llvm-project/llvm/test/CodeGen/X86/longlong-deadload.ll

21 lines
647 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-pc-linux-gnu | FileCheck %s
; FIXME: This should not load or store the top part of *P.
define void @test(i64* %P) nounwind {
; CHECK-LABEL: test:
; CHECK: # BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl (%eax), %ecx
; CHECK-NEXT: xorl $1, %ecx
; CHECK-NEXT: orl $2, %ecx
; CHECK-NEXT: movl %ecx, (%eax)
; CHECK-NEXT: retl
%tmp1 = load i64, i64* %P, align 8
%tmp2 = xor i64 %tmp1, 1
%tmp3 = or i64 %tmp2, 2
store i64 %tmp3, i64* %P, align 8
ret void
}