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-rw-r--r--utils/TableGen/DAGISelEmitter.cpp17
-rw-r--r--utils/TableGen/DAGISelEmitter.h3
2 files changed, 14 insertions, 6 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index 4b8ea20e27..e66223e53e 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -1105,7 +1105,7 @@ static bool HandleUse(TreePattern *I, TreePatternNode *Pat,
void DAGISelEmitter::
FindPatternInputsAndOutputs(TreePattern *I, TreePatternNode *Pat,
std::map<std::string, TreePatternNode*> &InstInputs,
- std::map<std::string, Record*> &InstResults,
+ std::map<std::string, TreePatternNode*> &InstResults,
std::vector<Record*> &InstImpInputs,
std::vector<Record*> &InstImpResults) {
if (Pat->isLeaf()) {
@@ -1159,7 +1159,7 @@ FindPatternInputsAndOutputs(TreePattern *I, TreePatternNode *Pat,
I->error("set destination must have a name!");
if (InstResults.count(Dest->getName()))
I->error("cannot set '" + Dest->getName() +"' multiple times");
- InstResults[Dest->getName()] = Val->getDef();
+ InstResults[Dest->getName()] = Dest;
} else if (Val->getDef()->isSubClassOf("Register")) {
InstImpResults.push_back(Val->getDef());
} else {
@@ -1235,7 +1235,7 @@ void DAGISelEmitter::ParseInstructions() {
// InstResults - Keep track of all the virtual registers that are 'set'
// in the instruction, including what reg class they are.
- std::map<std::string, Record*> InstResults;
+ std::map<std::string, TreePatternNode*> InstResults;
std::vector<Record*> InstImpInputs;
std::vector<Record*> InstImpResults;
@@ -1265,6 +1265,7 @@ void DAGISelEmitter::ParseInstructions() {
// Check that all of the results occur first in the list.
std::vector<Record*> Results;
+ TreePatternNode *Res0Node = NULL;
for (unsigned i = 0; i != NumResults; ++i) {
if (i == CGI.OperandList.size())
I->error("'" + InstResults.begin()->first +
@@ -1272,7 +1273,10 @@ void DAGISelEmitter::ParseInstructions() {
const std::string &OpName = CGI.OperandList[i].Name;
// Check that it exists in InstResults.
- Record *R = InstResults[OpName];
+ TreePatternNode *RNode = InstResults[OpName];
+ if (i == 0)
+ Res0Node = RNode;
+ Record *R = dynamic_cast<DefInit*>(RNode->getLeafValue())->getDef();
if (R == 0)
I->error("Operand $" + OpName + " should be a set destination: all "
"outputs must occur before inputs in operand list!");
@@ -1337,6 +1341,9 @@ void DAGISelEmitter::ParseInstructions() {
TreePatternNode *ResultPattern =
new TreePatternNode(I->getRecord(), ResultNodeOperands);
+ // Copy fully inferred output node type to instruction result pattern.
+ if (NumResults > 0)
+ ResultPattern->setTypes(Res0Node->getExtTypes());
// Create and insert the instruction.
DAGInstruction TheInst(I, Results, Operands, InstImpResults, InstImpInputs);
@@ -1407,7 +1414,7 @@ void DAGISelEmitter::ParsePatterns() {
// Validate that the input pattern is correct.
{
std::map<std::string, TreePatternNode*> InstInputs;
- std::map<std::string, Record*> InstResults;
+ std::map<std::string, TreePatternNode*> InstResults;
std::vector<Record*> InstImpInputs;
std::vector<Record*> InstImpResults;
FindPatternInputsAndOutputs(Pattern, Pattern->getOnlyTree(),
diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index 6add8b28e4..35606f7787 100644
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -469,7 +469,8 @@ private:
void FindPatternInputsAndOutputs(TreePattern *I, TreePatternNode *Pat,
std::map<std::string,
TreePatternNode*> &InstInputs,
- std::map<std::string, Record*> &InstResults,
+ std::map<std::string,
+ TreePatternNode*> &InstResults,
std::vector<Record*> &InstImpInputs,
std::vector<Record*> &InstImpResults);
void GenerateCodeForPattern(PatternToMatch &Pattern,