commit f20b5071f3ab69bef389f550d5b93129e135d9f9
author Kazu Hirata <kazu@google.com> Sat Jan 28 09:06:31 2023 -0800
committer Kazu Hirata <kazu@google.com> Sat Jan 28 09:06:31 2023 -0800
tree 842fd9cb77d8b45744eaae1ae0b001e2fd426d66
parent 75153adeda1a60317a835a1453bcef491d104ff8

[llvm] Use llvm::bit_floor instead of llvm::PowerOf2Floor (NFC)

llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 8a1fce2..5c65137 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -3004,7 +3004,7 @@
 
   if (!isPowerOf2_32(MemSizeInBits)) {
     // This load needs splitting into power of 2 sized loads.
-    LargeSplitSize = PowerOf2Floor(MemSizeInBits);
+    LargeSplitSize = llvm::bit_floor(MemSizeInBits);
     SmallSplitSize = MemSizeInBits - LargeSplitSize;
   } else {
     // This is already a power of 2, but we still need to split this in half.
@@ -3122,7 +3122,7 @@
   uint64_t LargeSplitSize, SmallSplitSize;
 
   if (!isPowerOf2_32(MemSizeInBits)) {
-    LargeSplitSize = PowerOf2Floor(MemTy.getSizeInBits());
+    LargeSplitSize = llvm::bit_floor<uint64_t>(MemTy.getSizeInBits());
     SmallSplitSize = MemTy.getSizeInBits() - LargeSplitSize;
   } else {
     auto &Ctx = MF.getFunction().getContext();
@@ -7638,7 +7638,7 @@
       // SDAGisms map cleanly to GISel concepts.
       if (NewTy.isVector())
         NewTy = NewTy.getSizeInBits() > 64 ? LLT::scalar(64) : LLT::scalar(32);
-      NewTy = LLT::scalar(PowerOf2Floor(NewTy.getSizeInBits() - 1));
+      NewTy = LLT::scalar(llvm::bit_floor(NewTy.getSizeInBits() - 1));
       unsigned NewTySize = NewTy.getSizeInBytes();
       assert(NewTySize > 0 && "Could not find appropriate type");