1 ; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -verify-machineinstrs | FileCheck %s 2 ; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -O0 | FileCheck %s 3 4 define void @test1(i32* %ptr, i32 %val1) { 5 ; CHECK: test1 6 ; CHECK: xchgl %esi, (%rdi) 7 store atomic i32 %val1, i32* %ptr seq_cst, align 4 8 ret void 9 } 10 11 define void @test2(i32* %ptr, i32 %val1) { 12 ; CHECK: test2 13 ; CHECK: movl %esi, (%rdi) 14 store atomic i32 %val1, i32* %ptr release, align 4 15 ret void 16 } 17 18 define i32 @test3(i32* %ptr) { 19 ; CHECK: test3 20 ; CHECK: movl (%rdi), %eax 21 %val = load atomic i32* %ptr seq_cst, align 4 22 ret i32 %val 23 } 24
