From 35874f1e3c7ca84faf8d9c54369902d89be701e0 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 25 Apr 2003 23:26:52 +0000 Subject: [PATCH] New testcase that crashes preheaders llvm-svn: 5954 --- .../LoopPreheaders/2003-04-25-AssertFail.ll | 22 +++++++++++++++++++ .../LoopSimplify/2003-04-25-AssertFail.ll | 22 +++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 llvm/test/Regression/Transforms/LoopPreheaders/2003-04-25-AssertFail.ll create mode 100644 llvm/test/Regression/Transforms/LoopSimplify/2003-04-25-AssertFail.ll diff --git a/llvm/test/Regression/Transforms/LoopPreheaders/2003-04-25-AssertFail.ll b/llvm/test/Regression/Transforms/LoopPreheaders/2003-04-25-AssertFail.ll new file mode 100644 index 000000000000..968c34fd17d9 --- /dev/null +++ b/llvm/test/Regression/Transforms/LoopPreheaders/2003-04-25-AssertFail.ll @@ -0,0 +1,22 @@ +; RUN: as < %s | opt -preheaders + +implementation ; Functions: + +int %yylex() { ; No predecessors! + br label %loopentry.0 + +loopentry.0: ; preds = %0, %yy_find_action, %else.4 + br label %loopexit.2 + +loopexit.2: ; preds = %loopentry.0, %else.4, %loopexit.2 + br bool false, label %loopexit.2, label %else.4 + +yy_find_action: ; preds = %loopexit.2, %else.4 + br label %else.4 + +else.4: ; preds = %yy_find_action + switch uint 0, label %loopexit.2 [ + uint 2, label %yy_find_action + uint 0, label %loopentry.0 + ] +} diff --git a/llvm/test/Regression/Transforms/LoopSimplify/2003-04-25-AssertFail.ll b/llvm/test/Regression/Transforms/LoopSimplify/2003-04-25-AssertFail.ll new file mode 100644 index 000000000000..968c34fd17d9 --- /dev/null +++ b/llvm/test/Regression/Transforms/LoopSimplify/2003-04-25-AssertFail.ll @@ -0,0 +1,22 @@ +; RUN: as < %s | opt -preheaders + +implementation ; Functions: + +int %yylex() { ; No predecessors! + br label %loopentry.0 + +loopentry.0: ; preds = %0, %yy_find_action, %else.4 + br label %loopexit.2 + +loopexit.2: ; preds = %loopentry.0, %else.4, %loopexit.2 + br bool false, label %loopexit.2, label %else.4 + +yy_find_action: ; preds = %loopexit.2, %else.4 + br label %else.4 + +else.4: ; preds = %yy_find_action + switch uint 0, label %loopexit.2 [ + uint 2, label %yy_find_action + uint 0, label %loopentry.0 + ] +}