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A testcase that we miscompile, noticed from the demo page. 

llvm-svn: 20336
This commit is contained in:
Chris Lattner 2005-02-26 18:49:04 +00:00
parent 435829f89b
commit 67bf757d0a
1 changed files with 19 additions and 0 deletions
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llvm/test/Regression/Transforms/IndVarsSimplify/2005-02-26-ExitValueCompute.ll Normal file
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret int 152'
int %main() {
entry:
br label %no_exit
no_exit: ; preds = %no_exit, %entry
%i.1.0 = phi int [ 0, %entry ], [ %inc, %no_exit ] ; <int> [#uses=2]
%tmp.4 = setgt int %i.1.0, 50 ; <bool> [#uses=1]
%tmp.7 = select bool %tmp.4, int 100, int 0 ; <int> [#uses=1]
%i.0 = add int %i.1.0, 1 ; <int> [#uses=1]
%inc = add int %i.0, %tmp.7 ; <int> [#uses=3]
%tmp.1 = setlt int %inc, 100 ; <bool> [#uses=1]
br bool %tmp.1, label %no_exit, label %loopexit
loopexit: ; preds = %no_exit
ret int %inc
}