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| author | Shoaib Meenai <smeenai@fb.com> | 2018-03-19 19:34:39 +0000 |
|---|---|---|
| committer | Shoaib Meenai <smeenai@fb.com> | 2018-03-19 19:34:39 +0000 |
| commit | 75ec747077d46ed5c15d28b06981d5291159d7b2 (patch) | |
| tree | 1f803c8a7eb39d4abb07c0fe898e3b0b9d660a87 /test/CodeGenObjCXX/arc-marker-funclet.mm | |
| parent | 0d77b40bff5effdfbb53dc6ab440982b17b5e51a (diff) | |
[CodeGen] Add funclet token to ARC marker
The inline assembly generated for the ARC autorelease elision marker
must have a funclet token if it's emitted inside a funclet, otherwise
the inline assembly (and all subsequent code in the funclet) will be
marked unreachable. r324689 fixed this issue for regular inline assembly
blocks.
Note that clang only emits the marker at -O0, so this only fixes that
case. The optimizations case (where the marker is emitted by the
backend) will be fixed in a separate change.
Differential Revision: https://reviews.llvm.org/D44640
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@327892 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenObjCXX/arc-marker-funclet.mm')
| -rw-r--r-- | test/CodeGenObjCXX/arc-marker-funclet.mm | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGenObjCXX/arc-marker-funclet.mm b/test/CodeGenObjCXX/arc-marker-funclet.mm new file mode 100644 index 0000000000..900c2788da --- /dev/null +++ b/test/CodeGenObjCXX/arc-marker-funclet.mm @@ -0,0 +1,17 @@ +// RUN: %clang_cc1 -triple i686-unknown-windows-msvc -fobjc-runtime=ios-6.0 -fobjc-arc \ +// RUN: -fexceptions -fcxx-exceptions -emit-llvm -o - %s | FileCheck %s + +id f(); +void g() { + try { + f(); + } catch (...) { + f(); + } +} + +// CHECK: call i8* @"?f@@YAPAUobjc_object@@XZ"() [ "funclet"(token %1) ] +// CHECK-NEXT: call void asm sideeffect "movl{{.*}}%ebp, %ebp{{.*}}", ""() [ "funclet"(token %1) ] + +// The corresponding f() call was invoked from the entry basic block. +// CHECK: call void asm sideeffect "movl{{.*}}%ebp, %ebp{{.*}}", ""(){{$}} |