From d0069a08b94cb8afda82f868d0f9066505f7eb73 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 9 Dec 2003 22:05:08 +0000 Subject: [PATCH] Add a new testcase which breaks the sinker because the loop canonnicalization pass does not do a canonnicalization that the sinker wants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10346 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LICM/sink_critical_edge.ll | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 test/Transforms/LICM/sink_critical_edge.ll diff --git a/test/Transforms/LICM/sink_critical_edge.ll b/test/Transforms/LICM/sink_critical_edge.ll new file mode 100644 index 00000000000..6cd081887b0 --- /dev/null +++ b/test/Transforms/LICM/sink_critical_edge.ll @@ -0,0 +1,19 @@ +; This testcase checks to make sure the sinker does not cause problems with +; critical edges. + +; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 add | grep Exit + +implementation ; Functions: + +void %test() { +Entry: + br bool false, label %Loop, label %Exit + +Loop: + %X = add int 0, 1 + br bool false, label %Loop, label %Exit + +Exit: + %Y = phi int [ 0, %Entry ], [ %X, %Loop ] + ret void +} -- 2.34.1