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The bug was introduced with changes for x86-64 fp128: http://reviews.llvm.org/rL254653 I don't know why an x86 change is here, so I'll follow up in: http://reviews.llvm.org/D15134 Should fix: https://llvm.org/bugs/show_bug.cgi?id=26070 llvm-svn: 257200
37 lines
866 B
LLVM
37 lines
866 B
LLVM
; RUN: llc < %s -mtriple=x86_64-darwin | FileCheck %s
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; CHECK-LABEL: LCPI0_0:
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; CHECK-NEXT: .long 4286578688
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; CHECK-LABEL: LCPI0_1:
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; CHECK-NEXT: .long 2139095040
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; CHECK-LABEL: foo:
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; CHECK: testb $-128, -15(%rsp)
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; CHECK: flds LCPI0_0(%rip)
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; CHECK: flds LCPI0_1(%rip)
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; CHECK: fcmovne %st(1), %st(0)
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; CHECK: fstp %st(1)
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; CHECK: retq
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define x86_fp80 @foo(x86_fp80 %a) {
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%1 = tail call x86_fp80 @copysignl(x86_fp80 0xK7FFF8000000000000000, x86_fp80 %a) nounwind readnone
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ret x86_fp80 %1
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}
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declare x86_fp80 @copysignl(x86_fp80, x86_fp80) nounwind readnone
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; This would crash:
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; https://llvm.org/bugs/show_bug.cgi?id=26070
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define float @pr26070() {
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%c = call float @copysignf(float 1.0, float undef) readnone
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ret float %c
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; CHECK-LABEL: pr26070:
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; CHECK: andps
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; CHECK-NEXT: orps
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; CHECK-NEXT: retq
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}
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declare float @copysignf(float, float)
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