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1f386c4ce1
Usually we wouldn't do this anyway because llvm_fenv_testexcept would return an exception, but we have seen some cases where neither errno nor fenv detect an exception on arm-linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114893 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
433 B
LLVM
20 lines
433 B
LLVM
; RUN: opt -instcombine -S < %s | FileCheck %s
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; This shouldn't fold, because sin(inf) is invalid.
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; CHECK: @foo
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; CHECK: %t = call double @sin(double 0x7FF0000000000000)
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define double @foo() {
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%t = call double @sin(double 0x7FF0000000000000)
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ret double %t
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}
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; This should fold.
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; CHECK: @bar
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; CHECK: ret double 0.0
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define double @bar() {
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%t = call double @sin(double 0.0)
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ret double %t
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}
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declare double @sin(double)
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