xref: /llvm-project/llvm/test/CodeGen/X86/longlong-deadload.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-pc-linux-gnu | FileCheck %s
3; FIXME: This should not load or store the top part of *P.
4
5define void @test(ptr %P) nounwind  {
6; CHECK-LABEL: test:
7; CHECK:       # %bb.0:
8; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
9; CHECK-NEXT:    movl (%eax), %ecx
10; CHECK-NEXT:    xorl $1, %ecx
11; CHECK-NEXT:    orl $2, %ecx
12; CHECK-NEXT:    movl %ecx, (%eax)
13; CHECK-NEXT:    retl
14        %tmp1 = load i64, ptr %P, align 8
15        %tmp2 = xor i64 %tmp1, 1
16        %tmp3 = or i64 %tmp2, 2
17        store i64 %tmp3, ptr %P, align 8
18        ret void
19}
20
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