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New testcase for PR532

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llvm-svn: 20492
This commit is contained in:
Chris Lattner 2005-03-06 20:56:55 +00:00
parent ef140e77e6
commit 7ca2ddfbb8
1 changed files with 29 additions and 0 deletions
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29
test/Regression/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll Normal file
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; RUN: llvm-as < %s | opt -loop-unroll -loopsimplify -disable-output
implementation ; Functions:
void %print_board() {
entry:
br label %no_exit.1
no_exit.1: ; preds = %cond_false.2, %entry
br label %no_exit.2
no_exit.2: ; preds = %no_exit.2, %no_exit.1
%indvar1 = phi uint [ 0, %no_exit.1 ], [ %indvar.next2, %no_exit.2 ] ; <uint> [#uses=1]
%indvar.next2 = add uint %indvar1, 1 ; <uint> [#uses=2]
%exitcond3 = setne uint %indvar.next2, 7 ; <bool> [#uses=1]
br bool %exitcond3, label %no_exit.2, label %loopexit.2
loopexit.2: ; preds = %no_exit.2
br bool false, label %cond_true.2, label %cond_false.2
cond_true.2: ; preds = %loopexit.2
ret void
cond_false.2: ; preds = %loopexit.2
br bool false, label %no_exit.1, label %loopexit.1
loopexit.1: ; preds = %cond_false.2
ret void
}