1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h b/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
index b70e6883bae2..26996e42af53 100644
--- a/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
+++ b/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
@@ -300,6 +300,10 @@ private:
   bool isInlineImmediate64(int64_t Imm) const;
   bool isInlineImmediate(const APFloat &Imm) const;
 
+  // Returns true if TargetOpcode::G_AND MachineInstr `MI`'s masking of the
+  // shift amount operand's `ShAmtBits` bits is unneeded.
+  bool isUnneededShiftMask(const MachineInstr &MI, unsigned ShAmtBits) const;
+
   const SIInstrInfo &TII;
   const SIRegisterInfo &TRI;
   const AMDGPURegisterBankInfo &RBI;