FixupLEAPass::fixupIncDec - non-LEA opcodes should not happen here. NFCI.

Matches what we do in other functions and fixes scan-build warning about uninitialized NewOpcode variable.

llvm-svn: 360525

diff --git a/llvm/lib/Target/X86/X86FixupLEAs.cpp b/llvm/lib/Target/X86/X86FixupLEAs.cpp
index bbf57f9571d3c53ba177fddbeb7de2d1df1274e3..c8ef92f35c223de7a326ac91a04793fa8b25a707 100644 (file)
--- a/llvm/lib/Target/X86/X86FixupLEAs.cpp
+++ b/llvm/lib/Target/X86/X86FixupLEAs.cpp
@@ -366,6 +366,8 @@ bool FixupLEAPass::fixupIncDec(MachineBasicBlock::iterator &I,
     unsigned NewOpcode;
     bool isINC = MI.getOperand(1 + X86::AddrDisp).getImm() == 1;
     switch (MI.getOpcode()) {
+    default:
+      llvm_unreachable("Unexpected LEA instruction");
     case X86::LEA32r:
     case X86::LEA64_32r:
       NewOpcode = isINC ? X86::INC32r : X86::DEC32r;