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New test case. DAGCombiner should be able to fold -sin(-x)
in -enable-unsafe-fp-math mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37841 91177308-0d34-0410-b5e6-96231b3b80d8
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test/CodeGen/X86/negative-sin.ll
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test/CodeGen/X86/negative-sin.ll
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; RUN: llvm-as < %s | llc -enable-unsafe-fp-math -march=x86-64 | \
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; RUN: not egrep {addsd|subsd|xor}
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declare double @sin(double %f)
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define double @foo(double %e)
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{
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%f = sub double 0.0, %e
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%g = call double @sin(double %f)
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%h = sub double 0.0, %g
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ret double %h
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}
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