X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FCostModel.cpp;h=98a7780ad9a6b16d157e4af459be658eb86baee9;hb=08368387a450dc2b5681000e2728ec702a8f1197;hp=44684a9685bba119dc2088f0c67eac2009e0336f;hpb=4fc6484ee2439a9506d525ca757171e0ecc07744;p=oota-llvm.git

diff --git a/lib/Analysis/CostModel.cpp b/lib/Analysis/CostModel.cpp
index 44684a9685b..98a7780ad9a 100644
--- a/lib/Analysis/CostModel.cpp
+++ b/lib/Analysis/CostModel.cpp
@@ -23,6 +23,7 @@
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/Debug.h"
@@ -87,6 +88,23 @@ static bool isReverseVectorMask(SmallVector<int, 16> &Mask) {
   return true;
 }
 
+static TargetTransformInfo::OperandValueKind getOperandInfo(Value *V) {
+  TargetTransformInfo::OperandValueKind OpInfo =
+    TargetTransformInfo::OK_AnyValue;
+
+  // Check for a splat of a constant.
+  ConstantDataVector *CDV = 0;
+  if ((CDV = dyn_cast<ConstantDataVector>(V)))
+    if (CDV->getSplatValue() != NULL)
+      OpInfo = TargetTransformInfo::OK_UniformConstantValue;
+  ConstantVector *CV = 0;
+  if ((CV = dyn_cast<ConstantVector>(V)))
+    if (CV->getSplatValue() != NULL)
+      OpInfo = TargetTransformInfo::OK_UniformConstantValue;
+
+  return OpInfo;
+}
+
 unsigned CostModelAnalysis::getInstructionCost(const Instruction *I) const {
   if (!TTI)
     return -1;
@@ -120,7 +138,12 @@ unsigned CostModelAnalysis::getInstructionCost(const Instruction *I) const {
   case Instruction::And:
   case Instruction::Or:
   case Instruction::Xor: {
-    return TTI->getArithmeticInstrCost(I->getOpcode(), I->getType());
+    TargetTransformInfo::OperandValueKind Op1VK =
+      getOperandInfo(I->getOperand(0));
+    TargetTransformInfo::OperandValueKind Op2VK =
+      getOperandInfo(I->getOperand(1));
+    return TTI->getArithmeticInstrCost(I->getOpcode(), I->getType(), Op1VK,
+                                       Op2VK);
   }
   case Instruction::Select: {
     const SelectInst *SI = cast<SelectInst>(I);
@@ -189,6 +212,16 @@ unsigned CostModelAnalysis::getInstructionCost(const Instruction *I) const {
                                  0);
     return -1;
   }
+  case Instruction::Call:
+    if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(I)) {
+      SmallVector<Type*, 4> Tys;
+      for (unsigned J = 0, JE = II->getNumArgOperands(); J != JE; ++J)
+        Tys.push_back(II->getArgOperand(J)->getType());
+
+      return TTI->getIntrinsicInstrCost(II->getIntrinsicID(), II->getType(),
+                                        Tys);
+    }
+    return -1;
   default:
     // We don't have any information on this instruction.
     return -1;