Add RegionPass support.
A RegionPass is executed like a LoopPass but on the regions detected by the
RegionInfo pass instead of the loops detected by the LoopInfo pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116905 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 1324285..50f327f 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -20,6 +20,7 @@
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Analysis/LoopPass.h"
+#include "llvm/Analysis/RegionPass.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
@@ -267,6 +268,40 @@
char LoopPassPrinter::ID = 0;
+struct RegionPassPrinter : public RegionPass {
+ static char ID;
+ const PassInfo *PassToPrint;
+ raw_ostream &Out;
+ std::string PassName;
+
+ RegionPassPrinter(const PassInfo *PI, raw_ostream &out) : RegionPass(ID),
+ PassToPrint(PI), Out(out) {
+ std::string PassToPrintName = PassToPrint->getPassName();
+ PassName = "LoopPass Printer: " + PassToPrintName;
+ }
+
+ virtual bool runOnRegion(Region *R, RGPassManager &RGM) {
+ if (!Quiet) {
+ Out << "Printing analysis '" << PassToPrint->getPassName() << "' for "
+ << "region: '" << R->getNameStr() << "' in function '"
+ << R->getEntry()->getParent()->getNameStr() << "':\n";
+ }
+ // Get and print pass...
+ getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out,
+ R->getEntry()->getParent()->getParent());
+ return false;
+ }
+
+ virtual const char *getPassName() const { return "'Pass' Printer"; }
+
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addRequiredID(PassToPrint->getTypeInfo());
+ AU.setPreservesAll();
+ }
+};
+
+char RegionPassPrinter::ID = 0;
+
struct BasicBlockPassPrinter : public BasicBlockPass {
const PassInfo *PassToPrint;
raw_ostream &Out;
@@ -526,6 +561,9 @@
case PT_BasicBlock:
Passes.add(new BasicBlockPassPrinter(PassInf, Out->os()));
break;
+ case PT_Region:
+ Passes.add(new RegionPassPrinter(PassInf, Out->os()));
+ break;
case PT_Loop:
Passes.add(new LoopPassPrinter(PassInf, Out->os()));
break;