1530 lines
44 KiB
LLVM
1530 lines
44 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
|
|
; These should be InstSimplify checks, but most of the code
|
|
; is currently only in InstCombine. TODO: move supporting code
|
|
|
|
declare void @use(i8)
|
|
declare void @use_vec(<2 x i8>)
|
|
|
|
; Definitely out of range
|
|
define i1 @test_nonzero(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_nonzero(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%val = load i32, ptr %arg, !range !0
|
|
%rval = icmp ne i32 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
define i1 @test_nonzero2(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_nonzero2(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%val = load i32, ptr %arg, !range !0
|
|
%rval = icmp eq i32 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Potentially in range
|
|
define i1 @test_nonzero3(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_nonzero3(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG0:![0-9]+]]
|
|
; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 0
|
|
; CHECK-NEXT: ret i1 [[RVAL]]
|
|
;
|
|
; Check that this does not trigger - it wouldn't be legal
|
|
%val = load i32, ptr %arg, !range !1
|
|
%rval = icmp ne i32 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Definitely in range
|
|
define i1 @test_nonzero4(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_nonzero4(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%val = load i8, ptr %arg, !range !2
|
|
%rval = icmp ne i8 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
define i1 @test_nonzero5(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_nonzero5(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%val = load i8, ptr %arg, !range !2
|
|
%rval = icmp ugt i8 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Cheaper checks (most values in range meet requirements)
|
|
define i1 @test_nonzero6(ptr %argw) {
|
|
; CHECK-LABEL: @test_nonzero6(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i8, ptr [[ARGW:%.*]], align 1, !range [[RNG1:![0-9]+]]
|
|
; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i8 [[VAL]], 0
|
|
; CHECK-NEXT: ret i1 [[RVAL]]
|
|
;
|
|
%val = load i8, ptr %argw, !range !3
|
|
%rval = icmp sgt i8 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Constant not in range, should return true.
|
|
define i1 @test_not_in_range(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_not_in_range(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%val = load i32, ptr %arg, !range !0
|
|
%rval = icmp ne i32 %val, 6
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Constant in range, can not fold.
|
|
define i1 @test_in_range(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_in_range(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG2:![0-9]+]]
|
|
; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 3
|
|
; CHECK-NEXT: ret i1 [[RVAL]]
|
|
;
|
|
%val = load i32, ptr %arg, !range !0
|
|
%rval = icmp ne i32 %val, 3
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values in range greater than constant.
|
|
define i1 @test_range_sgt_constant(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_range_sgt_constant(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%val = load i32, ptr %arg, !range !0
|
|
%rval = icmp sgt i32 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values in range less than constant.
|
|
define i1 @test_range_slt_constant(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_range_slt_constant(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%val = load i32, ptr %arg, !range !0
|
|
%rval = icmp sgt i32 %val, 6
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values in union of multiple sub ranges not equal to constant.
|
|
define i1 @test_multi_range1(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_multi_range1(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%val = load i32, ptr %arg, !range !4
|
|
%rval = icmp ne i32 %val, 0
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values in multiple sub ranges not equal to constant, but in
|
|
; union of sub ranges could possibly equal to constant. This
|
|
; in theory could also be folded and might be implemented in
|
|
; the future if shown profitable in practice.
|
|
define i1 @test_multi_range2(ptr nocapture readonly %arg) {
|
|
; CHECK-LABEL: @test_multi_range2(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG3:![0-9]+]]
|
|
; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 7
|
|
; CHECK-NEXT: ret i1 [[RVAL]]
|
|
;
|
|
%val = load i32, ptr %arg, !range !4
|
|
%rval = icmp ne i32 %val, 7
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values' ranges overlap each other, so it can not be simplified.
|
|
define i1 @test_two_ranges(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) {
|
|
; CHECK-LABEL: @test_two_ranges(
|
|
; CHECK-NEXT: [[VAL1:%.*]] = load i32, ptr [[ARG1:%.*]], align 4, !range [[RNG4:![0-9]+]]
|
|
; CHECK-NEXT: [[VAL2:%.*]] = load i32, ptr [[ARG2:%.*]], align 4, !range [[RNG5:![0-9]+]]
|
|
; CHECK-NEXT: [[RVAL:%.*]] = icmp ult i32 [[VAL2]], [[VAL1]]
|
|
; CHECK-NEXT: ret i1 [[RVAL]]
|
|
;
|
|
%val1 = load i32, ptr %arg1, !range !5
|
|
%val2 = load i32, ptr %arg2, !range !6
|
|
%rval = icmp ult i32 %val2, %val1
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values' ranges do not overlap each other, so it can simplified to false.
|
|
define i1 @test_two_ranges2(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) {
|
|
; CHECK-LABEL: @test_two_ranges2(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%val1 = load i32, ptr %arg1, !range !0
|
|
%val2 = load i32, ptr %arg2, !range !6
|
|
%rval = icmp ult i32 %val2, %val1
|
|
ret i1 %rval
|
|
}
|
|
|
|
; Values' ranges do not overlap each other, so it can simplified to true.
|
|
define i1 @test_two_ranges3(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) {
|
|
; CHECK-LABEL: @test_two_ranges3(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%val1 = load i32, ptr %arg1, !range !0
|
|
%val2 = load i32, ptr %arg2, !range !6
|
|
%rval = icmp ugt i32 %val2, %val1
|
|
ret i1 %rval
|
|
}
|
|
|
|
define i1 @ugt_zext(i1 %b, i8 %x) {
|
|
; CHECK-LABEL: @ugt_zext(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], 0
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
%r = icmp ugt i8 %z, %x
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @ult_zext(<2 x i1> %b, <2 x i8> %p) {
|
|
; CHECK-LABEL: @ult_zext(
|
|
; CHECK-NEXT: [[X:%.*]] = mul <2 x i8> [[P:%.*]], [[P]]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], zeroinitializer
|
|
; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%x = mul <2 x i8> %p, %p ; thwart complexity-based canonicalization
|
|
%z = zext <2 x i1> %b to <2 x i8>
|
|
%r = icmp ult <2 x i8> %x, %z
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
; negative test - need ult/ugt
|
|
|
|
define i1 @uge_zext(i1 %b, i8 %x) {
|
|
; CHECK-LABEL: @uge_zext(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[Z]], [[X:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
%r = icmp uge i8 %z, %x
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - need ult/ugt
|
|
|
|
define i1 @ule_zext(i1 %b, i8 %p) {
|
|
; CHECK-LABEL: @ule_zext(
|
|
; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]]
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[X]], [[Z]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%x = mul i8 %p, %p ; thwart complexity-based canonicalization
|
|
%z = zext i1 %b to i8
|
|
%r = icmp ule i8 %x, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - extra use
|
|
|
|
define i1 @ugt_zext_use(i1 %b, i8 %x) {
|
|
; CHECK-LABEL: @ugt_zext_use(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[Z]])
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[Z]], [[X:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
call void @use(i8 %z)
|
|
%r = icmp ugt i8 %z, %x
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - must be zext of i1
|
|
|
|
define i1 @ult_zext_not_i1(i2 %b, i8 %x) {
|
|
; CHECK-LABEL: @ult_zext_not_i1(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i2 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[Z]], [[X:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i2 %b to i8
|
|
%r = icmp ult i8 %x, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
; sub is eliminated
|
|
|
|
define i1 @sub_ult_zext(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ult_zext(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
%s = sub i8 %x, %y
|
|
%r = icmp ult i8 %s, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @zext_ult_zext(i1 %b, i8 %p) {
|
|
; CHECK-LABEL: @zext_ult_zext(
|
|
; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X]], 0
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%x = mul i8 %p, %p ; thwart complexity-based canonicalization
|
|
%z = zext i1 %b to i16
|
|
%zx = zext i8 %x to i16
|
|
%r = icmp ult i16 %zx, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
; match and fold even if both sides are zexts (from different source types)
|
|
|
|
define i1 @zext_ugt_zext(i1 %b, i4 %x) {
|
|
; CHECK-LABEL: @zext_ugt_zext(
|
|
; CHECK-NEXT: [[ZX:%.*]] = zext i4 [[X:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[ZX]])
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i4 [[X]], 0
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
%zx = zext i4 %x to i8
|
|
call void @use(i8 %zx)
|
|
%r = icmp ugt i8 %z, %zx
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - must be zext of i1
|
|
|
|
define i1 @sub_ult_zext_not_i1(i2 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ult_zext_not_i1(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i2 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i2 %b to i8
|
|
%s = sub i8 %x, %y
|
|
%r = icmp ult i8 %s, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - extra use (but we could try harder to fold this)
|
|
|
|
define i1 @sub_ult_zext_use1(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ult_zext_use1(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[Z]])
|
|
; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
call void @use(i8 %z)
|
|
%s = sub i8 %x, %y
|
|
%r = icmp ult i8 %s, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @zext_ugt_sub_use2(<2 x i1> %b, <2 x i8> %x, <2 x i8> %y) {
|
|
; CHECK-LABEL: @zext_ugt_sub_use2(
|
|
; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: call void @use_vec(<2 x i8> [[S]])
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], [[Y]]
|
|
; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%z = zext <2 x i1> %b to <2 x i8>
|
|
%s = sub <2 x i8> %x, %y
|
|
call void @use_vec(<2 x i8> %s)
|
|
%r = icmp ugt <2 x i8> %z, %s
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @sub_ult_zext_use3(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ult_zext_use3(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[Z]])
|
|
; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: call void @use(i8 [[S]])
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
call void @use(i8 %z)
|
|
%s = sub i8 %x, %y
|
|
call void @use(i8 %s)
|
|
%r = icmp ult i8 %s, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @sub_ule_zext(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ule_zext(
|
|
; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[S]], [[Z]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%z = zext i1 %b to i8
|
|
%s = sub i8 %x, %y
|
|
%r = icmp ule i8 %s, %z
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @sub_ult_and(<2 x i8> %b, <2 x i8> %x, <2 x i8> %y) {
|
|
; CHECK-LABEL: @sub_ult_and(
|
|
; CHECK-NEXT: [[A:%.*]] = and <2 x i8> [[B:%.*]], <i8 1, i8 1>
|
|
; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ult <2 x i8> [[S]], [[A]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%a = and <2 x i8> %b, <i8 1, i8 1>
|
|
%s = sub <2 x i8> %x, %y
|
|
%r = icmp ult <2 x i8> %s, %a
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @and_ugt_sub(i8 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @and_ugt_sub(
|
|
; CHECK-NEXT: [[A:%.*]] = and i8 [[B:%.*]], 1
|
|
; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[A]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%a = and i8 %b, 1
|
|
%s = sub i8 %x, %y
|
|
%r = icmp ugt i8 %a, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
; Repeat the zext set of tests with a sext instead.
|
|
|
|
define i1 @uge_sext(i1 %b, i8 %x) {
|
|
; CHECK-LABEL: @uge_sext(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], 0
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
%r = icmp uge i8 %s, %x
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @ule_sext(<2 x i1> %b, <2 x i8> %p) {
|
|
; CHECK-LABEL: @ule_sext(
|
|
; CHECK-NEXT: [[X:%.*]] = mul <2 x i8> [[P:%.*]], [[P]]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], zeroinitializer
|
|
; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%x = mul <2 x i8> %p, %p ; thwart complexity-based canonicalization
|
|
%s = sext <2 x i1> %b to <2 x i8>
|
|
%r = icmp ule <2 x i8> %x, %s
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
; negative test - need ule/uge
|
|
|
|
define i1 @ugt_sext(i1 %b, i8 %x) {
|
|
; CHECK-LABEL: @ugt_sext(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[S]], [[X:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
%r = icmp ugt i8 %s, %x
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - need ule/uge
|
|
|
|
define i1 @ult_sext(i1 %b, i8 %p) {
|
|
; CHECK-LABEL: @ult_sext(
|
|
; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]]
|
|
; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%x = mul i8 %p, %p ; thwart complexity-based canonicalization
|
|
%s = sext i1 %b to i8
|
|
%r = icmp ult i8 %x, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - extra use
|
|
|
|
define i1 @uge_sext_use(i1 %b, i8 %x) {
|
|
; CHECK-LABEL: @uge_sext_use(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[S]])
|
|
; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[S]], [[X:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
call void @use(i8 %s)
|
|
%r = icmp uge i8 %s, %x
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - must be sext of i1
|
|
|
|
define i1 @ule_sext_not_i1(i2 %b, i8 %x) {
|
|
; CHECK-LABEL: @ule_sext_not_i1(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i2 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[S]], [[X:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i2 %b to i8
|
|
%r = icmp ule i8 %x, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
; sub is eliminated
|
|
|
|
define i1 @sub_ule_sext(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ule_sext(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
%d = sub i8 %x, %y
|
|
%r = icmp ule i8 %d, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @sext_ule_sext(i1 %b, i8 %p) {
|
|
; CHECK-LABEL: @sext_ule_sext(
|
|
; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X]], 0
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%x = mul i8 %p, %p ; thwart complexity-based canonicalization
|
|
%s = sext i1 %b to i16
|
|
%sx = sext i8 %x to i16
|
|
%r = icmp ule i16 %sx, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
; match and fold even if both sides are sexts (from different source types)
|
|
|
|
define i1 @sext_uge_sext(i1 %b, i4 %x) {
|
|
; CHECK-LABEL: @sext_uge_sext(
|
|
; CHECK-NEXT: [[SX:%.*]] = sext i4 [[X:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[SX]])
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i4 [[X]], 0
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
%sx = sext i4 %x to i8
|
|
call void @use(i8 %sx)
|
|
%r = icmp uge i8 %s, %sx
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - must be sext of i1
|
|
|
|
define i1 @sub_ule_sext_not_i1(i2 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ule_sext_not_i1(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i2 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i2 %b to i8
|
|
%d = sub i8 %x, %y
|
|
%r = icmp ule i8 %d, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
; negative test - extra use (but we could try harder to fold this)
|
|
|
|
define i1 @sub_ule_sext_use1(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ule_sext_use1(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[S]])
|
|
; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
call void @use(i8 %s)
|
|
%d = sub i8 %x, %y
|
|
%r = icmp ule i8 %d, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @sext_uge_sub_use2(<2 x i1> %b, <2 x i8> %x, <2 x i8> %y) {
|
|
; CHECK-LABEL: @sext_uge_sub_use2(
|
|
; CHECK-NEXT: [[D:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: call void @use_vec(<2 x i8> [[D]])
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], [[Y]]
|
|
; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%s = sext <2 x i1> %b to <2 x i8>
|
|
%d = sub <2 x i8> %x, %y
|
|
call void @use_vec(<2 x i8> %d)
|
|
%r = icmp uge <2 x i8> %s, %d
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @sub_ule_sext_use3(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ule_sext_use3(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: call void @use(i8 [[S]])
|
|
; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: call void @use(i8 [[D]])
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
call void @use(i8 %s)
|
|
%d = sub i8 %x, %y
|
|
call void @use(i8 %d)
|
|
%r = icmp ule i8 %d, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @sub_ult_sext(i1 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @sub_ult_sext(
|
|
; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[D]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%s = sext i1 %b to i8
|
|
%d = sub i8 %x, %y
|
|
%r = icmp ult i8 %d, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @sub_ule_ashr(<2 x i8> %b, <2 x i8> %x, <2 x i8> %y) {
|
|
; CHECK-LABEL: @sub_ule_ashr(
|
|
; CHECK-NEXT: [[A:%.*]] = ashr <2 x i8> [[B:%.*]], <i8 7, i8 7>
|
|
; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp ule <2 x i8> [[S]], [[A]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%a = ashr <2 x i8> %b, <i8 7, i8 7>
|
|
%s = sub <2 x i8> %x, %y
|
|
%r = icmp ule <2 x i8> %s, %a
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @ashr_uge_sub(i8 %b, i8 %x, i8 %y) {
|
|
; CHECK-LABEL: @ashr_uge_sub(
|
|
; CHECK-NEXT: [[A:%.*]] = ashr i8 [[B:%.*]], 7
|
|
; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[A]], [[S]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%a = ashr i8 %b, 7
|
|
%s = sub i8 %x, %y
|
|
%r = icmp uge i8 %a, %s
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s< -1 --> false
|
|
|
|
define i1 @zext_sext_add_icmp_slt_minus1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_minus1(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp slt i8 %add, -1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s> 1 --> false
|
|
|
|
define i1 @zext_sext_add_icmp_sgt_1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_sgt_1(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp sgt i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s> -2 --> true
|
|
|
|
define i1 @zext_sext_add_icmp_sgt_minus2(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_sgt_minus2(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp sgt i8 %add, -2
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s< 2 --> true
|
|
|
|
define i1 @zext_sext_add_icmp_slt_2(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_2(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp slt i8 %add, 2
|
|
ret i1 %r
|
|
}
|
|
|
|
; test case with i128
|
|
|
|
define i1 @zext_sext_add_icmp_i128(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_i128(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%zext.a = zext i1 %a to i128
|
|
%sext.b = sext i1 %b to i128
|
|
%add = add i128 %zext.a, %sext.b
|
|
%r = icmp sgt i128 %add, 9223372036854775808
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) == -1 --> ~a & b
|
|
|
|
define i1 @zext_sext_add_icmp_eq_minus1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_eq_minus1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp eq i8 %add, -1
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
; (zext i1 a) + (sext i1 b)) != -1 --> a | ~b
|
|
|
|
define i1 @zext_sext_add_icmp_ne_minus1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_ne_minus1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp ne i8 %add, -1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s> -1 --> a | ~b
|
|
|
|
define i1 @zext_sext_add_icmp_sgt_minus1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_sgt_minus1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp sgt i8 %add, -1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) u< -1 --> a | ~b
|
|
|
|
define i1 @zext_sext_add_icmp_ult_minus1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_ult_minus1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp ult i8 %add, -1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s> 0 --> a & ~b
|
|
|
|
define i1 @zext_sext_add_icmp_sgt_0(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_sgt_0(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp sgt i8 %add, 0
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s< 0 --> ~a & b
|
|
|
|
define i1 @zext_sext_add_icmp_slt_0(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_0(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp slt i8 %add, 0
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) == 1 --> a & ~b
|
|
|
|
define i1 @zext_sext_add_icmp_eq_1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_eq_1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp eq i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) != 1 --> ~a | b
|
|
|
|
define i1 @zext_sext_add_icmp_ne_1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_ne_1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp ne i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) s< 1 --> ~a | b
|
|
|
|
define i1 @zext_sext_add_icmp_slt_1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp slt i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
; (zext i1 a) + (sext i1 b)) u> 1 --> ~a & b
|
|
|
|
define i1 @zext_sext_add_icmp_ugt_1(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_ugt_1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true
|
|
; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp ugt i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @vector_zext_sext_add_icmp_slt_1(<2 x i1> %a, <2 x i1> %b) {
|
|
; CHECK-LABEL: @vector_zext_sext_add_icmp_slt_1(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i1> [[A:%.*]], <i1 true, i1 true>
|
|
; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%zext.a = zext <2 x i1> %a to <2 x i8>
|
|
%sext.b = sext <2 x i1> %b to <2 x i8>
|
|
%add = add <2 x i8> %zext.a, %sext.b
|
|
%r = icmp slt <2 x i8> %add, <i8 1, i8 1>
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define <2 x i1> @vector_zext_sext_add_icmp_slt_1_poison(<2 x i1> %a, <2 x i1> %b) {
|
|
; CHECK-LABEL: @vector_zext_sext_add_icmp_slt_1_poison(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext <2 x i1> [[A:%.*]] to <2 x i8>
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext <2 x i1> [[B:%.*]] to <2 x i8>
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw <2 x i8> [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp slt <2 x i8> [[ADD]], <i8 1, i8 poison>
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%zext.a = zext <2 x i1> %a to <2 x i8>
|
|
%sext.b = sext <2 x i1> %b to <2 x i8>
|
|
%add = add <2 x i8> %zext.a, %sext.b
|
|
%r = icmp slt <2 x i8> %add, <i8 1, i8 poison>
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @zext_sext_add_icmp_slt_minus_1_no_oneuse(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_minus_1_no_oneuse(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: call void @use(i8 [[ADD]])
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
call void @use(i8 %add)
|
|
%r = icmp slt i8 %add, -1
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @zext_sext_add_icmp_sgt_1_no_oneuse(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_sgt_1_no_oneuse(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: call void @use(i8 [[ADD]])
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
call void @use(i8 %add)
|
|
%r = icmp sgt i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @zext_sext_add_icmp_slt_2_no_oneuse(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_2_no_oneuse(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: call void @use(i8 [[ADD]])
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
call void @use(i8 %add)
|
|
%r = icmp slt i8 %add, 2
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @zext_sext_add_icmp_sgt_mins_2_no_oneuse(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_sgt_mins_2_no_oneuse(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: call void @use(i8 [[ADD]])
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
call void @use(i8 %add)
|
|
%r = icmp sgt i8 %add, -2
|
|
ret i1 %r
|
|
}
|
|
|
|
; Negative test, more than one use for icmp LHS
|
|
|
|
define i1 @zext_sext_add_icmp_slt_1_no_oneuse(i1 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_1_no_oneuse(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: call void @use(i8 [[ADD]])
|
|
; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], 1
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
call void @use(i8 %add)
|
|
%r = icmp slt i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
; Negative test, icmp RHS is not a constant
|
|
|
|
define i1 @zext_sext_add_icmp_slt_1_rhs_not_const(i1 %a, i1 %b, i8 %c) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_1_rhs_not_const(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], [[C:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i1 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp slt i8 %add, %c
|
|
ret i1 %r
|
|
}
|
|
|
|
; Negative test, ext source is not i1
|
|
|
|
define i1 @zext_sext_add_icmp_slt_1_type_not_i1(i2 %a, i1 %b) {
|
|
; CHECK-LABEL: @zext_sext_add_icmp_slt_1_type_not_i1(
|
|
; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i2 [[A:%.*]] to i8
|
|
; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]]
|
|
; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], 1
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%zext.a = zext i2 %a to i8
|
|
%sext.b = sext i1 %b to i8
|
|
%add = add i8 %zext.a, %sext.b
|
|
%r = icmp slt i8 %add, 1
|
|
ret i1 %r
|
|
}
|
|
|
|
define i1 @icmp_eq_bool_0(ptr %ptr) {
|
|
; CHECK-LABEL: @icmp_eq_bool_0(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6:![0-9]+]]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2}
|
|
%cmp = icmp eq i64 %val, 0
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define i1 @icmp_eq_bool_1(ptr %ptr) {
|
|
; CHECK-LABEL: @icmp_eq_bool_1(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[VAL]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2}
|
|
%cmp = icmp eq i64 %val, 1
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define i1 @icmp_ne_bool_0(ptr %ptr) {
|
|
; CHECK-LABEL: @icmp_ne_bool_0(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[VAL]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2}
|
|
%cmp = icmp ne i64 %val, 0
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define i1 @icmp_ne_bool_1(ptr %ptr) {
|
|
; CHECK-LABEL: @icmp_ne_bool_1(
|
|
; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]]
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2}
|
|
%cmp = icmp ne i64 %val, 1
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; Tests from PR65073
|
|
define i1 @icmp_ne_zext_eq_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_eq_zero(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%cmp = icmp eq i32 %a, 0
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_zext_ne_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_ne_zero(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[A:%.*]], 1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 0
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_zext_eq_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_zext_eq_zero(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%cmp = icmp eq i32 %a, 0
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_zext_ne_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_zext_ne_zero(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[A:%.*]], 2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 0
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_zext_eq_one(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_eq_one(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[A:%.*]], 1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, 1
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_zext_ne_one(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_ne_one(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%cmp = icmp ne i32 %a, 1
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_zext_eq_one(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_zext_eq_one(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[A:%.*]], 2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, 1
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_zext_ne_one(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_zext_ne_one(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%cmp = icmp ne i32 %a, 1
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_zext_eq_non_boolean(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_eq_non_boolean(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, 2
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_zext_ne_non_boolean(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_ne_non_boolean(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 2
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_zext_eq_non_boolean(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_zext_eq_non_boolean(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, 2
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_zext_ne_non_boolean(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_zext_ne_non_boolean(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 2
|
|
%conv = zext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_zext_eq_zero_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_eq_zero_vec(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%cmp = icmp eq <2 x i32> %a, <i32 0, i32 0>
|
|
%conv = zext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_zext_ne_zero_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_ne_zero_vec(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i32> [[A:%.*]], <i32 1, i32 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP1]]
|
|
;
|
|
%cmp = icmp ne <2 x i32> %a, <i32 0, i32 0>
|
|
%conv = zext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_zext_eq_one_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_eq_one_vec(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i32> [[A:%.*]], <i32 1, i32 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP1]]
|
|
;
|
|
%cmp = icmp eq <2 x i32> %a, <i32 1, i32 1>
|
|
%conv = zext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_zext_ne_one_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_ne_one_vec(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%cmp = icmp ne <2 x i32> %a, <i32 1, i32 1>
|
|
%conv = zext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_zext_eq_non_boolean_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_zext_eq_non_boolean_vec(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP1]]
|
|
;
|
|
%cmp = icmp eq <2 x i32> %a, <i32 2, i32 2>
|
|
%conv = zext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_eq_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_eq_zero(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%cmp = icmp eq i32 %a, 0
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_ne_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_zero(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], -2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 0
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_sext_eq_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_sext_eq_zero(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%cmp = icmp eq i32 %a, 0
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_sext_ne_zero(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_sext_ne_zero(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], 1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], 2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 0
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_eq_allones(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_eq_allones(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], -2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, -1
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_ne_allones(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_allones(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%cmp = icmp ne i32 %a, -1
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_sext_eq_allones(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_sext_eq_allones(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], 1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], 2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, -1
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_sext_ne_allones(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_sext_ne_allones(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%cmp = icmp ne i32 %a, -1
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_eq_otherwise(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_eq_otherwise(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, 2
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_ne_otherwise(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_otherwise(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 2
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_sext_eq_otherwise(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_sext_eq_otherwise(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp eq i32 %a, 2
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_eq_sext_ne_otherwise(i32 %a) {
|
|
; CHECK-LABEL: @icmp_eq_sext_ne_otherwise(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 2
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp eq i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_sext_eq_zero_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_eq_zero_vec(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%cmp = icmp eq <2 x i32> %a, <i32 0, i32 0>
|
|
%conv = sext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_sext_ne_zero_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_zero_vec(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[A:%.*]], <i32 -1, i32 -1>
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[TMP1]], <i32 -2, i32 -2>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP1]]
|
|
;
|
|
%cmp = icmp ne <2 x i32> %a, <i32 0, i32 0>
|
|
%conv = sext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_sext_eq_allones_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_eq_allones_vec(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[A:%.*]], <i32 -1, i32 -1>
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[TMP1]], <i32 -2, i32 -2>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP1]]
|
|
;
|
|
%cmp = icmp eq <2 x i32> %a, <i32 -1, i32 -1>
|
|
%conv = sext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_sext_ne_allones_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_allones_vec(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%cmp = icmp ne <2 x i32> %a, <i32 -1, i32 -1>
|
|
%conv = sext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define <2 x i1> @icmp_ne_sext_eq_otherwise_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_eq_otherwise_vec(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP1]]
|
|
;
|
|
%cmp = icmp eq <2 x i32> %a, <i32 2, i32 2>
|
|
%conv = sext <2 x i1> %cmp to <2 x i32>
|
|
%cmp1 = icmp ne <2 x i32> %conv, %a
|
|
ret <2 x i1> %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_ne_zero_i128(i128 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_zero_i128(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add i128 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i128 [[TMP1]], -2
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i128 %a, 0
|
|
%conv = sext i1 %cmp to i128
|
|
%cmp1 = icmp ne i128 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_ne_otherwise_i128(i128 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_ne_otherwise_i128(
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i128 [[A:%.*]], -1
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i128 %a, 2
|
|
%conv = sext i1 %cmp to i128
|
|
%cmp1 = icmp ne i128 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
; Negative tests with non-equality predicates
|
|
define i1 @icmp_ne_sext_sgt_zero_nofold(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_sgt_zero_nofold(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[A:%.*]], 0
|
|
; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]]
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp sgt i32 %a, 0
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_slt_sext_ne_zero_nofold(i32 %a) {
|
|
; CHECK-LABEL: @icmp_slt_sext_ne_zero_nofold(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], 0
|
|
; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]]
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 0
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp slt i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_slt_allones_nofold(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_slt_allones_nofold(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]]
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp slt i32 %a, -1
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_slt_sext_ne_allones_nofold(i32 %a) {
|
|
; CHECK-LABEL: @icmp_slt_sext_ne_allones_nofold(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]]
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, -1
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp slt i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_ne_sext_slt_otherwise_nofold(i32 %a) {
|
|
; CHECK-LABEL: @icmp_ne_sext_slt_otherwise_nofold(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A:%.*]], 2
|
|
; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]]
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp slt i32 %a, 2
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp ne i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
define i1 @icmp_slt_sext_ne_otherwise_nofold(i32 %a) {
|
|
; CHECK-LABEL: @icmp_slt_sext_ne_otherwise_nofold(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], 2
|
|
; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]]
|
|
; CHECK-NEXT: ret i1 [[CMP1]]
|
|
;
|
|
%cmp = icmp ne i32 %a, 2
|
|
%conv = sext i1 %cmp to i32
|
|
%cmp1 = icmp slt i32 %conv, %a
|
|
ret i1 %cmp1
|
|
}
|
|
|
|
; tests from PR59555
|
|
define i1 @isFloat(i64 %0) {
|
|
; CHECK-LABEL: @isFloat(
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt i64 [[TMP0:%.*]], 281474976710655
|
|
; CHECK-NEXT: [[TMP3:%.*]] = and i64 [[TMP0]], -281474976710656
|
|
; CHECK-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 281474976710656
|
|
; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP2]], [[TMP4]]
|
|
; CHECK-NEXT: ret i1 [[TMP5]]
|
|
;
|
|
%2 = icmp ugt i64 %0, 281474976710655
|
|
%3 = and i64 %0, -281474976710656
|
|
%4 = icmp ne i64 %3, 281474976710656
|
|
%5 = and i1 %2, %4
|
|
ret i1 %5
|
|
}
|
|
|
|
!0 = !{i32 1, i32 6}
|
|
!1 = !{i32 0, i32 6}
|
|
!2 = !{i8 0, i8 1}
|
|
!3 = !{i8 0, i8 6}
|
|
!4 = !{i32 1, i32 6, i32 8, i32 10}
|
|
!5 = !{i32 5, i32 10}
|
|
!6 = !{i32 8, i32 16}
|