[llvm] 30a1d91 - [X86] Reduce scope of DestReg and use specific Register type not unsigned. NFCI.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2020-10-31T11:46:07Z
New Revision: 30a1d91127aa9c650ac1af91d61fd25e71d390ee

URL: https://github.com/llvm/llvm-project/commit/30a1d91127aa9c650ac1af91d61fd25e71d390ee
DIFF: https://github.com/llvm/llvm-project/commit/30a1d91127aa9c650ac1af91d61fd25e71d390ee.diff

LOG: [X86] Reduce scope of DestReg and use specific Register type not unsigned. NFCI.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86FastISel.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index bf6cface13d5..e59ebd701528 100644
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -2708,10 +2708,9 @@ bool X86FastISel::fastLowerIntrinsicCall(const IntrinsicInst *II) {
     // movq (%rax), %rax
     // movq (%rax), %rax
     // ...
-    unsigned DestReg;
     unsigned Depth = cast<ConstantInt>(II->getOperand(0))->getZExtValue();
     while (Depth--) {
-      DestReg = createResultReg(RC);
+      Register DestReg = createResultReg(RC);
       addDirectMem(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
                            TII.get(Opc), DestReg), SrcReg);
       SrcReg = DestReg;