r284869 - [CUDA] Use FunctionDeclAndLoc for the Sema::LocsWithCUDACallDiags hashtable.
Justin Lebar via cfe-commits
cfe-commits at lists.llvm.org
Fri Oct 21 13:08:52 PDT 2016
Author: jlebar
Date: Fri Oct 21 15:08:52 2016
New Revision: 284869
URL: http://llvm.org/viewvc/llvm-project?rev=284869&view=rev
Log:
[CUDA] Use FunctionDeclAndLoc for the Sema::LocsWithCUDACallDiags hashtable.
Summary: NFC
Reviewers: rnk
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D25797
Modified:
cfe/trunk/include/clang/Sema/Sema.h
cfe/trunk/lib/Sema/SemaCUDA.cpp
Modified: cfe/trunk/include/clang/Sema/Sema.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Sema/Sema.h?rev=284869&r1=284868&r2=284869&view=diff
==============================================================================
--- cfe/trunk/include/clang/Sema/Sema.h (original)
+++ cfe/trunk/include/clang/Sema/Sema.h Fri Oct 21 15:08:52 2016
@@ -9250,18 +9250,18 @@ public:
std::vector<PartialDiagnosticAt>>
CUDADeferredDiags;
- /// FunctionDecls plus raw encodings of SourceLocations for which
- /// CheckCUDACall has emitted a (maybe deferred) "bad call" diagnostic. We
- /// use this to avoid emitting the same deferred diag twice.
- llvm::DenseSet<std::pair<CanonicalDeclPtr<FunctionDecl>, unsigned>>
- LocsWithCUDACallDiags;
-
- /// A pair of a canonical FunctionDecl and a SourceLocation.
+ /// A pair of a canonical FunctionDecl and a SourceLocation. When used as the
+ /// key in a hashtable, both the FD and location are hashed.
struct FunctionDeclAndLoc {
CanonicalDeclPtr<FunctionDecl> FD;
SourceLocation Loc;
};
+ /// FunctionDecls and SourceLocations for which CheckCUDACall has emitted a
+ /// (maybe deferred) "bad call" diagnostic. We use this to avoid emitting the
+ /// same deferred diag twice.
+ llvm::DenseSet<FunctionDeclAndLoc> LocsWithCUDACallDiags;
+
/// An inverse call graph, mapping known-emitted functions to one of their
/// known-emitted callers (plus the location of the call).
///
@@ -10035,4 +10035,31 @@ struct LateParsedTemplate {
} // end namespace clang
+namespace llvm {
+// Hash a FunctionDeclAndLoc by looking at both its FunctionDecl and its
+// SourceLocation.
+template <> struct DenseMapInfo<clang::Sema::FunctionDeclAndLoc> {
+ using FunctionDeclAndLoc = clang::Sema::FunctionDeclAndLoc;
+ using FDBaseInfo = DenseMapInfo<clang::CanonicalDeclPtr<clang::FunctionDecl>>;
+
+ static FunctionDeclAndLoc getEmptyKey() {
+ return {FDBaseInfo::getEmptyKey(), clang::SourceLocation()};
+ }
+
+ static FunctionDeclAndLoc getTombstoneKey() {
+ return {FDBaseInfo::getTombstoneKey(), clang::SourceLocation()};
+ }
+
+ static unsigned getHashValue(const FunctionDeclAndLoc &FDL) {
+ return hash_combine(FDBaseInfo::getHashValue(FDL.FD),
+ FDL.Loc.getRawEncoding());
+ }
+
+ static bool isEqual(const FunctionDeclAndLoc &LHS,
+ const FunctionDeclAndLoc &RHS) {
+ return LHS.FD == RHS.FD && LHS.Loc == RHS.Loc;
+ }
+};
+} // namespace llvm
+
#endif
Modified: cfe/trunk/lib/Sema/SemaCUDA.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaCUDA.cpp?rev=284869&r1=284868&r2=284869&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaCUDA.cpp (original)
+++ cfe/trunk/lib/Sema/SemaCUDA.cpp Fri Oct 21 15:08:52 2016
@@ -774,7 +774,7 @@ bool Sema::CheckCUDACall(SourceLocation
// like this is unfortunate, but because we must continue parsing as normal
// after encountering a deferred error, it's otherwise very tricky for us to
// ensure that we only emit this deferred error once.
- if (!LocsWithCUDACallDiags.insert({Caller, Loc.getRawEncoding()}).second)
+ if (!LocsWithCUDACallDiags.insert({Caller, Loc}).second)
return true;
CUDADiagBuilder(DiagKind, Loc, diag::err_ref_bad_target, Caller, *this)
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