1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -verify-machineinstrs | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -verify-machineinstrs -O0 | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine void @test1(i32* %ptr, i32 %val1) { 5*9880d681SAndroid Build Coastguard Worker; CHECK: test1 6*9880d681SAndroid Build Coastguard Worker; CHECK: xchgl %esi, (%rdi) 7*9880d681SAndroid Build Coastguard Worker store atomic i32 %val1, i32* %ptr seq_cst, align 4 8*9880d681SAndroid Build Coastguard Worker ret void 9*9880d681SAndroid Build Coastguard Worker} 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine void @test2(i32* %ptr, i32 %val1) { 12*9880d681SAndroid Build Coastguard Worker; CHECK: test2 13*9880d681SAndroid Build Coastguard Worker; CHECK: movl %esi, (%rdi) 14*9880d681SAndroid Build Coastguard Worker store atomic i32 %val1, i32* %ptr release, align 4 15*9880d681SAndroid Build Coastguard Worker ret void 16*9880d681SAndroid Build Coastguard Worker} 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerdefine i32 @test3(i32* %ptr) { 19*9880d681SAndroid Build Coastguard Worker; CHECK: test3 20*9880d681SAndroid Build Coastguard Worker; CHECK: movl (%rdi), %eax 21*9880d681SAndroid Build Coastguard Worker %val = load atomic i32, i32* %ptr seq_cst, align 4 22*9880d681SAndroid Build Coastguard Worker ret i32 %val 23*9880d681SAndroid Build Coastguard Worker} 24