[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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214347 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/FastISel.h b/include/llvm/CodeGen/FastISel.h
index 0d1b1dc09560815f8b4f5edc7c7b6160aad95c3e..7af25db904794b7b9bcc186ce02b67e02206741b 100644 (file)
--- a/include/llvm/CodeGen/FastISel.h
+++ b/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/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 2d494b4aeeb6860d706b930a1a07fa7523945140..52e65670a50b0e99a44acc33bb0f76cf91b3cad6 100644 (file)
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/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()) {