[llvm] 4b64ce7 - Improve 723fea23079f9c85800e5cdc90a75414af182bfd - Silence 'warning: unused variable' when compiling with Clang 10.0

[Alexandre Ganea via llvm-commits]

Author: Alexandre Ganea
Date: 2020-09-24T09:07:22-04:00
New Revision: 4b64ce7428b66cacfe74dbd9dbc29aff6dfb84af

URL: https://github.com/llvm/llvm-project/commit/4b64ce7428b66cacfe74dbd9dbc29aff6dfb84af
DIFF: https://github.com/llvm/llvm-project/commit/4b64ce7428b66cacfe74dbd9dbc29aff6dfb84af.diff

LOG: Improve 723fea23079f9c85800e5cdc90a75414af182bfd - Silence 'warning: unused variable' when compiling with Clang 10.0

Added: 
    

Modified: 
    llvm/lib/CodeGen/PeepholeOptimizer.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/PeepholeOptimizer.cpp b/llvm/lib/CodeGen/PeepholeOptimizer.cpp
index 4f05468d976b..e35671113703 100644
--- a/llvm/lib/CodeGen/PeepholeOptimizer.cpp
+++ b/llvm/lib/CodeGen/PeepholeOptimizer.cpp
@@ -1413,10 +1413,8 @@ bool PeepholeOptimizer::foldRedundantCopy(
 
   MachineInstr *PrevCopy = CopyMIs.find(SrcPair)->second;
 
-#ifndef NDEBUG
-  unsigned PrevSrcSubReg = PrevCopy->getOperand(1).getSubReg();
-#endif
-  assert(SrcSubReg == PrevSrcSubReg && "Unexpected mismatching subreg!");
+  assert(SrcSubReg == PrevCopy->getOperand(1).getSubReg() &&
+         "Unexpected mismatching subreg!");
 
   Register PrevDstReg = PrevCopy->getOperand(0).getReg();