new testcase for PR2094. The inline asms should not pin allocas to the

stack anymore.

llvm-svn: 50397

1 files changed, 12 insertions, 0 deletions

diff --git a/llvm/test/CFrontend/inline-asm-mrv.c b/llvm/test/CFrontend/inline-asm-mrv.c
new file mode 100644
index 00000000000..6d1df67af1b
--- /dev/null
+++ b/llvm/test/CFrontend/inline-asm-mrv.c
@@ -0,0 +1,12 @@
+// RUN: %llvmgcc -S %s -o - -O | not grep alloca
+// PR2094
+
+int sad16_sse2(void *v, unsigned char *blk2, unsigned char *blk1,
+               int stride, int h) {
+    int ret;
+    asm volatile( "%0 %1 %2 %3"
+        : "+r" (h), "+r" (blk1), "+r" (blk2)
+        : "r" ((long)stride));
+    asm volatile("set %0 %1" : "=r"(ret) : "r"(blk1));
+    return ret;
+}