[llvm-commits] CVS: llvm/utils/TableGen/DAGISelEmitter.cpp
Chris Lattner
lattner at cs.uiuc.edu
Thu Oct 13 22:08:49 PDT 2005
Changes in directory llvm/utils/TableGen:
DAGISelEmitter.cpp updated: 1.53 -> 1.54
---
Log message:
simplify the code a bit
---
Diffs of the changes: (+18 -26)
DAGISelEmitter.cpp | 44 ++++++++++++++++++--------------------------
1 files changed, 18 insertions(+), 26 deletions(-)
Index: llvm/utils/TableGen/DAGISelEmitter.cpp
diff -u llvm/utils/TableGen/DAGISelEmitter.cpp:1.53 llvm/utils/TableGen/DAGISelEmitter.cpp:1.54
--- llvm/utils/TableGen/DAGISelEmitter.cpp:1.53 Thu Oct 13 23:53:53 2005
+++ llvm/utils/TableGen/DAGISelEmitter.cpp Fri Oct 14 00:08:37 2005
@@ -63,6 +63,16 @@
return N->getChild(OpNo-NumResults);
}
+template<typename T>
+static std::vector<MVT::ValueType>
+FilterVTs(const std::vector<MVT::ValueType> &InVTs, T Filter) {
+ std::vector<MVT::ValueType> Result;
+ for (unsigned i = 0, e = InVTs.size(); i != e; ++i)
+ if (Filter(InVTs[i]))
+ Result.push_back(InVTs[i]);
+ return Result;
+}
+
/// ApplyTypeConstraint - Given a node in a pattern, apply this type
/// constraint to the nodes operands. This returns true if it makes a
/// change, false otherwise. If a type contradiction is found, throw an
@@ -94,21 +104,12 @@
NodeToApply->UpdateNodeType(MVT::i1, TP); // throw an error.
// If there is only one integer type supported, this must be it.
- const std::vector<MVT::ValueType> &VTs = CGT.getLegalValueTypes();
- MVT::ValueType VT = MVT::LAST_VALUETYPE;
- for (unsigned i = 0, e = VTs.size(); i != e; ++i)
- if (MVT::isInteger(VTs[i])) {
- if (VT == MVT::LAST_VALUETYPE)
- VT = VTs[i]; // First integer type we've found.
- else {
- VT = MVT::LAST_VALUETYPE;
- break;
- }
- }
+ std::vector<MVT::ValueType> IntVTs =
+ FilterVTs(CGT.getLegalValueTypes(), MVT::isInteger);
// If we found exactly one supported integer type, apply it.
- if (VT != MVT::LAST_VALUETYPE)
- return NodeToApply->UpdateNodeType(VT, TP);
+ if (IntVTs.size() == 1)
+ return NodeToApply->UpdateNodeType(IntVTs[0], TP);
return false;
}
case SDTCisFP: {
@@ -117,21 +118,12 @@
NodeToApply->UpdateNodeType(MVT::f32, TP); // throw an error.
// If there is only one FP type supported, this must be it.
- const std::vector<MVT::ValueType> &VTs = CGT.getLegalValueTypes();
- MVT::ValueType VT = MVT::LAST_VALUETYPE;
- for (unsigned i = 0, e = VTs.size(); i != e; ++i)
- if (MVT::isFloatingPoint(VTs[i])) {
- if (VT == MVT::LAST_VALUETYPE)
- VT = VTs[i]; // First integer type we've found.
- else {
- VT = MVT::LAST_VALUETYPE;
- break;
- }
- }
+ std::vector<MVT::ValueType> FPVTs =
+ FilterVTs(CGT.getLegalValueTypes(), MVT::isFloatingPoint);
// If we found exactly one supported FP type, apply it.
- if (VT != MVT::LAST_VALUETYPE)
- return NodeToApply->UpdateNodeType(VT, TP);
+ if (FPVTs.size() == 1)
+ return NodeToApply->UpdateNodeType(FPVTs[0], TP);
return false;
}
case SDTCisSameAs: {
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