#include <map>
#include <string>
#include <vector>
-//#include <iostream>
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/InstIterator.h"
+#include "llvm/IR/InstIterator.h"
+#include "llvm/Support/MutexGuard.h"
using namespace llvm;
typedef std::map<const Module *, global_val_annot_t> per_module_annot_t;
ManagedStatic<per_module_annot_t> annotationCache;
+static sys::Mutex Lock;
+void llvm::clearAnnotationCache(const llvm::Module *Mod) {
+ MutexGuard Guard(Lock);
+ annotationCache->erase(Mod);
+}
static void cacheAnnotationFromMD(const MDNode *md, key_val_pair_t &retval) {
+ MutexGuard Guard(Lock);
assert(md && "Invalid mdnode for annotation");
assert((md->getNumOperands() % 2) == 1 && "Invalid number of operands");
// start index = 1, to skip the global variable key
assert(prop && "Annotation property not a string");
// value
- ConstantInt *Val = dyn_cast<ConstantInt>(md->getOperand(i+1));
+ ConstantInt *Val = dyn_cast<ConstantInt>(md->getOperand(i + 1));
assert(Val && "Value operand not a constant int");
std::string keyname = prop->getString().str();
}
static void cacheAnnotationFromMD(const Module *m, const GlobalValue *gv) {
+ MutexGuard Guard(Lock);
NamedMDNode *NMD = m->getNamedMetadata(llvm::NamedMDForAnnotations);
if (!NMD)
return;
bool llvm::findOneNVVMAnnotation(const GlobalValue *gv, std::string prop,
unsigned &retval) {
+ MutexGuard Guard(Lock);
const Module *m = gv->getParent();
if ((*annotationCache).find(m) == (*annotationCache).end())
cacheAnnotationFromMD(m, gv);
bool llvm::findAllNVVMAnnotation(const GlobalValue *gv, std::string prop,
std::vector<unsigned> &retval) {
+ MutexGuard Guard(Lock);
const Module *m = gv->getParent();
if ((*annotationCache).find(m) == (*annotationCache).end())
cacheAnnotationFromMD(m, gv);
bool llvm::isTexture(const llvm::Value &val) {
if (const GlobalValue *gv = dyn_cast<GlobalValue>(&val)) {
unsigned annot;
- if (llvm::findOneNVVMAnnotation(gv,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISTEXTURE],
- annot)) {
+ if (llvm::findOneNVVMAnnotation(
+ gv, llvm::PropertyAnnotationNames[llvm::PROPERTY_ISTEXTURE],
+ annot)) {
assert((annot == 1) && "Unexpected annotation on a texture symbol");
return true;
}
bool llvm::isSurface(const llvm::Value &val) {
if (const GlobalValue *gv = dyn_cast<GlobalValue>(&val)) {
unsigned annot;
- if (llvm::findOneNVVMAnnotation(gv,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISSURFACE],
- annot)) {
+ if (llvm::findOneNVVMAnnotation(
+ gv, llvm::PropertyAnnotationNames[llvm::PROPERTY_ISSURFACE],
+ annot)) {
assert((annot == 1) && "Unexpected annotation on a surface symbol");
return true;
}
bool llvm::isSampler(const llvm::Value &val) {
if (const GlobalValue *gv = dyn_cast<GlobalValue>(&val)) {
unsigned annot;
- if (llvm::findOneNVVMAnnotation(gv,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISSAMPLER],
- annot)) {
+ if (llvm::findOneNVVMAnnotation(
+ gv, llvm::PropertyAnnotationNames[llvm::PROPERTY_ISSAMPLER],
+ annot)) {
assert((annot == 1) && "Unexpected annotation on a sampler symbol");
return true;
}
if (const Argument *arg = dyn_cast<Argument>(&val)) {
const Function *func = arg->getParent();
std::vector<unsigned> annot;
- if (llvm::findAllNVVMAnnotation(func,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISSAMPLER],
- annot)) {
+ if (llvm::findAllNVVMAnnotation(
+ func, llvm::PropertyAnnotationNames[llvm::PROPERTY_ISSAMPLER],
+ annot)) {
if (std::find(annot.begin(), annot.end(), arg->getArgNo()) != annot.end())
return true;
}
const Function *func = arg->getParent();
std::vector<unsigned> annot;
if (llvm::findAllNVVMAnnotation(func,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISREADONLY_IMAGE_PARAM],
- annot)) {
+ llvm::PropertyAnnotationNames[
+ llvm::PROPERTY_ISREADONLY_IMAGE_PARAM],
+ annot)) {
if (std::find(annot.begin(), annot.end(), arg->getArgNo()) != annot.end())
return true;
}
const Function *func = arg->getParent();
std::vector<unsigned> annot;
if (llvm::findAllNVVMAnnotation(func,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISWRITEONLY_IMAGE_PARAM],
- annot)) {
+ llvm::PropertyAnnotationNames[
+ llvm::PROPERTY_ISWRITEONLY_IMAGE_PARAM],
+ annot)) {
+ if (std::find(annot.begin(), annot.end(), arg->getArgNo()) != annot.end())
+ return true;
+ }
+ }
+ return false;
+}
+
+bool llvm::isImageReadWrite(const llvm::Value &val) {
+ if (const Argument *arg = dyn_cast<Argument>(&val)) {
+ const Function *func = arg->getParent();
+ std::vector<unsigned> annot;
+ if (llvm::findAllNVVMAnnotation(func,
+ llvm::PropertyAnnotationNames[
+ llvm::PROPERTY_ISREADWRITE_IMAGE_PARAM],
+ annot)) {
if (std::find(annot.begin(), annot.end(), arg->getArgNo()) != annot.end())
return true;
}
}
bool llvm::isImage(const llvm::Value &val) {
- return llvm::isImageReadOnly(val) || llvm::isImageWriteOnly(val);
+ return llvm::isImageReadOnly(val) || llvm::isImageWriteOnly(val) ||
+ llvm::isImageReadWrite(val);
+}
+
+bool llvm::isManaged(const llvm::Value &val) {
+ if(const GlobalValue *gv = dyn_cast<GlobalValue>(&val)) {
+ unsigned annot;
+ if(llvm::findOneNVVMAnnotation(gv,
+ llvm::PropertyAnnotationNames[llvm::PROPERTY_MANAGED],
+ annot)) {
+ assert((annot == 1) && "Unexpected annotation on a managed symbol");
+ return true;
+ }
+ }
+ return false;
}
std::string llvm::getTextureName(const llvm::Value &val) {
}
bool llvm::getMaxNTIDx(const Function &F, unsigned &x) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_MAXNTID_X],
- x));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_MAXNTID_X], x));
}
bool llvm::getMaxNTIDy(const Function &F, unsigned &y) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_MAXNTID_Y],
- y));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_MAXNTID_Y], y));
}
bool llvm::getMaxNTIDz(const Function &F, unsigned &z) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_MAXNTID_Z],
- z));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_MAXNTID_Z], z));
}
bool llvm::getReqNTIDx(const Function &F, unsigned &x) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_REQNTID_X],
- x));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_REQNTID_X], x));
}
bool llvm::getReqNTIDy(const Function &F, unsigned &y) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_REQNTID_Y],
- y));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_REQNTID_Y], y));
}
bool llvm::getReqNTIDz(const Function &F, unsigned &z) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_REQNTID_Z],
- z));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_REQNTID_Z], z));
}
bool llvm::getMinCTASm(const Function &F, unsigned &x) {
- return (llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_MINNCTAPERSM],
- x));
+ return (llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_MINNCTAPERSM], x));
}
bool llvm::isKernelFunction(const Function &F) {
unsigned x = 0;
- bool retval = llvm::findOneNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ISKERNEL_FUNCTION],
- x);
+ bool retval = llvm::findOneNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_ISKERNEL_FUNCTION], x);
if (retval == false) {
// There is no NVVM metadata, check the calling convention
if (F.getCallingConv() == llvm::CallingConv::PTX_Kernel)
else
return false;
}
- return (x==1);
+ return (x == 1);
}
bool llvm::getAlign(const Function &F, unsigned index, unsigned &align) {
std::vector<unsigned> Vs;
- bool retval = llvm::findAllNVVMAnnotation(&F,
- llvm::PropertyAnnotationNames[llvm::PROPERTY_ALIGN],
- Vs);
+ bool retval = llvm::findAllNVVMAnnotation(
+ &F, llvm::PropertyAnnotationNames[llvm::PROPERTY_ALIGN], Vs);
if (retval == false)
return false;
- for (int i=0, e=Vs.size(); i<e; i++) {
+ for (int i = 0, e = Vs.size(); i < e; i++) {
unsigned v = Vs[i];
- if ( (v >> 16) == index ) {
- align = v & 0xFFFF;
+ if ((v >> 16) == index) {
+ align = v & 0xFFFF;
return true;
}
}
bool llvm::getAlign(const CallInst &I, unsigned index, unsigned &align) {
if (MDNode *alignNode = I.getMetadata("callalign")) {
- for (int i=0, n = alignNode->getNumOperands();
- i<n; i++) {
+ for (int i = 0, n = alignNode->getNumOperands(); i < n; i++) {
if (const ConstantInt *CI =
- dyn_cast<ConstantInt>(alignNode->getOperand(i))) {
+ dyn_cast<ConstantInt>(alignNode->getOperand(i))) {
unsigned v = CI->getZExtValue();
- if ( (v>>16) == index ) {
+ if ((v >> 16) == index) {
align = v & 0xFFFF;
return true;
}
- if ( (v>>16) > index ) {
+ if ((v >> 16) > index) {
return false;
}
}
// consider several special intrinsics in striping pointer casts, and
// provide an option to ignore GEP indicies for find out the base address only
// which could be used in simple alias disambigurate.
-const Value *llvm::skipPointerTransfer(const Value *V,
- bool ignore_GEP_indices) {
+const Value *
+llvm::skipPointerTransfer(const Value *V, bool ignore_GEP_indices) {
V = V->stripPointerCasts();
while (true) {
if (const IntrinsicInst *IS = dyn_cast<IntrinsicInst>(V)) {
// - ignore GEP indicies for find out the base address only, and
// - tracking PHINode
// which could be used in simple alias disambigurate.
-const Value *llvm::skipPointerTransfer(const Value *V,
- std::set<const Value *> &processed) {
+const Value *
+llvm::skipPointerTransfer(const Value *V, std::set<const Value *> &processed) {
if (processed.find(V) != processed.end())
- return NULL;
+ return nullptr;
processed.insert(V);
const Value *V2 = V->stripPointerCasts();
if (V2 != V && processed.find(V2) != processed.end())
- return NULL;
+ return nullptr;
processed.insert(V2);
V = V2;
continue;
} else if (const PHINode *PN = dyn_cast<PHINode>(V)) {
if (V != V2 && processed.find(V) != processed.end())
- return NULL;
+ return nullptr;
processed.insert(PN);
- const Value *common = 0;
+ const Value *common = nullptr;
for (unsigned i = 0; i != PN->getNumIncomingValues(); ++i) {
const Value *pv = PN->getIncomingValue(i);
const Value *base = skipPointerTransfer(pv, processed);
if (base) {
- if (common == 0)
+ if (!common)
common = base;
else if (common != base)
return PN;
}
}
- if (common == 0)
+ if (!common)
return PN;
V = common;
}
return V;
}
-
// The following are some useful utilities for debuggung
BasicBlock *llvm::getParentBlock(Value *v) {
if (Instruction *I = dyn_cast<Instruction>(v))
return I->getParent();
- return 0;
+ return nullptr;
}
Function *llvm::getParentFunction(Value *v) {
if (BasicBlock *B = dyn_cast<BasicBlock>(v))
return B->getParent();
- return 0;
+ return nullptr;
}
// Dump a block by name
void llvm::dumpBlock(Value *v, char *blockName) {
Function *F = getParentFunction(v);
- if (F == 0)
+ if (!F)
return;
for (Function::iterator it = F->begin(), ie = F->end(); it != ie; ++it) {
// Find an instruction by name
Instruction *llvm::getInst(Value *base, char *instName) {
Function *F = getParentFunction(base);
- if (F == 0)
- return 0;
+ if (!F)
+ return nullptr;
for (inst_iterator it = inst_begin(F), ie = inst_end(F); it != ie; ++it) {
Instruction *I = &*it;
}
}
- return 0;
+ return nullptr;
}
// Dump an instruction by nane
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