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GPGPU: Free options to avoid memory leak 

ppcg does not free the option structs for us. To avoid a memory leak we do this
ourselves.

llvm-svn: 275546
This commit is contained in:
Tobias Grosser 2016-07-15 10:32:22 +00:00
parent 713bdc01fb
commit b307ed4d08
1 changed files with 14 additions and 0 deletions
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14
polly/lib/CodeGen/PPCGCodeGeneration.cpp
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@ -619,12 +619,26 @@ public:
free(PPCGGen);
}
/// Free the options in the ppcg scop structure.
///
/// ppcg is not freeing these options for us. To avoid leaks we do this
/// ourselves.
///
/// @param PPCGScop The scop referencing the options to free.
void freeOptions(ppcg_scop *PPCGScop) {
free(PPCGScop->options->debug);
PPCGScop->options->debug = nullptr;
free(PPCGScop->options);
PPCGScop->options = nullptr;
}
bool runOnScop(Scop &CurrentScop) override {
S = &CurrentScop;
auto PPCGScop = createPPCGScop();
auto PPCGProg = createPPCGProg(PPCGScop);
auto PPCGGen = generateGPU(PPCGScop, PPCGProg);
freeOptions(PPCGScop);
freePPCGGen(PPCGGen);
gpu_prog_free(PPCGProg);
ppcg_scop_free(PPCGScop);