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[AMDGPU] Fix running ResourceUsageAnalysis

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Clear the map when running the analysis multiple times.
The assertion that should ensure that every function is only
analyzed once triggered sometimes (once every ~70 compiles of some
graphics pipelines) when two functions of subsequent runs were allocated
at the same address.

Differential Revision: https://reviews.llvm.org/D106452
This commit is contained in:
Sebastian Neubauer 2021-07-21 19:14:12 +02:00 committed by Sebastian Neubauer
parent 5995d46a94
commit 0e5d17756d
1 changed files with 9 additions and 1 deletions
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10
lib/Target/AMDGPU/AMDGPUResourceUsageAnalysis.h
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@ -51,13 +51,21 @@ public:
bool runOnSCC(CallGraphSCC &SCC) override;
bool doInitialization(CallGraph &CG) override {
CallGraphResourceInfo.clear();
return CallGraphSCCPass::doInitialization(CG);
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<MachineModuleInfoWrapperPass>();
AU.setPreservesAll();
}
const SIFunctionResourceInfo &getResourceInfo(const Function *F) const {
return CallGraphResourceInfo.find(F)->getSecond();
auto Info = CallGraphResourceInfo.find(F);
assert(Info != CallGraphResourceInfo.end() &&
"Failed to find resource info for function");
return Info->getSecond();
}
private: