[clang] 40df06c - [CUDA][HIP] Defer overloading resolution diagnostics for host device functions
Yaxun Liu via cfe-commits
cfe-commits at lists.llvm.org
Thu Sep 17 08:32:05 PDT 2020
Author: Yaxun (Sam) Liu
Date: 2020-09-17T11:30:42-04:00
New Revision: 40df06cdafc010002fc9cfe1dda73d689b7d27a6
URL: https://github.com/llvm/llvm-project/commit/40df06cdafc010002fc9cfe1dda73d689b7d27a6
DIFF: https://github.com/llvm/llvm-project/commit/40df06cdafc010002fc9cfe1dda73d689b7d27a6.diff
LOG: [CUDA][HIP] Defer overloading resolution diagnostics for host device functions
In CUDA/HIP a function may become implicit host device function by
pragma or constexpr. A host device function is checked in both
host and device compilation. However it may be emitted only
on host or device side, therefore the diagnostics should be
deferred until it is known to be emitted.
Currently clang is only able to defer certain diagnostics. This causes
false alarms and limits the usefulness of host device functions.
This patch lets clang defer all overloading resolution diagnostics for host device functions.
An option -fgpu-defer-diag is added to control this behavior. By default
it is off.
It is NFC for other languages.
Differential Revision: https://reviews.llvm.org/D84364
Added:
clang/test/SemaCUDA/deferred-oeverload.cu
clang/test/TableGen/deferred-diag.td
Modified:
clang/include/clang/Basic/Diagnostic.td
clang/include/clang/Basic/DiagnosticAST.h
clang/include/clang/Basic/DiagnosticAnalysis.h
clang/include/clang/Basic/DiagnosticComment.h
clang/include/clang/Basic/DiagnosticCrossTU.h
clang/include/clang/Basic/DiagnosticDriver.h
clang/include/clang/Basic/DiagnosticFrontend.h
clang/include/clang/Basic/DiagnosticIDs.h
clang/include/clang/Basic/DiagnosticLex.h
clang/include/clang/Basic/DiagnosticParse.h
clang/include/clang/Basic/DiagnosticRefactoring.h
clang/include/clang/Basic/DiagnosticSema.h
clang/include/clang/Basic/DiagnosticSemaKinds.td
clang/include/clang/Basic/DiagnosticSerialization.h
clang/include/clang/Basic/LangOptions.def
clang/include/clang/Driver/Options.td
clang/include/clang/Sema/Sema.h
clang/lib/Basic/DiagnosticIDs.cpp
clang/lib/Driver/ToolChains/Cuda.cpp
clang/lib/Driver/ToolChains/HIP.cpp
clang/lib/Frontend/CompilerInvocation.cpp
clang/lib/Sema/AnalysisBasedWarnings.cpp
clang/lib/Sema/Sema.cpp
clang/lib/Sema/SemaAttr.cpp
clang/lib/Sema/SemaCUDA.cpp
clang/lib/Sema/SemaDecl.cpp
clang/lib/Sema/SemaExprObjC.cpp
clang/lib/Sema/SemaOpenMP.cpp
clang/lib/Sema/SemaOverload.cpp
clang/lib/Sema/SemaSYCL.cpp
clang/lib/Sema/SemaStmt.cpp
clang/lib/Sema/SemaStmtAsm.cpp
clang/lib/Sema/SemaTemplateInstantiate.cpp
clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
clang/lib/Sema/SemaTemplateVariadic.cpp
clang/lib/Sema/SemaType.cpp
clang/test/TableGen/DiagnosticBase.inc
clang/tools/diagtool/DiagnosticNames.cpp
clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
Removed:
################################################################################
diff --git a/clang/include/clang/Basic/Diagnostic.td b/clang/include/clang/Basic/Diagnostic.td
index 48ba8c0f469f..ab2c738a2ace 100644
--- a/clang/include/clang/Basic/Diagnostic.td
+++ b/clang/include/clang/Basic/Diagnostic.td
@@ -45,6 +45,7 @@ class TextSubstitution<string Text> {
// diagnostics
string Component = "";
string CategoryName = "";
+ bit Deferrable = 0;
}
// Diagnostic Categories. These can be applied to groups or individual
@@ -83,6 +84,7 @@ class Diagnostic<string text, DiagClass DC, Severity defaultmapping> {
bit AccessControl = 0;
bit WarningNoWerror = 0;
bit ShowInSystemHeader = 0;
+ bit Deferrable = 0;
Severity DefaultSeverity = defaultmapping;
DiagGroup Group;
string CategoryName = "";
@@ -106,6 +108,14 @@ class SuppressInSystemHeader {
bit ShowInSystemHeader = 0;
}
+class Deferrable {
+ bit Deferrable = 1;
+}
+
+class NonDeferrable {
+ bit Deferrable = 0;
+}
+
// FIXME: ExtWarn and Extension should also be SFINAEFailure by default.
class Error<string str> : Diagnostic<str, CLASS_ERROR, SEV_Error>, SFINAEFailure {
bit ShowInSystemHeader = 1;
diff --git a/clang/include/clang/Basic/DiagnosticAST.h b/clang/include/clang/Basic/DiagnosticAST.h
index afe5f62e2012..76c31ad9508e 100644
--- a/clang/include/clang/Basic/DiagnosticAST.h
+++ b/clang/include/clang/Basic/DiagnosticAST.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define ASTSTART
#include "clang/Basic/DiagnosticASTKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticAnalysis.h b/clang/include/clang/Basic/DiagnosticAnalysis.h
index eea35a4d616e..f9037cc8d75a 100644
--- a/clang/include/clang/Basic/DiagnosticAnalysis.h
+++ b/clang/include/clang/Basic/DiagnosticAnalysis.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define ANALYSISSTART
#include "clang/Basic/DiagnosticAnalysisKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticComment.h b/clang/include/clang/Basic/DiagnosticComment.h
index a87bafa8b3a5..6e011bfcebab 100644
--- a/clang/include/clang/Basic/DiagnosticComment.h
+++ b/clang/include/clang/Basic/DiagnosticComment.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define COMMENTSTART
#include "clang/Basic/DiagnosticCommentKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticCrossTU.h b/clang/include/clang/Basic/DiagnosticCrossTU.h
index c1c582bd6ee4..ded85ec3f840 100644
--- a/clang/include/clang/Basic/DiagnosticCrossTU.h
+++ b/clang/include/clang/Basic/DiagnosticCrossTU.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define CROSSTUSTART
#include "clang/Basic/DiagnosticCrossTUKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticDriver.h b/clang/include/clang/Basic/DiagnosticDriver.h
index 63913df4523b..cecd8fd6b4d5 100644
--- a/clang/include/clang/Basic/DiagnosticDriver.h
+++ b/clang/include/clang/Basic/DiagnosticDriver.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define DRIVERSTART
#include "clang/Basic/DiagnosticDriverKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticFrontend.h b/clang/include/clang/Basic/DiagnosticFrontend.h
index 57f00e73abb4..f57c587fb469 100644
--- a/clang/include/clang/Basic/DiagnosticFrontend.h
+++ b/clang/include/clang/Basic/DiagnosticFrontend.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define FRONTENDSTART
#include "clang/Basic/DiagnosticFrontendKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticIDs.h b/clang/include/clang/Basic/DiagnosticIDs.h
index 00c939650e54..7fd107c4add7 100644
--- a/clang/include/clang/Basic/DiagnosticIDs.h
+++ b/clang/include/clang/Basic/DiagnosticIDs.h
@@ -64,8 +64,9 @@ namespace clang {
// Get typedefs for common diagnostics.
enum {
-#define DIAG(ENUM,FLAGS,DEFAULT_MAPPING,DESC,GROUP,\
- SFINAE,CATEGORY,NOWERROR,SHOWINSYSHEADER) ENUM,
+#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, CATEGORY, \
+ NOWERROR, SHOWINSYSHEADER, DEFFERABLE) \
+ ENUM,
#define COMMONSTART
#include "clang/Basic/DiagnosticCommonKinds.inc"
NUM_BUILTIN_COMMON_DIAGNOSTICS
@@ -280,6 +281,13 @@ class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> {
/// are not SFINAE errors.
static SFINAEResponse getDiagnosticSFINAEResponse(unsigned DiagID);
+ /// Whether the diagnostic message can be deferred.
+ ///
+ /// For single source offloading languages, a diagnostic message occurred
+ /// in a device host function may be deferred until the function is sure
+ /// to be emitted.
+ static bool isDeferrable(unsigned DiagID);
+
/// Get the string of all diagnostic flags.
///
/// \returns A list of all diagnostics flags as they would be written in a
diff --git a/clang/include/clang/Basic/DiagnosticLex.h b/clang/include/clang/Basic/DiagnosticLex.h
index 33789051b286..7a3128de3b82 100644
--- a/clang/include/clang/Basic/DiagnosticLex.h
+++ b/clang/include/clang/Basic/DiagnosticLex.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define LEXSTART
#include "clang/Basic/DiagnosticLexKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticParse.h b/clang/include/clang/Basic/DiagnosticParse.h
index 0c21ff93c5fa..d066d3f71a25 100644
--- a/clang/include/clang/Basic/DiagnosticParse.h
+++ b/clang/include/clang/Basic/DiagnosticParse.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define PARSESTART
#include "clang/Basic/DiagnosticParseKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticRefactoring.h b/clang/include/clang/Basic/DiagnosticRefactoring.h
index aded0162ab33..fc7564047a24 100644
--- a/clang/include/clang/Basic/DiagnosticRefactoring.h
+++ b/clang/include/clang/Basic/DiagnosticRefactoring.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define REFACTORINGSTART
#include "clang/Basic/DiagnosticRefactoringKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticSema.h b/clang/include/clang/Basic/DiagnosticSema.h
index 72a6b9753893..7323167aeee8 100644
--- a/clang/include/clang/Basic/DiagnosticSema.h
+++ b/clang/include/clang/Basic/DiagnosticSema.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define SEMASTART
#include "clang/Basic/DiagnosticSemaKinds.inc"
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 2e265e114191..20a5105fca4b 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -4060,6 +4060,8 @@ def err_ovl_static_nonstatic_member : Error<
"static and non-static member functions with the same parameter types "
"cannot be overloaded">;
+let Deferrable = 1 in {
+
def err_ovl_no_viable_function_in_call : Error<
"no matching function for call to %0">;
def err_ovl_no_viable_member_function_in_call : Error<
@@ -4373,6 +4375,8 @@ def err_addr_ovl_not_func_ptrref : Error<
def err_addr_ovl_no_qualifier : Error<
"cannot form member pointer of type %0 without '&' and class name">;
+} // let Deferrable
+
// C++11 Literal Operators
def err_ovl_no_viable_literal_operator : Error<
"no matching literal operator for call to %0"
diff --git a/clang/include/clang/Basic/DiagnosticSerialization.h b/clang/include/clang/Basic/DiagnosticSerialization.h
index 7e46a36a7fd3..b3d99fb3feaa 100644
--- a/clang/include/clang/Basic/DiagnosticSerialization.h
+++ b/clang/include/clang/Basic/DiagnosticSerialization.h
@@ -15,7 +15,7 @@ namespace clang {
namespace diag {
enum {
#define DIAG(ENUM, FLAGS, DEFAULT_MAPPING, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
ENUM,
#define SERIALIZATIONSTART
#include "clang/Basic/DiagnosticSerializationKinds.inc"
diff --git a/clang/include/clang/Basic/LangOptions.def b/clang/include/clang/Basic/LangOptions.def
index 9846809763f8..d711d66784a4 100644
--- a/clang/include/clang/Basic/LangOptions.def
+++ b/clang/include/clang/Basic/LangOptions.def
@@ -241,6 +241,7 @@ LANGOPT(CUDADeviceApproxTranscendentals, 1, 0, "using approximate transcendental
LANGOPT(GPURelocatableDeviceCode, 1, 0, "generate relocatable device code")
LANGOPT(GPUAllowDeviceInit, 1, 0, "allowing device side global init functions for HIP")
LANGOPT(GPUMaxThreadsPerBlock, 32, 256, "default max threads per block for kernel launch bounds for HIP")
+LANGOPT(GPUDeferDiag, 1, 0, "defer host/device related diagnostic messages for CUDA/HIP")
LANGOPT(SYCL , 1, 0, "SYCL")
LANGOPT(SYCLIsDevice , 1, 0, "Generate code for SYCL device")
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index d7c2496b8a5d..f7261babd16a 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -669,6 +669,9 @@ defm hip_new_launch_api : OptInFFlag<"hip-new-launch-api",
"Use", "Don't use", " new kernel launching API for HIP">;
defm gpu_allow_device_init : OptInFFlag<"gpu-allow-device-init",
"Allow", "Don't allow", " device side init function in HIP">;
+defm gpu_defer_diag : OptInFFlag<"gpu-defer-diag",
+ "Defer", "Don't defer", " host/device related diagnostic messages"
+ " for CUDA/HIP">;
def gpu_max_threads_per_block_EQ : Joined<["--"], "gpu-max-threads-per-block=">,
Flags<[CC1Option]>,
HelpText<"Default max threads per block for kernel launch bounds for HIP">;
diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index 7080736325a7..89771046f977 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -1462,28 +1462,30 @@ class Sema final {
/// template instantiation stacks.
///
/// This class provides a wrapper around the basic DiagnosticBuilder
- /// class that emits diagnostics. SemaDiagnosticBuilder is
+ /// class that emits diagnostics. ImmediateDiagBuilder is
/// responsible for emitting the diagnostic (as DiagnosticBuilder
/// does) and, if the diagnostic comes from inside a template
/// instantiation, printing the template instantiation stack as
/// well.
- class SemaDiagnosticBuilder : public DiagnosticBuilder {
+ class ImmediateDiagBuilder : public DiagnosticBuilder {
Sema &SemaRef;
unsigned DiagID;
public:
- SemaDiagnosticBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID)
- : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) { }
+ ImmediateDiagBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID)
+ : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) {}
+ ImmediateDiagBuilder(DiagnosticBuilder &&DB, Sema &SemaRef, unsigned DiagID)
+ : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) {}
// This is a cunning lie. DiagnosticBuilder actually performs move
// construction in its copy constructor (but due to varied uses, it's not
// possible to conveniently express this as actual move construction). So
// the default copy ctor here is fine, because the base class disables the
- // source anyway, so the user-defined ~SemaDiagnosticBuilder is a safe no-op
+ // source anyway, so the user-defined ~ImmediateDiagBuilder is a safe no-op
// in that case anwyay.
- SemaDiagnosticBuilder(const SemaDiagnosticBuilder&) = default;
+ ImmediateDiagBuilder(const ImmediateDiagBuilder &) = default;
- ~SemaDiagnosticBuilder() {
+ ~ImmediateDiagBuilder() {
// If we aren't active, there is nothing to do.
if (!isActive()) return;
@@ -1504,38 +1506,162 @@ class Sema final {
}
/// Teach operator<< to produce an object of the correct type.
- template<typename T>
- friend const SemaDiagnosticBuilder &operator<<(
- const SemaDiagnosticBuilder &Diag, const T &Value) {
+ template <typename T>
+ friend const ImmediateDiagBuilder &
+ operator<<(const ImmediateDiagBuilder &Diag, const T &Value) {
const DiagnosticBuilder &BaseDiag = Diag;
BaseDiag << Value;
return Diag;
}
+ // It is necessary to limit this to rvalue reference to avoid calling this
+ // function with a bitfield lvalue argument since non-const reference to
+ // bitfield is not allowed.
+ template <typename T, typename = typename std::enable_if<
+ !std::is_lvalue_reference<T>::value>::type>
+ const ImmediateDiagBuilder &operator<<(T &&V) const {
+ const DiagnosticBuilder &BaseDiag = *this;
+ BaseDiag << std::move(V);
+ return *this;
+ }
+ };
+
+ /// A generic diagnostic builder for errors which may or may not be deferred.
+ ///
+ /// In CUDA, there exist constructs (e.g. variable-length arrays, try/catch)
+ /// which are not allowed to appear inside __device__ functions and are
+ /// allowed to appear in __host__ __device__ functions only if the host+device
+ /// function is never codegen'ed.
+ ///
+ /// To handle this, we use the notion of "deferred diagnostics", where we
+ /// attach a diagnostic to a FunctionDecl that's emitted iff it's codegen'ed.
+ ///
+ /// This class lets you emit either a regular diagnostic, a deferred
+ /// diagnostic, or no diagnostic at all, according to an argument you pass to
+ /// its constructor, thus simplifying the process of creating these "maybe
+ /// deferred" diagnostics.
+ class SemaDiagnosticBuilder {
+ public:
+ enum Kind {
+ /// Emit no diagnostics.
+ K_Nop,
+ /// Emit the diagnostic immediately (i.e., behave like Sema::Diag()).
+ K_Immediate,
+ /// Emit the diagnostic immediately, and, if it's a warning or error, also
+ /// emit a call stack showing how this function can be reached by an a
+ /// priori known-emitted function.
+ K_ImmediateWithCallStack,
+ /// Create a deferred diagnostic, which is emitted only if the function
+ /// it's attached to is codegen'ed. Also emit a call stack as with
+ /// K_ImmediateWithCallStack.
+ K_Deferred
+ };
+
+ SemaDiagnosticBuilder(Kind K, SourceLocation Loc, unsigned DiagID,
+ FunctionDecl *Fn, Sema &S);
+ SemaDiagnosticBuilder(SemaDiagnosticBuilder &&D);
+ SemaDiagnosticBuilder(const SemaDiagnosticBuilder &) = default;
+ ~SemaDiagnosticBuilder();
+
+ bool isImmediate() const { return ImmediateDiag.hasValue(); }
+
+ /// Convertible to bool: True if we immediately emitted an error, false if
+ /// we didn't emit an error or we created a deferred error.
+ ///
+ /// Example usage:
+ ///
+ /// if (SemaDiagnosticBuilder(...) << foo << bar)
+ /// return ExprError();
+ ///
+ /// But see CUDADiagIfDeviceCode() and CUDADiagIfHostCode() -- you probably
+ /// want to use these instead of creating a SemaDiagnosticBuilder yourself.
+ operator bool() const { return isImmediate(); }
+
+ template <typename T>
+ friend const SemaDiagnosticBuilder &
+ operator<<(const SemaDiagnosticBuilder &Diag, const T &Value) {
+ if (Diag.ImmediateDiag.hasValue())
+ *Diag.ImmediateDiag << Value;
+ else if (Diag.PartialDiagId.hasValue())
+ Diag.S.DeviceDeferredDiags[Diag.Fn][*Diag.PartialDiagId].second
+ << Value;
+ return Diag;
+ }
+
// It is necessary to limit this to rvalue reference to avoid calling this
// function with a bitfield lvalue argument since non-const reference to
// bitfield is not allowed.
template <typename T, typename = typename std::enable_if<
!std::is_lvalue_reference<T>::value>::type>
const SemaDiagnosticBuilder &operator<<(T &&V) const {
- const StreamableDiagnosticBase &DB = *this;
- DB << std::move(V);
+ if (ImmediateDiag.hasValue())
+ *ImmediateDiag << std::move(V);
+ else if (PartialDiagId.hasValue())
+ S.DeviceDeferredDiags[Fn][*PartialDiagId].second << std::move(V);
return *this;
}
+
+ friend const SemaDiagnosticBuilder &
+ operator<<(const SemaDiagnosticBuilder &Diag, const PartialDiagnostic &PD) {
+ if (Diag.ImmediateDiag.hasValue())
+ PD.Emit(*Diag.ImmediateDiag);
+ else if (Diag.PartialDiagId.hasValue())
+ Diag.S.DeviceDeferredDiags[Diag.Fn][*Diag.PartialDiagId].second = PD;
+ return Diag;
+ }
+
+ void AddFixItHint(const FixItHint &Hint) const {
+ if (ImmediateDiag.hasValue())
+ ImmediateDiag->AddFixItHint(Hint);
+ else if (PartialDiagId.hasValue())
+ S.DeviceDeferredDiags[Fn][*PartialDiagId].second.AddFixItHint(Hint);
+ }
+
+ friend ExprResult ExprError(const SemaDiagnosticBuilder &) {
+ return ExprError();
+ }
+ friend StmtResult StmtError(const SemaDiagnosticBuilder &) {
+ return StmtError();
+ }
+ operator ExprResult() const { return ExprError(); }
+ operator StmtResult() const { return StmtError(); }
+ operator TypeResult() const { return TypeError(); }
+ operator DeclResult() const { return DeclResult(true); }
+ operator MemInitResult() const { return MemInitResult(true); }
+
+ private:
+ Sema &S;
+ SourceLocation Loc;
+ unsigned DiagID;
+ FunctionDecl *Fn;
+ bool ShowCallStack;
+
+ // Invariant: At most one of these Optionals has a value.
+ // FIXME: Switch these to a Variant once that exists.
+ llvm::Optional<ImmediateDiagBuilder> ImmediateDiag;
+ llvm::Optional<unsigned> PartialDiagId;
};
+ using DiagBuilderT = SemaDiagnosticBuilder;
+
+ /// Is the last error level diagnostic immediate. This is used to determined
+ /// whether the next info diagnostic should be immediate.
+ bool IsLastErrorImmediate = true;
/// Emit a diagnostic.
- SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID) {
- DiagnosticBuilder DB = Diags.Report(Loc, DiagID);
- return SemaDiagnosticBuilder(DB, *this, DiagID);
- }
+ SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID,
+ bool DeferHint = false);
/// Emit a partial diagnostic.
- SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic& PD);
+ SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic &PD,
+ bool DeferHint = false);
/// Build a partial diagnostic.
PartialDiagnostic PDiag(unsigned DiagID = 0); // in SemaInternal.h
+ /// Whether uncompilable error has occurred. This includes error happens
+ /// in deferred diagnostics.
+ bool hasUncompilableErrorOccurred() const;
+
bool findMacroSpelling(SourceLocation &loc, StringRef name);
/// Get a string to suggest for zero-initialization of a type.
@@ -11671,84 +11797,11 @@ class Sema final {
/* Caller = */ FunctionDeclAndLoc>
DeviceKnownEmittedFns;
- /// Diagnostic builder for CUDA/OpenMP devices errors which may or may not be
- /// deferred.
- ///
- /// In CUDA, there exist constructs (e.g. variable-length arrays, try/catch)
- /// which are not allowed to appear inside __device__ functions and are
- /// allowed to appear in __host__ __device__ functions only if the host+device
- /// function is never codegen'ed.
- ///
- /// To handle this, we use the notion of "deferred diagnostics", where we
- /// attach a diagnostic to a FunctionDecl that's emitted iff it's codegen'ed.
- ///
- /// This class lets you emit either a regular diagnostic, a deferred
- /// diagnostic, or no diagnostic at all, according to an argument you pass to
- /// its constructor, thus simplifying the process of creating these "maybe
- /// deferred" diagnostics.
- class DeviceDiagBuilder {
- public:
- enum Kind {
- /// Emit no diagnostics.
- K_Nop,
- /// Emit the diagnostic immediately (i.e., behave like Sema::Diag()).
- K_Immediate,
- /// Emit the diagnostic immediately, and, if it's a warning or error, also
- /// emit a call stack showing how this function can be reached by an a
- /// priori known-emitted function.
- K_ImmediateWithCallStack,
- /// Create a deferred diagnostic, which is emitted only if the function
- /// it's attached to is codegen'ed. Also emit a call stack as with
- /// K_ImmediateWithCallStack.
- K_Deferred
- };
-
- DeviceDiagBuilder(Kind K, SourceLocation Loc, unsigned DiagID,
- FunctionDecl *Fn, Sema &S);
- DeviceDiagBuilder(DeviceDiagBuilder &&D);
- DeviceDiagBuilder(const DeviceDiagBuilder &) = default;
- ~DeviceDiagBuilder();
-
- /// Convertible to bool: True if we immediately emitted an error, false if
- /// we didn't emit an error or we created a deferred error.
- ///
- /// Example usage:
- ///
- /// if (DeviceDiagBuilder(...) << foo << bar)
- /// return ExprError();
- ///
- /// But see CUDADiagIfDeviceCode() and CUDADiagIfHostCode() -- you probably
- /// want to use these instead of creating a DeviceDiagBuilder yourself.
- operator bool() const { return ImmediateDiag.hasValue(); }
-
- template <typename T>
- friend const DeviceDiagBuilder &operator<<(const DeviceDiagBuilder &Diag,
- const T &Value) {
- if (Diag.ImmediateDiag.hasValue())
- *Diag.ImmediateDiag << Value;
- else if (Diag.PartialDiagId.hasValue())
- Diag.S.DeviceDeferredDiags[Diag.Fn][*Diag.PartialDiagId].second
- << Value;
- return Diag;
- }
-
- private:
- Sema &S;
- SourceLocation Loc;
- unsigned DiagID;
- FunctionDecl *Fn;
- bool ShowCallStack;
-
- // Invariant: At most one of these Optionals has a value.
- // FIXME: Switch these to a Variant once that exists.
- llvm::Optional<SemaDiagnosticBuilder> ImmediateDiag;
- llvm::Optional<unsigned> PartialDiagId;
- };
-
- /// Creates a DeviceDiagBuilder that emits the diagnostic if the current context
- /// is "used as device code".
+ /// Creates a SemaDiagnosticBuilder that emits the diagnostic if the current
+ /// context is "used as device code".
///
- /// - If CurContext is a __host__ function, does not emit any diagnostics.
+ /// - If CurContext is a __host__ function, does not emit any diagnostics
+ /// unless \p EmitOnBothSides is true.
/// - If CurContext is a __device__ or __global__ function, emits the
/// diagnostics immediately.
/// - If CurContext is a __host__ __device__ function and we are compiling for
@@ -11761,15 +11814,16 @@ class Sema final {
/// if (CUDADiagIfDeviceCode(Loc, diag::err_cuda_vla) << CurrentCUDATarget())
/// return ExprError();
/// // Otherwise, continue parsing as normal.
- DeviceDiagBuilder CUDADiagIfDeviceCode(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder CUDADiagIfDeviceCode(SourceLocation Loc,
+ unsigned DiagID);
- /// Creates a DeviceDiagBuilder that emits the diagnostic if the current context
- /// is "used as host code".
+ /// Creates a SemaDiagnosticBuilder that emits the diagnostic if the current
+ /// context is "used as host code".
///
/// Same as CUDADiagIfDeviceCode, with "host" and "device" switched.
- DeviceDiagBuilder CUDADiagIfHostCode(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder CUDADiagIfHostCode(SourceLocation Loc, unsigned DiagID);
- /// Creates a DeviceDiagBuilder that emits the diagnostic if the current
+ /// Creates a SemaDiagnosticBuilder that emits the diagnostic if the current
/// context is "used as device code".
///
/// - If CurContext is a `declare target` function or it is known that the
@@ -11784,9 +11838,10 @@ class Sema final {
/// if (diagIfOpenMPDeviceCode(Loc, diag::err_vla_unsupported))
/// return ExprError();
/// // Otherwise, continue parsing as normal.
- DeviceDiagBuilder diagIfOpenMPDeviceCode(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder diagIfOpenMPDeviceCode(SourceLocation Loc,
+ unsigned DiagID);
- /// Creates a DeviceDiagBuilder that emits the diagnostic if the current
+ /// Creates a SemaDiagnosticBuilder that emits the diagnostic if the current
/// context is "used as host code".
///
/// - If CurContext is a `declare target` function or it is known that the
@@ -11799,9 +11854,14 @@ class Sema final {
/// if (diagIfOpenMPHostode(Loc, diag::err_vla_unsupported))
/// return ExprError();
/// // Otherwise, continue parsing as normal.
- DeviceDiagBuilder diagIfOpenMPHostCode(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder diagIfOpenMPHostCode(SourceLocation Loc,
+ unsigned DiagID);
- DeviceDiagBuilder targetDiag(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder targetDiag(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder targetDiag(SourceLocation Loc,
+ const PartialDiagnostic &PD) {
+ return targetDiag(Loc, PD.getDiagID()) << PD;
+ }
/// Check if the expression is allowed to be used in expressions for the
/// offloading devices.
@@ -12574,7 +12634,7 @@ class Sema final {
ConstructorDestructor,
BuiltinFunction
};
- /// Creates a DeviceDiagBuilder that emits the diagnostic if the current
+ /// Creates a SemaDiagnosticBuilder that emits the diagnostic if the current
/// context is "used as device code".
///
/// - If CurLexicalContext is a kernel function or it is known that the
@@ -12592,7 +12652,8 @@ class Sema final {
/// if (!S.Context.getTargetInfo().hasFloat128Type() &&
/// S.getLangOpts().SYCLIsDevice)
/// SYCLDiagIfDeviceCode(Loc, diag::err_type_unsupported) << "__float128";
- DeviceDiagBuilder SYCLDiagIfDeviceCode(SourceLocation Loc, unsigned DiagID);
+ SemaDiagnosticBuilder SYCLDiagIfDeviceCode(SourceLocation Loc,
+ unsigned DiagID);
/// Check whether we're allowed to call Callee from the current context.
///
diff --git a/clang/lib/Basic/DiagnosticIDs.cpp b/clang/lib/Basic/DiagnosticIDs.cpp
index 8c7e63e06301..07e56fbcd611 100644
--- a/clang/lib/Basic/DiagnosticIDs.cpp
+++ b/clang/lib/Basic/DiagnosticIDs.cpp
@@ -42,6 +42,7 @@ struct StaticDiagInfoRec {
unsigned SFINAE : 2;
unsigned WarnNoWerror : 1;
unsigned WarnShowInSystemHeader : 1;
+ unsigned Deferrable : 1;
unsigned Category : 6;
uint16_t OptionGroupIndex;
@@ -96,12 +97,10 @@ VALIDATE_DIAG_SIZE(REFACTORING)
static const StaticDiagInfoRec StaticDiagInfo[] = {
#define DIAG(ENUM, CLASS, DEFAULT_SEVERITY, DESC, GROUP, SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY) \
- { \
- diag::ENUM, DEFAULT_SEVERITY, CLASS, DiagnosticIDs::SFINAE, NOWERROR, \
- SHOWINSYSHEADER, CATEGORY, GROUP, STR_SIZE(DESC, uint16_t), DESC \
- } \
- ,
+ SHOWINSYSHEADER, DEFERRABLE, CATEGORY) \
+ {diag::ENUM, DEFAULT_SEVERITY, CLASS, DiagnosticIDs::SFINAE, \
+ NOWERROR, SHOWINSYSHEADER, DEFERRABLE, CATEGORY, \
+ GROUP, STR_SIZE(DESC, uint16_t), DESC},
#include "clang/Basic/DiagnosticCommonKinds.inc"
#include "clang/Basic/DiagnosticDriverKinds.inc"
#include "clang/Basic/DiagnosticFrontendKinds.inc"
@@ -253,6 +252,12 @@ DiagnosticIDs::getDiagnosticSFINAEResponse(unsigned DiagID) {
return SFINAE_Report;
}
+bool DiagnosticIDs::isDeferrable(unsigned DiagID) {
+ if (const StaticDiagInfoRec *Info = GetDiagInfo(DiagID))
+ return Info->Deferrable;
+ return false;
+}
+
/// getBuiltinDiagClass - Return the class field of the diagnostic.
///
static unsigned getBuiltinDiagClass(unsigned DiagID) {
diff --git a/clang/lib/Driver/ToolChains/Cuda.cpp b/clang/lib/Driver/ToolChains/Cuda.cpp
index d7933534a5d3..f8af765f600f 100644
--- a/clang/lib/Driver/ToolChains/Cuda.cpp
+++ b/clang/lib/Driver/ToolChains/Cuda.cpp
@@ -634,6 +634,10 @@ void CudaToolChain::addClangTargetOptions(
if (DriverArgs.hasFlag(options::OPT_fgpu_rdc, options::OPT_fno_gpu_rdc,
false))
CC1Args.push_back("-fgpu-rdc");
+
+ if (DriverArgs.hasFlag(options::OPT_fgpu_defer_diag,
+ options::OPT_fno_gpu_defer_diag, false))
+ CC1Args.push_back("-fgpu-defer-diag");
}
if (DriverArgs.hasArg(options::OPT_nogpulib))
diff --git a/clang/lib/Driver/ToolChains/HIP.cpp b/clang/lib/Driver/ToolChains/HIP.cpp
index 43e557c98050..13bd59f926f5 100644
--- a/clang/lib/Driver/ToolChains/HIP.cpp
+++ b/clang/lib/Driver/ToolChains/HIP.cpp
@@ -268,6 +268,10 @@ void HIPToolChain::addClangTargetOptions(
options::OPT_fno_gpu_allow_device_init, false))
CC1Args.push_back("-fgpu-allow-device-init");
+ if (DriverArgs.hasFlag(options::OPT_fgpu_defer_diag,
+ options::OPT_fno_gpu_defer_diag, false))
+ CC1Args.push_back("-fgpu-defer-diag");
+
CC1Args.push_back("-fcuda-allow-variadic-functions");
// Default to "hidden" visibility, as object level linking will not be
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index a88a91182307..488a9dd0f8eb 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -2632,6 +2632,9 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
if (Args.hasArg(OPT_fno_cuda_host_device_constexpr))
Opts.CUDAHostDeviceConstexpr = 0;
+ if (Args.hasArg(OPT_fgpu_defer_diag))
+ Opts.GPUDeferDiag = 1;
+
if (Opts.CUDAIsDevice && Args.hasArg(OPT_fcuda_approx_transcendentals))
Opts.CUDADeviceApproxTranscendentals = 1;
diff --git a/clang/lib/Sema/AnalysisBasedWarnings.cpp b/clang/lib/Sema/AnalysisBasedWarnings.cpp
index 37fd26d7c22d..2850162141c9 100644
--- a/clang/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/clang/lib/Sema/AnalysisBasedWarnings.cpp
@@ -2096,7 +2096,7 @@ AnalysisBasedWarnings::IssueWarnings(sema::AnalysisBasedWarnings::Policy P,
if (cast<DeclContext>(D)->isDependentContext())
return;
- if (Diags.hasUncompilableErrorOccurred()) {
+ if (S.hasUncompilableErrorOccurred()) {
// Flush out any possibly unreachable diagnostics.
flushDiagnostics(S, fscope);
return;
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index 375fe3b28dec..53ff2b62c437 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -1436,11 +1436,24 @@ void Sema::EmitCurrentDiagnostic(unsigned DiagID) {
}
Sema::SemaDiagnosticBuilder
-Sema::Diag(SourceLocation Loc, const PartialDiagnostic& PD) {
- SemaDiagnosticBuilder Builder(Diag(Loc, PD.getDiagID()));
- PD.Emit(Builder);
+Sema::Diag(SourceLocation Loc, const PartialDiagnostic &PD, bool DeferHint) {
+ return Diag(Loc, PD.getDiagID(), DeferHint) << PD;
+}
- return Builder;
+bool Sema::hasUncompilableErrorOccurred() const {
+ if (getDiagnostics().hasUncompilableErrorOccurred())
+ return true;
+ auto *FD = dyn_cast<FunctionDecl>(CurContext);
+ if (!FD)
+ return false;
+ auto Loc = DeviceDeferredDiags.find(FD);
+ if (Loc == DeviceDeferredDiags.end())
+ return false;
+ for (auto PDAt : Loc->second) {
+ if (DiagnosticIDs::isDefaultMappingAsError(PDAt.second.getDiagID()))
+ return true;
+ }
+ return false;
}
// Print notes showing how we can reach FD starting from an a priori
@@ -1653,9 +1666,9 @@ void Sema::emitDeferredDiags() {
// until we discover that the function is known-emitted, at which point we take
// it out of this map and emit the diagnostic.
-Sema::DeviceDiagBuilder::DeviceDiagBuilder(Kind K, SourceLocation Loc,
- unsigned DiagID, FunctionDecl *Fn,
- Sema &S)
+Sema::SemaDiagnosticBuilder::SemaDiagnosticBuilder(Kind K, SourceLocation Loc,
+ unsigned DiagID,
+ FunctionDecl *Fn, Sema &S)
: S(S), Loc(Loc), DiagID(DiagID), Fn(Fn),
ShowCallStack(K == K_ImmediateWithCallStack || K == K_Deferred) {
switch (K) {
@@ -1663,7 +1676,8 @@ Sema::DeviceDiagBuilder::DeviceDiagBuilder(Kind K, SourceLocation Loc,
break;
case K_Immediate:
case K_ImmediateWithCallStack:
- ImmediateDiag.emplace(S.Diag(Loc, DiagID));
+ ImmediateDiag.emplace(
+ ImmediateDiagBuilder(S.Diags.Report(Loc, DiagID), S, DiagID));
break;
case K_Deferred:
assert(Fn && "Must have a function to attach the deferred diag to.");
@@ -1674,7 +1688,7 @@ Sema::DeviceDiagBuilder::DeviceDiagBuilder(Kind K, SourceLocation Loc,
}
}
-Sema::DeviceDiagBuilder::DeviceDiagBuilder(DeviceDiagBuilder &&D)
+Sema::SemaDiagnosticBuilder::SemaDiagnosticBuilder(SemaDiagnosticBuilder &&D)
: S(D.S), Loc(D.Loc), DiagID(D.DiagID), Fn(D.Fn),
ShowCallStack(D.ShowCallStack), ImmediateDiag(D.ImmediateDiag),
PartialDiagId(D.PartialDiagId) {
@@ -1684,7 +1698,7 @@ Sema::DeviceDiagBuilder::DeviceDiagBuilder(DeviceDiagBuilder &&D)
D.PartialDiagId.reset();
}
-Sema::DeviceDiagBuilder::~DeviceDiagBuilder() {
+Sema::SemaDiagnosticBuilder::~SemaDiagnosticBuilder() {
if (ImmediateDiag) {
// Emit our diagnostic and, if it was a warning or error, output a callstack
// if Fn isn't a priori known-emitted.
@@ -1699,7 +1713,8 @@ Sema::DeviceDiagBuilder::~DeviceDiagBuilder() {
}
}
-Sema::DeviceDiagBuilder Sema::targetDiag(SourceLocation Loc, unsigned DiagID) {
+Sema::SemaDiagnosticBuilder Sema::targetDiag(SourceLocation Loc,
+ unsigned DiagID) {
if (LangOpts.OpenMP)
return LangOpts.OpenMPIsDevice ? diagIfOpenMPDeviceCode(Loc, DiagID)
: diagIfOpenMPHostCode(Loc, DiagID);
@@ -1710,8 +1725,32 @@ Sema::DeviceDiagBuilder Sema::targetDiag(SourceLocation Loc, unsigned DiagID) {
if (getLangOpts().SYCLIsDevice)
return SYCLDiagIfDeviceCode(Loc, DiagID);
- return DeviceDiagBuilder(DeviceDiagBuilder::K_Immediate, Loc, DiagID,
- getCurFunctionDecl(), *this);
+ return SemaDiagnosticBuilder(SemaDiagnosticBuilder::K_Immediate, Loc, DiagID,
+ getCurFunctionDecl(), *this);
+}
+
+Sema::SemaDiagnosticBuilder Sema::Diag(SourceLocation Loc, unsigned DiagID,
+ bool DeferHint) {
+ bool IsError = Diags.getDiagnosticIDs()->isDefaultMappingAsError(DiagID);
+ bool ShouldDefer = getLangOpts().CUDA && LangOpts.GPUDeferDiag &&
+ DiagnosticIDs::isDeferrable(DiagID) &&
+ (DeferHint || !IsError);
+ auto SetIsLastErrorImmediate = [&](bool Flag) {
+ if (IsError)
+ IsLastErrorImmediate = Flag;
+ };
+ if (!ShouldDefer) {
+ SetIsLastErrorImmediate(true);
+ return SemaDiagnosticBuilder(SemaDiagnosticBuilder::K_Immediate, Loc,
+ DiagID, getCurFunctionDecl(), *this);
+ }
+
+ SemaDiagnosticBuilder DB =
+ getLangOpts().CUDAIsDevice
+ ? CUDADiagIfDeviceCode(Loc, DiagID)
+ : CUDADiagIfHostCode(Loc, DiagID);
+ SetIsLastErrorImmediate(DB.isImmediate());
+ return DB;
}
void Sema::checkDeviceDecl(const ValueDecl *D, SourceLocation Loc) {
diff --git a/clang/lib/Sema/SemaAttr.cpp b/clang/lib/Sema/SemaAttr.cpp
index bd5fc586b6af..1e58627e94a3 100644
--- a/clang/lib/Sema/SemaAttr.cpp
+++ b/clang/lib/Sema/SemaAttr.cpp
@@ -380,8 +380,8 @@ void Sema::DiagnoseUnterminatedPragmaPack() {
// The user might have already reset the alignment, so suggest replacing
// the reset with a pop.
if (IsInnermost && PackStack.CurrentValue == PackStack.DefaultValue) {
- DiagnosticBuilder DB = Diag(PackStack.CurrentPragmaLocation,
- diag::note_pragma_pack_pop_instead_reset);
+ auto DB = Diag(PackStack.CurrentPragmaLocation,
+ diag::note_pragma_pack_pop_instead_reset);
SourceLocation FixItLoc = Lexer::findLocationAfterToken(
PackStack.CurrentPragmaLocation, tok::l_paren, SourceMgr, LangOpts,
/*SkipTrailing=*/false);
diff --git a/clang/lib/Sema/SemaCUDA.cpp b/clang/lib/Sema/SemaCUDA.cpp
index 6203edea7112..13c735678583 100644
--- a/clang/lib/Sema/SemaCUDA.cpp
+++ b/clang/lib/Sema/SemaCUDA.cpp
@@ -639,58 +639,63 @@ void Sema::MaybeAddCUDAConstantAttr(VarDecl *VD) {
}
}
-Sema::DeviceDiagBuilder Sema::CUDADiagIfDeviceCode(SourceLocation Loc,
- unsigned DiagID) {
+Sema::SemaDiagnosticBuilder Sema::CUDADiagIfDeviceCode(SourceLocation Loc,
+ unsigned DiagID) {
assert(getLangOpts().CUDA && "Should only be called during CUDA compilation");
- DeviceDiagBuilder::Kind DiagKind = [this] {
+ SemaDiagnosticBuilder::Kind DiagKind = [&] {
+ if (!isa<FunctionDecl>(CurContext))
+ return SemaDiagnosticBuilder::K_Immediate;
switch (CurrentCUDATarget()) {
case CFT_Global:
case CFT_Device:
- return DeviceDiagBuilder::K_Immediate;
+ return SemaDiagnosticBuilder::K_Immediate;
case CFT_HostDevice:
// An HD function counts as host code if we're compiling for host, and
// device code if we're compiling for device. Defer any errors in device
// mode until the function is known-emitted.
- if (getLangOpts().CUDAIsDevice) {
- return (getEmissionStatus(cast<FunctionDecl>(CurContext)) ==
- FunctionEmissionStatus::Emitted)
- ? DeviceDiagBuilder::K_ImmediateWithCallStack
- : DeviceDiagBuilder::K_Deferred;
- }
- return DeviceDiagBuilder::K_Nop;
-
+ if (!getLangOpts().CUDAIsDevice)
+ return SemaDiagnosticBuilder::K_Nop;
+ if (IsLastErrorImmediate && Diags.getDiagnosticIDs()->isBuiltinNote(DiagID))
+ return SemaDiagnosticBuilder::K_Immediate;
+ return (getEmissionStatus(cast<FunctionDecl>(CurContext)) ==
+ FunctionEmissionStatus::Emitted)
+ ? SemaDiagnosticBuilder::K_ImmediateWithCallStack
+ : SemaDiagnosticBuilder::K_Deferred;
default:
- return DeviceDiagBuilder::K_Nop;
+ return SemaDiagnosticBuilder::K_Nop;
}
}();
- return DeviceDiagBuilder(DiagKind, Loc, DiagID,
- dyn_cast<FunctionDecl>(CurContext), *this);
+ return SemaDiagnosticBuilder(DiagKind, Loc, DiagID,
+ dyn_cast<FunctionDecl>(CurContext), *this);
}
-Sema::DeviceDiagBuilder Sema::CUDADiagIfHostCode(SourceLocation Loc,
- unsigned DiagID) {
+Sema::SemaDiagnosticBuilder Sema::CUDADiagIfHostCode(SourceLocation Loc,
+ unsigned DiagID) {
assert(getLangOpts().CUDA && "Should only be called during CUDA compilation");
- DeviceDiagBuilder::Kind DiagKind = [this] {
+ SemaDiagnosticBuilder::Kind DiagKind = [&] {
+ if (!isa<FunctionDecl>(CurContext))
+ return SemaDiagnosticBuilder::K_Immediate;
switch (CurrentCUDATarget()) {
case CFT_Host:
- return DeviceDiagBuilder::K_Immediate;
+ return SemaDiagnosticBuilder::K_Immediate;
case CFT_HostDevice:
// An HD function counts as host code if we're compiling for host, and
// device code if we're compiling for device. Defer any errors in device
// mode until the function is known-emitted.
if (getLangOpts().CUDAIsDevice)
- return DeviceDiagBuilder::K_Nop;
-
+ return SemaDiagnosticBuilder::K_Nop;
+ if (IsLastErrorImmediate && Diags.getDiagnosticIDs()->isBuiltinNote(DiagID))
+ return SemaDiagnosticBuilder::K_Immediate;
return (getEmissionStatus(cast<FunctionDecl>(CurContext)) ==
FunctionEmissionStatus::Emitted)
- ? DeviceDiagBuilder::K_ImmediateWithCallStack
- : DeviceDiagBuilder::K_Deferred;
+ ? SemaDiagnosticBuilder::K_ImmediateWithCallStack
+ : SemaDiagnosticBuilder::K_Deferred;
default:
- return DeviceDiagBuilder::K_Nop;
+ return SemaDiagnosticBuilder::K_Nop;
}
}();
- return DeviceDiagBuilder(DiagKind, Loc, DiagID,
- dyn_cast<FunctionDecl>(CurContext), *this);
+ return SemaDiagnosticBuilder(DiagKind, Loc, DiagID,
+ dyn_cast<FunctionDecl>(CurContext), *this);
}
bool Sema::CheckCUDACall(SourceLocation Loc, FunctionDecl *Callee) {
@@ -711,8 +716,8 @@ bool Sema::CheckCUDACall(SourceLocation Loc, FunctionDecl *Callee) {
// Otherwise, mark the call in our call graph so we can traverse it later.
bool CallerKnownEmitted =
getEmissionStatus(Caller) == FunctionEmissionStatus::Emitted;
- DeviceDiagBuilder::Kind DiagKind = [this, Caller, Callee,
- CallerKnownEmitted] {
+ SemaDiagnosticBuilder::Kind DiagKind = [this, Caller, Callee,
+ CallerKnownEmitted] {
switch (IdentifyCUDAPreference(Caller, Callee)) {
case CFP_Never:
case CFP_WrongSide:
@@ -720,14 +725,15 @@ bool Sema::CheckCUDACall(SourceLocation Loc, FunctionDecl *Callee) {
// If we know the caller will be emitted, we know this wrong-side call
// will be emitted, so it's an immediate error. Otherwise, defer the
// error until we know the caller is emitted.
- return CallerKnownEmitted ? DeviceDiagBuilder::K_ImmediateWithCallStack
- : DeviceDiagBuilder::K_Deferred;
+ return CallerKnownEmitted
+ ? SemaDiagnosticBuilder::K_ImmediateWithCallStack
+ : SemaDiagnosticBuilder::K_Deferred;
default:
- return DeviceDiagBuilder::K_Nop;
+ return SemaDiagnosticBuilder::K_Nop;
}
}();
- if (DiagKind == DeviceDiagBuilder::K_Nop)
+ if (DiagKind == SemaDiagnosticBuilder::K_Nop)
return true;
// Avoid emitting this error twice for the same location. Using a hashtable
@@ -737,14 +743,14 @@ bool Sema::CheckCUDACall(SourceLocation Loc, FunctionDecl *Callee) {
if (!LocsWithCUDACallDiags.insert({Caller, Loc}).second)
return true;
- DeviceDiagBuilder(DiagKind, Loc, diag::err_ref_bad_target, Caller, *this)
+ SemaDiagnosticBuilder(DiagKind, Loc, diag::err_ref_bad_target, Caller, *this)
<< IdentifyCUDATarget(Callee) << Callee << IdentifyCUDATarget(Caller);
if (!Callee->getBuiltinID())
- DeviceDiagBuilder(DiagKind, Callee->getLocation(), diag::note_previous_decl,
- Caller, *this)
+ SemaDiagnosticBuilder(DiagKind, Callee->getLocation(),
+ diag::note_previous_decl, Caller, *this)
<< Callee;
- return DiagKind != DeviceDiagBuilder::K_Immediate &&
- DiagKind != DeviceDiagBuilder::K_ImmediateWithCallStack;
+ return DiagKind != SemaDiagnosticBuilder::K_Immediate &&
+ DiagKind != SemaDiagnosticBuilder::K_ImmediateWithCallStack;
}
// Check the wrong-sided reference capture of lambda for CUDA/HIP.
@@ -781,14 +787,14 @@ void Sema::CUDACheckLambdaCapture(CXXMethodDecl *Callee,
bool ShouldCheck = CalleeIsDevice && CallerIsHost;
if (!ShouldCheck || !Capture.isReferenceCapture())
return;
- auto DiagKind = DeviceDiagBuilder::K_Deferred;
+ auto DiagKind = SemaDiagnosticBuilder::K_Deferred;
if (Capture.isVariableCapture()) {
- DeviceDiagBuilder(DiagKind, Capture.getLocation(),
- diag::err_capture_bad_target, Callee, *this)
+ SemaDiagnosticBuilder(DiagKind, Capture.getLocation(),
+ diag::err_capture_bad_target, Callee, *this)
<< Capture.getVariable();
} else if (Capture.isThisCapture()) {
- DeviceDiagBuilder(DiagKind, Capture.getLocation(),
- diag::err_capture_bad_target_this_ptr, Callee, *this);
+ SemaDiagnosticBuilder(DiagKind, Capture.getLocation(),
+ diag::err_capture_bad_target_this_ptr, Callee, *this);
}
return;
}
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index f78f7ac246bb..b9eed0bfe021 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -14540,11 +14540,11 @@ Decl *Sema::ActOnFinishFunctionBody(Decl *dcl, Stmt *Body,
// If any errors have occurred, clear out any temporaries that may have
// been leftover. This ensures that these temporaries won't be picked up for
// deletion in some later function.
- if (getDiagnostics().hasUncompilableErrorOccurred() ||
+ if (hasUncompilableErrorOccurred() ||
getDiagnostics().getSuppressAllDiagnostics()) {
DiscardCleanupsInEvaluationContext();
}
- if (!getDiagnostics().hasUncompilableErrorOccurred() &&
+ if (!hasUncompilableErrorOccurred() &&
!isa<FunctionTemplateDecl>(dcl)) {
// Since the body is valid, issue any analysis-based warnings that are
// enabled.
@@ -14596,7 +14596,7 @@ Decl *Sema::ActOnFinishFunctionBody(Decl *dcl, Stmt *Body,
// If any errors have occurred, clear out any temporaries that may have
// been leftover. This ensures that these temporaries won't be picked up for
// deletion in some later function.
- if (getDiagnostics().hasUncompilableErrorOccurred()) {
+ if (hasUncompilableErrorOccurred()) {
DiscardCleanupsInEvaluationContext();
}
diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp
index 2c088c8b15a3..60587db0cc69 100644
--- a/clang/lib/Sema/SemaExprObjC.cpp
+++ b/clang/lib/Sema/SemaExprObjC.cpp
@@ -2445,8 +2445,8 @@ static void applyCocoaAPICheck(Sema &S, const ObjCMessageExpr *Msg,
SourceManager &SM = S.SourceMgr;
edit::Commit ECommit(SM, S.LangOpts);
if (refactor(Msg,*S.NSAPIObj, ECommit)) {
- DiagnosticBuilder Builder = S.Diag(MsgLoc, DiagID)
- << Msg->getSelector() << Msg->getSourceRange();
+ auto Builder = S.Diag(MsgLoc, DiagID)
+ << Msg->getSelector() << Msg->getSourceRange();
// FIXME: Don't emit diagnostic at all if fixits are non-commitable.
if (!ECommit.isCommitable())
return;
@@ -3139,9 +3139,8 @@ ExprResult Sema::BuildInstanceMessage(Expr *Receiver,
if (ReceiverType->isObjCClassType() && !isImplicit &&
!(Receiver->isObjCSelfExpr() && getLangOpts().ObjCAutoRefCount)) {
{
- DiagnosticBuilder Builder =
- Diag(Receiver->getExprLoc(),
- diag::err_messaging_class_with_direct_method);
+ auto Builder = Diag(Receiver->getExprLoc(),
+ diag::err_messaging_class_with_direct_method);
if (Receiver->isObjCSelfExpr()) {
Builder.AddFixItHint(FixItHint::CreateReplacement(
RecRange, Method->getClassInterface()->getName()));
@@ -3153,7 +3152,7 @@ ExprResult Sema::BuildInstanceMessage(Expr *Receiver,
if (SuperLoc.isValid()) {
{
- DiagnosticBuilder Builder =
+ auto Builder =
Diag(SuperLoc, diag::err_messaging_super_with_direct_method);
if (ReceiverType->isObjCClassType()) {
Builder.AddFixItHint(FixItHint::CreateReplacement(
@@ -3736,15 +3735,11 @@ bool Sema::isKnownName(StringRef name) {
return LookupName(R, TUScope, false);
}
-static void addFixitForObjCARCConversion(Sema &S,
- DiagnosticBuilder &DiagB,
- Sema::CheckedConversionKind CCK,
- SourceLocation afterLParen,
- QualType castType,
- Expr *castExpr,
- Expr *realCast,
- const char *bridgeKeyword,
- const char *CFBridgeName) {
+template <typename DiagBuilderT>
+static void addFixitForObjCARCConversion(
+ Sema &S, DiagBuilderT &DiagB, Sema::CheckedConversionKind CCK,
+ SourceLocation afterLParen, QualType castType, Expr *castExpr,
+ Expr *realCast, const char *bridgeKeyword, const char *CFBridgeName) {
// We handle C-style and implicit casts here.
switch (CCK) {
case Sema::CCK_ImplicitConversion:
@@ -3921,9 +3916,9 @@ diagnoseObjCARCConversion(Sema &S, SourceRange castRange,
assert(CreateRule != ACC_bottom && "This cast should already be accepted.");
if (CreateRule != ACC_plusOne)
{
- DiagnosticBuilder DiagB =
- (CCK != Sema::CCK_OtherCast) ? S.Diag(noteLoc, diag::note_arc_bridge)
- : S.Diag(noteLoc, diag::note_arc_cstyle_bridge);
+ auto DiagB = (CCK != Sema::CCK_OtherCast)
+ ? S.Diag(noteLoc, diag::note_arc_bridge)
+ : S.Diag(noteLoc, diag::note_arc_cstyle_bridge);
addFixitForObjCARCConversion(S, DiagB, CCK, afterLParen,
castType, castExpr, realCast, "__bridge ",
@@ -3931,12 +3926,12 @@ diagnoseObjCARCConversion(Sema &S, SourceRange castRange,
}
if (CreateRule != ACC_plusZero)
{
- DiagnosticBuilder DiagB =
- (CCK == Sema::CCK_OtherCast && !br) ?
- S.Diag(noteLoc, diag::note_arc_cstyle_bridge_transfer) << castExprType :
- S.Diag(br ? castExpr->getExprLoc() : noteLoc,
- diag::note_arc_bridge_transfer)
- << castExprType << br;
+ auto DiagB = (CCK == Sema::CCK_OtherCast && !br)
+ ? S.Diag(noteLoc, diag::note_arc_cstyle_bridge_transfer)
+ << castExprType
+ : S.Diag(br ? castExpr->getExprLoc() : noteLoc,
+ diag::note_arc_bridge_transfer)
+ << castExprType << br;
addFixitForObjCARCConversion(S, DiagB, CCK, afterLParen,
castType, castExpr, realCast, "__bridge_transfer ",
@@ -3962,21 +3957,21 @@ diagnoseObjCARCConversion(Sema &S, SourceRange castRange,
assert(CreateRule != ACC_bottom && "This cast should already be accepted.");
if (CreateRule != ACC_plusOne)
{
- DiagnosticBuilder DiagB =
- (CCK != Sema::CCK_OtherCast) ? S.Diag(noteLoc, diag::note_arc_bridge)
- : S.Diag(noteLoc, diag::note_arc_cstyle_bridge);
+ auto DiagB = (CCK != Sema::CCK_OtherCast)
+ ? S.Diag(noteLoc, diag::note_arc_bridge)
+ : S.Diag(noteLoc, diag::note_arc_cstyle_bridge);
addFixitForObjCARCConversion(S, DiagB, CCK, afterLParen,
castType, castExpr, realCast, "__bridge ",
nullptr);
}
if (CreateRule != ACC_plusZero)
{
- DiagnosticBuilder DiagB =
- (CCK == Sema::CCK_OtherCast && !br) ?
- S.Diag(noteLoc, diag::note_arc_cstyle_bridge_retained) << castType :
- S.Diag(br ? castExpr->getExprLoc() : noteLoc,
- diag::note_arc_bridge_retained)
- << castType << br;
+ auto DiagB = (CCK == Sema::CCK_OtherCast && !br)
+ ? S.Diag(noteLoc, diag::note_arc_cstyle_bridge_retained)
+ << castType
+ : S.Diag(br ? castExpr->getExprLoc() : noteLoc,
+ diag::note_arc_bridge_retained)
+ << castType << br;
addFixitForObjCARCConversion(S, DiagB, CCK, afterLParen,
castType, castExpr, realCast, "__bridge_retained ",
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 92f6141b6d38..c5072b5563e4 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -1888,27 +1888,27 @@ enum class FunctionEmissionStatus {
};
} // anonymous namespace
-Sema::DeviceDiagBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc,
- unsigned DiagID) {
+Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc,
+ unsigned DiagID) {
assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&
"Expected OpenMP device compilation.");
FunctionDecl *FD = getCurFunctionDecl();
- DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop;
+ SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop;
if (FD) {
FunctionEmissionStatus FES = getEmissionStatus(FD);
switch (FES) {
case FunctionEmissionStatus::Emitted:
- Kind = DeviceDiagBuilder::K_Immediate;
+ Kind = SemaDiagnosticBuilder::K_Immediate;
break;
case FunctionEmissionStatus::Unknown:
Kind = isOpenMPDeviceDelayedContext(*this)
- ? DeviceDiagBuilder::K_Deferred
- : DeviceDiagBuilder::K_Immediate;
+ ? SemaDiagnosticBuilder::K_Deferred
+ : SemaDiagnosticBuilder::K_Immediate;
break;
case FunctionEmissionStatus::TemplateDiscarded:
case FunctionEmissionStatus::OMPDiscarded:
- Kind = DeviceDiagBuilder::K_Nop;
+ Kind = SemaDiagnosticBuilder::K_Nop;
break;
case FunctionEmissionStatus::CUDADiscarded:
llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation");
@@ -1916,30 +1916,30 @@ Sema::DeviceDiagBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc,
}
}
- return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this);
+ return SemaDiagnosticBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this);
}
-Sema::DeviceDiagBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc,
- unsigned DiagID) {
+Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc,
+ unsigned DiagID) {
assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&
"Expected OpenMP host compilation.");
FunctionEmissionStatus FES = getEmissionStatus(getCurFunctionDecl());
- DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop;
+ SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop;
switch (FES) {
case FunctionEmissionStatus::Emitted:
- Kind = DeviceDiagBuilder::K_Immediate;
+ Kind = SemaDiagnosticBuilder::K_Immediate;
break;
case FunctionEmissionStatus::Unknown:
- Kind = DeviceDiagBuilder::K_Deferred;
+ Kind = SemaDiagnosticBuilder::K_Deferred;
break;
case FunctionEmissionStatus::TemplateDiscarded:
case FunctionEmissionStatus::OMPDiscarded:
case FunctionEmissionStatus::CUDADiscarded:
- Kind = DeviceDiagBuilder::K_Nop;
+ Kind = SemaDiagnosticBuilder::K_Nop;
break;
}
- return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this);
+ return SemaDiagnosticBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this);
}
static OpenMPDefaultmapClauseKind
diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index 95d110e754f4..71c31fd7b836 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -11522,9 +11522,18 @@ void OverloadCandidateSet::NoteCandidates(PartialDiagnosticAt PD,
StringRef Opc, SourceLocation OpLoc,
llvm::function_ref<bool(OverloadCandidate &)> Filter) {
+ bool DeferHint = false;
+ if (S.getLangOpts().CUDA && S.getLangOpts().GPUDeferDiag) {
+ // Defer diagnostic for CUDA/HIP if there are wrong-sided candidates.
+ auto WrongSidedCands =
+ CompleteCandidates(S, OCD_AllCandidates, Args, OpLoc, [](auto &Cand) {
+ return Cand.FailureKind == ovl_fail_bad_target;
+ });
+ DeferHint = WrongSidedCands.size();
+ }
auto Cands = CompleteCandidates(S, OCD, Args, OpLoc, Filter);
- S.Diag(PD.first, PD.second);
+ S.Diag(PD.first, PD.second, DeferHint);
NoteCandidates(S, Args, Cands, Opc, OpLoc);
diff --git a/clang/lib/Sema/SemaSYCL.cpp b/clang/lib/Sema/SemaSYCL.cpp
index db7603b42f7b..af35052ee1e3 100644
--- a/clang/lib/Sema/SemaSYCL.cpp
+++ b/clang/lib/Sema/SemaSYCL.cpp
@@ -17,19 +17,19 @@ using namespace clang;
// SYCL device specific diagnostics implementation
// -----------------------------------------------------------------------------
-Sema::DeviceDiagBuilder Sema::SYCLDiagIfDeviceCode(SourceLocation Loc,
- unsigned DiagID) {
+Sema::SemaDiagnosticBuilder Sema::SYCLDiagIfDeviceCode(SourceLocation Loc,
+ unsigned DiagID) {
assert(getLangOpts().SYCLIsDevice &&
"Should only be called during SYCL compilation");
FunctionDecl *FD = dyn_cast<FunctionDecl>(getCurLexicalContext());
- DeviceDiagBuilder::Kind DiagKind = [this, FD] {
+ SemaDiagnosticBuilder::Kind DiagKind = [this, FD] {
if (!FD)
- return DeviceDiagBuilder::K_Nop;
+ return SemaDiagnosticBuilder::K_Nop;
if (getEmissionStatus(FD) == Sema::FunctionEmissionStatus::Emitted)
- return DeviceDiagBuilder::K_ImmediateWithCallStack;
- return DeviceDiagBuilder::K_Deferred;
+ return SemaDiagnosticBuilder::K_ImmediateWithCallStack;
+ return SemaDiagnosticBuilder::K_Deferred;
}();
- return DeviceDiagBuilder(DiagKind, Loc, DiagID, FD, *this);
+ return SemaDiagnosticBuilder(DiagKind, Loc, DiagID, FD, *this);
}
bool Sema::checkSYCLDeviceFunction(SourceLocation Loc, FunctionDecl *Callee) {
@@ -42,8 +42,8 @@ bool Sema::checkSYCLDeviceFunction(SourceLocation Loc, FunctionDecl *Callee) {
if (isUnevaluatedContext() || isConstantEvaluated())
return true;
- DeviceDiagBuilder::Kind DiagKind = DeviceDiagBuilder::K_Nop;
+ SemaDiagnosticBuilder::Kind DiagKind = SemaDiagnosticBuilder::K_Nop;
- return DiagKind != DeviceDiagBuilder::K_Immediate &&
- DiagKind != DeviceDiagBuilder::K_ImmediateWithCallStack;
+ return DiagKind != SemaDiagnosticBuilder::K_Immediate &&
+ DiagKind != SemaDiagnosticBuilder::K_ImmediateWithCallStack;
}
diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index 5b4aaa678974..0e860a663a7a 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -1261,10 +1261,10 @@ Sema::ActOnFinishSwitchStmt(SourceLocation SwitchLoc, Stmt *Switch,
// Produce a nice diagnostic if multiple values aren't handled.
if (!UnhandledNames.empty()) {
- DiagnosticBuilder DB = Diag(CondExpr->getExprLoc(),
- TheDefaultStmt ? diag::warn_def_missing_case
+ auto DB = Diag(CondExpr->getExprLoc(), TheDefaultStmt
+ ? diag::warn_def_missing_case
: diag::warn_missing_case)
- << (int)UnhandledNames.size();
+ << (int)UnhandledNames.size();
for (size_t I = 0, E = std::min(UnhandledNames.size(), (size_t)3);
I != E; ++I)
diff --git a/clang/lib/Sema/SemaStmtAsm.cpp b/clang/lib/Sema/SemaStmtAsm.cpp
index 10fa24682f9c..3b631bf747c6 100644
--- a/clang/lib/Sema/SemaStmtAsm.cpp
+++ b/clang/lib/Sema/SemaStmtAsm.cpp
@@ -448,9 +448,9 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple,
unsigned Size = Context.getTypeSize(Ty);
if (!Context.getTargetInfo().validateInputSize(FeatureMap,
Literal->getString(), Size))
- return StmtResult(
- targetDiag(InputExpr->getBeginLoc(), diag::err_asm_invalid_input_size)
- << Info.getConstraintStr());
+ return targetDiag(InputExpr->getBeginLoc(),
+ diag::err_asm_invalid_input_size)
+ << Info.getConstraintStr();
}
// Check that the clobbers are valid.
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index 11e03c517d01..54049d177ac0 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -237,7 +237,7 @@ Sema::InstantiatingTemplate::InstantiatingTemplate(
// error have occurred. Any diagnostics we might have raised will not be
// visible, and we do not need to construct a correct AST.
if (SemaRef.Diags.hasFatalErrorOccurred() &&
- SemaRef.Diags.hasUncompilableErrorOccurred()) {
+ SemaRef.hasUncompilableErrorOccurred()) {
Invalid = true;
return;
}
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 921d94036a2c..9c908878ab95 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -6008,7 +6008,7 @@ NamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D,
if (!Result) {
if (isa<UsingShadowDecl>(D)) {
// UsingShadowDecls can instantiate to nothing because of using hiding.
- } else if (Diags.hasUncompilableErrorOccurred()) {
+ } else if (hasUncompilableErrorOccurred()) {
// We've already complained about some ill-formed code, so most likely
// this declaration failed to instantiate. There's no point in
// complaining further, since this is normal in invalid code.
diff --git a/clang/lib/Sema/SemaTemplateVariadic.cpp b/clang/lib/Sema/SemaTemplateVariadic.cpp
index 623d808b59f6..41e6d767c796 100644
--- a/clang/lib/Sema/SemaTemplateVariadic.cpp
+++ b/clang/lib/Sema/SemaTemplateVariadic.cpp
@@ -368,8 +368,8 @@ Sema::DiagnoseUnexpandedParameterPacks(SourceLocation Loc,
Locations.push_back(Unexpanded[I].second);
}
- DiagnosticBuilder DB = Diag(Loc, diag::err_unexpanded_parameter_pack)
- << (int)UPPC << (int)Names.size();
+ auto DB = Diag(Loc, diag::err_unexpanded_parameter_pack)
+ << (int)UPPC << (int)Names.size();
for (size_t I = 0, E = std::min(Names.size(), (size_t)2); I != E; ++I)
DB << Names[I];
diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index d8ea9c037259..d9ff7c155ef9 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -4133,7 +4133,8 @@ static FileID getNullabilityCompletenessCheckFileID(Sema &S,
/// Creates a fix-it to insert a C-style nullability keyword at \p pointerLoc,
/// taking into account whitespace before and after.
-static void fixItNullability(Sema &S, DiagnosticBuilder &Diag,
+template <typename DiagBuilderT>
+static void fixItNullability(Sema &S, DiagBuilderT &Diag,
SourceLocation PointerLoc,
NullabilityKind Nullability) {
assert(PointerLoc.isValid());
diff --git a/clang/test/SemaCUDA/deferred-oeverload.cu b/clang/test/SemaCUDA/deferred-oeverload.cu
new file mode 100644
index 000000000000..f89732b581ff
--- /dev/null
+++ b/clang/test/SemaCUDA/deferred-oeverload.cu
@@ -0,0 +1,78 @@
+// RUN: %clang_cc1 -fcuda-is-device -fsyntax-only -verify=dev,com %s \
+// RUN: -std=c++11 -fgpu-defer-diag
+// RUN: %clang_cc1 -fsyntax-only -verify=host,com %s \
+// RUN: -std=c++11 -fgpu-defer-diag
+
+#include "Inputs/cuda.h"
+
+// When callee is called by a host function with integer arguments, there is an error for ambiguity.
+// It should be deferred since it involves wrong-sided candidates.
+__device__ void callee(int);
+__host__ void callee(float); // host-note {{candidate function}}
+__host__ void callee(double); // host-note {{candidate function}}
+
+// When callee2 is called by a device function without arguments, there is an error for 'no matching function'.
+// It should be deferred since it involves wrong-sided candidates.
+__host__ void callee2(); // dev-note{{candidate function not viable: call to __host__ function from __device__ function}}
+
+// When callee3 is called by a device function without arguments, there is an error for 'no matching function'.
+// It should be deferred since it involves wrong-sided candidates.
+__host__ void callee3(); // dev-note{{candidate function not viable: call to __host__ function from __device__ function}}
+__device__ void callee3(int); // dev-note{{candidate function not viable: requires 1 argument, but 0 were provided}}
+
+// When callee4 is called by a host or device function without arguments, there is an error for 'no matching function'.
+// It should be immediate since it involves no wrong-sided candidates (it is not a viable candiate due to signature).
+__host__ void callee4(int); // com-note 2{{candidate function not viable: requires 1 argument, but 0 were provided}}
+
+// When callee5 is called by a host function with integer arguments, there is an error for ambiguity.
+// It should be immediate since it involves no wrong-sided candidates.
+__host__ void callee5(float); // com-note {{candidate function}}
+__host__ void callee5(double); // com-note {{candidate function}}
+
+__host__ void hf() {
+ callee(1); // host-error {{call to 'callee' is ambiguous}}
+ callee2();
+ callee3();
+ callee4(); // com-error {{no matching function for call to 'callee4'}}
+ callee5(1); // com-error {{call to 'callee5' is ambiguous}}
+ undeclared_func(); // com-error {{use of undeclared identifier 'undeclared_func'}}
+}
+
+__device__ void df() {
+ callee(1);
+ callee2(); // dev-error {{no matching function for call to 'callee2'}}
+ callee3(); // dev-error {{no matching function for call to 'callee3'}}
+ callee4(); // com-error {{no matching function for call to 'callee4'}}
+}
+
+struct A { int x; typedef int isA; };
+struct B { int x; };
+
+// This function is invalid for A and B by SFINAE.
+// This fails to substitue for A but no diagnostic
+// should be emitted.
+template<typename T, typename T::foo* = nullptr>
+__host__ __device__ void sfinae(T t) { // com-note {{candidate template ignored: substitution failure [with T = B]}}
+ t.x = 1;
+}
+
+// This function is defined for A only by SFINAE.
+// Calling it with A should succeed, with B should fail.
+// The error should not be deferred since it happens in
+// file scope.
+
+template<typename T, typename T::isA* = nullptr>
+__host__ __device__ void sfinae(T t) { // com-note {{candidate template ignored: substitution failure [with T = B]}}
+ t.x = 1;
+}
+
+void test_sfinae() {
+ sfinae(A());
+ sfinae(B()); // com-error{{no matching function for call to 'sfinae'}}
+}
+
+// If a syntax error causes a function not declared, it cannot
+// be deferred.
+
+inline __host__ __device__ void bad_func() { // com-note {{to match this '{'}}
+// com-error {{expected '}'}}
diff --git a/clang/test/TableGen/DiagnosticBase.inc b/clang/test/TableGen/DiagnosticBase.inc
index 6f5bd818aa9c..291850e35364 100644
--- a/clang/test/TableGen/DiagnosticBase.inc
+++ b/clang/test/TableGen/DiagnosticBase.inc
@@ -45,6 +45,7 @@ class TextSubstitution<string Text> {
// diagnostics
string Component = "";
string CategoryName = "";
+ bit Deferrable = 0;
}
// Diagnostic Categories. These can be applied to groups or individual
@@ -75,6 +76,7 @@ class Diagnostic<string text, DiagClass DC, Severity defaultmapping> {
bit AccessControl = 0;
bit WarningNoWerror = 0;
bit ShowInSystemHeader = 0;
+ bit Deferrable = 0;
Severity DefaultSeverity = defaultmapping;
DiagGroup Group;
string CategoryName = "";
@@ -98,6 +100,14 @@ class SuppressInSystemHeader {
bit ShowInSystemHeader = 0;
}
+class Deferrable {
+ bit Deferrable = 1;
+}
+
+class NonDeferrable {
+ bit Deferrable = 0;
+}
+
// FIXME: ExtWarn and Extension should also be SFINAEFailure by default.
class Error<string str> : Diagnostic<str, CLASS_ERROR, SEV_Error>, SFINAEFailure {
bit ShowInSystemHeader = 1;
diff --git a/clang/test/TableGen/deferred-diag.td b/clang/test/TableGen/deferred-diag.td
new file mode 100644
index 000000000000..bf95af31f587
--- /dev/null
+++ b/clang/test/TableGen/deferred-diag.td
@@ -0,0 +1,27 @@
+// RUN: clang-tblgen -gen-clang-diags-defs -I%S %s -o - 2>&1 | \
+// RUN: FileCheck --strict-whitespace %s
+include "DiagnosticBase.inc"
+
+// Test usage of Deferrable and NonDeferrable in diagnostics.
+
+def test_default : Error<"This error is non-deferrable by default">;
+// CHECK-DAG: DIAG(test_default, {{.*}}SFINAE_SubstitutionFailure, false, true, false, 0)
+
+def test_deferrable : Error<"This error is deferrable">, Deferrable;
+// CHECK-DAG: DIAG(test_deferrable, {{.*}} SFINAE_SubstitutionFailure, false, true, true, 0)
+
+def test_non_deferrable : Error<"This error is non-deferrable">, NonDeferrable;
+// CHECK-DAG: DIAG(test_non_deferrable, {{.*}} SFINAE_SubstitutionFailure, false, true, false, 0)
+
+let Deferrable = 1 in {
+
+def test_let : Error<"This error is deferrable by let">;
+// CHECK-DAG: DIAG(test_let, {{.*}} SFINAE_SubstitutionFailure, false, true, true, 0)
+
+// Make sure TextSubstitution is allowed in the let Deferrable block.
+def textsub : TextSubstitution<"%select{text1|text2}0">;
+
+def test_let2 : Error<"This error is deferrable by let %sub{textsub}0">;
+// CHECK-DAG: DIAG(test_let2, {{.*}} SFINAE_SubstitutionFailure, false, true, true, 0)
+
+}
\ No newline at end of file
diff --git a/clang/tools/diagtool/DiagnosticNames.cpp b/clang/tools/diagtool/DiagnosticNames.cpp
index eddb99d1f57d..c54f81481a26 100644
--- a/clang/tools/diagtool/DiagnosticNames.cpp
+++ b/clang/tools/diagtool/DiagnosticNames.cpp
@@ -28,7 +28,7 @@ llvm::ArrayRef<DiagnosticRecord> diagtool::getBuiltinDiagnosticsByName() {
// out of sync easily?
static const DiagnosticRecord BuiltinDiagnosticsByID[] = {
#define DIAG(ENUM,CLASS,DEFAULT_MAPPING,DESC,GROUP, \
- SFINAE,NOWERROR,SHOWINSYSHEADER,CATEGORY) \
+ SFINAE,NOWERROR,SHOWINSYSHEADER,DEFER,CATEGORY) \
{ #ENUM, diag::ENUM, STR_SIZE(#ENUM, uint8_t) },
#include "clang/Basic/DiagnosticCommonKinds.inc"
#include "clang/Basic/DiagnosticCrossTUKinds.inc"
diff --git a/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp b/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
index 76d412203009..430895d8425f 100644
--- a/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
+++ b/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
@@ -1294,6 +1294,11 @@ void clang::EmitClangDiagsDefs(RecordKeeper &Records, raw_ostream &OS,
else
OS << ", false";
+ if (R.getValueAsBit("Deferrable"))
+ OS << ", true";
+ else
+ OS << ", false";
+
// Category number.
OS << ", " << CategoryIDs.getID(getDiagnosticCategory(&R, DGParentMap));
OS << ")\n";
More information about the cfe-commits
mailing list