2015-07-14 10:08:23 +08:00
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; RUN: llc < %s -march=x86-64 | FileCheck %s
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2012-08-12 07:47:06 +08:00
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2015-07-14 10:08:23 +08:00
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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: movq {{.*}}, %rax
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2015-07-14 10:09:57 +08:00
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; CHECK: shlq $48, %rax
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; CHECK: sets %al
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; CHECK: testb %al, %al
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2015-07-14 10:08:23 +08:00
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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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2012-08-12 07:47:06 +08:00
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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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