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[BUG][REFACTOR]

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1) Fix for printing debug locations for absolute paths.
2) Location printing is moved into public method DebugLoc::print() to avoid re-inventing the wheel.

Differential Revision: http://reviews.llvm.org/D3513




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208177 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zinovy Nis
2014-05-07 09:51:22 +00:00
parent cb3a147870
commit 6a48f1c271
4 changed files with 48 additions and 42 deletions
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43
lib/Transforms/Vectorize/LoopVectorize.cpp
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@@ -83,7 +83,6 @@
#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
@@ -480,22 +479,19 @@ static void setDebugLocFromInst(IRBuilder<> &B, const Value *Ptr) {
#ifndef NDEBUG
/// \return string containing a file name and a line # for the given
/// instruction.
static format_object3<const char *, const char *, unsigned>
getDebugLocString(const Instruction *I) {
if (!I)
return format<const char *, const char *, unsigned>("", "", "", 0U);
MDNode *N = I->getMetadata("dbg");
if (!N) {
const StringRef ModuleName =
I->getParent()->getParent()->getParent()->getModuleIdentifier();
return format<const char *, const char *, unsigned>("%s", ModuleName.data(),
"", 0U);
static std::string getDebugLocString(const Instruction *I) {
std::string Result;
if (I) {
raw_string_ostream OS(Result);
const DebugLoc &InstrDebugLoc = I->getDebugLoc();
if (!InstrDebugLoc.isUnknown())
InstrDebugLoc.print(I->getContext(), OS);
else
// Just print the module name.
OS << I->getParent()->getParent()->getParent()->getModuleIdentifier();
OS.flush();
}
const DILocation Loc(N);
const unsigned LineNo = Loc.getLineNumber();
const char *DirName = Loc.getDirectory().data();
const char *FileName = Loc.getFilename().data();
return format("%s/%s:%u", DirName, FileName, LineNo);
return Result;
}
#endif
@@ -1109,10 +1105,15 @@ struct LoopVectorize : public FunctionPass {
bool processLoop(Loop *L) {
assert(L->empty() && "Only process inner loops.");
#ifndef NDEBUG
const std::string DebugLocStr =
getDebugLocString(L->getHeader()->getFirstNonPHIOrDbgOrLifetime());
#endif /* NDEBUG */
DEBUG(dbgs() << "\nLV: Checking a loop in \""
<< L->getHeader()->getParent()->getName() << "\" from "
<< getDebugLocString(L->getHeader()->getFirstNonPHIOrDbg())
<< "\n");
<< DebugLocStr << "\n");
LoopVectorizeHints Hints(L, DisableUnrolling);
@@ -1203,10 +1204,8 @@ struct LoopVectorize : public FunctionPass {
const unsigned UF =
CM.selectUnrollFactor(OptForSize, Hints.getUnroll(), VF.Width, VF.Cost);
DEBUG(dbgs() << "LV: Found a vectorizable loop ("
<< VF.Width << ") in "
<< getDebugLocString(L->getHeader()->getFirstNonPHIOrDbg())
<< '\n');
DEBUG(dbgs() << "LV: Found a vectorizable loop (" << VF.Width << ") in "
<< DebugLocStr << '\n');
DEBUG(dbgs() << "LV: Unroll Factor is " << UF << '\n');
if (VF.Width == 1) {