r193995 - CodeGen: Test that simple expressions are simplified at -O0

[Justin Bogner]

Author: bogner
Date: Mon Nov  4 10:13:23 2013
New Revision: 193995

URL: http://llvm.org/viewvc/llvm-project?rev=193995&view=rev
Log:
CodeGen: Test that simple expressions are simplified at -O0

Added:
    cfe/trunk/test/CodeGen/branch-on-bool.c

Added: cfe/trunk/test/CodeGen/branch-on-bool.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/branch-on-bool.c?rev=193995&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/branch-on-bool.c (added)
+++ cfe/trunk/test/CodeGen/branch-on-bool.c Mon Nov  4 10:13:23 2013
@@ -0,0 +1,22 @@
+// RUN: %clang %s -O0 -emit-llvm -S -o - | FileCheck %s
+
+void foo();
+void bar();
+
+void fold_if(int a, int b) {
+  // CHECK: define {{.*}} @fold_if(
+  // CHECK-NOT: = phi
+  // CHECK: }
+  if (a && b)
+    foo();
+  else
+    bar();
+}
+
+void fold_for(int a, int b) {
+  // CHECK: define {{.*}} @fold_for(
+  // CHECK-NOT: = phi
+  // CHECK: }
+  for (int i = 0; a && i < b; ++i) foo();
+  for (int i = 0; a || i < b; ++i) bar();
+}