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45 lines
1.6 KiB
LLVM
45 lines
1.6 KiB
LLVM
; RUN: opt -S -reassociate < %s | FileCheck %s
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define void @main(float, float) {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: wrapper_entry:
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; CHECK-NEXT: [[TMP2:%.*]] = fsub float undef, %0
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; CHECK-NEXT: [[TMP3:%.*]] = fsub float undef, %1
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; CHECK-NEXT: [[TMP4:%.*]] = call float @llvm.rsqrt.f32(float undef)
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; CHECK-NEXT: [[REASS_ADD2:%.*]] = fadd fast float [[TMP3]], [[TMP2]]
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; CHECK-NEXT: [[REASS_MUL3:%.*]] = fmul fast float [[REASS_ADD2]], undef
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; CHECK-NEXT: [[REASS_ADD1:%.*]] = fadd fast float [[REASS_MUL3]], fmul (float undef, float undef)
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; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD1]], [[TMP4]]
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; CHECK-NEXT: [[TMP5:%.*]] = call float @foo2(float [[REASS_MUL]], float 0.000000e+00)
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; CHECK-NEXT: [[MUL36:%.*]] = fmul fast float [[TMP5]], 1.500000e+00
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; CHECK-NEXT: call void @foo1(i32 4, float [[MUL36]])
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; CHECK-NEXT: ret void
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;
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wrapper_entry:
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%2 = fsub float undef, %0
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%3 = fsub float undef, %1
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%4 = call float @llvm.rsqrt.f32(float undef)
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%5 = fmul fast float undef, %4
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%6 = fmul fast float %2, %4
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%7 = fmul fast float %3, %4
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%8 = fmul fast float %5, undef
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%9 = fmul fast float %6, undef
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%10 = fmul fast float %7, undef
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%11 = fadd fast float %8, %9
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%12 = fadd fast float %11, %10
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%13 = call float @foo2(float %12, float 0.000000e+00)
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%mul36 = fmul fast float %13, 1.500000e+00
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call void @foo1(i32 4, float %mul36)
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ret void
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}
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declare void @foo1(i32, float)
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declare float @foo2(float, float) #1
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declare float @llvm.rsqrt.f32(float) #1
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attributes #0 = { argmemonly nounwind }
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attributes #1 = { nounwind readnone }
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