Add a test that shows that SSI is working correctly.

llvm-svn: 79230

1 files changed, 22 insertions, 0 deletions

diff --git a/llvm/test/Transforms/SSI/ssiphi.ll b/llvm/test/Transforms/SSI/ssiphi.ll
new file mode 100644
index 00000000000..bdee6fed524
--- /dev/null
+++ b/llvm/test/Transforms/SSI/ssiphi.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | opt -ssi-everything | llvm-dis | FileCheck %s
+
+declare void @use(i32)
+declare i32 @create()
+
+define i32 @foo() {
+entry:
+  %x = call i32 @create()
+  %y = icmp slt i32 %x, 10
+  br i1 %y, label %T, label %F
+T:
+; CHECK: SSI_sigma 
+  call void @use(i32 %x)
+  br label %join
+F:
+; CHECK: SSI_sigma
+  call void @use(i32 %x)
+  br label %join
+join:
+; CHECK: SSI_phi
+  ret i32 %x
+}