Add missing arg name comment

RKSimon · RKSimon · commit 8c83fd8242ac · 2024-08-30T18:45:20.000+01:00
diff --git a/llvm/lib/Target/X86/X86InstCombineIntrinsic.cpp b/llvm/lib/Target/X86/X86InstCombineIntrinsic.cpp
@@ -2157,7 +2157,7 @@ static bool simplifyX86VPERMMask(Instruction *II, bool IsBinary,
   APInt DemandedMask = APInt::getLowBitsSet(EltSizeInBits, IdxSizeInBits);
 
   KnownBits KnownMask(EltSizeInBits);
-  return IC.SimplifyDemandedBits(II, 1, DemandedMask, KnownMask);
+  return IC.SimplifyDemandedBits(II, /*OpNo=*/1, DemandedMask, KnownMask);
 }
 
 std::optional<Instruction *>

Original file line number	Diff line number	Diff line change
`@@ -2157,7 +2157,7 @@ static bool simplifyX86VPERMMask(Instruction *II, bool IsBinary,`
`2157`	`2157`	`APInt DemandedMask = APInt::getLowBitsSet(EltSizeInBits, IdxSizeInBits);`
`2158`	`2158`
`2159`	`2159`	`KnownBits KnownMask(EltSizeInBits);`
`2160`		`- return IC.SimplifyDemandedBits(II, 1, DemandedMask, KnownMask);`
	`2160`	`+ return IC.SimplifyDemandedBits(II, /OpNo=/1, DemandedMask, KnownMask);`
`2161`	`2161`	`}`
`2162`	`2162`
`2163`	`2163`	`std::optional<Instruction *>`