diff options
Diffstat (limited to 'include/llvm/Analysis/TargetTransformInfo.h')
| -rw-r--r-- | include/llvm/Analysis/TargetTransformInfo.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/llvm/Analysis/TargetTransformInfo.h b/include/llvm/Analysis/TargetTransformInfo.h index cd8c2cd242443..af2ebb7b6b44f 100644 --- a/include/llvm/Analysis/TargetTransformInfo.h +++ b/include/llvm/Analysis/TargetTransformInfo.h @@ -235,6 +235,11 @@ public: /// starting with the sources of divergence. bool isSourceOfDivergence(const Value *V) const; + // \brief Returns true for the target specific + // set of operations which produce uniform result + // even taking non-unform arguments + bool isAlwaysUniform(const Value *V) const; + /// Returns the address space ID for a target's 'flat' address space. Note /// this is not necessarily the same as addrspace(0), which LLVM sometimes /// refers to as the generic address space. The flat address space is a @@ -821,6 +826,7 @@ public: virtual int getUserCost(const User *U) = 0; virtual bool hasBranchDivergence() = 0; virtual bool isSourceOfDivergence(const Value *V) = 0; + virtual bool isAlwaysUniform(const Value *V) = 0; virtual unsigned getFlatAddressSpace() = 0; virtual bool isLoweredToCall(const Function *F) = 0; virtual void getUnrollingPreferences(Loop *L, UnrollingPreferences &UP) = 0; @@ -873,7 +879,7 @@ public: virtual int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm, Type *Ty) = 0; virtual unsigned getNumberOfRegisters(bool Vector) = 0; - virtual unsigned getRegisterBitWidth(bool Vector) = 0; + virtual unsigned getRegisterBitWidth(bool Vector) const = 0; virtual unsigned getMinVectorRegisterBitWidth() = 0; virtual bool shouldConsiderAddressTypePromotion( const Instruction &I, bool &AllowPromotionWithoutCommonHeader) = 0; @@ -998,6 +1004,10 @@ public: return Impl.isSourceOfDivergence(V); } + bool isAlwaysUniform(const Value *V) override { + return Impl.isAlwaysUniform(V); + } + unsigned getFlatAddressSpace() override { return Impl.getFlatAddressSpace(); } @@ -1119,7 +1129,7 @@ public: unsigned getNumberOfRegisters(bool Vector) override { return Impl.getNumberOfRegisters(Vector); } - unsigned getRegisterBitWidth(bool Vector) override { + unsigned getRegisterBitWidth(bool Vector) const override { return Impl.getRegisterBitWidth(Vector); } unsigned getMinVectorRegisterBitWidth() override { |