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[LLVMdev] Adding dependency on MemoryDependenceAnalysis pass to LICM causes opt to get stuck in addPass
2011 Dec 14
2
[LLVMdev] Adding dependency on MemoryDependenceAnalysis pass to LICM causes opt to get stuck in addPass
I'm attempting to add some support for hoisting/sinking of memory-using intrinsics in loops, and so I want to use MemoryDependenceAnalysis in LICM, but when I modify getAnalysisUsge to include this : virtual void getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesCFG(); AU.addRequired<DominatorTree>(); AU.addRequired<LoopInfo>(); AU.addRequiredID(LoopSimplifyID); AU.addRequired<MemoryDependenceAnalysis>(); // &...
[LLVMdev] Adding dependency on MemoryDependenceAnalysis pass to LICM causes opt to get stuck in addPass
2011 Dec 14
0
[LLVMdev] Adding dependency on MemoryDependenceAnalysis pass to LICM causes opt to get stuck in addPass
On Dec 14, 2011, at 7:09 AM, David Gardner wrote: > I'm attempting to add some support for hoisting/sinking of memory-using > intrinsics in loops, and so I want to use MemoryDependenceAnalysis in > LICM, but when I modify getAnalysisUsge to include this : > > virtual void getAnalysisUsage(AnalysisUsage &AU) const { > AU.setPreservesCFG(); > AU.addRequired<DominatorTree>(); > AU.addRequired<LoopInfo>(); > AU.addRequiredID(LoopSimplifyID); > AU.addRequired<MemoryDe...