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-rw-r--r--clang/test/CodeGenObjC/gc.m14
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/gc.m b/clang/test/CodeGenObjC/gc.m
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+++ b/clang/test/CodeGenObjC/gc.m
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+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
+
+void test0(void) {
+ extern id test0_helper(void);
+ __attribute__((objc_precise_lifetime)) id x = test0_helper();
+ test0_helper();
+ // CHECK: define void @test0()
+ // CHECK: [[T0:%.*]] = call i8* @test0_helper()
+ // CHECK-NEXT: store i8* [[T0]], i8** [[X:%.*]], align 8
+ // CHECK-NEXT: call i8* @test0_helper()
+ // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]], align 8
+ // CHECK-NEXT: call void asm sideeffect "", "r"(i8* [[T0]]) nounwind
+ // CHECK-NEXT: ret void
+}