| John McCall | 35be402 | 2013-02-12 00:25:02 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -O2 -disable-llvm-optzns -o - %s | FileCheck %s |
| 2 | |
| 3 | void test0(_Bool cond) { |
| 4 | id test0_helper(void) __attribute__((ns_returns_retained)); |
| 5 | |
| 6 | // CHECK: define void @test0( |
| 7 | // CHECK: [[COND:%.*]] = alloca i8, |
| 8 | // CHECK-NEXT: [[X:%.*]] = alloca i8*, |
| 9 | // CHECK-NEXT: [[RELVAL:%.*]] = alloca i8* |
| 10 | // CHECK-NEXT: [[RELCOND:%.*]] = alloca i1 |
| 11 | // CHECK-NEXT: zext |
| 12 | // CHECK-NEXT: store |
| 13 | // CHECK-NEXT: [[T0:%.*]] = load i8* [[COND]] |
| 14 | // CHECK-NEXT: [[T1:%.*]] = trunc i8 [[T0]] to i1 |
| 15 | // CHECK-NEXT: store i1 false, i1* [[RELCOND]] |
| 16 | // CHECK-NEXT: br i1 [[T1]], |
| 17 | // CHECK: br label |
| 18 | // CHECK: [[CALL:%.*]] = call i8* @test0_helper() |
| 19 | // CHECK-NEXT: store i8* [[CALL]], i8** [[RELVAL]] |
| 20 | // CHECK-NEXT: store i1 true, i1* [[RELCOND]] |
| 21 | // CHECK-NEXT: br label |
| 22 | // CHECK: [[T0:%.*]] = phi i8* [ null, {{%.*}} ], [ [[CALL]], {{%.*}} ] |
| 23 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) nounwind |
| 24 | // CHECK-NEXT: store i8* [[T1]], i8** [[X]], |
| 25 | // CHECK-NEXT: [[REL:%.*]] = load i1* [[RELCOND]] |
| 26 | // CHECK-NEXT: br i1 [[REL]], |
| 27 | // CHECK: [[T0:%.*]] = load i8** [[RELVAL]] |
| 28 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind |
| 29 | // CHECK-NEXT: br label |
| 30 | // CHECK: [[T0:%.*]] = load i8** [[X]] |
| 31 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind |
| 32 | // CHECK-NEXT: ret void |
| 33 | id x = (cond ? 0 : test0_helper()); |
| 34 | } |
| 35 | |
| 36 | void test1(int cond) { |
| 37 | __strong id strong; |
| 38 | __weak id weak; |
| 39 | extern void test1_sink(id *); |
| 40 | test1_sink(cond ? &strong : 0); |
| 41 | test1_sink(cond ? &weak : 0); |
| 42 | |
| 43 | // CHECK: define void @test1( |
| 44 | // CHECK: [[COND:%.*]] = alloca i32 |
| 45 | // CHECK-NEXT: [[STRONG:%.*]] = alloca i8* |
| 46 | // CHECK-NEXT: [[WEAK:%.*]] = alloca i8* |
| 47 | // CHECK-NEXT: [[TEMP1:%.*]] = alloca i8* |
| 48 | // CHECK-NEXT: [[TEMP2:%.*]] = alloca i8* |
| 49 | // CHECK-NEXT: [[CONDCLEANUPSAVE:%.*]] = alloca i8* |
| 50 | // CHECK-NEXT: [[CONDCLEANUP:%.*]] = alloca i1 |
| 51 | // CHECK-NEXT: store i32 |
| 52 | // CHECK-NEXT: store i8* null, i8** [[STRONG]] |
| 53 | // CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAK]], i8* null) |
| 54 | |
| 55 | // CHECK-NEXT: [[T0:%.*]] = load i32* [[COND]] |
| 56 | // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0 |
| 57 | // CHECK: [[ARG:%.*]] = phi i8** |
| 58 | // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null |
| 59 | // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP1]] |
| 60 | // CHECK-NEXT: br i1 [[T0]], |
| 61 | // CHECK: [[T0:%.*]] = load i8** [[ARG]] |
| 62 | // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP1]] |
| 63 | // CHECK-NEXT: br label |
| 64 | // CHECK: call void @test1_sink(i8** [[T1]]) |
| 65 | // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null |
| 66 | // CHECK-NEXT: br i1 [[T0]], |
| 67 | // CHECK: [[T0:%.*]] = load i8** [[TEMP1]] |
| 68 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) |
| 69 | // CHECK-NEXT: [[T2:%.*]] = load i8** [[ARG]] |
| 70 | // CHECK-NEXT: store i8* [[T1]], i8** [[ARG]] |
| 71 | // CHECK-NEXT: call void @objc_release(i8* [[T2]]) |
| 72 | // CHECK-NEXT: br label |
| 73 | |
| 74 | // CHECK: [[T0:%.*]] = load i32* [[COND]] |
| 75 | // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0 |
| 76 | // CHECK: [[ARG:%.*]] = phi i8** |
| 77 | // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null |
| 78 | // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP2]] |
| 79 | // CHECK-NEXT: store i1 false, i1* [[CONDCLEANUP]] |
| 80 | // CHECK-NEXT: br i1 [[T0]], |
| 81 | // CHECK: [[T0:%.*]] = call i8* @objc_loadWeakRetained(i8** [[ARG]]) |
| 82 | // CHECK-NEXT: store i8* [[T0]], i8** [[CONDCLEANUPSAVE]] |
| 83 | // CHECK-NEXT: store i1 true, i1* [[CONDCLEANUP]] |
| 84 | // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP2]] |
| 85 | // CHECK-NEXT: br label |
| 86 | // CHECK: call void @test1_sink(i8** [[T1]]) |
| 87 | // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null |
| 88 | // CHECK-NEXT: br i1 [[T0]], |
| 89 | // CHECK: [[T0:%.*]] = load i8** [[TEMP2]] |
| 90 | // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[ARG]], i8* [[T0]]) |
| 91 | // CHECK-NEXT: br label |
| 92 | |
| 93 | // CHECK: call void @objc_destroyWeak(i8** [[WEAK]]) |
| 94 | // CHECK: ret void |
| 95 | } |