[llvm] df34581 - [RISCV] Use llvm::Log2_64 (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2023-01-28T11:33:02-08:00
New Revision: df34581d2b004e20fda85b4c8617bf436e826f6c

URL: https://github.com/llvm/llvm-project/commit/df34581d2b004e20fda85b4c8617bf436e826f6c
DIFF: https://github.com/llvm/llvm-project/commit/df34581d2b004e20fda85b4c8617bf436e826f6c.diff

LOG: [RISCV] Use llvm::Log2_64 (NFC)

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVInstrInfoZb.td

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVInstrInfoZb.td b/llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
index cf903570b7b0..aac23f021b81 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
@@ -104,7 +104,7 @@ def BSETINVTwoBitsMask : PatLeaf<(imm), [{
 
 def BSETINVTwoBitsMaskHigh : SDNodeXForm<imm, [{
   uint64_t I = N->getZExtValue();
-  return CurDAG->getTargetConstant(63 - llvm::countl_zero(I), SDLoc(N),
+  return CurDAG->getTargetConstant(llvm::Log2_64(I), SDLoc(N),
                                    N->getValueType(0));
 }]>;
 
@@ -146,7 +146,7 @@ def BCLRITwoBitsMaskHigh : SDNodeXForm<imm, [{
   uint64_t I = N->getSExtValue();
   if (!Subtarget->is64Bit())
     I |= 0xffffffffull << 32;
-  return CurDAG->getTargetConstant(63 - llvm::countl_zero(~I), SDLoc(N),
+  return CurDAG->getTargetConstant(llvm::Log2_64(~I), SDLoc(N),
                                    N->getValueType(0));
 }]>;