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| 1 | +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
1 | 2 | ; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 | FileCheck %s
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2 | 3 | ; RUN: llc < %s -fast-isel -mtriple=i686-- -mattr=+sse2 | FileCheck --check-prefix=SSE2 %s
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3 | 4 |
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4 |
| -; SSE2: xor |
5 |
| -; SSE2: xor |
6 |
| -; SSE2-NOT: xor |
7 |
| - |
8 |
| -; CHECK-LABEL: doo: |
9 |
| -; CHECK: xor |
10 | 5 | define double @doo(double %x) nounwind {
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| 6 | +; CHECK-LABEL: doo: |
| 7 | +; CHECK: ## %bb.0: |
| 8 | +; CHECK-NEXT: movq %xmm0, %rax |
| 9 | +; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000 |
| 10 | +; CHECK-NEXT: xorq %rax, %rcx |
| 11 | +; CHECK-NEXT: movq %rcx, %xmm0 |
| 12 | +; CHECK-NEXT: retq |
| 13 | +; |
| 14 | +; SSE2-LABEL: doo: |
| 15 | +; SSE2: # %bb.0: |
| 16 | +; SSE2-NEXT: pushl %ebp |
| 17 | +; SSE2-NEXT: movl %esp, %ebp |
| 18 | +; SSE2-NEXT: andl $-8, %esp |
| 19 | +; SSE2-NEXT: subl $8, %esp |
| 20 | +; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| 21 | +; SSE2-NEXT: xorps {{\.LCPI.*}}, %xmm0 |
| 22 | +; SSE2-NEXT: movlps %xmm0, (%esp) |
| 23 | +; SSE2-NEXT: fldl (%esp) |
| 24 | +; SSE2-NEXT: movl %ebp, %esp |
| 25 | +; SSE2-NEXT: popl %ebp |
| 26 | +; SSE2-NEXT: retl |
11 | 27 | %y = fsub double -0.0, %x
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12 | 28 | ret double %y
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13 | 29 | }
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14 | 30 |
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15 |
| -; CHECK-LABEL: foo: |
16 |
| -; CHECK: xor |
17 | 31 | define float @foo(float %x) nounwind {
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| 32 | +; CHECK-LABEL: foo: |
| 33 | +; CHECK: ## %bb.0: |
| 34 | +; CHECK-NEXT: movd %xmm0, %eax |
| 35 | +; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000 |
| 36 | +; CHECK-NEXT: movd %eax, %xmm0 |
| 37 | +; CHECK-NEXT: retq |
| 38 | +; |
| 39 | +; SSE2-LABEL: foo: |
| 40 | +; SSE2: # %bb.0: |
| 41 | +; SSE2-NEXT: pushl %eax |
| 42 | +; SSE2-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| 43 | +; SSE2-NEXT: xorps {{\.LCPI.*}}, %xmm0 |
| 44 | +; SSE2-NEXT: movss %xmm0, (%esp) |
| 45 | +; SSE2-NEXT: flds (%esp) |
| 46 | +; SSE2-NEXT: popl %eax |
| 47 | +; SSE2-NEXT: retl |
18 | 48 | %y = fsub float -0.0, %x
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19 | 49 | ret float %y
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20 | 50 | }
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