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[LLVMdev] Detect if a basicblock is part of a loop
2012 Apr 26
2
[LLVMdev] Detect if a basicblock is part of a loop
...iliary function, for example), you could create this information by simply creating a DominatorTreeBase of your function and using it to calculate the LoopInfo, as below: DominatorTreeBase<BasicBlock> *DTB; DTB = new DominatorTreeBase<BasicBlock>(false); DTB->recalculate(*AuxFunction); LoopInfoBase<BasicBlock, Loop> LIB; LIB.Calculate(*DTB); Cheers, -- Cristianno Martins PhD Student of Computer Science University of Campinas cmartins at ic.unicamp.br On Thursday, 26 de April de 2012 at 11:57, Hal Finkel wrote: > Rinaldini, > > What exactly did...
[LLVMdev] Detect if a basicblock is part of a loop
2012 Apr 26
0
[LLVMdev] Detect if a basicblock is part of a loop
...iliary function, for example), you could create this information by simply creating a DominatorTreeBase of your function and using it to calculate the LoopInfo, as below: DominatorTreeBase<BasicBlock> *DTB; DTB = new DominatorTreeBase<BasicBlock>(false); DTB->recalculate(*AuxFunction); LoopInfoBase<BasicBlock, Loop> LIB; LIB.Calculate(*DTB); Cheers, -- Cristianno Martins PhD Student of Computer Science University of Campinas cmartins at ic.unicamp.br On Thursday, 26 de April de 2012 at 11:57, Hal Finkel wrote: Rinaldini, What exactly did you run? Specifi...
[LLVMdev] Detect if a basicblock is part of a loop
2012 Apr 26
0
[LLVMdev] Detect if a basicblock is part of a loop
Rinaldini, What exactly did you run? Specifically, you may be missing some analysis passes that are necessary for LoopInfo to have the loop information you desire. -Hal On Thu, 26 Apr 2012 14:02:04 +0000 Rinaldini Julien <julien.rinaldini at heig-vd.ch> wrote: > Hi, > > I'm trying to detect if a basicblock is part of a loop or not. > > I tried the llvm::LoopInfo
[LLVMdev] Detect if a basicblock is part of a loop
2012 Apr 26
2
[LLVMdev] Detect if a basicblock is part of a loop
Hi, I'm trying to detect if a basicblock is part of a loop or not. I tried the llvm::LoopInfo like that (http://llvm.org/docs/doxygen/html/classllvm_1_1LoopInfo.html#a4abca289c73cd09487e05d11d9f7d877): LoopInfo *loop = new LoopInfo(); bool isLoop = loop->getLoopFor(myBB); // getLoopFor - Return the inner most loop that BB lives in. If a basic block is in no loop (for example the entry
[LLVMdev] RE : Detect if a basicblock is part of a loop
2012 Apr 27
4
[LLVMdev] RE : Detect if a basicblock is part of a loop
..., for example), you could create this information by simply creating a DominatorTreeBase of your function and using it to calculate the LoopInfo, as below: > DominatorTreeBase<BasicBlock> *DTB; > DTB = new DominatorTreeBase<BasicBlock>(false); > DTB->recalculate(*AuxFunction); > > LoopInfoBase<BasicBlock, Loop> LIB; > LIB.Calculate(*DTB); > > Cheers, > -- > Cristianno Martins > PhD Student of Computer Science > University of Campinas > cmartins at ic.unicamp.br Thx, I'll try that... I guess I missed the Dominator ste...