[llvm] 6f69ade - PeepholeOpt: Remove null TargetRegisterInfo check (#123933)

[via llvm-commits]

Author: Matt Arsenault
Date: 2025-01-23T08:57:04+07:00
New Revision: 6f69adeed6728e49c16d47bdde658285f49c8ed7

URL: https://github.com/llvm/llvm-project/commit/6f69adeed6728e49c16d47bdde658285f49c8ed7
DIFF: https://github.com/llvm/llvm-project/commit/6f69adeed6728e49c16d47bdde658285f49c8ed7.diff

LOG: PeepholeOpt: Remove null TargetRegisterInfo check (#123933)

This cannot happen. Also simplify the LaneBitmask check from !none
to any.

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 d56f040cf421fd..5fc8f419e80a5d 100644
--- a/llvm/lib/CodeGen/PeepholeOptimizer.cpp
+++ b/llvm/lib/CodeGen/PeepholeOptimizer.cpp
@@ -2048,9 +2048,9 @@ ValueTrackerResult ValueTracker::getNextSourceFromInsertSubreg() {
   // Get the TRI and check if the inserted sub-register overlaps with the
   // sub-register we are tracking.
   const TargetRegisterInfo *TRI = MRI.getTargetRegisterInfo();
-  if (!TRI || !(TRI->getSubRegIndexLaneMask(DefSubReg) &
-                TRI->getSubRegIndexLaneMask(InsertedReg.SubIdx))
-                   .none())
+  if ((TRI->getSubRegIndexLaneMask(DefSubReg) &
+       TRI->getSubRegIndexLaneMask(InsertedReg.SubIdx))
+          .any())
     return ValueTrackerResult();
   // At this point, the value is available in v0 via the same subreg
   // we used for Def.