Fix MSV signed/unsigned mismatch warning. NFC.

RKSimon · RKSimon · commit afdc0c5c96a7 · 2023-11-15T12:00:32.000Z
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp b/llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp
@@ -378,7 +378,7 @@ void applyExtAddvToUdotAddv(MachineInstr &MI, MachineRegisterInfo &MRI,
           Builder.buildUnmerge(LLT::fixed_vector(16, 8), Ext1SrcReg);
       MachineInstr *Ext2Unmerge =
           Builder.buildUnmerge(LLT::fixed_vector(16, 8), Ext2SrcReg);
-      for (unsigned i = 0; i < SrcTy.getNumElements() / 16; i++) {
+      for (unsigned i = 0, e = SrcTy.getNumElements() / 16; i < e; i++) {
         Ext1UnmergeReg.push_back(Ext1Unmerge->getOperand(i).getReg());
         Ext2UnmergeReg.push_back(Ext2Unmerge->getOperand(i).getReg());
       }

Original file line number	Diff line number	Diff line change
`@@ -378,7 +378,7 @@ void applyExtAddvToUdotAddv(MachineInstr &MI, MachineRegisterInfo &MRI,`
`378`	`378`	`Builder.buildUnmerge(LLT::fixed_vector(16, 8), Ext1SrcReg);`
`379`	`379`	`MachineInstr *Ext2Unmerge =`
`380`	`380`	`Builder.buildUnmerge(LLT::fixed_vector(16, 8), Ext2SrcReg);`
`381`		`- for (unsigned i = 0; i < SrcTy.getNumElements() / 16; i++) {`
	`381`	`+ for (unsigned i = 0, e = SrcTy.getNumElements() / 16; i < e; i++) {`
`382`	`382`	`Ext1UnmergeReg.push_back(Ext1Unmerge->getOperand(i).getReg());`
`383`	`383`	`Ext2UnmergeReg.push_back(Ext2Unmerge->getOperand(i).getReg());`
`384`	`384`	`}`