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[ARM] Mark labels in skipAlignedDPRCS2Spills as fallthrough (NFC).

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The comment at the top of the switch statement indicates that the
fall-through behavior is intentional. By using LLVM_FALLTHROUGH,
-Wimplicit-fallthrough are silenced, which is enabled by default in GCC
7.

llvm-svn: 309272
This commit is contained in:
Florian Hahn 2017-07-27 14:37:17 +00:00
parent a4cc127fd9
commit eec9d6ed51
1 changed files with 2 additions and 0 deletions
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2
lib/Target/ARM/ARMFrameLowering.cpp
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@ -1283,9 +1283,11 @@ skipAlignedDPRCS2Spills(MachineBasicBlock::iterator MI,
case 7:
++MI;
assert(MI->mayStore() && "Expecting spill instruction");
LLVM_FALLTHROUGH;
default:
++MI;
assert(MI->mayStore() && "Expecting spill instruction");
LLVM_FALLTHROUGH;
case 1:
case 2:
case 4: