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R600: Add option to disable promote alloca
ClosedPublic

Authored by arsenm on Jun 26 2014, 10:56 PM.

Reviewers

arsenm

Summary

This can make writing some tests harder, so add a flag to disable it.

arsenm retitled this revision from to R600: Add option to disable promote alloca .

arsenm updated this object.

arsenm edited the test plan for this revision. (Show Details)

arsenm added a subscriber: Unknown Object (MLST).

Use subtarget feature

r212893

This revision is now accepted and ready to land.Jul 12 2014, 7:17 PM

Path

Size

lib/

Target/

R600/

13 lines

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	#include "llvm/Transforms/Scalar.h"	#include "llvm/Transforms/Scalar.h"
	#include <llvm/CodeGen/Passes.h>	#include <llvm/CodeGen/Passes.h>


	using namespace llvm;	using namespace llvm;

		static cl::opt<bool> DisablePromoteAlloca(
		"disable-amdgpu-promote-alloca",
		cl::Hidden,
		cl::desc("Disable Promote Alloca for R600"));

	extern "C" void LLVMInitializeR600Target() {	extern "C" void LLVMInitializeR600Target() {
	// Register the target	// Register the target
	RegisterTargetMachine<AMDGPUTargetMachine> X(TheAMDGPUTarget);	RegisterTargetMachine<AMDGPUTargetMachine> X(TheAMDGPUTarget);
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	void AMDGPUPassConfig::addCodeGenPrepare() {	void AMDGPUPassConfig::addCodeGenPrepare() {
	const AMDGPUSubtarget &ST = TM->getSubtarget<AMDGPUSubtarget>();	const AMDGPUSubtarget &ST = TM->getSubtarget<AMDGPUSubtarget>();
	addPass(createAMDGPUPromoteAlloca(ST));	if (!DisablePromoteAlloca) {
	addPass(createSROAPass());	addPass(createAMDGPUPromoteAlloca(ST));
		addPass(createSROAPass());
		}

	TargetPassConfig::addCodeGenPrepare();	TargetPassConfig::addCodeGenPrepare();
	}	}

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