; RUN: llc < %s -march=x86 | FileCheck %s ; This should not load or store the top part of *P. define void @test(i64* %P) nounwind { ; CHECK-LABEL: test: ; CHECK: movl 4(%esp), %[[REGISTER:.*]] ; CHECK-NOT: 4(%[[REGISTER]]) ; CHECK: ret %tmp1 = load i64* %P, align 8 ; [#uses=1] %tmp2 = xor i64 %tmp1, 1 ; [#uses=1] store i64 %tmp2, i64* %P, align 8 ret void }