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[RegionInfo] Use RegionInfo* instead of RegionInfoPass* as graph type 

This allows printing region graphs when only the RegionInfo (e.g. Region::getRegionInfo()), but no RegionInfoPass object is available.

Specifically, we will use this to print RegionInfo graphs in the debugger.

Differential version: http://reviews.llvm.org/D11874

Reviewed-by: grosser
llvm-svn: 244442
This commit is contained in:
Michael Kruse 2015-08-10 12:57:23 +00:00
parent e3d9a2f1c9
commit e838e72f3e
1 changed files with 63 additions and 57 deletions
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120
llvm/lib/Analysis/RegionPrinter.cpp
View File

@ -55,25 +55,22 @@ struct DOTGraphTraits<RegionNode*> : public DefaultDOTGraphTraits {
}
};
template<>
struct DOTGraphTraits<RegionInfoPass*> : public DOTGraphTraits<RegionNode*> {
template <>
struct DOTGraphTraits<RegionInfo *> : public DOTGraphTraits<RegionNode *> {
DOTGraphTraits (bool isSimple = false)
: DOTGraphTraits<RegionNode*>(isSimple) {}
static std::string getGraphName(RegionInfoPass *DT) {
return "Region Graph";
}
static std::string getGraphName(const RegionInfo *) { return "Region Graph"; }
std::string getNodeLabel(RegionNode *Node, RegionInfoPass *G) {
RegionInfo &RI = G->getRegionInfo();
return DOTGraphTraits<RegionNode*>::getNodeLabel(Node,
reinterpret_cast<RegionNode*>(RI.getTopLevelRegion()));
std::string getNodeLabel(RegionNode *Node, RegionInfo *G) {
return DOTGraphTraits<RegionNode *>::getNodeLabel(
Node, reinterpret_cast<RegionNode *>(G->getTopLevelRegion()));
}
std::string getEdgeAttributes(RegionNode *srcNode,
GraphTraits<RegionInfo*>::ChildIteratorType CI, RegionInfoPass *G) {
RegionInfo &RI = G->getRegionInfo();
GraphTraits<RegionInfo *>::ChildIteratorType CI,
RegionInfo *G) {
RegionNode *destNode = *CI;
if (srcNode->isSubRegion() || destNode->isSubRegion())
@ -83,7 +80,7 @@ struct DOTGraphTraits<RegionInfoPass*> : public DOTGraphTraits<RegionNode*> {
BasicBlock *srcBB = srcNode->getNodeAs<BasicBlock>();
BasicBlock *destBB = destNode->getNodeAs<BasicBlock>();
Region *R = RI.getRegionFor(destBB);
Region *R = G->getRegionFor(destBB);
while (R && R->getParent())
if (R->getParent()->getEntry() == destBB)
@ -91,7 +88,7 @@ struct DOTGraphTraits<RegionInfoPass*> : public DOTGraphTraits<RegionNode*> {
else
break;
if (R->getEntry() == destBB && R->contains(srcBB))
if (R && R->getEntry() == destBB && R->contains(srcBB))
return "constraint=false";
return "";
@ -99,8 +96,7 @@ struct DOTGraphTraits<RegionInfoPass*> : public DOTGraphTraits<RegionNode*> {
// Print the cluster of the subregions. This groups the single basic blocks
// and adds a different background color for each group.
static void printRegionCluster(const Region &R,
GraphWriter<RegionInfoPass*> &GW,
static void printRegionCluster(const Region &R, GraphWriter<RegionInfo *> &GW,
unsigned depth = 0) {
raw_ostream &O = GW.getOStream();
O.indent(2 * depth) << "subgraph cluster_" << static_cast<const void*>(&R)
@ -132,50 +128,81 @@ struct DOTGraphTraits<RegionInfoPass*> : public DOTGraphTraits<RegionNode*> {
O.indent(2 * depth) << "}\n";
}
static void addCustomGraphFeatures(const RegionInfoPass* RIP,
GraphWriter<RegionInfoPass*> &GW) {
const RegionInfo &RI = RIP->getRegionInfo();
static void addCustomGraphFeatures(const RegionInfo *G,
GraphWriter<RegionInfo *> &GW) {
raw_ostream &O = GW.getOStream();
O << "\tcolorscheme = \"paired12\"\n";
printRegionCluster(*RI.getTopLevelRegion(), GW, 4);
printRegionCluster(*G->getTopLevelRegion(), GW, 4);
}
};
} //end namespace llvm
namespace {
struct RegionViewer
: public DOTGraphTraitsViewer<RegionInfoPass, false> {
struct RegionInfoPassGraphTraits {
static RegionInfo *getGraph(RegionInfoPass *RIP) {
return &RIP->getRegionInfo();
}
};
struct RegionPrinter
: public DOTGraphTraitsPrinter<RegionInfoPass, false, RegionInfo *,
RegionInfoPassGraphTraits> {
static char ID;
RegionViewer() : DOTGraphTraitsViewer<RegionInfoPass, false>("reg", ID){
RegionPrinter()
: DOTGraphTraitsPrinter<RegionInfoPass, false, RegionInfo *,
RegionInfoPassGraphTraits>("reg", ID) {
initializeRegionPrinterPass(*PassRegistry::getPassRegistry());
}
};
char RegionPrinter::ID = 0;
struct RegionOnlyPrinter
: public DOTGraphTraitsPrinter<RegionInfoPass, true, RegionInfo *,
RegionInfoPassGraphTraits> {
static char ID;
RegionOnlyPrinter()
: DOTGraphTraitsPrinter<RegionInfoPass, true, RegionInfo *,
RegionInfoPassGraphTraits>("reg", ID) {
initializeRegionOnlyPrinterPass(*PassRegistry::getPassRegistry());
}
};
char RegionOnlyPrinter::ID = 0;
struct RegionViewer
: public DOTGraphTraitsViewer<RegionInfoPass, false, RegionInfo *,
RegionInfoPassGraphTraits> {
static char ID;
RegionViewer()
: DOTGraphTraitsViewer<RegionInfoPass, false, RegionInfo *,
RegionInfoPassGraphTraits>("reg", ID) {
initializeRegionViewerPass(*PassRegistry::getPassRegistry());
}
};
char RegionViewer::ID = 0;
struct RegionOnlyViewer
: public DOTGraphTraitsViewer<RegionInfoPass, true> {
: public DOTGraphTraitsViewer<RegionInfoPass, true, RegionInfo *,
RegionInfoPassGraphTraits> {
static char ID;
RegionOnlyViewer() : DOTGraphTraitsViewer<RegionInfoPass, true>("regonly", ID) {
RegionOnlyViewer()
: DOTGraphTraitsViewer<RegionInfoPass, true, RegionInfo *,
RegionInfoPassGraphTraits>("regonly", ID) {
initializeRegionOnlyViewerPass(*PassRegistry::getPassRegistry());
}
};
char RegionOnlyViewer::ID = 0;
struct RegionPrinter
: public DOTGraphTraitsPrinter<RegionInfoPass, false> {
static char ID;
RegionPrinter() :
DOTGraphTraitsPrinter<RegionInfoPass, false>("reg", ID) {
initializeRegionPrinterPass(*PassRegistry::getPassRegistry());
}
};
char RegionPrinter::ID = 0;
} //end anonymous namespace
INITIALIZE_PASS(RegionPrinter, "dot-regions",
"Print regions of function to 'dot' file", true, true)
INITIALIZE_PASS(
RegionOnlyPrinter, "dot-regions-only",
"Print regions of function to 'dot' file (with no function bodies)", true,
true)
INITIALIZE_PASS(RegionViewer, "view-regions", "View regions of function",
true, true)
@ -183,25 +210,12 @@ INITIALIZE_PASS(RegionOnlyViewer, "view-regions-only",
"View regions of function (with no function bodies)",
true, true)
namespace {
struct RegionOnlyPrinter
: public DOTGraphTraitsPrinter<RegionInfoPass, true> {
static char ID;
RegionOnlyPrinter() :
DOTGraphTraitsPrinter<RegionInfoPass, true>("reg", ID) {
initializeRegionOnlyPrinterPass(*PassRegistry::getPassRegistry());
}
};
FunctionPass *llvm::createRegionPrinterPass() { return new RegionPrinter(); }
FunctionPass *llvm::createRegionOnlyPrinterPass() {
return new RegionOnlyPrinter();
}
char RegionOnlyPrinter::ID = 0;
INITIALIZE_PASS(RegionOnlyPrinter, "dot-regions-only",
"Print regions of function to 'dot' file "
"(with no function bodies)",
true, true)
FunctionPass* llvm::createRegionViewerPass() {
return new RegionViewer();
}
@ -210,11 +224,3 @@ FunctionPass* llvm::createRegionOnlyViewerPass() {
return new RegionOnlyViewer();
}
FunctionPass* llvm::createRegionPrinterPass() {
return new RegionPrinter();
}
FunctionPass* llvm::createRegionOnlyPrinterPass() {
return new RegionOnlyPrinter();
}