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Change intrinsic result type for void to store it as an empty list

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instead of as a single element list with VoidTy.  Now with a fix
for the verifier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99206 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-22 20:56:36 +00:00
parent b751418a39
commit 93dc92e412
4 changed files with 57 additions and 52 deletions
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12
utils/TableGen/CodeGenDAGPatterns.cpp
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@@ -754,12 +754,8 @@ static unsigned GetNumNodeResults(Record *Operator, CodeGenDAGPatterns &CDP) {
Operator->getName() == "parallel")
return 0; // All return nothing.
if (Operator->isSubClassOf("Intrinsic")) {
unsigned NumRes = CDP.getIntrinsic(Operator).IS.RetVTs.size();
if (NumRes == 1 && CDP.getIntrinsic(Operator).IS.RetVTs[0] == MVT::isVoid)
return 0;
return NumRes;
}
if (Operator->isSubClassOf("Intrinsic"))
return CDP.getIntrinsic(Operator).IS.RetVTs.size();
if (Operator->isSubClassOf("SDNode"))
return CDP.getSDNodeInfo(Operator).getNumResults();
@@ -1210,8 +1206,6 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
// Apply the result type to the node.
unsigned NumRetVTs = Int->IS.RetVTs.size();
unsigned NumParamVTs = Int->IS.ParamVTs.size();
if (NumRetVTs == 1 && Int->IS.RetVTs[0] == MVT::isVoid)
NumRetVTs = 0;
for (unsigned i = 0, e = NumRetVTs; i != e; ++i)
MadeChange |= UpdateNodeType(i, Int->IS.RetVTs[i], TP);
@@ -1591,7 +1585,7 @@ TreePatternNode *TreePattern::ParseTreePattern(DagInit *Dag) {
// If this intrinsic returns void, it must have side-effects and thus a
// chain.
if (Int.IS.RetVTs[0] == MVT::isVoid) {
if (Int.IS.RetVTs.empty()) {
Operator = getDAGPatterns().get_intrinsic_void_sdnode();
} else if (Int.ModRef != CodeGenIntrinsic::NoMem) {
// Has side-effects, requires chain.