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65bb3f92bd
with notail on x86-64. On x86-64, the epilogue code inserted before the tail jump blocks the autoreleased return optimization. rdar://problem/38675807 Differential Revision: https://reviews.llvm.org/D59656 llvm-svn: 356705
20 lines
668 B
Objective-C
20 lines
668 B
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-exceptions -o - %s | FileCheck %s
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// pr10411
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// rdar://10042689
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id make(void);
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void test() {
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@throw make();
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}
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// TODO: We should probably emit this specific pattern without the reclaim.
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// CHECK-LABEL: define void @test()
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// CHECK: [[T0:%.*]] = call i8* @make()
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// CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]])
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// CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.autorelease(i8* [[T1]])
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// CHECK-NEXT: call void @objc_exception_throw(i8* [[T2]]) [[NR:#[0-9]+]]
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// CHECK-NEXT: unreachable
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// CHECK: attributes [[NR]] = { noreturn }
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