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/Analysis/LoopInfo/2003-05-15-NestingProblem.ll b/test/Analysis/LoopInfo/2003-05-15-NestingProblem.ll
new file mode 100644
index 0000000..e2023c5
--- /dev/null
+++ b/test/Analysis/LoopInfo/2003-05-15-NestingProblem.ll
@@ -0,0 +1,30 @@
+; This testcase was incorrectly computing that the loopentry.7 loop was
+; not a child of the loopentry.6 loop.
+;
+; RUN: llvm-upgrade < %s | llvm-as | opt -analyze -loops | \
+; RUN: grep {^ Loop Containing: %loopentry.7}
+
+void %getAndMoveToFrontDecode() { ; No predecessors!
+ br label %endif.2
+
+endif.2: ; preds = %0, %loopexit.5
+ br bool false, label %loopentry.5, label %UnifiedExitNode
+
+loopentry.5: ; preds = %endif.2, %loopexit.6
+ br bool false, label %loopentry.6, label %UnifiedExitNode
+
+loopentry.6: ; preds = %loopentry.5, %loopentry.7
+ br bool false, label %loopentry.7, label %loopexit.6
+
+loopentry.7: ; preds = %loopentry.6, %loopentry.7
+ br bool false, label %loopentry.7, label %loopentry.6
+
+loopexit.6: ; preds = %loopentry.6
+ br bool false, label %loopentry.5, label %loopexit.5
+
+loopexit.5: ; preds = %loopexit.6
+ br bool false, label %endif.2, label %UnifiedExitNode
+
+UnifiedExitNode: ; preds = %endif.2, %loopexit.5, %loopentry.5
+ ret void
+}