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[Hexagon] Delete lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp

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llvm-svn: 250543
This commit is contained in:
Krzysztof Parzyszek 2015-10-16 19:51:53 +00:00
parent 93a70074b8
commit 779bdb3125
3 changed files with 0 additions and 96 deletions
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1
lib/Target/Hexagon/CMakeLists.txt
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@ -37,7 +37,6 @@ add_llvm_target(HexagonCodeGen
HexagonNewValueJump.cpp
HexagonPeephole.cpp
HexagonRegisterInfo.cpp
HexagonRemoveSZExtArgs.cpp
HexagonSelectionDAGInfo.cpp
HexagonSplitConst32AndConst64.cpp
HexagonStoreWidening.cpp

91
lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
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@ -1,91 +0,0 @@
//===- HexagonRemoveExtendArgs.cpp - Remove unnecessary argument sign extends //
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Pass that removes sign extends for function parameters. These parameters
// are already sign extended by the caller per Hexagon's ABI
//
//===----------------------------------------------------------------------===//
#include "Hexagon.h"
#include "HexagonTargetMachine.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Scalar.h"
using namespace llvm;
namespace llvm {
FunctionPass *createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM);
void initializeHexagonRemoveExtendArgsPass(PassRegistry&);
}
namespace {
struct HexagonRemoveExtendArgs : public FunctionPass {
public:
static char ID;
HexagonRemoveExtendArgs() : FunctionPass(ID) {
initializeHexagonRemoveExtendArgsPass(*PassRegistry::getPassRegistry());
}
bool runOnFunction(Function &F) override;
const char *getPassName() const override {
return "Remove sign extends";
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<MachineFunctionAnalysis>();
AU.addPreserved<MachineFunctionAnalysis>();
AU.addPreserved<StackProtector>();
FunctionPass::getAnalysisUsage(AU);
}
};
}
char HexagonRemoveExtendArgs::ID = 0;
INITIALIZE_PASS(HexagonRemoveExtendArgs, "reargs",
"Remove Sign and Zero Extends for Args", false, false)
bool HexagonRemoveExtendArgs::runOnFunction(Function &F) {
unsigned Idx = 1;
for (Function::arg_iterator AI = F.arg_begin(), AE = F.arg_end(); AI != AE;
++AI, ++Idx) {
if (F.getAttributes().hasAttribute(Idx, Attribute::SExt)) {
Argument* Arg = AI;
if (!isa<PointerType>(Arg->getType())) {
for (auto UI = Arg->user_begin(); UI != Arg->user_end();) {
if (isa<SExtInst>(*UI)) {
Instruction* I = cast<Instruction>(*UI);
SExtInst* SI = new SExtInst(Arg, I->getType());
assert (EVT::getEVT(SI->getType()) ==
(EVT::getEVT(I->getType())));
++UI;
I->replaceAllUsesWith(SI);
Instruction* First = F.getEntryBlock().begin();
SI->insertBefore(First);
I->eraseFromParent();
} else {
++UI;
}
}
}
}
}
return true;
}
FunctionPass*
llvm::createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM) {
return new HexagonRemoveExtendArgs();
}

4
lib/Target/Hexagon/HexagonTargetMachine.cpp
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@ -98,7 +98,6 @@ namespace llvm {
FunctionPass *createHexagonNewValueJump();
FunctionPass *createHexagonPacketizer();
FunctionPass *createHexagonPeephole();
FunctionPass *createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM);
FunctionPass *createHexagonSplitConst32AndConst64();
FunctionPass *createHexagonStoreWidening();
} // end namespace llvm;
@ -209,9 +208,6 @@ bool HexagonPassConfig::addInstSelector() {
HexagonTargetMachine &TM = getHexagonTargetMachine();
bool NoOpt = (getOptLevel() == CodeGenOpt::None);
if (!NoOpt)
addPass(createHexagonRemoveExtendArgs(TM));
addPass(createHexagonISelDag(TM, getOptLevel()));
if (!NoOpt) {