From 6eaede2e6e657006959cba4bd47dfa0ea6a95f50 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 24 Feb 2007 01:03:11 +0000 Subject: [PATCH] testcase for pr1217 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34545 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/2007-02-23-PhiFoldInfLoop.ll | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/Transforms/InstCombine/2007-02-23-PhiFoldInfLoop.ll diff --git a/test/Transforms/InstCombine/2007-02-23-PhiFoldInfLoop.ll b/test/Transforms/InstCombine/2007-02-23-PhiFoldInfLoop.ll new file mode 100644 index 00000000000..da28f595a35 --- /dev/null +++ b/test/Transforms/InstCombine/2007-02-23-PhiFoldInfLoop.ll @@ -0,0 +1,32 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep ret +; PR1217 + +target datalayout = "e-p:32:32" +target triple = "i686-pc-linux-gnu" + %struct.termbox = type { %struct.termbox*, i32, i32, i32, i32, i32 } + +implementation ; Functions: + +define void @ggenorien() { +entry: + %tmp68 = icmp eq %struct.termbox* null, null ; [#uses=1] + br i1 %tmp68, label %cond_next448, label %bb80 + +bb80: ; preds = %entry + ret void + +cond_next448: ; preds = %entry + br i1 false, label %bb756, label %bb595 + +bb595: ; preds = %cond_next448 + br label %bb609 + +bb609: ; preds = %bb756, %bb595 + %termnum.6240.0 = phi i32 [ 2, %bb595 ], [ %termnum.6, %bb756 ] ; [#uses=1] + %tmp755 = add i32 %termnum.6240.0, 1 ; [#uses=1] + br label %bb756 + +bb756: ; preds = %bb609, %cond_next448 + %termnum.6 = phi i32 [ %tmp755, %bb609 ], [ 2, %cond_next448 ] ; [#uses=1] + br label %bb609 +} -- 2.11.0