1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=X64
; Make sure none of these crash, and that the power-of-two transformations
; trigger correctly.
define i128 @test1(i128 %x) nounwind {
; X86-LABEL: test1:
; X86: # %bb.0:
; X86-NEXT: pushl %ebp
; X86-NEXT: movl %esp, %ebp
; X86-NEXT: pushl %edi
; X86-NEXT: pushl %esi
; X86-NEXT: andl $-16, %esp
; X86-NEXT: movl 8(%ebp), %eax
; X86-NEXT: movl 36(%ebp), %ecx
; X86-NEXT: movl %ecx, %esi
; X86-NEXT: sarl $31, %esi
; X86-NEXT: movl %esi, %edx
; X86-NEXT: shrl $30, %edx
; X86-NEXT: movl 24(%ebp), %edi
; X86-NEXT: addl %esi, %edi
; X86-NEXT: adcl 28(%ebp), %esi
; X86-NEXT: adcl 32(%ebp), %edx
; X86-NEXT: adcl $0, %ecx
; X86-NEXT: shrdl $2, %ecx, %edx
; X86-NEXT: movl %ecx, %esi
; X86-NEXT: sarl $2, %esi
; X86-NEXT: sarl $31, %ecx
; X86-NEXT: movl %ecx, 12(%eax)
; X86-NEXT: movl %ecx, 8(%eax)
; X86-NEXT: movl %esi, 4(%eax)
; X86-NEXT: movl %edx, (%eax)
; X86-NEXT: leal -8(%ebp), %esp
; X86-NEXT: popl %esi
; X86-NEXT: popl %edi
; X86-NEXT: popl %ebp
; X86-NEXT: retl $4
;
; X64-LABEL: test1:
; X64: # %bb.0:
; X64-NEXT: movq %rsi, %rax
; X64-NEXT: sarq $63, %rax
; X64-NEXT: movq %rax, %rdx
; X64-NEXT: shrq $62, %rdx
; X64-NEXT: addq %rdi, %rax
; X64-NEXT: adcq %rsi, %rdx
; X64-NEXT: movq %rdx, %rax
; X64-NEXT: sarq $2, %rax
; X64-NEXT: sarq $63, %rdx
; X64-NEXT: retq
%tmp = sdiv i128 %x, 73786976294838206464
ret i128 %tmp
}
define i128 @test2(i128 %x) nounwind {
; X86-LABEL: test2:
; X86: # %bb.0:
; X86-NEXT: pushl %ebp
; X86-NEXT: movl %esp, %ebp
; X86-NEXT: pushl %ebx
; X86-NEXT: pushl %edi
; X86-NEXT: pushl %esi
; X86-NEXT: andl $-16, %esp
; X86-NEXT: subl $16, %esp
; X86-NEXT: movl 36(%ebp), %eax
; X86-NEXT: movl %eax, %edx
; X86-NEXT: sarl $31, %edx
; X86-NEXT: movl %edx, %ecx
; X86-NEXT: shrl $30, %ecx
; X86-NEXT: movl 24(%ebp), %esi
; X86-NEXT: addl %edx, %esi
; X86-NEXT: adcl 28(%ebp), %edx
; X86-NEXT: adcl 32(%ebp), %ecx
; X86-NEXT: adcl $0, %eax
; X86-NEXT: shrdl $2, %eax, %ecx
; X86-NEXT: movl %eax, %esi
; X86-NEXT: sarl $31, %esi
; X86-NEXT: sarl $2, %eax
; X86-NEXT: xorl %edx, %edx
; X86-NEXT: negl %ecx
; X86-NEXT: movl $0, %edi
; X86-NEXT: sbbl %eax, %edi
; X86-NEXT: movl $0, %ebx
; X86-NEXT: sbbl %esi, %ebx
; X86-NEXT: sbbl %esi, %edx
; X86-NEXT: movl 8(%ebp), %eax
; X86-NEXT: movl %ecx, (%eax)
; X86-NEXT: movl %edi, 4(%eax)
; X86-NEXT: movl %ebx, 8(%eax)
; X86-NEXT: movl %edx, 12(%eax)
; X86-NEXT: leal -12(%ebp), %esp
; X86-NEXT: popl %esi
; X86-NEXT: popl %edi
; X86-NEXT: popl %ebx
; X86-NEXT: popl %ebp
; X86-NEXT: retl $4
;
; X64-LABEL: test2:
; X64: # %bb.0:
; X64-NEXT: movq %rsi, %rcx
; X64-NEXT: sarq $63, %rcx
; X64-NEXT: movq %rcx, %rax
; X64-NEXT: shrq $62, %rax
; X64-NEXT: addq %rdi, %rcx
; X64-NEXT: adcq %rsi, %rax
; X64-NEXT: movq %rax, %rcx
; X64-NEXT: sarq $63, %rcx
; X64-NEXT: sarq $2, %rax
; X64-NEXT: xorl %edx, %edx
; X64-NEXT: negq %rax
; X64-NEXT: sbbq %rcx, %rdx
; X64-NEXT: retq
%tmp = sdiv i128 %x, -73786976294838206464
ret i128 %tmp
}
define i128 @test3(i128 %x) nounwind {
; X86-LABEL: test3:
; X86 doesn't have __divti3, so the urem is expanded into a loop.
; X86: udiv-do-while
;
; X64-LABEL: test3:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: movq $-3, %rdx
; X64-NEXT: movq $-5, %rcx
; X64-NEXT: callq __divti3@PLT
; X64-NEXT: popq %rcx
; X64-NEXT: retq
%tmp = sdiv i128 %x, -73786976294838206467
ret i128 %tmp
}
|