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[AArch64] Fix -Wimplicit-fallthrough warnings. NFCI.

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llvm-svn: 307393
This commit is contained in:
Simon Pilgrim 2017-07-07 13:03:28 +00:00
parent 7b53bd9054
commit cbc9dfc291
4 changed files with 6 additions and 1 deletions
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2
lib/Target/AArch64/AArch64CondBrTuning.cpp
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@ -167,6 +167,7 @@ bool AArch64CondBrTuning::tryToTuneBranch(MachineInstr &MI,
case AArch64::SUBWrs:
case AArch64::SUBWrx:
IsFlagSetting = false;
LLVM_FALLTHROUGH;
case AArch64::ADDSWri:
case AArch64::ADDSWrr:
case AArch64::ADDSWrs:
@ -226,6 +227,7 @@ bool AArch64CondBrTuning::tryToTuneBranch(MachineInstr &MI,
case AArch64::SUBXrs:
case AArch64::SUBXrx:
IsFlagSetting = false;
LLVM_FALLTHROUGH;
case AArch64::ADDSXri:
case AArch64::ADDSXrr:
case AArch64::ADDSXrs:

2
lib/Target/AArch64/AArch64FastISel.cpp
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@ -2114,7 +2114,7 @@ bool AArch64FastISel::emitStore(MVT VT, unsigned SrcReg, Address Addr,
switch (VT.SimpleTy) {
default: llvm_unreachable("Unexpected value type.");
case MVT::i1: VTIsi1 = true;
case MVT::i1: VTIsi1 = true; LLVM_FALLTHROUGH;
case MVT::i8: Opc = OpcTable[Idx][0]; break;
case MVT::i16: Opc = OpcTable[Idx][1]; break;
case MVT::i32: Opc = OpcTable[Idx][2]; break;

2
lib/Target/AArch64/AArch64InstrInfo.cpp
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@ -1282,6 +1282,7 @@ static UsedNZCV getUsedNZCV(AArch64CC::CondCode CC) {
case AArch64CC::HI: // Z clear and C set
case AArch64CC::LS: // Z set or C clear
UsedFlags.Z = true;
LLVM_FALLTHROUGH;
case AArch64CC::HS: // C set
case AArch64CC::LO: // C clear
UsedFlags.C = true;
@ -1300,6 +1301,7 @@ static UsedNZCV getUsedNZCV(AArch64CC::CondCode CC) {
case AArch64CC::GT: // Z clear, N and V the same
case AArch64CC::LE: // Z set, N and V differ
UsedFlags.Z = true;
LLVM_FALLTHROUGH;
case AArch64CC::GE: // N and V the same
case AArch64CC::LT: // N and V differ
UsedFlags.N = true;

1
lib/Target/AArch64/AArch64RedundantCopyElimination.cpp
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@ -163,6 +163,7 @@ AArch64RedundantCopyElimination::knownRegValInBlock(
case AArch64::ADDSWri:
case AArch64::ADDSXri:
IsCMN = true;
LLVM_FALLTHROUGH;
// CMP is an alias for SUBS with a dead destination register.
case AArch64::SUBSWri:
case AArch64::SUBSXri: {