[llvm] 4198649 - [AMDGPU] Use encodeFieldVaVdst in hazard recognizer. NFCI. (#153881)

[via llvm-commits]

Author: Stanislav Mekhanoshin
Date: 2025-08-15T17:50:27-07:00
New Revision: 4198649c1996d5a9579971482ffddf3509e7b0fe

URL: https://github.com/llvm/llvm-project/commit/4198649c1996d5a9579971482ffddf3509e7b0fe
DIFF: https://github.com/llvm/llvm-project/commit/4198649c1996d5a9579971482ffddf3509e7b0fe.diff

LOG: [AMDGPU] Use encodeFieldVaVdst in hazard recognizer. NFCI. (#153881)

Co-authored-by: Stephen Thomas <Stephen.Thomas at amd.com>

---------

Co-authored-by: Stephen Thomas <Stephen.Thomas at amd.com>

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
index fa3ca27a5f47c..49a681efc79c7 100644
--- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
@@ -1749,7 +1749,7 @@ bool GCNHazardRecognizer::fixVALUPartialForwardingHazard(MachineInstr *MI) {
 
   BuildMI(*MI->getParent(), MI, MI->getDebugLoc(),
           TII.get(AMDGPU::S_WAITCNT_DEPCTR))
-      .addImm(0x0fff);
+      .addImm(AMDGPU::DepCtr::encodeFieldVaVdst(0));
 
   return true;
 }
@@ -1799,7 +1799,7 @@ bool GCNHazardRecognizer::fixVALUTransUseHazard(MachineInstr *MI) {
     if (SIInstrInfo::isVMEM(I) || SIInstrInfo::isDS(I) ||
         SIInstrInfo::isEXP(I) ||
         (I.getOpcode() == AMDGPU::S_WAITCNT_DEPCTR &&
-         I.getOperand(0).getImm() == 0x0fff))
+         AMDGPU::DepCtr::decodeFieldVaVdst(I.getOperand(0).getImm()) == 0))
       return HazardExpired;
 
     // Track registers writes