Add TableGen support for callee saved registers.

[oota-llvm.git] / utils / TableGen / CodeGenDAGPatterns.cpp

diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 4954f339869ac8c333f1417ff54e8e5871f7ad1c..5087935d91d691a468e6b1048bbc04b4e7c1cdd1 100644 (file)
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -18,6 +18,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
 #include <set>
 #include <algorithm>
 using namespace llvm;
@@ -629,11 +630,11 @@ TreePredicateFn::TreePredicateFn(TreePattern *N) : PatFragRec(N) {
 }
 
 std::string TreePredicateFn::getPredCode() const {
-  return PatFragRec->getRecord()->getValueAsCode("PredicateCode");
+  return PatFragRec->getRecord()->getValueAsString("PredicateCode");
 }
 
 std::string TreePredicateFn::getImmCode() const {
-  return PatFragRec->getRecord()->getValueAsCode("ImmediateCode");
+  return PatFragRec->getRecord()->getValueAsString("ImmediateCode");
 }
 
 
@@ -839,7 +840,6 @@ bool SDTypeConstraint::ApplyTypeConstraint(TreePatternNode *N,
   TreePatternNode *NodeToApply = getOperandNum(OperandNo, N, NodeInfo, ResNo);
 
   switch (ConstraintType) {
-  default: assert(0 && "Unknown constraint type!");
   case SDTCisVT:
     // Operand must be a particular type.
     return NodeToApply->UpdateNodeType(ResNo, x.SDTCisVT_Info.VT, TP);
@@ -913,7 +913,7 @@ bool SDTypeConstraint::ApplyTypeConstraint(TreePatternNode *N,
       EnforceVectorSubVectorTypeIs(NodeToApply->getExtType(ResNo), TP);
   }
   }
-  return false;
+  llvm_unreachable("Invalid ConstraintType!");
 }
 
 //===----------------------------------------------------------------------===//
@@ -2071,7 +2071,7 @@ void CodeGenDAGPatterns::ParseNodeTransforms() {
   while (!Xforms.empty()) {
     Record *XFormNode = Xforms.back();
     Record *SDNode = XFormNode->getValueAsDef("Opcode");
-    std::string Code = XFormNode->getValueAsCode("XFormFunction");
+    std::string Code = XFormNode->getValueAsString("XFormFunction");
     SDNodeXForms.insert(std::make_pair(XFormNode, NodeXForm(SDNode, Code)));
 
     Xforms.pop_back();
@@ -2829,6 +2829,12 @@ void CodeGenDAGPatterns::InferInstructionFlags() {
     InstInfo.isBitcast = IsBitcast;
     InstInfo.hasSideEffects = HasSideEffects;
     InstInfo.Operands.isVariadic = IsVariadic;
+
+    // Sanity checks.
+    if (InstInfo.isReMaterializable && InstInfo.hasSideEffects)
+      throw TGError(InstInfo.TheDef->getLoc(), "The instruction " +
+                    InstInfo.TheDef->getName() +
+                    " is rematerializable AND has unmodeled side effects?");
   }
 }