[FastISel] Move the helper function isCommutativeIntrinsic into FastISel base class.

Move the helper function isCommutativeIntrinsic into the FastISel base class,
so it can be used by more than just one backend.

llvm-svn: 214347

diff --git a/llvm/include/llvm/CodeGen/FastISel.h b/llvm/include/llvm/CodeGen/FastISel.h
index 0d1b1dc..7af25db 100644 (file)
--- a/llvm/include/llvm/CodeGen/FastISel.h
+++ b/llvm/include/llvm/CodeGen/FastISel.h
@@ -20,6 +20,7 @@
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/Target/TargetLowering.h"
 #include "llvm/IR/CallingConv.h"
+#include "llvm/IR/IntrinsicInst.h"
 
 namespace llvm {
 
@@ -30,7 +31,6 @@ class CallInst;
 class DataLayout;
 class FunctionLoweringInfo;
 class Instruction;
-class IntrinsicInst;
 class LoadInst;
 class MVT;
 class MachineConstantPool;
@@ -533,6 +533,18 @@ protected:
   bool LowerCallTo(const CallInst *CI, const char *SymName, unsigned NumArgs);
   bool LowerCallTo(CallLoweringInfo &CLI);
 
+  bool isCommutativeIntrinsic(IntrinsicInst const *II) {
+    switch (II->getIntrinsicID()) {
+    case Intrinsic::sadd_with_overflow:
+    case Intrinsic::uadd_with_overflow:
+    case Intrinsic::smul_with_overflow:
+    case Intrinsic::umul_with_overflow:
+      return true;
+    default:
+      return false;
+    }
+  }
+
 private:
   bool SelectBinaryOp(const User *I, unsigned ISDOpcode);
 

diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index 2d494b4..52e6567 100644 (file)
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -2163,18 +2163,6 @@ bool X86FastISel::TryEmitSmallMemcpy(X86AddressMode DestAM,
   return true;
 }
 
-static bool isCommutativeIntrinsic(IntrinsicInst const *II) {
-  switch (II->getIntrinsicID()) {
-  case Intrinsic::sadd_with_overflow:
-  case Intrinsic::uadd_with_overflow:
-  case Intrinsic::smul_with_overflow:
-  case Intrinsic::umul_with_overflow:
-    return true;
-  default:
-    return false;
-  }
-}
-
 bool X86FastISel::FastLowerIntrinsicCall(const IntrinsicInst *II) {
   // FIXME: Handle more intrinsics.
   switch (II->getIntrinsicID()) {