65 lines
1.8 KiB
LLVM
65 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=X64
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; Make sure none of these crash, and that the power-of-two transformations
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; trigger correctly.
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define i128 @test1(i128 %x) nounwind {
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; X86-LABEL: test1:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: shrdl $2, %edx, %ecx
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; X86-NEXT: shrl $2, %edx
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; X86-NEXT: movl %edx, 4(%eax)
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; X86-NEXT: movl %ecx, (%eax)
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; X86-NEXT: movl $0, 12(%eax)
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; X86-NEXT: movl $0, 8(%eax)
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; X86-NEXT: retl $4
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;
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; X64-LABEL: test1:
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; X64: # %bb.0:
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; X64-NEXT: movq %rsi, %rax
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; X64-NEXT: shrq $2, %rax
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; X64-NEXT: xorl %edx, %edx
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; X64-NEXT: retq
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%tmp = udiv i128 %x, 73786976294838206464
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ret i128 %tmp
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}
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define i128 @test2(i128 %x) nounwind {
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; X86-LABEL: test2:
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; X86 doesn't have __divti3, so the urem is expanded into a loop.
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; X86: udiv-do-while
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;
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; X64-LABEL: test2:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: xorl %edx, %edx
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; X64-NEXT: movq $-4, %rcx
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; X64-NEXT: callq __udivti3@PLT
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; X64-NEXT: popq %rcx
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; X64-NEXT: retq
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%tmp = udiv i128 %x, -73786976294838206464
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ret i128 %tmp
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}
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define i128 @test3(i128 %x) nounwind {
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; X86-LABEL: test3:
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; X86 doesn't have __divti3, so the urem is expanded into a loop.
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; X86: udiv-do-while
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;
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; X64-LABEL: test3:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: movq $-3, %rdx
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; X64-NEXT: movq $-5, %rcx
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; X64-NEXT: callq __udivti3@PLT
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; X64-NEXT: popq %rcx
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; X64-NEXT: retq
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%tmp = udiv i128 %x, -73786976294838206467
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ret i128 %tmp
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}
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