From a8d9c83ebe83c3d3f31ba9d39e8baac46379752c Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 9 Dec 2003 23:29:25 +0000 Subject: [PATCH] Yet another hard testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10349 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LICM/sink_phi_node_use.ll | 28 +++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/Transforms/LICM/sink_phi_node_use.ll diff --git a/test/Transforms/LICM/sink_phi_node_use.ll b/test/Transforms/LICM/sink_phi_node_use.ll new file mode 100644 index 00000000000..6335469ea24 --- /dev/null +++ b/test/Transforms/LICM/sink_phi_node_use.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 add | grep preheader.loopexit: + +implementation + +void %test() { +loopentry.2.i: + br bool false, label %no_exit.1.i.preheader, label %loopentry.3.i.preheader + +no_exit.1.i.preheader: + br label %no_exit.1.i + +no_exit.1.i: + br bool false, label %return.i, label %endif.8.i + +endif.8.i: + %inc.1.i = add int 0, 1 + br bool false, label %no_exit.1.i, label %loopentry.3.i.preheader.loopexit + +loopentry.3.i.preheader.loopexit: + br label %loopentry.3.i.preheader + +loopentry.3.i.preheader: + %arg_num.0.i.ph13000 = phi int [ 0, %loopentry.2.i ], [ %inc.1.i, %loopentry.3.i.preheader.loopexit ] + ret void + +return.i: + ret void +}