diff options
Diffstat (limited to 'clang/lib/Sema/SemaStmtAsm.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaStmtAsm.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaStmtAsm.cpp b/clang/lib/Sema/SemaStmtAsm.cpp index afd785c5dfb..286c7619ed4 100644 --- a/clang/lib/Sema/SemaStmtAsm.cpp +++ b/clang/lib/Sema/SemaStmtAsm.cpp @@ -226,6 +226,20 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, diag::err_asm_invalid_lvalue_in_input) << Info.getConstraintStr() << InputExpr->getSourceRange()); + } else if (Info.requiresImmediateConstant() && !Info.allowsRegister()) { + llvm::APSInt Result; + if (!InputExpr->EvaluateAsInt(Result, Context)) + return StmtError( + Diag(InputExpr->getLocStart(), diag::err_asm_invalid_type_in_input) + << InputExpr->getType() << Info.getConstraintStr() + << InputExpr->getSourceRange()); + if (Result.slt(Info.getImmConstantMin()) || + Result.sgt(Info.getImmConstantMax())) + return StmtError(Diag(InputExpr->getLocStart(), + diag::err_invalid_asm_value_for_constraint) + << Result.toString(10) << Info.getConstraintStr() + << InputExpr->getSourceRange()); + } else { ExprResult Result = DefaultFunctionArrayLvalueConversion(Exprs[i]); if (Result.isInvalid()) |
