From 94046b2cc946e4541127313b6690ef60d4a8765d Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 10 Dec 2003 05:42:23 +0000 Subject: [PATCH] new testcase, checking to ensure we handle yet-another spiffy case correctly git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10357 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LICM/sink_only_some_exits.ll | 25 ++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/Transforms/LICM/sink_only_some_exits.ll diff --git a/test/Transforms/LICM/sink_only_some_exits.ll b/test/Transforms/LICM/sink_only_some_exits.ll new file mode 100644 index 00000000000..e672e585432 --- /dev/null +++ b/test/Transforms/LICM/sink_only_some_exits.ll @@ -0,0 +1,25 @@ +; This testcase checks to make sure we can sink values which are only live on +; some exits out of the loop, and that we can do so without breaking dominator +; info. +; +; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 add | grep exit2: + +implementation ; Functions: + +int %test(bool %C1, bool %C2, int *%P, int* %Q) { +Entry: + br label %Loop + +Loop: + br bool %C1, label %Cont, label %exit1 +Cont: + %X = load int* %P + store int %X, int* %Q + %V = add int %X, 1 + br bool %C2, label %Loop, label %exit2 + +exit1: + ret int 0 +exit2: + ret int %V +}