From 21870f3e87012a1bad433e797ad4bc0ff835293a Mon Sep 17 00:00:00 2001 From: David Majnemer Date: Tue, 5 Aug 2014 00:01:15 +0000 Subject: [PATCH] CodeGenObjCXX: Add a test for r214699 I forgot to add this with the changes for r214699. llvm-svn: 214829 --- clang/test/CodeGenObjCXX/block-id.mm | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 clang/test/CodeGenObjCXX/block-id.mm diff --git a/clang/test/CodeGenObjCXX/block-id.mm b/clang/test/CodeGenObjCXX/block-id.mm new file mode 100644 index 0000000..e324841 --- /dev/null +++ b/clang/test/CodeGenObjCXX/block-id.mm @@ -0,0 +1,22 @@ +// RUN: %clang_cc1 -emit-llvm -fblocks -o - -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 %s | FileCheck %s + +// N.B. This test verifies that two blocks which are otherwise +// indistinguishable receive distinct manglings. +// We had a bug where the first two blocks in the global block map could +// get the same unqualified-block mangling because the logic to handle +// block-ids believed it was handling Itanium-style discriminators. + +template +int tf() { + return T::value; +} +int i1 = ^int { + struct S { enum { value = 1 };}; + // CHECK-DAG: @_Z2tfIZUb_E1SEiv + return tf(); +}(); +int i2 = ^int(int p1) { + struct S { enum { value = 2 };}; + // CHECK-DAG: @_Z2tfIZUb0_E1SEiv + return tf() + p1; +}(1); -- 2.7.4