From 4acd51a1c1ae44684b42a02a53da8e3a35f5a57e Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 13 Apr 2004 16:22:04 +0000 Subject: [PATCH] New testcase where loop simplify is not updating domfrontiers correctly git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12889 91177308-0d34-0410-b5e6-96231b3b80d8 --- ...004-04-13-LoopSimplifyUpdateDomFrontier.ll | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll diff --git a/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll b/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll new file mode 100644 index 00000000000..14921c22c98 --- /dev/null +++ b/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -scalarrepl -loopsimplify -licm -disable-output + +implementation ; Functions: + +void %inflate() { +entry: + br label %loopentry.0.outer1111 + +loopentry.0.outer1111: ; preds = %entry, %loopentry.0.outer1111, %label.11, %then.41 + %left.0.ph1107 = phi uint [ %tmp.1172, %then.41 ], [ 0, %entry ], [ %tmp.1172, %label.11 ], [ %left.0.ph1107, %loopentry.0.outer1111 ] ; [#uses=2] + %tmp.1172 = sub uint %left.0.ph1107, 0 ; [#uses=2] + switch uint 0, label %label.11 [ + uint 23, label %loopentry.0.outer1111 + uint 13, label %then.41 + ] + +label.11: ; preds = %loopentry.0.outer1111 + br label %loopentry.0.outer1111 + +then.41: ; preds = %loopentry.0.outer1111 + br label %loopentry.0.outer1111 +}