1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | grep "ret i32 %A" 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -die -S | not grep call.*llvm 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i32 %A) { 5*9880d681SAndroid Build Coastguard Worker %X = or i1 false, false 6*9880d681SAndroid Build Coastguard Worker br i1 %X, label %T, label %C 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard WorkerT: ; preds = %0 9*9880d681SAndroid Build Coastguard Worker %B = add i32 %A, 1 10*9880d681SAndroid Build Coastguard Worker br label %C 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard WorkerC: ; preds = %T, %0 13*9880d681SAndroid Build Coastguard Worker %C.upgrd.1 = phi i32 [ %B, %T ], [ %A, %0 ] 14*9880d681SAndroid Build Coastguard Worker ret i32 %C.upgrd.1 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerdefine i32* @test2(i32 %width) { 18*9880d681SAndroid Build Coastguard Worker %tmp = call i8* @llvm.stacksave( ) 19*9880d681SAndroid Build Coastguard Worker %tmp14 = alloca i32, i32 %width 20*9880d681SAndroid Build Coastguard Worker ret i32* %tmp14 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Workerdeclare i8* @llvm.stacksave() 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.start(i64, i8*) 26*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.end(i64, i8*) 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Workerdefine void @test3() { 29*9880d681SAndroid Build Coastguard Worker call void @llvm.lifetime.start(i64 -1, i8* undef) 30*9880d681SAndroid Build Coastguard Worker call void @llvm.lifetime.end(i64 -1, i8* undef) 31*9880d681SAndroid Build Coastguard Worker ret void 32*9880d681SAndroid Build Coastguard Worker} 33*9880d681SAndroid Build Coastguard Worker 34