[llvm] r217611 - Provide an implementation of getNoopForMachoTarget for SPARC.

[Brad Smith]

On 15/09/14 1:18 PM, Rafael Espíndola wrote:
> Has this been approved?

Yes.

> On 11 September 2014 13:40, Brad Smith <brad at comstyle.com> wrote:
>> Author: brad
>> Date: Thu Sep 11 12:40:51 2014
>> New Revision: 217611
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=217611&view=rev
>> Log:
>> Provide an implementation of getNoopForMachoTarget for SPARC.
>>
>> Added:
>>      llvm/trunk/test/CodeGen/SPARC/empty-functions.ll
>> Modified:
>>      llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp
>>      llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h
>>
>> Modified: llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp?rev=217611&r1=217610&r2=217611&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp (original)
>> +++ llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp Thu Sep 11 12:40:51 2014
>> @@ -37,6 +37,11 @@ SparcInstrInfo::SparcInstrInfo(SparcSubt
>>       RI(ST), Subtarget(ST) {
>>   }
>>
>> +/// getNoopForMachoTarget - Return the noop instruction to use for a noop.
>> +void SparcInstrInfo::getNoopForMachoTarget(MCInst &NopInst) const {
>> +  NopInst.setOpcode(SP::NOP);
>> +}
>> +
>>   /// isLoadFromStackSlot - If the specified machine instruction is a direct
>>   /// load from a stack slot, return the virtual or physical register number of
>>   /// the destination along with the FrameIndex of the loaded stack slot.  If
>>
>> Modified: llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h?rev=217611&r1=217610&r2=217611&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h (original)
>> +++ llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h Thu Sep 11 12:40:51 2014
>> @@ -93,6 +93,8 @@ public:
>>                               const TargetRegisterInfo *TRI) const override;
>>
>>     unsigned getGlobalBaseReg(MachineFunction *MF) const;
>> +
>> +  void getNoopForMachoTarget(MCInst &NopInst) const override;
>>   };
>>
>>   }
>>
>> Added: llvm/trunk/test/CodeGen/SPARC/empty-functions.ll
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SPARC/empty-functions.ll?rev=217611&view=auto
>> ==============================================================================
>> --- llvm/trunk/test/CodeGen/SPARC/empty-functions.ll (added)
>> +++ llvm/trunk/test/CodeGen/SPARC/empty-functions.ll Thu Sep 11 12:40:51 2014
>> @@ -0,0 +1,8 @@
>> +; RUN: llc < %s -mtriple=sparc-unknown-openbsd -disable-fp-elim | FileCheck -check-prefix=CHECK-FP-LABEL %s
>> +
>> +define void @func() {
>> +entry:
>> +  unreachable
>> +}
>> +; CHECK-FP-LABEL:      {{_?}}func:
>> +; CHECK-FP-LABEL: nop {{[;!]}} avoids zero-length function
>>
>>
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>> llvm-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>


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