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

1 files changed, 34 insertions, 0 deletions

diff --git a/test/Transforms/CodeExtractor/2004-03-14-DominanceProblem.ll b/test/Transforms/CodeExtractor/2004-03-14-DominanceProblem.ll
new file mode 100644
index 0000000..186466d
--- /dev/null
+++ b/test/Transforms/CodeExtractor/2004-03-14-DominanceProblem.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-extract -disable-output
+; This testcase is failing the loop extractor because not all exit blocks 
+; are dominated by all of the live-outs.
+
+implementation   ; Functions:
+
+int %ab(int %alpha, int %beta) {
+entry:
+	br label %loopentry.1.preheader
+
+loopentry.1.preheader:		; preds = %then.1
+	br label %loopentry.1
+
+loopentry.1:		; preds = %loopentry.1.preheader, %no_exit.1
+	br bool false, label %no_exit.1, label %loopexit.0.loopexit1
+
+no_exit.1:		; preds = %loopentry.1
+	%tmp.53 = load int* null		; <int> [#uses=1]
+	br bool false, label %shortcirc_next.2, label %loopentry.1
+
+shortcirc_next.2:		; preds = %no_exit.1
+	%tmp.563 = call int %wins( int 0, int %tmp.53, int 3 )		; <int> [#uses=0]
+	ret int 0
+
+loopexit.0.loopexit1:		; preds = %loopentry.1
+	br label %loopexit.0
+
+loopexit.0:		; preds = %loopexit.0.loopexit, %loopexit.0.loopexit1
+	ret int 0
+}
+
+declare int %wins(int, int, int)
+
+declare ushort %ab_code()