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Specify that indvars actually preserve LCSSA. This has been done for a while, but I

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forgot to put in the analysis usage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29867 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2006-08-25 03:32:13 +00:00
parent 0ff2d31766
commit 8a24749cb8
1 changed files with 3 additions and 0 deletions
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3
lib/Transforms/Scalar/IndVarSimplify.cpp
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@ -79,6 +79,7 @@ namespace {
AU.addRequired<ScalarEvolution>();
AU.addRequired<LoopInfo>();
AU.addPreservedID(LoopSimplifyID);
AU.addPreservedID(LCSSAID);
AU.setPreservesCFG();
}
private:
@ -570,4 +571,6 @@ void IndVarSimplify::runOnLoop(Loop *L) {
#endif
DeleteTriviallyDeadInstructions(DeadInsts);
assert(L->isLCSSAForm());
}