Fixup blocks codegen for { __block i; i = rhs(); }, we want the rhs
evaluated first. This can also improve codegen just a bit as we might
have another register to play with for the evaluation of the rhs.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72226 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/blocks-seq.c b/test/CodeGen/blocks-seq.c
new file mode 100644
index 0000000..eb4990a
--- /dev/null
+++ b/test/CodeGen/blocks-seq.c
@@ -0,0 +1,13 @@
+// RUN: clang-cc -fblocks -triple x86_64-apple-darwin10 -emit-llvm -o %t %s &&
+// RUN: grep '%call = call i32 (...)\* @rhs()' %t | count 1 &&
+// If this fails, see about sliding %4 and %5...
+// RUN: grep '%forwarding1 = getelementptr %0\* %i, i32 0, i32 1' %t | count 1 &&
+// RUN: grep '%4 = bitcast i8\*\* %forwarding1 to %0\*\*' %t | count 1 &&
+// RUN: grep '%5 = load %0\*\* %4' %t | count 1
+
+int rhs();
+
+void foo() {
+ __block int i;
+ i = rhs();
+}