[llvm-commits] CVS: llvm/lib/Analysis/ConstantFolding.cpp ScalarEvolution.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis:

ConstantFolding.cpp updated: 1.10 -> 1.11
ScalarEvolution.cpp updated: 1.90 -> 1.91
---
Log message:

adjust to constant folding api changes.


---
Diffs of the changes:  (+8 -7)

 ConstantFolding.cpp |   11 ++++++-----
 ScalarEvolution.cpp |    4 ++--
 2 files changed, 8 insertions(+), 7 deletions(-)


Index: llvm/lib/Analysis/ConstantFolding.cpp
diff -u llvm/lib/Analysis/ConstantFolding.cpp:1.10 
llvm/lib/Analysis/ConstantFolding.cpp:1.11
--- llvm/lib/Analysis/ConstantFolding.cpp:1.10  Mon Jan 15 00:27:37 2007
+++ llvm/lib/Analysis/ConstantFolding.cpp       Tue Jan 30 17:15:43 2007
@@ -85,23 +85,24 @@
   }
 }
 
-Constant *
-llvm::ConstantFoldFP(double (*NativeFP)(double), double V, const Type *Ty) {
+static Constant *ConstantFoldFP(double (*NativeFP)(double), double V, 
+                                const Type *Ty) {
   errno = 0;
   V = NativeFP(V);
   if (errno == 0)
     return ConstantFP::get(Ty, V);
+  errno = 0;
   return 0;
 }
 
 /// ConstantFoldCall - Attempt to constant fold a call to the specified 
function
 /// with the specified arguments, returning null if unsuccessful.
 Constant *
-llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) {
+llvm::ConstantFoldCall(Function *F, Constant** Operands, unsigned NumOperands) 
{
   const std::string &Name = F->getName();
   const Type *Ty = F->getReturnType();
 
-  if (Operands.size() == 1) {
+  if (NumOperands == 1) {
     if (ConstantFP *Op = dyn_cast<ConstantFP>(Operands[0])) {
       double V = Op->getValue();
       switch (Name[0])
@@ -172,7 +173,7 @@
       else if (Name == "llvm.bswap.i64")
         return ConstantInt::get(Ty, ByteSwap_64(V));
     }
-  } else if (Operands.size() == 2) {
+  } else if (NumOperands == 2) {
     if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) {
       double Op1V = Op1->getValue();
       if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) {


Index: llvm/lib/Analysis/ScalarEvolution.cpp
diff -u llvm/lib/Analysis/ScalarEvolution.cpp:1.90 
llvm/lib/Analysis/ScalarEvolution.cpp:1.91
--- llvm/lib/Analysis/ScalarEvolution.cpp:1.90  Fri Jan 19 15:13:56 2007
+++ llvm/lib/Analysis/ScalarEvolution.cpp       Tue Jan 30 17:15:43 2007
@@ -1761,8 +1761,8 @@
     return ConstantExpr::getSelect(Operands[0], Operands[1], Operands[2]);
   case Instruction::Call:
     if (Function *GV = dyn_cast<Function>(Operands[0])) {
-      Operands.erase(Operands.begin());
-      return ConstantFoldCall(cast<Function>(GV), Operands);
+      return ConstantFoldCall(cast<Function>(GV), &Operands[1],
+                              Operands.size()-1);
     }
     return 0;
   case Instruction::GetElementPtr: {



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