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a5c875d940
Fixes the crasher in PR25651 and related crashers using the same pattern. llvm-svn: 254145
25 lines
526 B
LLVM
25 lines
526 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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define float @mytan(float %x) #0 {
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entry:
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%call = call float @atanf(float %x)
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%call1 = call float @tanf(float %call)
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ret float %call1
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}
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; CHECK-LABEL: define float @mytan(
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; CHECK: ret float %x
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define float @test2(float ()* %fptr) #0 {
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%call1 = call float %fptr()
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%tan = call float @tanf(float %call1)
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ret float %tan
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}
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; CHECK-LABEL: @test2
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; CHECK: tanf
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declare float @tanf(float) #0
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declare float @atanf(float) #0
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attributes #0 = { "unsafe-fp-math"="true" }
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