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6d42c0084e
Remove old API for `DebugLoc` now that all the callers have been
updated. If this broke your out-of-tree build, here's a quick map from
the old API to the new one:
DebugLoc DebugLoc::getFromMDLocation(MDNode *)
=> DebugLoc::DebugLoc(MDLocation *)
=> explicit DebugLoc::DebugLoc(MDNode *) // works with broken code
MDNode *DebugLoc::getAsMDNode(LLVMContext &)
=> MDLocation *DebugLoc::get()
=> DebugLoc::operator MDLocation *()
=> MDNode *DebugLoc::getAsMDNode() // works with broken code
bool DebugLoc::isUnknown()
=> DebugLoc::operator MDLocation *()
i.e.: if (MDLocation *DL = ...)
=> DebugLoc::operator bool() // works with broken code
i.e.: if (DebugLoc DL = ...)
void DebugLoc::getScopeAndInlinedAt(MDNode *&, MDNode *&)
=> use: MDNode *DebugLoc::getScope()
and: MDLocation *DebugLoc::getInlinedAt()
MDNode *DebugLoc::getScopeNode(LLVMContext &)
=> MDNode *DebugLoc::getInlinedAtScope()
void DebugLoc::dump(LLVMContext &)
=> void DebugLoc::dump()
void DebugLoc::getFnDebugLoc(LLVMContext &)
=> void DebugLoc::getFnDebugLoc()
MDNode *DebugLoc::getScope(LLVMContext &)
=> MDNode *DebugLoc::getScope()
MDNode *DebugLoc::getInlinedAt(LLVMContext &)
=> MDLocation *DebugLoc::getInlinedAt()
I've noted above the only functions that won't crash on broken code (due
to downcasting to `MDLocation`). If your code could be dealing with
broken IR (i.e., you haven't run the verifier yet, or you've used a
temporary node that will eventually (but not yet) get RAUW'ed to an
`MDLocation`), you need to restrict yourself to those.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233599 91177308-0d34-0410-b5e6-96231b3b80d8
116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
//===-- DebugLoc.cpp - Implement DebugLoc class ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/DebugLoc.h"
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#include "LLVMContextImpl.h"
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#include "llvm/ADT/DenseMapInfo.h"
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#include "llvm/IR/DebugInfo.h"
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using namespace llvm;
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//===----------------------------------------------------------------------===//
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// DebugLoc Implementation
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//===----------------------------------------------------------------------===//
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DebugLoc::DebugLoc(MDLocation *L) : Loc(L) {}
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DebugLoc::DebugLoc(MDNode *L) : Loc(L) {}
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MDLocation *DebugLoc::get() const {
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return cast_or_null<MDLocation>(Loc.get());
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}
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unsigned DebugLoc::getLine() const {
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assert(get() && "Expected valid DebugLoc");
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return get()->getLine();
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}
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unsigned DebugLoc::getCol() const {
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assert(get() && "Expected valid DebugLoc");
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return get()->getColumn();
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}
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MDNode *DebugLoc::getScope() const {
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assert(get() && "Expected valid DebugLoc");
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return get()->getScope();
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}
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MDLocation *DebugLoc::getInlinedAt() const {
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assert(get() && "Expected valid DebugLoc");
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return get()->getInlinedAt();
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}
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MDNode *DebugLoc::getInlinedAtScope() const {
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return cast<MDLocation>(Loc)->getInlinedAtScope();
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}
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DebugLoc DebugLoc::getFnDebugLoc() const {
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// FIXME: Add a method on \a MDLocation that does this work.
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const MDNode *Scope = getInlinedAtScope();
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DISubprogram SP = getDISubprogram(Scope);
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if (SP.isSubprogram())
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return DebugLoc::get(SP.getScopeLineNumber(), 0, SP);
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return DebugLoc();
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}
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DebugLoc DebugLoc::get(unsigned Line, unsigned Col,
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MDNode *Scope, MDNode *InlinedAt) {
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// If no scope is available, this is an unknown location.
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if (!Scope)
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return DebugLoc();
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return MDLocation::get(Scope->getContext(), Line, Col, Scope, InlinedAt);
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}
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/// getFromDILexicalBlock - Translate the DILexicalBlock into a DebugLoc.
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DebugLoc DebugLoc::getFromDILexicalBlock(MDNode *N) {
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DILexicalBlock LexBlock(N);
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MDNode *Scope = LexBlock.getContext();
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if (!Scope) return DebugLoc();
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return get(LexBlock.getLineNumber(), LexBlock.getColumnNumber(), Scope,
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nullptr);
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}
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void DebugLoc::dump() const {
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#ifndef NDEBUG
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if (!Loc)
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return;
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dbgs() << getLine();
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if (getCol() != 0)
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dbgs() << ',' << getCol();
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if (DebugLoc InlinedAtDL = DebugLoc(getInlinedAt())) {
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dbgs() << " @ ";
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InlinedAtDL.dump();
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} else
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dbgs() << "\n";
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#endif
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}
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void DebugLoc::print(raw_ostream &OS) const {
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if (!Loc)
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return;
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// Print source line info.
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DIScope Scope(getScope());
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assert((!Scope || Scope.isScope()) &&
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"Scope of a DebugLoc should be null or a DIScope.");
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if (Scope)
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OS << Scope.getFilename();
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else
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OS << "<unknown>";
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OS << ':' << getLine();
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if (getCol() != 0)
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OS << ':' << getCol();
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if (DebugLoc InlinedAtDL = getInlinedAt()) {
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OS << " @[ ";
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InlinedAtDL.print(OS);
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OS << " ]";
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}
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}
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