search for: mysretaliasanalysi

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Did you mean: mysretaliasanalysis
2009 Nov 06
0
[LLVMdev] Functions: sret and readnone
...eclaration. Which is why I am trying to supply this additional information in a custom alias analysis pass, but it doesn't seem to work. (The AAEvalPass stats are precisely for this custom pass.) Could you take a look at the code, please? Am I missing something here? class VISIBILITY_HIDDEN MySretAliasAnalysis : public FunctionPass, public AliasAnalysis { std::map<std::string, bool> _srets; public: static char ID; MySretAliasAnalysis() : FunctionPass(&ID) { _srets["sample$int$float2"] = true; _srets["sample$int$float3"] = true; } void getAnalysisUsage(llvm::Ana...
2009 Nov 06
2
[LLVMdev] Functions: sret and readnone
Hi Stephan, > intrinsic float4 sample(int tex, float2 tc); > > float4 main(int tex, float2 tc) > { > float4 x = sample(tex, tc); > return 0.0; > } without additional information it would be wrong to remove the call to sample because it might write to a global variable. > As you can see, the call to the sample function is still present, > although the actual value