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new testcase that crashes indvars 

llvm-svn: 28849
This commit is contained in:
Chris Lattner 2006-06-17 01:01:30 +00:00
parent a54b9643aa
commit fefc14d891
1 changed files with 21 additions and 0 deletions
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21
llvm/test/Regression/Transforms/IndVarsSimplify/2006-06-16-Indvar-LCSSA-Crash.ll Normal file
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; RUN: llvm-as < %s | opt -indvars -disable-output
void %get_block() {
endif.0: ; preds = %entry
br label %no_exit.30
no_exit.30: ; preds = %no_exit.30, %endif.0
%x.12.0 = phi int [ %inc.28, %no_exit.30 ], [ -2, %endif.0 ] ; <int> [#uses=1]
%tmp.583 = load ushort* null ; <ushort> [#uses=1]
%tmp.584 = cast ushort %tmp.583 to int ; <int> [#uses=1]
%tmp.588 = load int* null ; <int> [#uses=1]
%tmp.589 = mul int %tmp.584, %tmp.588 ; <int> [#uses=1]
%tmp.591 = add int %tmp.589, 0 ; <int> [#uses=1]
%inc.28 = add int %x.12.0, 1 ; <int> [#uses=2]
%tmp.565 = setgt int %inc.28, 3 ; <bool> [#uses=1]
br bool %tmp.565, label %loopexit.30, label %no_exit.30
loopexit.30: ; preds = %no_exit.30
%tmp.591.lcssa = phi int [ %tmp.591, %no_exit.30 ] ; <int> [#uses=0]
ret void
}