From fe8f5b5ad79d20f0f62dae3d40dcd17734f94e13 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 10 May 2002 22:43:26 +0000 Subject: [PATCH] Add testcase for when there is no loop header git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2611 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LICM/no-preheader-test.ll | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 test/Transforms/LICM/no-preheader-test.ll diff --git a/test/Transforms/LICM/no-preheader-test.ll b/test/Transforms/LICM/no-preheader-test.ll new file mode 100644 index 00000000000..eb0773f7e16 --- /dev/null +++ b/test/Transforms/LICM/no-preheader-test.ll @@ -0,0 +1,21 @@ +; Test that LICM works when there is not a loop-preheader +; RUN: as < %s | opt -licm | dis + +void "testfunc"(int %i, bool %ifcond) { + br bool %ifcond, label %Then, label %Else +Then: + br label %Loop +Else: + br label %Loop + +Loop: + %j = phi uint [0, %Then], [12, %Else], [%Next, %Loop] + %i = cast int %i to uint + %i2 = mul uint %i, 17 + %Next = add uint %j, %i2 + %cond = seteq uint %Next, 0 + br bool %cond, label %Out, label %Loop + +Out: + ret void +} -- 2.34.1