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1 |
| -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse2 | FileCheck %s |
| 1 | +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | +; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=CHECK,X86,X86-X87 |
| 3 | +; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,X86,X86-SSE |
| 4 | +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,X64 |
| 5 | + |
2 | 6 | ; Ideally this would compile to 5 multiplies.
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3 | 7 |
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4 | 8 | define double @pow_wrapper(double %a) nounwind readonly ssp noredzone {
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5 |
| -; CHECK-LABEL: pow_wrapper: |
6 |
| -; CHECK: # %bb.0: |
7 |
| -; CHECK-NEXT: movapd %xmm0, %xmm1 |
8 |
| -; CHECK-NEXT: mulsd %xmm0, %xmm1 |
9 |
| -; CHECK-NEXT: mulsd %xmm1, %xmm0 |
10 |
| -; CHECK-NEXT: mulsd %xmm1, %xmm1 |
11 |
| -; CHECK-NEXT: mulsd %xmm1, %xmm0 |
12 |
| -; CHECK-NEXT: mulsd %xmm1, %xmm1 |
13 |
| -; CHECK-NEXT: mulsd %xmm0, %xmm1 |
14 |
| -; CHECK-NEXT: movapd %xmm1, %xmm0 |
15 |
| -; CHECK-NEXT: retq |
| 9 | +; X86-X87-LABEL: pow_wrapper: |
| 10 | +; X86-X87: # %bb.0: |
| 11 | +; X86-X87-NEXT: fldl {{[0-9]+}}(%esp) |
| 12 | +; X86-X87-NEXT: fld %st(0) |
| 13 | +; X86-X87-NEXT: fmul %st(1), %st |
| 14 | +; X86-X87-NEXT: fmul %st, %st(1) |
| 15 | +; X86-X87-NEXT: fmul %st, %st(0) |
| 16 | +; X86-X87-NEXT: fmul %st, %st(1) |
| 17 | +; X86-X87-NEXT: fmul %st, %st(0) |
| 18 | +; X86-X87-NEXT: fmulp %st, %st(1) |
| 19 | +; X86-X87-NEXT: retl |
| 20 | +; |
| 21 | +; X86-SSE-LABEL: pow_wrapper: |
| 22 | +; X86-SSE: # %bb.0: |
| 23 | +; X86-SSE-NEXT: pushl %ebp |
| 24 | +; X86-SSE-NEXT: movl %esp, %ebp |
| 25 | +; X86-SSE-NEXT: andl $-8, %esp |
| 26 | +; X86-SSE-NEXT: subl $8, %esp |
| 27 | +; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| 28 | +; X86-SSE-NEXT: movapd %xmm0, %xmm1 |
| 29 | +; X86-SSE-NEXT: mulsd %xmm0, %xmm1 |
| 30 | +; X86-SSE-NEXT: mulsd %xmm1, %xmm0 |
| 31 | +; X86-SSE-NEXT: mulsd %xmm1, %xmm1 |
| 32 | +; X86-SSE-NEXT: mulsd %xmm1, %xmm0 |
| 33 | +; X86-SSE-NEXT: mulsd %xmm1, %xmm1 |
| 34 | +; X86-SSE-NEXT: mulsd %xmm0, %xmm1 |
| 35 | +; X86-SSE-NEXT: movsd %xmm1, (%esp) |
| 36 | +; X86-SSE-NEXT: fldl (%esp) |
| 37 | +; X86-SSE-NEXT: movl %ebp, %esp |
| 38 | +; X86-SSE-NEXT: popl %ebp |
| 39 | +; X86-SSE-NEXT: retl |
| 40 | +; |
| 41 | +; X64-LABEL: pow_wrapper: |
| 42 | +; X64: # %bb.0: |
| 43 | +; X64-NEXT: movapd %xmm0, %xmm1 |
| 44 | +; X64-NEXT: mulsd %xmm0, %xmm1 |
| 45 | +; X64-NEXT: mulsd %xmm1, %xmm0 |
| 46 | +; X64-NEXT: mulsd %xmm1, %xmm1 |
| 47 | +; X64-NEXT: mulsd %xmm1, %xmm0 |
| 48 | +; X64-NEXT: mulsd %xmm1, %xmm1 |
| 49 | +; X64-NEXT: mulsd %xmm0, %xmm1 |
| 50 | +; X64-NEXT: movapd %xmm1, %xmm0 |
| 51 | +; X64-NEXT: retq |
16 | 52 | %ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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17 | 53 | ret double %ret
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18 | 54 | }
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19 | 55 |
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20 | 56 | define double @pow_wrapper_optsize(double %a) optsize {
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21 |
| -; CHECK-LABEL: pow_wrapper_optsize: |
22 |
| -; CHECK: # %bb.0: |
23 |
| -; CHECK-NEXT: movl $15, %edi |
24 |
| -; CHECK-NEXT: jmp |
| 57 | +; X86-X87-LABEL: pow_wrapper_optsize: |
| 58 | +; X86-X87: # %bb.0: |
| 59 | +; X86-X87-NEXT: subl $12, %esp |
| 60 | +; X86-X87-NEXT: .cfi_def_cfa_offset 16 |
| 61 | +; X86-X87-NEXT: fldl {{[0-9]+}}(%esp) |
| 62 | +; X86-X87-NEXT: fstpl (%esp) |
| 63 | +; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp) |
| 64 | +; X86-X87-NEXT: calll __powidf2 |
| 65 | +; X86-X87-NEXT: addl $12, %esp |
| 66 | +; X86-X87-NEXT: .cfi_def_cfa_offset 4 |
| 67 | +; X86-X87-NEXT: retl |
| 68 | +; |
| 69 | +; X86-SSE-LABEL: pow_wrapper_optsize: |
| 70 | +; X86-SSE: # %bb.0: |
| 71 | +; X86-SSE-NEXT: subl $12, %esp |
| 72 | +; X86-SSE-NEXT: .cfi_def_cfa_offset 16 |
| 73 | +; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| 74 | +; X86-SSE-NEXT: movsd %xmm0, (%esp) |
| 75 | +; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp) |
| 76 | +; X86-SSE-NEXT: calll __powidf2 |
| 77 | +; X86-SSE-NEXT: addl $12, %esp |
| 78 | +; X86-SSE-NEXT: .cfi_def_cfa_offset 4 |
| 79 | +; X86-SSE-NEXT: retl |
| 80 | +; |
| 81 | +; X64-LABEL: pow_wrapper_optsize: |
| 82 | +; X64: # %bb.0: |
| 83 | +; X64-NEXT: movl $15, %edi |
| 84 | +; X64-NEXT: jmp __powidf2 # TAILCALL |
25 | 85 | %ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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26 | 86 | ret double %ret
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27 | 87 | }
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28 | 88 |
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29 | 89 | define double @pow_wrapper_minsize(double %a) minsize {
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30 |
| -; CHECK-LABEL: pow_wrapper_minsize: |
31 |
| -; CHECK: # %bb.0: |
32 |
| -; CHECK-NEXT: pushq $15 |
33 |
| -; CHECK: popq %rdi |
34 |
| -; CHECK: jmp |
| 90 | +; X86-X87-LABEL: pow_wrapper_minsize: |
| 91 | +; X86-X87: # %bb.0: |
| 92 | +; X86-X87-NEXT: subl $12, %esp |
| 93 | +; X86-X87-NEXT: .cfi_def_cfa_offset 16 |
| 94 | +; X86-X87-NEXT: fldl {{[0-9]+}}(%esp) |
| 95 | +; X86-X87-NEXT: fstpl (%esp) |
| 96 | +; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp) |
| 97 | +; X86-X87-NEXT: calll __powidf2 |
| 98 | +; X86-X87-NEXT: addl $12, %esp |
| 99 | +; X86-X87-NEXT: .cfi_def_cfa_offset 4 |
| 100 | +; X86-X87-NEXT: retl |
| 101 | +; |
| 102 | +; X86-SSE-LABEL: pow_wrapper_minsize: |
| 103 | +; X86-SSE: # %bb.0: |
| 104 | +; X86-SSE-NEXT: subl $12, %esp |
| 105 | +; X86-SSE-NEXT: .cfi_def_cfa_offset 16 |
| 106 | +; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| 107 | +; X86-SSE-NEXT: movsd %xmm0, (%esp) |
| 108 | +; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp) |
| 109 | +; X86-SSE-NEXT: calll __powidf2 |
| 110 | +; X86-SSE-NEXT: addl $12, %esp |
| 111 | +; X86-SSE-NEXT: .cfi_def_cfa_offset 4 |
| 112 | +; X86-SSE-NEXT: retl |
| 113 | +; |
| 114 | +; X64-LABEL: pow_wrapper_minsize: |
| 115 | +; X64: # %bb.0: |
| 116 | +; X64-NEXT: pushq $15 |
| 117 | +; X64-NEXT: .cfi_adjust_cfa_offset 8 |
| 118 | +; X64-NEXT: popq %rdi |
| 119 | +; X64-NEXT: .cfi_adjust_cfa_offset -8 |
| 120 | +; X64-NEXT: jmp __powidf2 # TAILCALL |
35 | 121 | %ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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36 | 122 | ret double %ret
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37 | 123 | }
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