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[TTI] There is actually no realistic way to pop TTI implementations off

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the stack of the analysis group because they are all immutable passes.
This is made clear by Craig's recent work to use override
systematically -- we weren't overriding anything for 'finalizePass'
because there is no such thing.

This is kind of a lame restriction on the API -- we can no longer push
and pop things, we just set up the stack and run. However, I'm not
invested in building some better solution on top of the existing
(terrifying) immutable pass and legacy pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203437 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2014-03-10 02:45:14 +00:00
parent 804ff19273
commit 436906ab3c
9 changed files with 0 additions and 41 deletions
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10
lib/Analysis/TargetTransformInfo.cpp
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@@ -35,16 +35,6 @@ void TargetTransformInfo::pushTTIStack(Pass *P) {
PTTI->TopTTI = this;
}
void TargetTransformInfo::popTTIStack() {
TopTTI = 0;
// Walk up the chain and update the top TTI pointer.
for (TargetTransformInfo *PTTI = PrevTTI; PTTI; PTTI = PTTI->PrevTTI)
PTTI->TopTTI = PrevTTI;
PrevTTI = 0;
}
void TargetTransformInfo::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<TargetTransformInfo>();
}