split 943 lines of instcombine out to a new InstCombineCasts.cpp
file. InstructionCombining.cpp is now down to a svelte 9300 lines :)
llvm-svn: 92468
diff --git a/llvm/lib/Transforms/InstCombine/InstCombine.h b/llvm/lib/Transforms/InstCombine/InstCombine.h
index a1e9f2f..7e20be4 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombine.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombine.h
@@ -193,7 +193,17 @@
Instruction *visitInstruction(Instruction &I) { return 0; }
private:
+ bool ShouldChangeType(const Type *From, const Type *To) const;
Value *dyn_castNegVal(Value *V) const;
+ const Type *FindElementAtOffset(const Type *Ty, int64_t Offset,
+ SmallVectorImpl<Value*> &NewIndices);
+ Instruction *FoldOpIntoSelect(Instruction &Op, SelectInst *SI);
+
+ /// ValueRequiresCast - Return true if the cast from "V to Ty" actually
+ /// results in any code being generated. It does not require codegen if V is
+ /// simple enough or if the cast can be folded into other casts.
+ bool ValueRequiresCast(Instruction::CastOps opcode,const Value *V,
+ const Type *Ty);
Instruction *visitCallSite(CallSite CS);
bool transformConstExprCastCall(CallSite CS);