diff options
Diffstat (limited to 'lib/CodeGen/CGStmt.cpp')
| -rw-r--r-- | lib/CodeGen/CGStmt.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp index 1fcafe82e6..a46a412627 100644 --- a/lib/CodeGen/CGStmt.cpp +++ b/lib/CodeGen/CGStmt.cpp @@ -919,10 +919,13 @@ SimplifyConstraint(const char *Constraint, const TargetInfo &Target, return Result; } +/// AddVariableConstraints - Look at AsmExpr and if it is a variable declared +/// as using a particular register add that as a constraint that will be used +/// in this asm stmt. static std::string -AddVariableConstraits(const std::string &Constraint, const Expr &AsmExpr, - const TargetInfo &Target, CodeGenModule &CGM, - const AsmStmt &Stmt) { +AddVariableConstraints(const std::string &Constraint, const Expr &AsmExpr, + const TargetInfo &Target, CodeGenModule &CGM, + const AsmStmt &Stmt) { const DeclRefExpr *AsmDeclRef = dyn_cast<DeclRefExpr>(&AsmExpr); if (!AsmDeclRef) return Constraint; @@ -1082,7 +1085,7 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) { const Expr *OutExpr = S.getOutputExpr(i); OutExpr = OutExpr->IgnoreParenNoopCasts(getContext()); - OutputConstraint = AddVariableConstraits(OutputConstraint, *OutExpr, Target, + OutputConstraint = AddVariableConstraints(OutputConstraint, *OutExpr, Target, CGM, S); LValue Dest = EmitLValue(OutExpr); @@ -1163,7 +1166,7 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) { &OutputConstraintInfos); InputConstraint = - AddVariableConstraits(InputConstraint, + AddVariableConstraints(InputConstraint, *InputExpr->IgnoreParenNoopCasts(getContext()), Target, CGM, S); |