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avoid turning -0.0 + 0.0 -> -0.0 which is incorrect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46499 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
360 B
LLVM
16 lines
360 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 0.0 | count 1
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declare double @abs(double)
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define double @test(double %X) {
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%Y = add double %X, 0.0 ;; Should be a single add x, 0.0
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%Z = add double %Y, 0.0
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ret double %Z
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}
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define double @test1(double %X) {
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%Y = call double @abs(double %X)
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%Z = add double %Y, 0.0
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ret double %Z
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}
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