528 lines
19 KiB
LLVM
528 lines
19 KiB
LLVM
; 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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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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declare void @use(ptr)
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declare i1 @cond()
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define void @test_monotonic_ptr_iv_inc_1_eq_to_uge(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_eq_to_uge(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[START:%.*]], i16 10
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i32, ptr %start, i16 10
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_1_upper_is_multiple_1(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_multiple_1(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 15
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i8, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i8, ptr %start, i16 15
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i8, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_1_upper_is_multiple_2(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_multiple_2(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 16
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i16, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i8, ptr %start, i16 16
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i16, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_upper_is_not_multiple_1(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_upper_is_not_multiple_1(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 15
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i8, ptr %start, i16 15
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_upper_is_not_multiple_2(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_upper_is_not_multiple_2(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 15
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i8, ptr %start, i16 15
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_1_upper_is_multiple_with_early_exit_1(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_multiple_with_early_exit_1(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 10
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
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; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
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; CHECK: loop.next:
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i8, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i8, ptr %start, i16 10
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%c.1 = call i1 @cond()
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br i1 %c.1, label %loop.next, label %exit
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loop.next:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i8, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_1_upper_is_multiple_with_early_exit_2(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_multiple_with_early_exit_2(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 10
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
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; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
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; CHECK: loop.next:
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i16, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i8, ptr %start, i16 10
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%c.1 = call i1 @cond()
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br i1 %c.1, label %loop.next, label %exit
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loop.next:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i16, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_1_upper_is_multiple_with_early_exit_3(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_multiple_with_early_exit_3(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i16, ptr [[START:%.*]], i16 16
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
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; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
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; CHECK: loop.next:
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; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
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; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
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; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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loop.ph:
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%upper = getelementptr inbounds i16, ptr %start, i16 16
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br label %loop.header
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loop.header:
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%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
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%c = icmp eq ptr %ptr.iv, %upper
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br i1 %c, label %exit, label %for.body
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for.body:
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%c.1 = call i1 @cond()
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br i1 %c.1, label %loop.next, label %exit
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loop.next:
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%t.1 = icmp uge ptr %ptr.iv, %start
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%t.2 = icmp ult ptr %ptr.iv, %upper
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%and = and i1 %t.1, %t.2
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br i1 %and, label %loop.latch, label %exit
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loop.latch:
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call void @use(ptr %ptr.iv)
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%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
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br label %loop.header
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exit:
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ret void
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}
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define void @test_monotonic_ptr_iv_inc_1_upper_is_no_multiple_with_early_exit_1(ptr %start) {
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; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_no_multiple_with_early_exit_1(
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; CHECK-NEXT: loop.ph:
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; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 10
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
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; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
|
|
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
|
|
; CHECK: loop.next:
|
|
; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
|
|
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
|
|
; CHECK: loop.latch:
|
|
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
|
|
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
|
|
; CHECK-NEXT: br label [[LOOP_HEADER]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
loop.ph:
|
|
%upper = getelementptr inbounds i8, ptr %start, i16 10
|
|
br label %loop.header
|
|
|
|
loop.header:
|
|
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
|
|
%c = icmp eq ptr %ptr.iv, %upper
|
|
br i1 %c, label %exit, label %for.body
|
|
|
|
for.body:
|
|
%c.1 = call i1 @cond()
|
|
br i1 %c.1, label %loop.next, label %exit
|
|
|
|
loop.next:
|
|
%t.1 = icmp uge ptr %ptr.iv, %start
|
|
%t.2 = icmp ult ptr %ptr.iv, %upper
|
|
%and = and i1 %t.1, %t.2
|
|
br i1 %and, label %loop.latch, label %exit
|
|
|
|
loop.latch:
|
|
call void @use(ptr %ptr.iv)
|
|
%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
|
|
br label %loop.header
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @test_monotonic_ptr_iv_inc_1_upper_is_no_multiple_with_early_exit_2(ptr %start) {
|
|
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_no_multiple_with_early_exit_2(
|
|
; CHECK-NEXT: loop.ph:
|
|
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i8, ptr [[START:%.*]], i16 11
|
|
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
|
|
; CHECK: loop.header:
|
|
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
|
|
; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
|
|
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
|
|
; CHECK: loop.next:
|
|
; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
|
|
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
|
|
; CHECK: loop.latch:
|
|
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
|
|
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i16, ptr [[PTR_IV]], i16 1
|
|
; CHECK-NEXT: br label [[LOOP_HEADER]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
loop.ph:
|
|
%upper = getelementptr inbounds i8, ptr %start, i16 11
|
|
br label %loop.header
|
|
|
|
loop.header:
|
|
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
|
|
%c = icmp eq ptr %ptr.iv, %upper
|
|
br i1 %c, label %exit, label %for.body
|
|
|
|
for.body:
|
|
%c.1 = call i1 @cond()
|
|
br i1 %c.1, label %loop.next, label %exit
|
|
|
|
loop.next:
|
|
%t.1 = icmp uge ptr %ptr.iv, %start
|
|
%t.2 = icmp ult ptr %ptr.iv, %upper
|
|
%and = and i1 %t.1, %t.2
|
|
br i1 %and, label %loop.latch, label %exit
|
|
|
|
loop.latch:
|
|
call void @use(ptr %ptr.iv)
|
|
%ptr.iv.next = getelementptr inbounds i16, ptr %ptr.iv, i16 1
|
|
br label %loop.header
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @test_monotonic_ptr_iv_inc_1_upper_is_no_multiple_with_early_exit_3(ptr %start) {
|
|
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_upper_is_no_multiple_with_early_exit_3(
|
|
; CHECK-NEXT: loop.ph:
|
|
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i16, ptr [[START:%.*]], i16 9
|
|
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
|
|
; CHECK: loop.header:
|
|
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH:%.*]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
|
|
; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
|
|
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
|
|
; CHECK: loop.next:
|
|
; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
|
|
; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
|
|
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
|
|
; CHECK: loop.latch:
|
|
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
|
|
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
|
|
; CHECK-NEXT: br label [[LOOP_HEADER]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
loop.ph:
|
|
%upper = getelementptr inbounds i16, ptr %start, i16 9
|
|
br label %loop.header
|
|
|
|
loop.header:
|
|
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
|
|
%c = icmp eq ptr %ptr.iv, %upper
|
|
br i1 %c, label %exit, label %for.body
|
|
|
|
for.body:
|
|
%c.1 = call i1 @cond()
|
|
br i1 %c.1, label %loop.next, label %exit
|
|
|
|
loop.next:
|
|
%t.1 = icmp uge ptr %ptr.iv, %start
|
|
%t.2 = icmp ult ptr %ptr.iv, %upper
|
|
%and = and i1 %t.1, %t.2
|
|
br i1 %and, label %loop.latch, label %exit
|
|
|
|
loop.latch:
|
|
call void @use(ptr %ptr.iv)
|
|
%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
|
|
br label %loop.header
|
|
|
|
exit:
|
|
ret void
|
|
}
|