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/LoopSimplify/2004-04-12-LoopSimplify-SwitchBackedges.ll b/test/Transforms/LoopSimplify/2004-04-12-LoopSimplify-SwitchBackedges.ll
new file mode 100644
index 0000000..12250b7
--- /dev/null
+++ b/test/Transforms/LoopSimplify/2004-04-12-LoopSimplify-SwitchBackedges.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loopsimplify -disable-output
+
+implementation
+
+void %test() {
+loopentry.0:
+ br label %loopentry.1
+
+loopentry.1:
+ %pixel.4 = phi int [ 0, %loopentry.0 ], [ %pixel.4, %loopentry.1], [ %tmp.370, %then.6 ], [ %tmp.370, %then.6 ]
+ br bool false, label %then.6, label %loopentry.1
+
+then.6:
+ %tmp.370 = add int 0, 0 ; <int> [#uses=2]
+ switch uint 0, label %label.7 [
+ uint 6408, label %loopentry.1
+ uint 32841, label %loopentry.1
+ ]
+
+label.7: ; preds = %then.6
+ ret void
+}