[llvm] 9e14ffa - [RISCV] Add PACK/PACKH/PACKW to hasAllWUsers in RISCVSExtWRemoval.

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2022-11-13T11:34:14-08:00
New Revision: 9e14ffa444cdef7ab6fbebb0a4e61474d3f5df09

URL: https://github.com/llvm/llvm-project/commit/9e14ffa444cdef7ab6fbebb0a4e61474d3f5df09
DIFF: https://github.com/llvm/llvm-project/commit/9e14ffa444cdef7ab6fbebb0a4e61474d3f5df09.diff

LOG: [RISCV] Add PACK/PACKH/PACKW to hasAllWUsers in RISCVSExtWRemoval.

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp b/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp
index d2e23a172b019..169d1866df583 100644
--- a/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp
+++ b/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp
@@ -118,6 +118,9 @@ static bool hasAllWUsers(const MachineInstr &OrigMI, MachineRegisterInfo &MRI) {
       case RISCV::SEXT_B:
       case RISCV::SEXT_H:
       case RISCV::ZEXT_H_RV64:
+      case RISCV::PACK:
+      case RISCV::PACKH:
+      case RISCV::PACKW:
         break;
 
       // these overwrite higher input bits, otherwise the lower word of output