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AMDGPU: Add option to run the load/store vectorizer
llvm-svn: 274329
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@ -39,6 +39,7 @@
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#include "llvm/Transforms/IPO.h"
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#include "llvm/Transforms/Scalar.h"
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#include "llvm/Transforms/Scalar/GVN.h"
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#include "llvm/Transforms/Vectorize.h"
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using namespace llvm;
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@ -59,6 +60,13 @@ static cl::opt<bool> EnableR600IfConvert(
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cl::ReallyHidden,
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cl::init(true));
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// Option to disable vectorizer for tests.
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static cl::opt<bool> EnableLoadStoreVectorizer(
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"amdgpu-load-store-vectorizer",
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cl::desc("Enable load store vectorizer"),
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cl::init(false),
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cl::Hidden);
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extern "C" void LLVMInitializeAMDGPUTarget() {
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// Register the target
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RegisterTargetMachine<R600TargetMachine> X(TheAMDGPUTarget);
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@ -267,6 +275,7 @@ public:
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void addEarlyCSEOrGVNPass();
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void addStraightLineScalarOptimizationPasses();
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void addIRPasses() override;
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void addCodeGenPrepare() override;
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bool addPreISel() override;
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bool addInstSelector() override;
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bool addGCPasses() override;
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@ -392,6 +401,13 @@ void AMDGPUPassConfig::addIRPasses() {
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addEarlyCSEOrGVNPass();
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}
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void AMDGPUPassConfig::addCodeGenPrepare() {
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TargetPassConfig::addCodeGenPrepare();
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if (EnableLoadStoreVectorizer)
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addPass(createLoadStoreVectorizerPass());
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}
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bool AMDGPUPassConfig::addPreISel() {
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addPass(createFlattenCFGPass());
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return false;
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