xref: /llvm-project/llvm/test/CodeGen/X86/mul64.ll (revision 3a4a7dcd623b9cbd6371c3246a31e985f1f7f232)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i386-unknown | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
4
5define i64 @foo(i64 %t, i64 %u) nounwind {
6; X86-LABEL: foo:
7; X86:       # %bb.0:
8; X86-NEXT:    pushl %esi
9; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
10; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
11; X86-NEXT:    movl %ecx, %eax
12; X86-NEXT:    mull %esi
13; X86-NEXT:    imull {{[0-9]+}}(%esp), %ecx
14; X86-NEXT:    addl %ecx, %edx
15; X86-NEXT:    imull {{[0-9]+}}(%esp), %esi
16; X86-NEXT:    addl %esi, %edx
17; X86-NEXT:    popl %esi
18; X86-NEXT:    retl
19;
20; X64-LABEL: foo:
21; X64:       # %bb.0:
22; X64-NEXT:    movq %rdi, %rax
23; X64-NEXT:    imulq %rsi, %rax
24; X64-NEXT:    retq
25  %k = mul i64 %t, %u
26  ret i64 %k
27}
28