[llvm] ad3c91e - MemoryBuiltins: Don't check for unsized allocas

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2022-11-16T09:13:11-08:00
New Revision: ad3c91eedc39cdbff6d893df00efba850d8cff97

URL: https://github.com/llvm/llvm-project/commit/ad3c91eedc39cdbff6d893df00efba850d8cff97
DIFF: https://github.com/llvm/llvm-project/commit/ad3c91eedc39cdbff6d893df00efba850d8cff97.diff

LOG: MemoryBuiltins: Don't check for unsized allocas

The verifier rejects these.

Added: 
    

Modified: 
    llvm/lib/Analysis/MemoryBuiltins.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index 351e81aac05d..1cba0571f1fc 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -783,9 +783,6 @@ bool ObjectSizeOffsetVisitor::CheckedZextOrTrunc(APInt &I) {
 }
 
 SizeOffsetType ObjectSizeOffsetVisitor::visitAllocaInst(AllocaInst &I) {
-  if (!I.getAllocatedType()->isSized())
-    return unknown();
-
   TypeSize ElemSize = DL.getTypeAllocSize(I.getAllocatedType());
   if (ElemSize.isScalable() && Options.EvalMode != ObjectSizeOpts::Mode::Min)
     return unknown();