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author | David Blaikie <dblaikie@gmail.com> | 2012-01-20 21:51:11 +0000 |
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committer | David Blaikie <dblaikie@gmail.com> | 2012-01-20 21:51:11 +0000 |
commit | 4d6ccb5f68cd7c6418a209f1fa4dbade569e4493 (patch) | |
tree | 9a48fa9f7f51fd635f6807ed7444fcdcad0e9bda /lib/Target/MSP430 | |
parent | 0041d4d447c26825e566ba38a4fe301471fda1eb (diff) | |
download | llvm-4d6ccb5f68cd7c6418a209f1fa4dbade569e4493.tar.gz llvm-4d6ccb5f68cd7c6418a209f1fa4dbade569e4493.tar.bz2 llvm-4d6ccb5f68cd7c6418a209f1fa4dbade569e4493.tar.xz |
More dead code removal (using -Wunreachable-code)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/MSP430')
-rw-r--r-- | lib/Target/MSP430/InstPrinter/MSP430InstPrinter.cpp | 1 | ||||
-rw-r--r-- | lib/Target/MSP430/MSP430ISelLowering.cpp | 13 | ||||
-rw-r--r-- | lib/Target/MSP430/MSP430InstrInfo.cpp | 2 |
3 files changed, 3 insertions, 13 deletions
diff --git a/lib/Target/MSP430/InstPrinter/MSP430InstPrinter.cpp b/lib/Target/MSP430/InstPrinter/MSP430InstPrinter.cpp index 5d6c6ad93d..0930c453e9 100644 --- a/lib/Target/MSP430/InstPrinter/MSP430InstPrinter.cpp +++ b/lib/Target/MSP430/InstPrinter/MSP430InstPrinter.cpp @@ -92,7 +92,6 @@ void MSP430InstPrinter::printCCOperand(const MCInst *MI, unsigned OpNo, switch (CC) { default: llvm_unreachable("Unsupported CC code"); - break; case MSP430CC::COND_E: O << "eq"; break; diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp index 426b48b9e8..776317d1ab 100644 --- a/lib/Target/MSP430/MSP430ISelLowering.cpp +++ b/lib/Target/MSP430/MSP430ISelLowering.cpp @@ -194,7 +194,6 @@ SDValue MSP430TargetLowering::LowerOperation(SDValue Op, case ISD::FRAMEADDR: return LowerFRAMEADDR(Op, DAG); default: llvm_unreachable("unimplemented operand"); - return SDValue(); } } @@ -260,12 +259,9 @@ MSP430TargetLowering::LowerFormalArguments(SDValue Chain, case CallingConv::Fast: return LowerCCCArguments(Chain, CallConv, isVarArg, Ins, dl, DAG, InVals); case CallingConv::MSP430_INTR: - if (Ins.empty()) - return Chain; - else { + if (Ins.empty()) + return Chain; report_fatal_error("ISRs cannot have arguments"); - return SDValue(); - } } } @@ -290,7 +286,6 @@ MSP430TargetLowering::LowerCall(SDValue Chain, SDValue Callee, Outs, OutVals, Ins, dl, DAG, InVals); case CallingConv::MSP430_INTR: report_fatal_error("ISRs cannot be called directly"); - return SDValue(); } } @@ -391,10 +386,8 @@ MSP430TargetLowering::LowerReturn(SDValue Chain, SmallVector<CCValAssign, 16> RVLocs; // ISRs cannot return any value. - if (CallConv == CallingConv::MSP430_INTR && !Outs.empty()) { + if (CallConv == CallingConv::MSP430_INTR && !Outs.empty()) report_fatal_error("ISRs cannot return any value"); - return SDValue(); - } // CCState - Info about the registers and stack slot. CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(), diff --git a/lib/Target/MSP430/MSP430InstrInfo.cpp b/lib/Target/MSP430/MSP430InstrInfo.cpp index 9d3c7e9d7f..0b244c7b20 100644 --- a/lib/Target/MSP430/MSP430InstrInfo.cpp +++ b/lib/Target/MSP430/MSP430InstrInfo.cpp @@ -327,6 +327,4 @@ unsigned MSP430InstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const { case MSP430II::Size6Bytes: return 6; } - - return 6; } |