[llvm] r344632 - [PATCH] [NFC][AArch64] Fix refactoring of macro fusion

[Evandro Menezes via llvm-commits]

Author: evandro
Date: Tue Oct 16 10:41:45 2018
New Revision: 344632

URL: http://llvm.org/viewvc/llvm-project?rev=344632&view=rev
Log:
[PATCH] [NFC][AArch64] Fix refactoring of macro fusion

Fix compiler error.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp?rev=344632&r1=344631&r2=344632&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp Tue Oct 16 10:41:45 2018
@@ -64,15 +64,11 @@ static bool isArithmeticBccPair(const Ma
 /// ALU operations followed by CBZ/CBNZ.
 static bool isArithmeticCbzPair(const MachineInstr *FirstMI,
                                 const MachineInstr &SecondMI) {
-  switch (SecondMI.getOpcode()) {
-  default:
+  if (SecondMI.getOpcode() != AArch64::CBZW &&
+      SecondMI.getOpcode() != AArch64::CBZX &&
+      SecondMI.getOpcode() != AArch64::CBNZW &&
+      SecondMI.getOpcode() != AArch64::CBNZX)
     return false;
-  case AArch64::CBNZW:
-  case AArch64::CBNZX:
-  case AArch64::CBZW:
-  case AArch64::CBZX:
-    LLVM_FALLTHROUGH;
-  }
 
   // Assume the 1st instr to be a wildcard if it is unspecified.
   if (FirstMI == nullptr)