[llvm] 05db0c4 - [AMDGPU] Add CmpLG and OrN2 operators to LaneMaskConstants (#179493)

[via llvm-commits]

Author: idubinov
Date: 2026-02-04T10:55:56Z
New Revision: 05db0c466afc9c6fac4ed2785fac8b4709c7cdf4

URL: https://github.com/llvm/llvm-project/commit/05db0c466afc9c6fac4ed2785fac8b4709c7cdf4
DIFF: https://github.com/llvm/llvm-project/commit/05db0c466afc9c6fac4ed2785fac8b4709c7cdf4.diff

LOG: [AMDGPU] Add CmpLG and OrN2 operators to LaneMaskConstants (#179493)

Add CmpLG and OrN2 operators to be able to use the LaneMaskConstants in
PhiLoweringHelper from SILowerI1Copies

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/AMDGPULaneMaskUtils.h

Removed: 
    


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diff  --git a/llvm/lib/Target/AMDGPU/AMDGPULaneMaskUtils.h b/llvm/lib/Target/AMDGPU/AMDGPULaneMaskUtils.h
index df80196d95176..95d88c7af368c 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULaneMaskUtils.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPULaneMaskUtils.h
@@ -31,10 +31,12 @@ class LaneMaskConstants {
   const unsigned AndSaveExecTermOpc;
   const unsigned BfmOpc;
   const unsigned CMovOpc;
+  const unsigned CmpLGOp;
   const unsigned CSelectOpc;
   const unsigned MovOpc;
   const unsigned MovTermOpc;
   const unsigned OrOpc;
+  const unsigned OrN2Op;
   const unsigned OrTermOpc;
   const unsigned OrSaveExecOpc;
   const unsigned XorOpc;
@@ -57,10 +59,12 @@ class LaneMaskConstants {
                                     : AMDGPU::S_AND_SAVEEXEC_B64_term),
         BfmOpc(IsWave32 ? AMDGPU::S_BFM_B32 : AMDGPU::S_BFM_B64),
         CMovOpc(IsWave32 ? AMDGPU::S_CMOV_B32 : AMDGPU::S_CMOV_B64),
+        CmpLGOp(IsWave32 ? AMDGPU::S_CMP_LG_U32 : AMDGPU::S_CMP_LG_U64),
         CSelectOpc(IsWave32 ? AMDGPU::S_CSELECT_B32 : AMDGPU::S_CSELECT_B64),
         MovOpc(IsWave32 ? AMDGPU::S_MOV_B32 : AMDGPU::S_MOV_B64),
         MovTermOpc(IsWave32 ? AMDGPU::S_MOV_B32_term : AMDGPU::S_MOV_B64_term),
         OrOpc(IsWave32 ? AMDGPU::S_OR_B32 : AMDGPU::S_OR_B64),
+        OrN2Op(IsWave32 ? AMDGPU::S_ORN2_B32 : AMDGPU::S_ORN2_B64),
         OrTermOpc(IsWave32 ? AMDGPU::S_OR_B32_term : AMDGPU::S_OR_B64_term),
         OrSaveExecOpc(IsWave32 ? AMDGPU::S_OR_SAVEEXEC_B32
                                : AMDGPU::S_OR_SAVEEXEC_B64),