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New testcase that crashes preheaders 

llvm-svn: 5954
This commit is contained in:
Chris Lattner 2003-04-25 23:26:52 +00:00
parent ef8c8332b1
commit 35874f1e3c
2 changed files with 44 additions and 0 deletions
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22
llvm/test/Regression/Transforms/LoopPreheaders/2003-04-25-AssertFail.ll Normal file
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; 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
]
}

22
llvm/test/Regression/Transforms/LoopSimplify/2003-04-25-AssertFail.ll Normal file
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; 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
]
}