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* pow(x, 0.5) -> fabs(sqrt(x)) * pow(2.0, x) -> exp2(x) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188656 91177308-0d34-0410-b5e6-96231b3b80d8
13 lines
472 B
LLVM
13 lines
472 B
LLVM
; Test that the pow won't get simplified to sqrt(fabs) when they are not available.
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;
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; RUN: opt < %s -disable-simplify-libcalls -instcombine -S | FileCheck %s
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declare double @llvm.pow.f64(double %Val, double %Power)
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define double @test_simplify_unavailable(double %x) {
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; CHECK-LABEL: @test_simplify_unavailable(
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%retval = call double @llvm.pow.f64(double %x, double 0.5)
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; CHECK-NEXT: call double @llvm.pow.f64(double %x, double 5.000000e-01)
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ret double %retval
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}
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