50 lines
1.5 KiB
LLVM
50 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 | FileCheck %s
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; RUN: llc < %s -fast-isel -mtriple=i686-- -mattr=+sse2 | FileCheck --check-prefix=SSE2 %s
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define double @doo(double %x) nounwind {
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; CHECK-LABEL: doo:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero
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; CHECK-NEXT: subsd %xmm0, %xmm1
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; CHECK-NEXT: movapd %xmm1, %xmm0
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; CHECK-NEXT: retq
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;
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; SSE2-LABEL: doo:
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; SSE2: # %bb.0:
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; SSE2-NEXT: pushl %ebp
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; SSE2-NEXT: movl %esp, %ebp
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; SSE2-NEXT: andl $-8, %esp
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; SSE2-NEXT: subl $8, %esp
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; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; SSE2-NEXT: xorps {{\.LCPI.*}}, %xmm0
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; SSE2-NEXT: movlps %xmm0, (%esp)
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; SSE2-NEXT: fldl (%esp)
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; SSE2-NEXT: movl %ebp, %esp
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; SSE2-NEXT: popl %ebp
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; SSE2-NEXT: retl
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%y = fsub double -0.0, %x
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ret double %y
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}
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define float @foo(float %x) nounwind {
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; CHECK-LABEL: foo:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; CHECK-NEXT: subss %xmm0, %xmm1
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; CHECK-NEXT: movaps %xmm1, %xmm0
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; CHECK-NEXT: retq
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;
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; SSE2-LABEL: foo:
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; SSE2: # %bb.0:
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; SSE2-NEXT: pushl %eax
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; SSE2-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; SSE2-NEXT: xorps {{\.LCPI.*}}, %xmm0
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; SSE2-NEXT: movss %xmm0, (%esp)
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; SSE2-NEXT: flds (%esp)
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; SSE2-NEXT: popl %eax
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; SSE2-NEXT: retl
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%y = fsub float -0.0, %x
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ret float %y
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}
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