llvm-project/llvm/test/CodeGen/X86/mul128.ll

18 lines
498 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
define i128 @foo(i128 %t, i128 %u) {
; X64-LABEL: foo:
; X64: # BB#0:
; X64-NEXT: movq %rdx, %r8
; X64-NEXT: imulq %rdi, %rcx
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: mulq %r8
; X64-NEXT: addq %rcx, %rdx
; X64-NEXT: imulq %r8, %rsi
; X64-NEXT: addq %rsi, %rdx
; X64-NEXT: retq
%k = mul i128 %t, %u
ret i128 %k
}