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New testcase for PR284: [indvars] Induction variable analysis violates LLVM invariants

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llvm-svn: 12274
This commit is contained in:
Chris Lattner 2004-03-10 21:41:47 +00:00
parent f0e2e8f90d
commit af9963cb25
1 changed files with 27 additions and 0 deletions
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27
test/Regression/Transforms/IndVarsSimplify/2004-03-10-PHIInsertionBug.ll Normal file
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; RUN: llvm-as < %s | opt -indvars -disable-output
implementation ; Functions:
void %test() {
br label %endif.0.i
endif.0.i: ; preds = %then.0.i
br bool false, label %then.3.i, label %endif.3.i
then.3.i: ; preds = %endif.0.i
br label %endif.3.i
endif.3.i: ; preds = %endif.0.i, %then.3.i
%inxm.0.i = phi int [ 8, %then.3.i ], [ 0, %endif.0.i ]
%doinner.1.i = phi int [ 0, %then.3.i ], [ 0, %endif.0.i ]
br label %loopentry.2.i
loopentry.2.i: ; preds = %endif.3.i, %no_exit.2.i
%inxk.0.i = phi int [ %tmp.210.i, %no_exit.2.i ], [ 0, %endif.3.i ]
br label %no_exit.2.i
no_exit.2.i: ; preds = %loopentry.2.i
%tmp.210.i = sub int %inxk.0.i, %inxm.0.i
%tmp.213.i = add int %tmp.210.i, 0
br label %loopentry.2.i
}