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new testcase for PR726

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llvm-svn: 27325
This commit is contained in:
Chris Lattner 2006-04-01 04:47:17 +00:00
parent 894231e63e
commit a8bc001cd3
1 changed files with 21 additions and 0 deletions
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test/Regression/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll Normal file
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret int 27'
; Make sure to compute the right exit value based on negative strides.
; PR726
int %test() {
entry:
br label %cond_true
cond_true: ; preds = %cond_true, %entry
%a.0.0 = phi int [ 10, %entry ], [ %tmp4, %cond_true ] ; <int> [#uses=2]
%b.0.0 = phi int [ 0, %entry ], [ %tmp2, %cond_true ] ; <int> [#uses=1]
%tmp2 = add int %b.0.0, %a.0.0 ; <int> [#uses=2]
%tmp4 = add int %a.0.0, -1 ; <int> [#uses=2]
%tmp = setgt int %tmp4, 7 ; <bool> [#uses=1]
br bool %tmp, label %cond_true, label %bb7
bb7: ; preds = %cond_true
ret int %tmp2
}