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Use a common function for emitting asm inputs and remove a FIXME

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llvm-svn: 62041
This commit is contained in:
Anders Carlsson
2009-01-11 19:32:54 +00:00
parent fa5880e0bb
commit da5f56939b
1 changed files with 26 additions and 31 deletions
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57
clang/lib/CodeGen/CGStmt.cpp
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@@ -860,6 +860,29 @@ static std::string SimplifyConstraint(const char* Constraint,
return Result;
}
llvm::Value* CodeGenFunction::EmitAsmInput(const AsmStmt &S,
TargetInfo::ConstraintInfo Info,
const Expr *InputExpr,
std::string &ConstraintStr)
{
llvm::Value *Arg;
if ((Info & TargetInfo::CI_AllowsRegister) ||
!(Info & TargetInfo::CI_AllowsMemory)) {
if (ConvertType(InputExpr->getType())->isSingleValueType()) {
Arg = EmitScalarExpr(InputExpr);
} else {
ErrorUnsupported(&S,
"asm statement passing multiple-value types as inputs");
}
} else {
LValue Dest = EmitLValue(InputExpr);
Arg = Dest.getAddress();
ConstraintStr += '*';
}
return Arg;
}
void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
bool Failed;
std::string AsmString =
@@ -916,24 +939,10 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
}
if (Info & TargetInfo::CI_ReadWrite) {
// FIXME: This code should be shared with the code that handles inputs.
InOutConstraints += ',';
const Expr *InputExpr = S.getOutputExpr(i);
llvm::Value *Arg;
if ((Info & TargetInfo::CI_AllowsRegister) ||
!(Info & TargetInfo::CI_AllowsMemory)) {
if (ConvertType(InputExpr->getType())->isSingleValueType()) {
Arg = EmitScalarExpr(InputExpr);
} else {
ErrorUnsupported(&S,
"asm statement passing multiple-value types as inputs");
}
} else {
LValue Dest = EmitLValue(InputExpr);
Arg = Dest.getAddress();
InOutConstraints += '*';
}
llvm::Value *Arg = EmitAsmInput(S, Info, InputExpr, InOutConstraints);
InOutArgTypes.push_back(Arg->getType());
InOutArgs.push_back(Arg);
@@ -960,21 +969,7 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
// Simplify the input constraint.
InputConstraint = SimplifyConstraint(InputConstraint.c_str(), Target);
llvm::Value *Arg;
if ((Info & TargetInfo::CI_AllowsRegister) ||
!(Info & TargetInfo::CI_AllowsMemory)) {
if (ConvertType(InputExpr->getType())->isSingleValueType()) {
Arg = EmitScalarExpr(InputExpr);
} else {
ErrorUnsupported(&S,
"asm statement passing multiple-value types as inputs");
}
} else {
LValue Dest = EmitLValue(InputExpr);
Arg = Dest.getAddress();
Constraints += '*';
}
llvm::Value *Arg = EmitAsmInput(S, Info, InputExpr, Constraints);
ArgTypes.push_back(Arg->getType());
Args.push_back(Arg);