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Region: Allow user control the printing style of the print function.

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Contributed by: etherzhhb@gmail.com

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128808 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tobias Grosser 2011-04-04 07:19:18 +00:00
parent 10fdd5a0f6
commit cc5d992bc1
2 changed files with 21 additions and 17 deletions
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6
include/llvm/Analysis/RegionInfo.h
View File

@ -335,12 +335,16 @@ public:
return RI;
}
/// PrintStyle - Print region in difference ways.
enum PrintStyle { PrintNone, PrintBB, PrintRN };
/// @brief Print the region.
///
/// @param OS The output stream the Region is printed to.
/// @param printTree Print also the tree of subregions.
/// @param level The indentation level used for printing.
void print(raw_ostream& OS, bool printTree = true, unsigned level = 0) const;
void print(raw_ostream& OS, bool printTree = true, unsigned level = 0,
enum PrintStyle Style = PrintNone) const;
/// @brief Print the region to stderr.
void dump() const;

32
lib/Analysis/RegionInfo.cpp
View File

@ -41,16 +41,15 @@ VerifyRegionInfoX("verify-region-info", cl::location(VerifyRegionInfo),
STATISTIC(numRegions, "The # of regions");
STATISTIC(numSimpleRegions, "The # of simple regions");
//===----------------------------------------------------------------------===//
/// PrintStyle - Print region in difference ways.
enum PrintStyle { PrintNone, PrintBB, PrintRN };
static cl::opt<enum PrintStyle> printStyle("print-region-style", cl::Hidden,
static cl::opt<enum Region::PrintStyle> printStyle("print-region-style",
cl::Hidden,
cl::desc("style of printing regions"),
cl::values(
clEnumValN(PrintNone, "none", "print no details"),
clEnumValN(PrintBB, "bb", "print regions in detail with block_iterator"),
clEnumValN(PrintRN, "rn", "print regions in detail with element_iterator"),
clEnumValN(Region::PrintNone, "none", "print no details"),
clEnumValN(Region::PrintBB, "bb",
"print regions in detail with block_iterator"),
clEnumValN(Region::PrintRN, "rn",
"print regions in detail with element_iterator"),
clEnumValEnd));
//===----------------------------------------------------------------------===//
/// Region Implementation
@ -413,7 +412,8 @@ Region *Region::getExpandedRegion() const {
return new Region(getEntry(), R->getExit(), RI, DT);
}
void Region::print(raw_ostream &OS, bool print_tree, unsigned level) const {
void Region::print(raw_ostream &OS, bool print_tree, unsigned level,
enum PrintStyle Style) const {
if (print_tree)
OS.indent(level*2) << "[" << level << "] " << getNameStr();
else
@ -422,14 +422,14 @@ void Region::print(raw_ostream &OS, bool print_tree, unsigned level) const {
OS << "\n";
if (printStyle != PrintNone) {
if (Style != PrintNone) {
OS.indent(level*2) << "{\n";
OS.indent(level*2 + 2);
if (printStyle == PrintBB) {
if (Style == PrintBB) {
for (const_block_iterator I = block_begin(), E = block_end(); I!=E; ++I)
OS << **I << ", "; // TODO: remove the last ","
} else if (printStyle == PrintRN) {
} else if (Style == PrintRN) {
for (const_element_iterator I = element_begin(), E = element_end(); I!=E; ++I)
OS << **I << ", "; // TODO: remove the last ",
}
@ -439,14 +439,14 @@ void Region::print(raw_ostream &OS, bool print_tree, unsigned level) const {
if (print_tree)
for (const_iterator RI = begin(), RE = end(); RI != RE; ++RI)
(*RI)->print(OS, print_tree, level+1);
(*RI)->print(OS, print_tree, level+1, Style);
if (printStyle != PrintNone)
if (Style != PrintNone)
OS.indent(level*2) << "} \n";
}
void Region::dump() const {
print(dbgs(), true, getDepth());
print(dbgs(), true, getDepth(), printStyle.getValue());
}
void Region::clearNodeCache() {
@ -714,7 +714,7 @@ void RegionInfo::getAnalysisUsage(AnalysisUsage &AU) const {
void RegionInfo::print(raw_ostream &OS, const Module *) const {
OS << "Region tree:\n";
TopLevelRegion->print(OS, true, 0);
TopLevelRegion->print(OS, true, 0, printStyle.getValue());
OS << "End region tree\n";
}