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AMDGPU: SIDebuggerInsertNops preserves CFG
This saves an additional run of the DominatorTree and MachineLoopInfo llvm-svn: 271444
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@ -59,6 +59,7 @@ extern "C" void LLVMInitializeAMDGPUTarget() {
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initializeSIInsertWaitsPass(*PR);
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initializeSIWholeQuadModePass(*PR);
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initializeSILowerControlFlowPass(*PR);
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initializeSIDebuggerInsertNopsPass(*PR);
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}
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static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
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@ -39,6 +39,11 @@ public:
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SIDebuggerInsertNops() : MachineFunctionPass(ID) { }
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const char *getPassName() const override { return PASS_NAME; }
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesCFG();
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MachineFunctionPass::getAnalysisUsage(AU);
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}
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bool runOnMachineFunction(MachineFunction &MF) override;
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};
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