update comments

Author: broxigarchen

llvm/lib/Target/AMDGPU/SIInstrInfo.cpp

@@ -7745,7 +7745,7 @@ void SIInstrInfo::moveToVALUImpl(SIInstrWorklist &Worklist,
       return;
     }
 
-    // in true16 mode, if this is a v2s copy src between vgpr16 and sgpr32,
+    // If this is a v2s copy src from vgpr16 to sgpr32,
     // replace vgpr copy to subreg_to_reg
     if (ST.useRealTrue16Insts() && Inst.isCopy() &&
         Inst.getOperand(1).getReg().isVirtual() &&

llvm/test/CodeGen/AMDGPU/fix-sgpr-copies-f16-true16.mir

@@ -18,10 +18,10 @@ body:             |
 ...
 
 ---
-name:            s_xor_b32
+name:            s_or_b32
 body:             |
   bb.0:
-    ; GCN-LABEL: name: s_xor_b32
+    ; GCN-LABEL: name: s_or_b32
     ; GCN: [[DEF:%[0-9]+]]:vgpr_16 = IMPLICIT_DEF
     ; GCN-NEXT: [[V_CVT_F16_U16_t16_e64_:%[0-9]+]]:vgpr_16 = V_CVT_F16_U16_t16_e64 0, [[DEF]], 0, 0, 0, implicit $mode, implicit $exec
     ; GCN-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:vgpr_32 = SUBREG_TO_REG 0, [[V_CVT_F16_U16_t16_e64_]], %subreg.lo16