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17 lines
477 B
LLVM
17 lines
477 B
LLVM
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; RUN: opt -S -instcombine %s | FileCheck %s
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define float @foo(float %x) nounwind readnone ssp {
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entry:
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; CHECK-NOT: fpext
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; CHECK-NOT: sqrt(
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; CHECK: sqrtf(
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; CHECK-NOT: fptrunc
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%conv = fpext float %x to double ; <double> [#uses=1]
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%call = tail call double @sqrt(double %conv) nounwind ; <double> [#uses=1]
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%conv1 = fptrunc double %call to float ; <float> [#uses=1]
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; CHECK: ret float
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ret float %conv1
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}
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declare double @sqrt(double) readnone
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