17 lines
628 B
Mathematica
17 lines
628 B
Mathematica
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
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void test0(void) {
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extern id test0_helper(void);
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__attribute__((objc_precise_lifetime)) id x = test0_helper();
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test0_helper();
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// CHECK-LABEL: define void @test0()
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// CHECK: [[T0:%.*]] = call i8* @test0_helper()
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// CHECK-NEXT: store i8* [[T0]], i8** [[X:%.*]], align 8
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// CHECK-NEXT: call i8* @test0_helper()
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// CHECK-NEXT: [[T0:%.*]] = load i8** [[X]], align 8
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// CHECK-NEXT: call void asm sideeffect "", "r"(i8* [[T0]]) [[NUW:#[0-9]+]]
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// CHECK-NEXT: ret void
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}
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// CHECK: attributes [[NUW]] = { nounwind }
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