[llvm] 54ec8e2 - [X86][AMX] Fix klockwork issue.

[via llvm-commits]

Author: Luo, Yuanke
Date: 2022-06-15T09:26:59+08:00
New Revision: 54ec8e25fcc5f638832bbbf9104a0fadca231007

URL: https://github.com/llvm/llvm-project/commit/54ec8e25fcc5f638832bbbf9104a0fadca231007
DIFF: https://github.com/llvm/llvm-project/commit/54ec8e25fcc5f638832bbbf9104a0fadca231007.diff

LOG: [X86][AMX] Fix klockwork issue.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86FastPreTileConfig.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86FastPreTileConfig.cpp b/llvm/lib/Target/X86/X86FastPreTileConfig.cpp
index 754baf2973d5..7e5540022cc8 100644
--- a/llvm/lib/Target/X86/X86FastPreTileConfig.cpp
+++ b/llvm/lib/Target/X86/X86FastPreTileConfig.cpp
@@ -374,7 +374,7 @@ void X86FastPreTileConfig::convertPHI(MachineBasicBlock *MBB,
         // The PHI node is coverted to tileload instruction. Get the stack
         // address from tileload operands.
         MachineInstr *TileLoad = MRI->getVRegDef(InTileReg);
-        assert(TileLoad->getOpcode() == X86::PTILELOADDV);
+        assert(TileLoad && TileLoad->getOpcode() == X86::PTILELOADDV);
         Register InRowReg = TileLoad->getOperand(1).getReg();
         Register InColReg = TileLoad->getOperand(2).getReg();
         Register InStackAddrReg = TileLoad->getOperand(3).getReg();