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Fix typo and add comment. 

llvm-svn: 122669
This commit is contained in:
Rafael Espindola 2011-01-01 21:12:33 +00:00
parent d772dbd6e5
commit 5734edc109
1 changed files with 8 additions and 5 deletions
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13
clang/lib/CodeGen/CGStmt.cpp
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@ -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);