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// 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
void test0(_Bool cond) {
id test0_helper(void) __attribute__((ns_returns_retained));
// CHECK: define void @test0(
// CHECK: [[COND:%.*]] = alloca i8,
// CHECK-NEXT: [[X:%.*]] = alloca i8*,
// CHECK-NEXT: [[RELVAL:%.*]] = alloca i8*
// CHECK-NEXT: [[RELCOND:%.*]] = alloca i1
// CHECK-NEXT: zext
// CHECK-NEXT: store
// CHECK-NEXT: [[T0:%.*]] = load i8* [[COND]]
// CHECK-NEXT: [[T1:%.*]] = trunc i8 [[T0]] to i1
// CHECK-NEXT: store i1 false, i1* [[RELCOND]]
// CHECK-NEXT: br i1 [[T1]],
// CHECK: br label
// CHECK: [[CALL:%.*]] = call i8* @test0_helper()
// CHECK-NEXT: store i8* [[CALL]], i8** [[RELVAL]]
// CHECK-NEXT: store i1 true, i1* [[RELCOND]]
// CHECK-NEXT: br label
// CHECK: [[T0:%.*]] = phi i8* [ null, {{%.*}} ], [ [[CALL]], {{%.*}} ]
// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) nounwind
// CHECK-NEXT: store i8* [[T1]], i8** [[X]],
// CHECK-NEXT: [[REL:%.*]] = load i1* [[RELCOND]]
// CHECK-NEXT: br i1 [[REL]],
// CHECK: [[T0:%.*]] = load i8** [[RELVAL]]
// CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
// CHECK-NEXT: br label
// CHECK: [[T0:%.*]] = load i8** [[X]]
// CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
// CHECK-NEXT: ret void
id x = (cond ? 0 : test0_helper());
}
void test1(int cond) {
__strong id strong;
__weak id weak;
extern void test1_sink(id *);
test1_sink(cond ? &strong : 0);
test1_sink(cond ? &weak : 0);
// CHECK: define void @test1(
// CHECK: [[COND:%.*]] = alloca i32
// CHECK-NEXT: [[STRONG:%.*]] = alloca i8*
// CHECK-NEXT: [[WEAK:%.*]] = alloca i8*
// CHECK-NEXT: [[TEMP1:%.*]] = alloca i8*
// CHECK-NEXT: [[TEMP2:%.*]] = alloca i8*
// CHECK-NEXT: [[CONDCLEANUPSAVE:%.*]] = alloca i8*
// CHECK-NEXT: [[CONDCLEANUP:%.*]] = alloca i1
// CHECK-NEXT: store i32
// CHECK-NEXT: store i8* null, i8** [[STRONG]]
// CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAK]], i8* null)
// CHECK-NEXT: [[T0:%.*]] = load i32* [[COND]]
// CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0
// CHECK: [[ARG:%.*]] = phi i8**
// CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
// CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP1]]
// CHECK-NEXT: br i1 [[T0]],
// CHECK: [[T0:%.*]] = load i8** [[ARG]]
// CHECK-NEXT: store i8* [[T0]], i8** [[TEMP1]]
// CHECK-NEXT: br label
// CHECK: call void @test1_sink(i8** [[T1]])
// CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
// CHECK-NEXT: br i1 [[T0]],
// CHECK: [[T0:%.*]] = load i8** [[TEMP1]]
// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
// CHECK-NEXT: [[T2:%.*]] = load i8** [[ARG]]
// CHECK-NEXT: store i8* [[T1]], i8** [[ARG]]
// CHECK-NEXT: call void @objc_release(i8* [[T2]])
// CHECK-NEXT: br label
// CHECK: [[T0:%.*]] = load i32* [[COND]]
// CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0
// CHECK: [[ARG:%.*]] = phi i8**
// CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
// CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP2]]
// CHECK-NEXT: store i1 false, i1* [[CONDCLEANUP]]
// CHECK-NEXT: br i1 [[T0]],
// CHECK: [[T0:%.*]] = call i8* @objc_loadWeakRetained(i8** [[ARG]])
// CHECK-NEXT: store i8* [[T0]], i8** [[CONDCLEANUPSAVE]]
// CHECK-NEXT: store i1 true, i1* [[CONDCLEANUP]]
// CHECK-NEXT: store i8* [[T0]], i8** [[TEMP2]]
// CHECK-NEXT: br label
// CHECK: call void @test1_sink(i8** [[T1]])
// CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
// CHECK-NEXT: br i1 [[T0]],
// CHECK: [[T0:%.*]] = load i8** [[TEMP2]]
// CHECK-NEXT: call i8* @objc_storeWeak(i8** [[ARG]], i8* [[T0]])
// CHECK-NEXT: br label
// CHECK: call void @objc_destroyWeak(i8** [[WEAK]])
// CHECK: ret void
}
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