test/CodeGen/X86/mul128.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-unknown | FileCheck %s --check-prefix=X86

define i128 @foo(i128 %t, i128 %u) {
; X64-LABEL: foo:
; X64:       # %bb.0:
; X64-NEXT:    movq %rdx, %r8
; X64-NEXT:    movq %rdi, %rax
; X64-NEXT:    imulq %rdi, %rcx
; X64-NEXT:    mulq %rdx
; X64-NEXT:    addq %rcx, %rdx
; X64-NEXT:    imulq %rsi, %r8
; X64-NEXT:    addq %r8, %rdx
; X64-NEXT:    retq
;
; X86-LABEL: foo:
; X86:       # %bb.0:
; X86-NEXT:    pushl %ebp
; X86-NEXT:    .cfi_def_cfa_offset 8
; X86-NEXT:    .cfi_offset %ebp, -8
; X86-NEXT:    movl %esp, %ebp
; X86-NEXT:    .cfi_def_cfa_register %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:    .cfi_offset %esi, -20
; X86-NEXT:    .cfi_offset %edi, -16
; X86-NEXT:    .cfi_offset %ebx, -12
; X86-NEXT:    movl 32(%ebp), %ecx
; X86-NEXT:    movl 40(%ebp), %edi
; X86-NEXT:    movl 44(%ebp), %esi
; X86-NEXT:    imull %ecx, %esi
; X86-NEXT:    movl %edi, %eax
; X86-NEXT:    mull %ecx
; X86-NEXT:    movl %eax, (%esp) # 4-byte Spill
; X86-NEXT:    movl %edx, %ebx
; X86-NEXT:    addl %esi, %ebx
; X86-NEXT:    movl 36(%ebp), %eax
; X86-NEXT:    imull %edi, %eax
; X86-NEXT:    addl %eax, %ebx
; X86-NEXT:    movl 48(%ebp), %eax
; X86-NEXT:    movl %eax, %ecx
; X86-NEXT:    imull 28(%ebp), %ecx
; X86-NEXT:    movl 24(%ebp), %edi
; X86-NEXT:    mull %edi
; X86-NEXT:    addl %ecx, %edx
; X86-NEXT:    movl 52(%ebp), %esi
; X86-NEXT:    imull %edi, %esi
; X86-NEXT:    addl %edx, %esi
; X86-NEXT:    addl (%esp), %eax # 4-byte Folded Reload
; X86-NEXT:    movl %eax, (%esp) # 4-byte Spill
; X86-NEXT:    adcl %ebx, %esi
; X86-NEXT:    movl %edi, %eax
; X86-NEXT:    movl 40(%ebp), %ecx
; X86-NEXT:    mull %ecx
; X86-NEXT:    movl %edx, %ebx
; X86-NEXT:    movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; X86-NEXT:    movl 28(%ebp), %eax
; X86-NEXT:    mull %ecx
; X86-NEXT:    movl %edx, %edi
; X86-NEXT:    movl %eax, %ecx
; X86-NEXT:    addl %ebx, %ecx
; X86-NEXT:    adcl $0, %edi
; X86-NEXT:    movl 24(%ebp), %eax
; X86-NEXT:    mull 44(%ebp)
; X86-NEXT:    movl %edx, %ebx
; X86-NEXT:    addl %ecx, %eax
; X86-NEXT:    movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; X86-NEXT:    adcl %edi, %ebx
; X86-NEXT:    setb %cl
; X86-NEXT:    movl 28(%ebp), %eax
; X86-NEXT:    mull 44(%ebp)
; X86-NEXT:    addl %ebx, %eax
; X86-NEXT:    movzbl %cl, %ecx
; X86-NEXT:    adcl %ecx, %edx
; X86-NEXT:    addl (%esp), %eax # 4-byte Folded Reload
; X86-NEXT:    adcl %esi, %edx
; X86-NEXT:    movl 8(%ebp), %ecx
; X86-NEXT:    movl {{[-0-9]+}}(%e{{[sb]}}p), %esi # 4-byte Reload
; X86-NEXT:    movl %esi, 4(%ecx)
; X86-NEXT:    movl {{[-0-9]+}}(%e{{[sb]}}p), %esi # 4-byte Reload
; X86-NEXT:    movl %esi, (%ecx)
; X86-NEXT:    movl %eax, 8(%ecx)
; X86-NEXT:    movl %edx, 12(%ecx)
; X86-NEXT:    movl %ecx, %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:    .cfi_def_cfa %esp, 4
; X86-NEXT:    retl $4
  %k = mul i128 %t, %u
  ret i128 %k
}

@aaa = external dso_local global i128
@bbb = external dso_local global i128

define void @PR13897() nounwind {
; X64-LABEL: PR13897:
; X64:       # %bb.0: # %"0x0"
; X64-NEXT:    movq bbb(%rip), %rax
; X64-NEXT:    movl %eax, %ecx
; X64-NEXT:    shlq $32, %rax
; X64-NEXT:    orq %rcx, %rax
; X64-NEXT:    movq %rax, aaa+8(%rip)
; X64-NEXT:    movq %rax, aaa(%rip)
; X64-NEXT:    retq
;
; X86-LABEL: PR13897:
; X86:       # %bb.0: # %"0x0"
; X86-NEXT:    movl bbb, %eax
; X86-NEXT:    movl %eax, aaa+12
; X86-NEXT:    movl %eax, aaa+8
; X86-NEXT:    movl %eax, aaa+4
; X86-NEXT:    movl %eax, aaa
; X86-NEXT:    retl
"0x0":
  %0 = load i128, ptr @bbb
  %1 = and i128 %0, 4294967295
  %2 = shl i128 %0, 96
  %3 = mul i128 %1, 18446744078004518913
  %4 = add i128 %3, %2
  store i128 %4, ptr @aaa
  ret void
}