forked from OSchip/llvm-project
39 lines
1.2 KiB
LLVM
39 lines
1.2 KiB
LLVM
; RUN: opt -S -reassociate < %s | FileCheck %s
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define void @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[T1:%.*]] = tail call <4 x float> @blam()
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; CHECK-NEXT: [[T1_NEG:%.*]] = fsub fast <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, [[T1]]
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; CHECK-NEXT: [[T24:%.*]] = fadd fast <4 x float> [[T1_NEG]], fadd (<4 x float> undef, <4 x float> undef)
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; CHECK-NEXT: tail call void @wombat(<4 x float> [[T24]])
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; CHECK-NEXT: ret void
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;
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%t1 = tail call <4 x float> @blam()
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%t23 = fsub fast <4 x float> undef, %t1
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%t24 = fadd fast <4 x float> %t23, undef
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tail call void @wombat(<4 x float> %t24)
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ret void
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}
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define half @test2() {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[T15:%.*]] = fsub fast half undef, undef
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; CHECK-NEXT: [[T15_NEG:%.*]] = fsub fast half 0xH8000, [[T15]]
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; CHECK-NEXT: [[T18:%.*]] = fadd fast half [[T15_NEG]], fadd (half undef, half undef)
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; CHECK-NEXT: ret half [[T18]]
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;
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%t15 = fsub fast half undef, undef
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%t17 = fsub fast half undef, %t15
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%t18 = fadd fast half undef, %t17
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ret half %t18
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}
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; Function Attrs: optsize
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declare <4 x float> @blam()
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; Function Attrs: optsize
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declare void @wombat(<4 x float>)
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