[llvm-branch-commits] [llvm] [AMDGPU] Allow 16-bit imm folding in real true16 (PR #173318)

[Brox Chen via llvm-branch-commits]

================
@@ -1335,6 +1336,15 @@ bool SIInstrInfo::getConstValDefinedInReg(const 
MachineInstr &MI,
 
     return false;
   }
+  case AMDGPU::V_MOV_B16_t16_e64: {
----------------
broxigarchen wrote:

We might also want to check for src modifier of v_mov_b16_t16 here. Although 
from my understanding we didn't use it so far

https://github.com/llvm/llvm-project/pull/173318
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