[PATCH] D70138: [TargetLowering] Increase the storage size of NumRegistersForVT to allow the type break down for v256i1 and other types to be stored correctly

[Craig Topper via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG84e83b54bd79: [TargetLowering] Increase the storage size of NumRegistersForVT to allow the… (authored by craig.topper).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70138/new/

https://reviews.llvm.org/D70138

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/CodeGen/TargetLoweringBase.cpp


Index: llvm/lib/CodeGen/TargetLoweringBase.cpp
===================================================================
--- llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -1332,8 +1332,11 @@
       MVT IntermediateVT;
       MVT RegisterVT;
       unsigned NumIntermediates;
-      NumRegistersForVT[i] = getVectorTypeBreakdownMVT(VT, IntermediateVT,
+      unsigned NumRegisters = getVectorTypeBreakdownMVT(VT, IntermediateVT,
           NumIntermediates, RegisterVT, this);
+      NumRegistersForVT[i] = NumRegisters;
+      assert(NumRegistersForVT[i] == NumRegisters &&
+             "NumRegistersForVT size cannot represent NumRegisters!");
       RegisterTypeForVT[i] = RegisterVT;
 
       MVT NVT = VT.getPow2VectorType();
Index: llvm/include/llvm/CodeGen/TargetLowering.h
===================================================================
--- llvm/include/llvm/CodeGen/TargetLowering.h
+++ llvm/include/llvm/CodeGen/TargetLowering.h
@@ -2741,7 +2741,7 @@
   /// This indicates the default register class to use for each ValueType the
   /// target supports natively.
   const TargetRegisterClass *RegClassForVT[MVT::LAST_VALUETYPE];
-  unsigned char NumRegistersForVT[MVT::LAST_VALUETYPE];
+  uint16_t NumRegistersForVT[MVT::LAST_VALUETYPE];
   MVT RegisterTypeForVT[MVT::LAST_VALUETYPE];
 
   /// This indicates the "representative" register class to use for each


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