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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-10-15 00:23:07 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-10-15 00:23:07 +0000 |
| commit | 6b4ebcc653b63c544a9eca39441e85a5a18f140f (patch) | |
| tree | ec6cdfee1c7c805b317dbb211e25113c8932c1d6 /clang/test/CodeGenCXX/return.cpp | |
| parent | feea5d6fb45ce7485c411a1234107534a4b5bd76 (diff) | |
| download | bcm5719-llvm-6b4ebcc653b63c544a9eca39441e85a5a18f140f.tar.gz bcm5719-llvm-6b4ebcc653b63c544a9eca39441e85a5a18f140f.zip | |
At -O0, emit an @llvm.trap() call at the end of a value-returning function which
fails to return a value, to make debugging this issue easier.
llvm-svn: 165914
Diffstat (limited to 'clang/test/CodeGenCXX/return.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/return.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/clang/test/CodeGenCXX/return.cpp b/clang/test/CodeGenCXX/return.cpp index 2af1a5266e2..43d40ae986e 100644 --- a/clang/test/CodeGenCXX/return.cpp +++ b/clang/test/CodeGenCXX/return.cpp @@ -1,6 +1,12 @@ -// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s +// RUN: %clang_cc1 -emit-llvm -O0 -o - %s | FileCheck %s +// RUN: %clang_cc1 -emit-llvm -O -o - %s | FileCheck %s --check-prefix=CHECK-OPT -// CHECK: @_Z9no_return +// CHECK: @_Z9no_return +// CHECK-OPT: @_Z9no_return int no_return() { - // CHECK: unreachable + // CHECK: call void @llvm.trap + // CHECK-NEXT: unreachable + + // CHECK-OPT-NOT: call void @llvm.trap + // CHECK-OPT: unreachable } |
