1016 lines
36 KiB
LLVM
1016 lines
36 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
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declare void @use(i1)
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declare void @llvm.assume(i1)
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define void @slt_mul_nsw_3_known_positive_1(i8 %start, i8 %high) {
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; CHECK-LABEL: @slt_mul_nsw_3_known_positive_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
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; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
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; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: ret void
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; CHECK: else:
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; CHECK-NEXT: ret void
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;
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entry:
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%mul.3 = mul nsw i8 %start, 3
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%c.1 = icmp slt i8 %mul.3, %high
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%c.2 = icmp sgt i8 %start, 0
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%and = and i1 %c.1, %c.2
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br i1 %and, label %then, label %else
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then:
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%t.0 = icmp slt i8 %start, %high
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call void @use(i1 %t.0)
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%start.1 = mul nsw i8 %start, 1
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%t.1 = icmp slt i8 %start.1, %high
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call void @use(i1 %t.1)
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%start.2 = mul nsw i8 %start, 2
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%t.2 = icmp slt i8 %start.2, %high
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call void @use(i1 %t.2)
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%start.3 = mul nsw i8 %start, 3
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%t.3 = icmp slt i8 %start.3, %high
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call void @use(i1 %t.3)
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%start.4 = mul nsw i8 %start, 4
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%c.3 = icmp slt i8 %start.4, %high
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call void @use(i1 %c.3)
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ret void
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else:
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ret void
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}
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define void @slt_mul_nsw_3_known_positive_2(i8 %start, i8 %high) {
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; CHECK-LABEL: @slt_mul_nsw_3_known_positive_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
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; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: ret void
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; CHECK: else:
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; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
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; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
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; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
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; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_7]])
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; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
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; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_8]])
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; CHECK-NEXT: ret void
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;
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entry:
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%mul.3 = mul nsw i8 %start, 3
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%c.1 = icmp slt i8 %mul.3, %high
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%c.2 = icmp sgt i8 %start, 0
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%and = and i1 %c.1, %c.2
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br i1 %and, label %then, label %else
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then:
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ret void
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else:
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%c.4 = icmp slt i8 %start, %high
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call void @use(i1 %c.4)
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%else.start.1 = mul nsw i8 %start, 1
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%c.5 = icmp slt i8 %else.start.1, %high
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call void @use(i1 %c.5)
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%else.start.2 = mul nsw i8 %start, 2
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%c.6 = icmp slt i8 %else.start.2, %high
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call void @use(i1 %c.6)
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%else.start.3 = mul nsw i8 %start, 3
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%c.7 = icmp slt i8 %else.start.3, %high
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call void @use(i1 %c.7)
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%else.start.4 = mul nsw i8 %start, 4
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%c.8 = icmp slt i8 %else.start.4, %high
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call void @use(i1 %c.8)
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ret void
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}
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define void @slt_mul_no_nsw_3_known_positive_1(i8 %start, i8 %high) {
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; CHECK-LABEL: @slt_mul_no_nsw_3_known_positive_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL_3:%.*]] = mul i8 [[START:%.*]], 3
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
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; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
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; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START_1]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
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; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[START_2]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
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; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[START_3]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
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; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_7]])
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; CHECK-NEXT: ret void
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; CHECK: else:
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; CHECK-NEXT: ret void
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;
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entry:
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%mul.3 = mul i8 %start, 3
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%c.1 = icmp slt i8 %mul.3, %high
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%c.2 = icmp sgt i8 %start, 0
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%and = and i1 %c.1, %c.2
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br i1 %and, label %then, label %else
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then:
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%c.3 = icmp slt i8 %start, %high
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call void @use(i1 %c.3)
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%start.1 = mul nsw i8 %start, 1
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%c.4 = icmp slt i8 %start.1, %high
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call void @use(i1 %c.4)
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%start.2 = mul nsw i8 %start, 2
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%c.5 = icmp slt i8 %start.2, %high
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call void @use(i1 %c.5)
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%start.3 = mul nsw i8 %start, 3
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%c.6 = icmp slt i8 %start.3, %high
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call void @use(i1 %c.6)
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%start.4 = mul nsw i8 %start, 4
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%c.7 = icmp slt i8 %start.4, %high
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call void @use(i1 %c.7)
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ret void
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else:
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ret void
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}
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define void @slt_mul_no_nsw_3_known_positive_2(i8 %start, i8 %high) {
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; CHECK-LABEL: @slt_mul_no_nsw_3_known_positive_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL_3:%.*]] = mul i8 [[START:%.*]], 3
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
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; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: ret void
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; CHECK: else:
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; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[START]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_8]])
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; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
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; CHECK-NEXT: [[C_9:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_9]])
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; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
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; CHECK-NEXT: [[C_10:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_10]])
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; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
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; CHECK-NEXT: [[C_11:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_11]])
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; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
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; CHECK-NEXT: [[C_12:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_12]])
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; CHECK-NEXT: ret void
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;
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entry:
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%mul.3 = mul i8 %start, 3
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%c.1 = icmp slt i8 %mul.3, %high
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%c.2 = icmp sgt i8 %start, 0
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%and = and i1 %c.1, %c.2
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br i1 %and, label %then, label %else
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then:
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ret void
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else:
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%c.8 = icmp slt i8 %start, %high
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call void @use(i1 %c.8)
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%else.start.1 = mul nsw i8 %start, 1
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%c.9 = icmp slt i8 %else.start.1, %high
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call void @use(i1 %c.9)
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%else.start.2 = mul nsw i8 %start, 2
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%c.10 = icmp slt i8 %else.start.2, %high
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call void @use(i1 %c.10)
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%else.start.3 = mul nsw i8 %start, 3
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%c.11 = icmp slt i8 %else.start.3, %high
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call void @use(i1 %c.11)
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%else.start.4 = mul nsw i8 %start, 4
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%c.12 = icmp slt i8 %else.start.4, %high
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call void @use(i1 %c.12)
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ret void
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}
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define void @slt_mul_nsw_3_not_known_positive_1(i8 %start, i8 %high) {
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; CHECK-LABEL: @slt_mul_nsw_3_not_known_positive_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL_3:%.*]] = mul i8 [[START:%.*]], 3
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
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; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START_1]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
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; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[START_2]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
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; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[START_3]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
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; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_7]])
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; CHECK-NEXT: ret void
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; CHECK: else:
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; CHECK-NEXT: ret void
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;
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entry:
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%mul.3 = mul i8 %start, 3
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%c.1 = icmp slt i8 %mul.3, %high
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br i1 %c.1, label %then, label %else
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then:
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%c.3 = icmp slt i8 %start, %high
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call void @use(i1 %c.3)
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%start.1 = mul nsw i8 %start, 1
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%c.4 = icmp slt i8 %start.1, %high
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call void @use(i1 %c.4)
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%start.2 = mul nsw i8 %start, 2
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%c.5 = icmp slt i8 %start.2, %high
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call void @use(i1 %c.5)
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%start.3 = mul nsw i8 %start, 3
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%c.6 = icmp slt i8 %start.3, %high
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call void @use(i1 %c.6)
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%start.4 = mul nsw i8 %start, 4
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%c.7 = icmp slt i8 %start.4, %high
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call void @use(i1 %c.7)
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ret void
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else:
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ret void
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}
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define void @slt_mul_nsw_3_not_known_positive_2(i8 %start, i8 %high) {
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; CHECK-LABEL: @slt_mul_nsw_3_not_known_positive_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL_3:%.*]] = mul i8 [[START:%.*]], 3
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; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: ret void
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; CHECK: else:
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; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[START]], [[HIGH]]
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; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_9:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_9]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_10:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_10]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[C_11:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_11]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_12:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_12]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul i8 %start, 3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
br i1 %c.1, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.8 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
%else.start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.9 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.9)
|
||
|
|
%else.start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.10 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.10)
|
||
|
|
%else.start.3 = mul nsw i8 %start, 3
|
||
|
|
%c.11 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.11)
|
||
|
|
%else.start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.12 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.12)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_neg_3_known_negative_1(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_neg_3_known_negative_1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], -3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp slt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], -1
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], -2
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], -3
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], -4
|
||
|
|
; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, -3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp slt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
%t.0 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %t.0)
|
||
|
|
%start.1 = mul nsw i8 %start, -1
|
||
|
|
%t.1 = icmp slt i8 %start.1, %high
|
||
|
|
call void @use(i1 %t.1)
|
||
|
|
%start.2 = mul nsw i8 %start, -2
|
||
|
|
%t.2 = icmp slt i8 %start.2, %high
|
||
|
|
call void @use(i1 %t.2)
|
||
|
|
%start.3 = mul nsw i8 %start, -3
|
||
|
|
%t.3 = icmp slt i8 %start.3, %high
|
||
|
|
call void @use(i1 %t.3)
|
||
|
|
%start.4 = mul nsw i8 %start, -4
|
||
|
|
%c.3 = icmp slt i8 %start.4, %high
|
||
|
|
call void @use(i1 %c.3)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_neg_3_known_negative_2(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_neg_3_known_negative_2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], -3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp slt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], -1
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], -2
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], -3
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], -4
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, -3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp slt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.4 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%else.start.1 = mul nsw i8 %start, -1
|
||
|
|
%c.5 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%else.start.2 = mul nsw i8 %start, -2
|
||
|
|
%c.6 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.3 = mul nsw i8 %start, -3
|
||
|
|
%c.7 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.4 = mul nsw i8 %start, -4
|
||
|
|
%c.8 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_3_known_negative_1(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_3_known_negative_1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp slt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_3]])
|
||
|
|
; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, 3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp slt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
%c.3 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.3)
|
||
|
|
%start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.4 = icmp slt i8 %start.1, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.5 = icmp slt i8 %start.2, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%start.3 = mul nsw i8 %start, 3
|
||
|
|
%t.0 = icmp slt i8 %start.3, %high
|
||
|
|
call void @use(i1 %t.0)
|
||
|
|
%start.4 = mul nsw i8 %start, 4
|
||
|
|
%t.1 = icmp slt i8 %start.4, %high
|
||
|
|
call void @use(i1 %t.1)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_3_known_negative_2(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_3_known_negative_2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp slt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[C_9:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_9]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_10:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_10]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, 3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp slt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.6 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.7 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.8 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
%else.start.3 = mul nsw i8 %start, 3
|
||
|
|
%c.9 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.9)
|
||
|
|
%else.start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.10 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.10)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_neg_3_known_positive_1(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_neg_3_known_positive_1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], -3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_3]])
|
||
|
|
; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], -1
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], -2
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], -3
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], -4
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, -3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp sgt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
%c.3 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.3)
|
||
|
|
%start.1 = mul nsw i8 %start, -1
|
||
|
|
%c.4 = icmp slt i8 %start.1, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%start.2 = mul nsw i8 %start, -2
|
||
|
|
%c.5 = icmp slt i8 %start.2, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%start.3 = mul nsw i8 %start, -3
|
||
|
|
%t.0 = icmp slt i8 %start.3, %high
|
||
|
|
call void @use(i1 %t.0)
|
||
|
|
%start.4 = mul nsw i8 %start, -4
|
||
|
|
%t.1 = icmp slt i8 %start.4, %high
|
||
|
|
call void @use(i1 %t.1)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_neg_3_known_positive_2(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_neg_3_known_positive_2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], -3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], -1
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], -2
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], -3
|
||
|
|
; CHECK-NEXT: [[C_9:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_9]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], -4
|
||
|
|
; CHECK-NEXT: [[C_10:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_10]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, -3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp sgt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.6 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.1 = mul nsw i8 %start, -1
|
||
|
|
%c.7 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.2 = mul nsw i8 %start, -2
|
||
|
|
%c.8 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
%else.start.3 = mul nsw i8 %start, -3
|
||
|
|
%c.9 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.9)
|
||
|
|
%else.start.4 = mul nsw i8 %start, -4
|
||
|
|
%c.10 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.10)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_3_known_nonnegative_1(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_3_known_nonnegative_1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp sge i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: call void @use(i1 true)
|
||
|
|
; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, 3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp sge i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
%t.0 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %t.0)
|
||
|
|
%start.1 = mul nsw i8 %start, 1
|
||
|
|
%t.1 = icmp slt i8 %start.1, %high
|
||
|
|
call void @use(i1 %t.1)
|
||
|
|
%start.2 = mul nsw i8 %start, 2
|
||
|
|
%t.2 = icmp slt i8 %start.2, %high
|
||
|
|
call void @use(i1 %t.2)
|
||
|
|
%start.3 = mul nsw i8 %start, 3
|
||
|
|
%t.3 = icmp slt i8 %start.3, %high
|
||
|
|
call void @use(i1 %t.3)
|
||
|
|
%start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.3 = icmp slt i8 %start.4, %high
|
||
|
|
call void @use(i1 %c.3)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_3_known_nonnegative_2(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_3_known_nonnegative_2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp sge i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, 3
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp sge i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.4 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%else.start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.5 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%else.start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.6 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.3 = mul nsw i8 %start, 3
|
||
|
|
%c.7 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.8 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_both_var_non_negative_1(i8 %start, i8 %scale, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_both_var_non_negative_1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], [[SCALE:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[C3:%.*]] = icmp sgt i8 [[SCALE]], 0
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[C3]])
|
||
|
|
; CHECK-NEXT: [[C4:%.*]] = icmp sle i8 [[SCALE]], 3
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[C3]])
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: [[T_0:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_0]])
|
||
|
|
; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[T_1:%.*]] = icmp slt i8 [[START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_1]])
|
||
|
|
; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[T_2:%.*]] = icmp slt i8 [[START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_2]])
|
||
|
|
; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[T_3:%.*]] = icmp slt i8 [[START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_3]])
|
||
|
|
; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, %scale
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp sgt i8 %start, 0
|
||
|
|
%c3 = icmp sgt i8 %scale, 0
|
||
|
|
call void @llvm.assume(i1 %c3)
|
||
|
|
%c4 = icmp sle i8 %scale, 3
|
||
|
|
call void @llvm.assume(i1 %c3)
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
%t.0 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %t.0)
|
||
|
|
%start.1 = mul nsw i8 %start, 1
|
||
|
|
%t.1 = icmp slt i8 %start.1, %high
|
||
|
|
call void @use(i1 %t.1)
|
||
|
|
%start.2 = mul nsw i8 %start, 2
|
||
|
|
%t.2 = icmp slt i8 %start.2, %high
|
||
|
|
call void @use(i1 %t.2)
|
||
|
|
%start.3 = mul nsw i8 %start, 3
|
||
|
|
%t.3 = icmp slt i8 %start.3, %high
|
||
|
|
call void @use(i1 %t.3)
|
||
|
|
%start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.3 = icmp slt i8 %start.4, %high
|
||
|
|
call void @use(i1 %c.3)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.4 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%else.start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.5 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%else.start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.6 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.3 = mul nsw i8 %start, 3
|
||
|
|
%c.7 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.8 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slt_mul_nsw_both_var_non_negative_2(i8 %start, i8 %scale, i8 %high) {
|
||
|
|
; CHECK-LABEL: @slt_mul_nsw_both_var_non_negative_2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], [[SCALE:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp slt i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[C3:%.*]] = icmp sgt i8 [[SCALE]], 0
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[C3]])
|
||
|
|
; CHECK-NEXT: [[C4:%.*]] = icmp sle i8 [[SCALE]], 3
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 [[C3]])
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, %scale
|
||
|
|
%c.1 = icmp slt i8 %mul.3, %high
|
||
|
|
%c.2 = icmp sgt i8 %start, 0
|
||
|
|
%c3 = icmp sgt i8 %scale, 0
|
||
|
|
call void @llvm.assume(i1 %c3)
|
||
|
|
%c4 = icmp sle i8 %scale, 3
|
||
|
|
call void @llvm.assume(i1 %c3)
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.4 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%else.start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.5 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%else.start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.6 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.3 = mul nsw i8 %start, 3
|
||
|
|
%c.7 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.8 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @ult_mul_nsw_3_known_positive_1(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @ult_mul_nsw_3_known_positive_1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp ugt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_0]])
|
||
|
|
; CHECK-NEXT: [[START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8 [[START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_1]])
|
||
|
|
; CHECK-NEXT: [[START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i8 [[START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_2]])
|
||
|
|
; CHECK-NEXT: [[START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[T_3:%.*]] = icmp ult i8 [[START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[T_3]])
|
||
|
|
; CHECK-NEXT: [[START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_3:%.*]] = icmp slt i8 [[START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, 3
|
||
|
|
%c.1 = icmp ult i8 %mul.3, %high
|
||
|
|
%c.2 = icmp ugt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
%t.0 = icmp ult i8 %start, %high
|
||
|
|
call void @use(i1 %t.0)
|
||
|
|
%start.1 = mul nsw i8 %start, 1
|
||
|
|
%t.1 = icmp ult i8 %start.1, %high
|
||
|
|
call void @use(i1 %t.1)
|
||
|
|
%start.2 = mul nsw i8 %start, 2
|
||
|
|
%t.2 = icmp ult i8 %start.2, %high
|
||
|
|
call void @use(i1 %t.2)
|
||
|
|
%start.3 = mul nsw i8 %start, 3
|
||
|
|
%t.3 = icmp ult i8 %start.3, %high
|
||
|
|
call void @use(i1 %t.3)
|
||
|
|
%start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.3 = icmp slt i8 %start.4, %high
|
||
|
|
call void @use(i1 %c.3)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @ult_mul_nsw_3_known_positive_2(i8 %start, i8 %high) {
|
||
|
|
; CHECK-LABEL: @ult_mul_nsw_3_known_positive_2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[MUL_3:%.*]] = mul nsw i8 [[START:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8 [[MUL_3]], [[HIGH:%.*]]
|
||
|
|
; CHECK-NEXT: [[C_2:%.*]] = icmp ugt i8 [[START]], 0
|
||
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 [[C_1]], [[C_2]]
|
||
|
|
; CHECK-NEXT: br i1 [[AND]], label [[THEN:%.*]], label [[ELSE:%.*]]
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK: else:
|
||
|
|
; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_4]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_1:%.*]] = mul nsw i8 [[START]], 1
|
||
|
|
; CHECK-NEXT: [[C_5:%.*]] = icmp slt i8 [[ELSE_START_1]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_5]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_2:%.*]] = mul nsw i8 [[START]], 2
|
||
|
|
; CHECK-NEXT: [[C_6:%.*]] = icmp slt i8 [[ELSE_START_2]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_6]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_3:%.*]] = mul nsw i8 [[START]], 3
|
||
|
|
; CHECK-NEXT: [[C_7:%.*]] = icmp slt i8 [[ELSE_START_3]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_7]])
|
||
|
|
; CHECK-NEXT: [[ELSE_START_4:%.*]] = mul nsw i8 [[START]], 4
|
||
|
|
; CHECK-NEXT: [[C_8:%.*]] = icmp slt i8 [[ELSE_START_4]], [[HIGH]]
|
||
|
|
; CHECK-NEXT: call void @use(i1 [[C_8]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%mul.3 = mul nsw i8 %start, 3
|
||
|
|
%c.1 = icmp ult i8 %mul.3, %high
|
||
|
|
%c.2 = icmp ugt i8 %start, 0
|
||
|
|
%and = and i1 %c.1, %c.2
|
||
|
|
br i1 %and, label %then, label %else
|
||
|
|
|
||
|
|
then:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
else:
|
||
|
|
%c.4 = icmp slt i8 %start, %high
|
||
|
|
call void @use(i1 %c.4)
|
||
|
|
%else.start.1 = mul nsw i8 %start, 1
|
||
|
|
%c.5 = icmp slt i8 %else.start.1, %high
|
||
|
|
call void @use(i1 %c.5)
|
||
|
|
%else.start.2 = mul nsw i8 %start, 2
|
||
|
|
%c.6 = icmp slt i8 %else.start.2, %high
|
||
|
|
call void @use(i1 %c.6)
|
||
|
|
%else.start.3 = mul nsw i8 %start, 3
|
||
|
|
%c.7 = icmp slt i8 %else.start.3, %high
|
||
|
|
call void @use(i1 %c.7)
|
||
|
|
%else.start.4 = mul nsw i8 %start, 4
|
||
|
|
%c.8 = icmp slt i8 %else.start.4, %high
|
||
|
|
call void @use(i1 %c.8)
|
||
|
|
ret void
|
||
|
|
}
|