diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Sema/SemaStmtAsm.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaStmtAsm.cpp b/clang/lib/Sema/SemaStmtAsm.cpp index c091cf88a92..179e207e76a 100644 --- a/clang/lib/Sema/SemaStmtAsm.cpp +++ b/clang/lib/Sema/SemaStmtAsm.cpp @@ -124,6 +124,17 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, // The parser verifies that there is a string literal here. assert(AsmString->isAscii()); + bool ValidateConstraints = true; + if (getLangOpts().CUDA) { + // In CUDA mode don't verify asm constraints in device functions during host + // compilation and vice versa. + bool InDeviceMode = getLangOpts().CUDAIsDevice; + FunctionDecl *FD = getCurFunctionDecl(); + bool IsDeviceFunction = + FD && (FD->hasAttr<CUDADeviceAttr>() || FD->hasAttr<CUDAGlobalAttr>()); + ValidateConstraints = IsDeviceFunction == InDeviceMode; + } + for (unsigned i = 0; i != NumOutputs; i++) { StringLiteral *Literal = Constraints[i]; assert(Literal->isAscii()); @@ -133,7 +144,8 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, OutputName = Names[i]->getName(); TargetInfo::ConstraintInfo Info(Literal->getString(), OutputName); - if (!Context.getTargetInfo().validateOutputConstraint(Info)) + if (ValidateConstraints && + !Context.getTargetInfo().validateOutputConstraint(Info)) return StmtError(Diag(Literal->getLocStart(), diag::err_asm_invalid_output_constraint) << Info.getConstraintStr()); @@ -207,8 +219,9 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, InputName = Names[i]->getName(); TargetInfo::ConstraintInfo Info(Literal->getString(), InputName); - if (!Context.getTargetInfo().validateInputConstraint(OutputConstraintInfos.data(), - NumOutputs, Info)) { + if (ValidateConstraints && + !Context.getTargetInfo().validateInputConstraint( + OutputConstraintInfos.data(), NumOutputs, Info)) { return StmtError(Diag(Literal->getLocStart(), diag::err_asm_invalid_input_constraint) << Info.getConstraintStr()); |
