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llvm-6502/test/CodeGen/X86/pr13577.ll
T
Matthias Braun 21910d8bd5 Revert "LegalizeDAG: Fix and improve FCOPYSIGN/FABS legalization"
Accidental commit, needs review first.

This reverts commit r242107.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242108 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-14 02:09:57 +00:00

24 lines
618 B
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
; CHECK-LABEL: LCPI0_0:
; CHECK-NEXT: .long 4286578688
; CHECK-LABEL: LCPI0_1:
; CHECK-NEXT: .long 2139095040
; CHECK-LABEL: foo:
; CHECK: movq {{.*}}, %rax
; CHECK: shlq $48, %rax
; CHECK: sets %al
; CHECK: testb %al, %al
; CHECK: flds LCPI0_0(%rip)
; CHECK: flds LCPI0_1(%rip)
; CHECK: fcmovne %st(1), %st(0)
; CHECK: fstp %st(1)
; CHECK: retq
define x86_fp80 @foo(x86_fp80 %a) {
%1 = tail call x86_fp80 @copysignl(x86_fp80 0xK7FFF8000000000000000, x86_fp80 %a) nounwind readnone
ret x86_fp80 %1
}
declare x86_fp80 @copysignl(x86_fp80, x86_fp80) nounwind readnone