[AMDGPU][SILoadStoreOptimizer] Fix unused variable warning

[googlewalt]

Fix unused variable warning that fires in SILoadStoreOptimizer.cpp when assertions are disabled. On review, we can just delete the whole assert, since it isn't querying the def anymore. Fixes #176816 (13b20e7).

[llvmbot]

@llvm/pr-subscribers-backend-amdgpu

Author: Walter Lee (googlewalt)

Changes

Fix unused variable warning that fires n SILoadStoreOptimizer.cpp when assertions are disabled. Fixes #176816 (13b20e7).

---

Full diff: https://github.com/llvm/llvm-project/pull/177969.diff

1 Files Affected:

• (modified) llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp (+2-2)

diff --git a/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp b/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
index a3c5fb2fa6ca0..bbee86c603cd2 100644
--- a/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
@@ -2282,8 +2282,8 @@ bool SILoadStoreOptimizer::processBaseWithConstOffset64(
   }
 
   // Now extract the base register (which should be a 64-bit VGPR).
-  MachineInstr *BaseDef = MRI->getVRegDef(BaseOp->getReg());
-  assert(BaseDef && "Expected definition for base register");
+  assert(MRI->getVRegDef(BaseOp->getReg()) &&
+         "Expected definition for base register");
   Addr.Base.LoReg = BaseOp->getReg();
   Addr.Base.UseV64Pattern = true;
   return true;

[RyanRio]

Thanks all