Replace "fallthrough" comments with LLVM_FALLTHROUGH

This is a mechanical change of comments in switches like fallthrough,
fall-through, or fall-thru to use the LLVM_FALLTHROUGH macro instead.

llvm-svn: 278902

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
index 9331e41fb9c..b617a6c4315 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
@@ -131,12 +131,12 @@ int PPCTTIImpl::getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
     return TTI::TCC_Free;
   case Instruction::And:
     RunFree = true; // (for the rotate-and-mask instructions)
-    // Fallthrough...
+    LLVM_FALLTHROUGH;
   case Instruction::Add:
   case Instruction::Or:
   case Instruction::Xor:
     ShiftedFree = true;
-    // Fallthrough...
+    LLVM_FALLTHROUGH;
   case Instruction::Sub:
   case Instruction::Mul:
   case Instruction::Shl:
@@ -147,7 +147,8 @@ int PPCTTIImpl::getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
   case Instruction::ICmp:
     UnsignedFree = true;
     ImmIdx = 1;
-    // Fallthrough... (zero comparisons can use record-form instructions)
+    // Zero comparisons can use record-form instructions.
+    LLVM_FALLTHROUGH;
   case Instruction::Select:
     ZeroFree = true;
     break;