derek.holloway
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52 lines
1.8 KiB
LLVM
52 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
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define i1 @test_powi_even_exp(float %x) {
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; CHECK-LABEL: define i1 @test_powi_even_exp(
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; CHECK-SAME: float [[X:%.*]]) {
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; CHECK-NEXT: ret i1 false
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;
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%y = call float @llvm.powi.f32(float %x, i32 8)
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%cmp = fcmp olt float %y, 0.0
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ret i1 %cmp
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}
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define i1 @test_powi_base(float nofpclass(ninf nnorm nsub nzero) %x, i32 %e) {
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; CHECK-LABEL: define i1 @test_powi_base(
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; CHECK-SAME: float nofpclass(ninf nzero nsub nnorm) [[X:%.*]], i32 [[E:%.*]]) {
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; CHECK-NEXT: ret i1 false
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;
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%y = call float @llvm.powi.f32(float %x, i32 %e)
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%cmp = fcmp olt float %y, 0.0
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ret i1 %cmp
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}
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define i1 @test_powi_base_without_nsz(float nofpclass(ninf nnorm nsub) %x, i32 %e) {
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; CHECK-LABEL: define i1 @test_powi_base_without_nsz(
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; CHECK-SAME: float nofpclass(ninf nsub nnorm) [[X:%.*]], i32 [[E:%.*]]) {
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; CHECK-NEXT: [[Y:%.*]] = call float @llvm.powi.f32.i32(float [[X]], i32 [[E]])
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; CHECK-NEXT: [[CMP:%.*]] = fcmp olt float [[Y]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%y = call float @llvm.powi.f32(float %x, i32 %e)
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%cmp = fcmp olt float %y, 0.0
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ret i1 %cmp
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}
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define float @pr31702(float %x, i32 %n) {
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; CHECK-LABEL: define float @pr31702(
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; CHECK-SAME: float [[X:%.*]], i32 [[N:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL1:%.*]] = call float @llvm.powi.f32.i32(float -0.000000e+00, i32 [[N]])
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; CHECK-NEXT: [[CALL2:%.*]] = call float @llvm.fabs.f32(float [[CALL1]])
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; CHECK-NEXT: ret float [[CALL2]]
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;
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entry:
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%call1 = call float @llvm.powi.f32(float -0.0, i32 %n)
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%call2 = call float @llvm.fabs.f32(float %call1)
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ret float %call2
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}
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declare float @llvm.powi.f32(float, i32)
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declare float @llvm.fabs.f32(float)
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