It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SCCP/apint-basictest.ll b/test/Transforms/SCCP/apint-basictest.ll
new file mode 100644
index 0000000..12f8326
--- /dev/null
+++ b/test/Transforms/SCCP/apint-basictest.ll
@@ -0,0 +1,16 @@
+; This is a basic sanity check for constant propogation.  The add instruction 
+; should be eliminated.
+
+; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep add
+
+define i128 @test(i1 %B) {
+	br i1 %B, label %BB1, label %BB2
+BB1:
+	%Val = add i128 0, 1
+	br label %BB3
+BB2:
+	br label %BB3
+BB3:
+	%Ret = phi i128 [%Val, %BB1], [2, %BB2]
+	ret i128 %Ret
+}