Record function attribute "stackrealign" instead of using backend option
-force-align-stack.
Also, make changes to the driver so that -mno-stack-realign is no longer
an option exposed to the end-user that disallows stack realignment in
the backend.
Differential Revision: http://reviews.llvm.org/D11815
llvm-svn: 247451
diff --git a/clang/test/CodeGen/stackrealign.c b/clang/test/CodeGen/stackrealign.c
new file mode 100644
index 0000000..39b0939
--- /dev/null
+++ b/clang/test/CodeGen/stackrealign.c
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -mstackrealign | FileCheck %s -check-prefix=REALIGN
+// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s -check-prefix=NO-REALIGN
+
+// REALIGN: attributes #{{[0-9]+}} = {{{.*}} "stackrealign"
+// NO-REALIGN-NOT: attributes #{{[0-9]+}} = {{{.*}} "stackrealign"
+
+void test1() {
+}