Add clang-cc support for -disable-llvm-optzns.

 - Avoids running any LLVM optimizations, even at -O2, etc., while still keeping
   any language changes these optimizations imply.

llvm-svn: 72742

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/test/CodeGen/always_inline.c b/clang/test/CodeGen/always_inline.c
new file mode 100644
index 00000000000..d159bd2233e
--- /dev/null
+++ b/clang/test/CodeGen/always_inline.c
@@ -0,0 +1,13 @@
+// RUN: clang-cc -emit-llvm -o %t %s &&
+// RUN: grep '@f0' %t | count 0 &&
+// RUN: clang-cc -disable-llvm-optzns -emit-llvm -o %t %s &&
+// RUN: grep '@f0' %t | count 2
+
+//static int f0() { 
+static int __attribute__((always_inline)) f0() { 
+  return 1;
+}
+
+int f1() {
+  return f0();
+}