[llvm] 44582af - Fix an unused-variable warning in release build, NFC.

[Haojian Wu via llvm-commits]

Author: Haojian Wu
Date: 2022-06-19T20:52:00+02:00
New Revision: 44582afe48da61d683a94c1195eb8c2a12349ad6

URL: https://github.com/llvm/llvm-project/commit/44582afe48da61d683a94c1195eb8c2a12349ad6
DIFF: https://github.com/llvm/llvm-project/commit/44582afe48da61d683a94c1195eb8c2a12349ad6.diff

LOG: Fix an unused-variable warning in release build, NFC.

Added: 
    

Modified: 
    llvm/lib/CodeGen/MachineLoopUtils.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/MachineLoopUtils.cpp b/llvm/lib/CodeGen/MachineLoopUtils.cpp
index bf7d26dda985..0e8335d4974d 100644
--- a/llvm/lib/CodeGen/MachineLoopUtils.cpp
+++ b/llvm/lib/CodeGen/MachineLoopUtils.cpp
@@ -67,6 +67,7 @@ MachineBasicBlock *llvm::PeelSingleBlockLoop(LoopPeelDirection Direction,
               MRI.constrainRegClass(R, MRI.getRegClass(Use->getReg()));
           assert(ConstrainRegClass &&
                  "Expected a valid constrained register class!");
+          (void)ConstrainRegClass;
           Use->setReg(R);
         }
       }