[llvm-commits] [llvm] r133873 - in /llvm/trunk: lib/Target/PTX/PTXAsmPrinter.cpp lib/Target/PTX/PTXCallingConv.td lib/Target/PTX/PTXISelLowering.cpp lib/Target/PTX/PTXInstrInfo.cpp lib/Target/PTX/PTXInstrInfo.td lib/Target/PTX/PTXRegisterInfo.td lib/Target/PTX/generate-register-td.py test/CodeGen/PTX/cvt.ll test/CodeGen/PTX/ld.ll test/CodeGen/PTX/mov.ll test/CodeGen/PTX/st.ll

Chad Rosier mcrosier at apple.com
Sat Jun 25 11:49:41 PDT 2011


Dan,
It looks like cvt.ll and step.ll are failing.  Can you please take a look when you have a moment?

 Regards,
  Chad

******************** TEST 'LLVM :: CodeGen/PTX/cvt.ll' FAILED ********************
Script:
--
/home/baldrick/osuosl/slave/llvm-x86_64/llvm/Debug+Asserts/bin/llc < /home/baldrick/osuosl/slave/llvm-x86_64/llvm/test/CodeGen/PTX/cvt.ll -march=ptx32 | /home/baldrick/osuosl/slave/llvm-x86_64/llvm/Debug+Asserts/bin/FileCheck /home/baldrick/osuosl/slave/llvm-x86_64/llvm/test/CodeGen/PTX/cvt.ll
--
Exit Code: 1
Command Output (stderr):
--
/home/baldrick/osuosl/slave/llvm-x86_64/llvm/test/CodeGen/PTX/cvt.ll:7:10: error: expected string not found in input
; CHECK: setp.gt.b16 p[[P0:[0-9]+]], rh{{[0-9]+}}, 0
         ^
<stdin>:1:2: note: scanning from here
 .version 2.0
 ^
<stdin>:9:2: note: possible intended match here
 setp.gt.u16 p0, rh12, 0;
 ^
--

********************
******************** TEST 'LLVM :: CodeGen/PTX/setp.ll' FAILED ********************
Script:
--
/home/baldrick/osuosl/slave/llvm-x86_64/llvm/Debug+Asserts/bin/llc < /home/baldrick/osuosl/slave/llvm-x86_64/llvm/test/CodeGen/PTX/setp.ll -march=ptx32 | /home/baldrick/osuosl/slave/llvm-x86_64/llvm/Debug+Asserts/bin/FileCheck /home/baldrick/osuosl/slave/llvm-x86_64/llvm/test/CodeGen/PTX/setp.ll
--
Exit Code: 1
Command Output (stderr):
--
/home/baldrick/osuosl/slave/llvm-x86_64/llvm/test/CodeGen/PTX/setp.ll:196:10: error: expected string not found in input
; CHECK: setp.gt.b32 p[[P0:[0-9]+]], r{{[0-9]+}}, 0;
         ^
<stdin>:193:1: note: scanning from here
}
^
<stdin>:199:2: note: possible intended match here
 setp.gt.u32 p0, r14, 0;
 ^
--

********************



On Jun 25, 2011, at 11:16 AM, Dan Bailey wrote:

> Author: drb
> Date: Sat Jun 25 13:16:28 2011
> New Revision: 133873
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=133873&view=rev
> Log:
> PTX: Reverting implementation of i8.
> 
> The .b8 operations in PTX are far more limiting than I first thought. The mov operation isn't even supported, so there's no way of converting a .pred value into a .b8 without going via .b16, which is
> not sensible. An improved implementation needs to use the fact that loads and stores automatically extend and truncate to implement support for EXTLOAD and TRUNCSTORE in order to correctly support
> boolean values.
> 
> 
> Modified:
>    llvm/trunk/lib/Target/PTX/PTXAsmPrinter.cpp
>    llvm/trunk/lib/Target/PTX/PTXCallingConv.td
>    llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp
>    llvm/trunk/lib/Target/PTX/PTXInstrInfo.cpp
>    llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
>    llvm/trunk/lib/Target/PTX/PTXRegisterInfo.td
>    llvm/trunk/lib/Target/PTX/generate-register-td.py
>    llvm/trunk/test/CodeGen/PTX/cvt.ll
>    llvm/trunk/test/CodeGen/PTX/ld.ll
>    llvm/trunk/test/CodeGen/PTX/mov.ll
>    llvm/trunk/test/CodeGen/PTX/st.ll
> 
> Modified: llvm/trunk/lib/Target/PTX/PTXAsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXAsmPrinter.cpp?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/PTXAsmPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/PTX/PTXAsmPrinter.cpp Sat Jun 25 13:16:28 2011
> @@ -92,7 +92,6 @@
> #define TEST_REGCLS(cls, clsstr)                \
>   if (PTX::cls ## RegisterClass->contains(RegNo)) return # clsstr;
>   TEST_REGCLS(RegPred, pred);
> -  TEST_REGCLS(RegI8,  b8);
>   TEST_REGCLS(RegI16, b16);
>   TEST_REGCLS(RegI32, b32);
>   TEST_REGCLS(RegI64, b64);
> @@ -125,7 +124,6 @@
>       case Type::IntegerTyID:
>         switch (type->getPrimitiveSizeInBits()) {
>           default: llvm_unreachable("Unknown integer bit-width");
> -          case 8:  return ".u8";
>           case 16: return ".u16";
>           case 32: return ".u32";
>           case 64: return ".u64";
> 
> Modified: llvm/trunk/lib/Target/PTX/PTXCallingConv.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXCallingConv.td?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/PTXCallingConv.td (original)
> +++ llvm/trunk/lib/Target/PTX/PTXCallingConv.td Sat Jun 25 13:16:28 2011
> @@ -15,7 +15,6 @@
> // PTX Formal Parameter Calling Convention
> def CC_PTX : CallingConv<[
>   CCIfType<[i1],      CCAssignToReg<[P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, P23, P24, P25, P26, P27, P28, P29, P30, P31, P32, P33, P34, P35, P36, P37, P38, P39, P40, P41, P42, P43, P44, P45, P46, P47, P48, P49, P50, P51, P52, P53, P54, P55, P56, P57, P58, P59, P60, P61, P62, P63, P64, P65, P66, P67, P68, P69, P70, P71, P72, P73, P74, P75, P76, P77, P78, P79, P80, P81, P82, P83, P84, P85, P86, P87, P88, P89, P90, P91, P92, P93, P94, P95, P96, P97, P98, P99, P100, P101, P102, P103, P104, P105, P106, P107, P108, P109, P110, P111, P112, P113, P114, P115, P116, P117, P118, P119, P120, P121, P122, P123, P124, P125, P126, P127]>>,
> -  CCIfType<[i8],      CCAssignToReg<[RQ12, RQ13, RQ14, RQ15, RQ16, RQ17, RQ18, RQ19, RQ20, RQ21, RQ22, RQ23, RQ24, RQ25, RQ26, RQ27, RQ28, RQ29, RQ30, RQ31, RQ32, RQ33, RQ34, RQ35, RQ36, RQ37, RQ38, RQ39, RQ40, RQ41, RQ42, RQ43, RQ44, RQ45, RQ46, RQ47, RQ48, RQ49, RQ50, RQ51, RQ52, RQ53, RQ54, RQ55, RQ56, RQ57, RQ58, RQ59, RQ60, RQ61, RQ62, RQ63, RQ64, RQ65, RQ66, RQ67, RQ68, RQ69, RQ70, RQ71, RQ72, RQ73, RQ74, RQ75, RQ76, RQ77, RQ78, RQ79, RQ80, RQ81, RQ82, RQ83, RQ84, RQ85, RQ86, RQ87, RQ88, RQ89, RQ90, RQ91, RQ92, RQ93, RQ94, RQ95, RQ96, RQ97, RQ98, RQ99, RQ100, RQ101, RQ102, RQ103, RQ104, RQ105, RQ106, RQ107, RQ108, RQ109, RQ110, RQ111, RQ112, RQ113, RQ114, RQ115, RQ116, RQ117, RQ118, RQ119, RQ120, RQ121, RQ122, RQ123, RQ124, RQ125, RQ126, RQ127]>>,
>   CCIfType<[i16],     CCAssignToReg<[RH12, RH13, RH14, RH15, RH16, RH17, RH18, RH19, RH20, RH21, RH22, RH23, RH24, RH25, RH26, RH27, RH28, RH29, RH30, RH31, RH32, RH33, RH34, RH35, RH36, RH37, RH38, RH39, RH40, RH41, RH42, RH43, RH44, RH45, RH46, RH47, RH48, RH49, RH50, RH51, RH52, RH53, RH54, RH55, RH56, RH57, RH58, RH59, RH60, RH61, RH62, RH63, RH64, RH65, RH66, RH67, RH68, RH69, RH70, RH71, RH72, RH73, RH74, RH75, RH76, RH77, RH78, RH79, RH80, RH81, RH82, RH83, RH84, RH85, RH86, RH87, RH88, RH89, RH90, RH91, RH92, RH93, RH94, RH95, RH96, RH97, RH98, RH99, RH100, RH101, RH102, RH103, RH104, RH105, RH106, RH107, RH108, RH109, RH110, RH111, RH112, RH113, RH114, RH115, RH116, RH117, RH118, RH119, RH120, RH121, RH122, RH123, RH124, RH125, RH126, RH127]>>,
>   CCIfType<[i32,f32], CCAssignToReg<[R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, R44, R45, R46, R47, R48, R49, R50, R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, R76, R77, R78, R79, R80, R81, R82, R83, R84, R85, R86, R87, R88, R89, R90, R91, R92, R93, R94, R95, R96, R97, R98, R99, R100, R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111, R112, R113, R114, R115, R116, R117, R118, R119, R120, R121, R122, R123, R124, R125, R126, R127]>>,
>   CCIfType<[i64,f64], CCAssignToReg<[RD12, RD13, RD14, RD15, RD16, RD17, RD18, RD19, RD20, RD21, RD22, RD23, RD24, RD25, RD26, RD27, RD28, RD29, RD30, RD31, RD32, RD33, RD34, RD35, RD36, RD37, RD38, RD39, RD40, RD41, RD42, RD43, RD44, RD45, RD46, RD47, RD48, RD49, RD50, RD51, RD52, RD53, RD54, RD55, RD56, RD57, RD58, RD59, RD60, RD61, RD62, RD63, RD64, RD65, RD66, RD67, RD68, RD69, RD70, RD71, RD72, RD73, RD74, RD75, RD76, RD77, RD78, RD79, RD80, RD81, RD82, RD83, RD84, RD85, RD86, RD87, RD88, RD89, RD90, RD91, RD92, RD93, RD94, RD95, RD96, RD97, RD98, RD99, RD100, RD101, RD102, RD103, RD104, RD105, RD106, RD107, RD108, RD109, RD110, RD111, RD112, RD113, RD114, RD115, RD116, RD117, RD118, RD119, RD120, RD121, RD122, RD123, RD124, RD125, RD126, RD127]>>
> @@ -24,7 +23,6 @@
> // PTX Return Value Calling Convention
> def RetCC_PTX : CallingConv<[
>   CCIfType<[i1],      CCAssignToReg<[P0, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11]>>,
> -  CCIfType<[i8],      CCAssignToReg<[RQ0, RQ1, RQ2, RQ3, RQ4, RQ5, RQ6, RQ7, RQ8, RQ9, RQ10, RQ11]>>,
>   CCIfType<[i16],     CCAssignToReg<[RH0, RH1, RH2, RH3, RH4, RH5, RH6, RH7, RH8, RH9, RH10, RH11]>>,
>   CCIfType<[i32,f32], CCAssignToReg<[R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11]>>,
>   CCIfType<[i64,f64], CCAssignToReg<[RD0, RD1, RD2, RD3, RD4, RD5, RD6, RD7, RD8, RD9, RD10, RD11]>>
> 
> Modified: llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/PTX/PTXISelLowering.cpp Sat Jun 25 13:16:28 2011
> @@ -40,7 +40,6 @@
>   : TargetLowering(TM, new TargetLoweringObjectFileELF()) {
>   // Set up the register classes.
>   addRegisterClass(MVT::i1,  PTX::RegPredRegisterClass);
> -  addRegisterClass(MVT::i8,  PTX::RegI8RegisterClass);
>   addRegisterClass(MVT::i16, PTX::RegI16RegisterClass);
>   addRegisterClass(MVT::i32, PTX::RegI32RegisterClass);
>   addRegisterClass(MVT::i64, PTX::RegI64RegisterClass);
> @@ -48,48 +47,59 @@
>   addRegisterClass(MVT::f64, PTX::RegF64RegisterClass);
> 
>   setBooleanContents(ZeroOrOneBooleanContent);
> -
> -  setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
> -
> -  setOperationAction(ISD::ConstantFP, MVT::f32, Legal);
> -  setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
> -  
> -  // Promote i1 type
> -  setLoadExtAction(ISD::EXTLOAD, MVT::i1, Promote);
> -  setLoadExtAction(ISD::ZEXTLOAD, MVT::i1, Promote);
> -  setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
> +  setMinFunctionAlignment(2);
> 
> -  setTruncStoreAction(MVT::i8, MVT::i1, Promote);
> +  ////////////////////////////////////
> +  /////////// Expansion //////////////
> +  ////////////////////////////////////
> 
> -  setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
> +  // (any/zero/sign) extload => load + (any/zero/sign) extend
> 
> -  // Turn i16 (z)extload into load + (z)extend
>   setLoadExtAction(ISD::EXTLOAD, MVT::i16, Expand);
>   setLoadExtAction(ISD::ZEXTLOAD, MVT::i16, Expand);
>   setLoadExtAction(ISD::SEXTLOAD, MVT::i16, Expand);
> -
> -  // Turn f32 extload into load + fextend
> -  setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
> -
> -  // Turn f64 truncstore into trunc + store.
> -  setTruncStoreAction(MVT::f64, MVT::f32, Expand);
> -
> -  // Customize translation of memory addresses
> -  setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
> -  setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
> -
> -  // Expand BR_CC into BRCOND
> +  
> +  // f32 extload => load + fextend
> +  
> +  setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);  
> +  
> +  // f64 truncstore => trunc + store
> +  
> +  setTruncStoreAction(MVT::f64, MVT::f32, Expand); 
> +  
> +  // sign_extend_inreg => sign_extend
> +  
> +  setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
> +  
> +  // br_cc => brcond
> +  
>   setOperationAction(ISD::BR_CC, MVT::Other, Expand);
> 
> -  // Expand SELECT_CC into SETCC
> +  // select_cc => setcc
> +  
>   setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
>   setOperationAction(ISD::SELECT_CC, MVT::f32, Expand);
>   setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
> -
> -  // need to lower SETCC of RegPred into bitwise logic
> +  
> +  ////////////////////////////////////
> +  //////////// Legal /////////////////
> +  ////////////////////////////////////
> +  
> +  setOperationAction(ISD::ConstantFP, MVT::f32, Legal);
> +  setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
> +  
> +  ////////////////////////////////////
> +  //////////// Custom ////////////////
> +  ////////////////////////////////////
> +  
> +  // customise setcc to use bitwise logic if possible
> +  
>   setOperationAction(ISD::SETCC, MVT::i1, Custom);
> 
> -  setMinFunctionAlignment(2);
> +  // customize translation of memory addresses
> +  
> +  setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
> +  setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
> 
>   // Compute derived properties from the register classes
>   computeRegisterProperties();
> @@ -187,7 +197,6 @@
>   bool operator==(MVT::SimpleValueType _VT) const { return VT == _VT; }
> } argmap[] = {
>   argmap_entry(MVT::i1,  PTX::RegPredRegisterClass),
> -  argmap_entry(MVT::i8,  PTX::RegI8RegisterClass),
>   argmap_entry(MVT::i16, PTX::RegI16RegisterClass),
>   argmap_entry(MVT::i32, PTX::RegI32RegisterClass),
>   argmap_entry(MVT::i64, PTX::RegI64RegisterClass),
> @@ -264,9 +273,6 @@
>       if (RegVT == MVT::i1) {
>         TRC = PTX::RegPredRegisterClass;
>       }
> -      else if (RegVT == MVT::i8) {
> -        TRC = PTX::RegI8RegisterClass;
> -      }
>       else if (RegVT == MVT::i16) {
>         TRC = PTX::RegI16RegisterClass;
>       }
> 
> Modified: llvm/trunk/lib/Target/PTX/PTXInstrInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXInstrInfo.cpp?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/PTXInstrInfo.cpp (original)
> +++ llvm/trunk/lib/Target/PTX/PTXInstrInfo.cpp Sat Jun 25 13:16:28 2011
> @@ -33,7 +33,6 @@
>   const TargetRegisterClass *cls;
>   const int opcode;
> } map[] = {
> -  { &PTX::RegI8RegClass,  PTX::MOVU8rr },
>   { &PTX::RegI16RegClass, PTX::MOVU16rr },
>   { &PTX::RegI32RegClass, PTX::MOVU32rr },
>   { &PTX::RegI64RegClass, PTX::MOVU64rr },
> @@ -303,9 +302,7 @@
>   int OpCode;
> 
>   // Select the appropriate opcode based on the register class
> -  if (RC == PTX::RegI8RegisterClass) {
> -    OpCode = PTX::STACKSTOREI8;
> -  } else if (RC == PTX::RegI16RegisterClass) {
> +  if (RC == PTX::RegI16RegisterClass) {
>     OpCode = PTX::STACKSTOREI16;
>   }  else if (RC == PTX::RegI32RegisterClass) {
>     OpCode = PTX::STACKSTOREI32;
> @@ -340,9 +337,7 @@
>   int OpCode;
> 
>   // Select the appropriate opcode based on the register class
> -  if (RC == PTX::RegI8RegisterClass) {
> -    OpCode = PTX::STACKLOADI8;
> -  } else if (RC == PTX::RegI16RegisterClass) {
> +  if (RC == PTX::RegI16RegisterClass) {
>     OpCode = PTX::STACKLOADI16;
>   } else if (RC == PTX::RegI32RegisterClass) {
>     OpCode = PTX::STACKLOADI32;
> 
> Modified: llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXInstrInfo.td?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/PTXInstrInfo.td (original)
> +++ llvm/trunk/lib/Target/PTX/PTXInstrInfo.td Sat Jun 25 13:16:28 2011
> @@ -537,7 +537,6 @@
> }
> 
> multiclass PTX_LD_ALL<string opstr, PatFrag pat_load> {
> -  defm u8  : PTX_LD<opstr, ".u8",  RegI8,  pat_load>;
>   defm u16 : PTX_LD<opstr, ".u16", RegI16, pat_load>;
>   defm u32 : PTX_LD<opstr, ".u32", RegI32, pat_load>;
>   defm u64 : PTX_LD<opstr, ".u64", RegI64, pat_load>;
> @@ -573,7 +572,6 @@
> }
> 
> multiclass PTX_ST_ALL<string opstr, PatFrag pat_store> {
> -  defm u8  : PTX_ST<opstr, ".u8",  RegI8,  pat_store>;
>   defm u16 : PTX_ST<opstr, ".u16", RegI16, pat_store>;
>   defm u32 : PTX_ST<opstr, ".u32", RegI32, pat_store>;
>   defm u64 : PTX_ST<opstr, ".u64", RegI64, pat_store>;
> @@ -785,27 +783,22 @@
> let neverHasSideEffects = 1 in {
>   def MOVPREDrr
>     : InstPTX<(outs RegPred:$d), (ins RegPred:$a), "mov.pred\t$d, $a", []>;
> -  def MOVU8rr
> -    : InstPTX<(outs RegI8:$d),   (ins RegI8:$a),   "mov.u8\t$d, $a",  []>;
>   def MOVU16rr
> -    : InstPTX<(outs RegI16:$d),  (ins RegI16:$a),  "mov.u16\t$d, $a", []>;
> +    : InstPTX<(outs RegI16:$d), (ins RegI16:$a), "mov.u16\t$d, $a", []>;
>   def MOVU32rr
> -    : InstPTX<(outs RegI32:$d),  (ins RegI32:$a),  "mov.u32\t$d, $a", []>;
> +    : InstPTX<(outs RegI32:$d), (ins RegI32:$a), "mov.u32\t$d, $a", []>;
>   def MOVU64rr
> -    : InstPTX<(outs RegI64:$d),  (ins RegI64:$a),  "mov.u64\t$d, $a", []>;
> +    : InstPTX<(outs RegI64:$d), (ins RegI64:$a), "mov.u64\t$d, $a", []>;
>   def MOVF32rr
> -    : InstPTX<(outs RegF32:$d),  (ins RegF32:$a),  "mov.f32\t$d, $a", []>;
> +    : InstPTX<(outs RegF32:$d), (ins RegF32:$a), "mov.f32\t$d, $a", []>;
>   def MOVF64rr
> -    : InstPTX<(outs RegF64:$d),  (ins RegF64:$a),  "mov.f64\t$d, $a", []>;
> +    : InstPTX<(outs RegF64:$d), (ins RegF64:$a), "mov.f64\t$d, $a", []>;
> }
> 
> let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
>   def MOVPREDri
>     : InstPTX<(outs RegPred:$d), (ins i1imm:$a), "mov.pred\t$d, $a",
>               [(set RegPred:$d, imm:$a)]>;
> -  def MOVU8ri
> -    : InstPTX<(outs RegI8:$d),  (ins i8imm:$a),  "mov.u8\t$d, $a",
> -              [(set RegI8:$d, imm:$a)]>;
>   def MOVU16ri
>     : InstPTX<(outs RegI16:$d), (ins i16imm:$a), "mov.u16\t$d, $a",
>               [(set RegI16:$d, imm:$a)]>;
> @@ -845,9 +838,6 @@
>   def LDpiPred : InstPTX<(outs RegPred:$d), (ins MEMpi:$a),
>                          "ld.param.pred\t$d, [$a]",
>                          [(set RegPred:$d, (PTXloadparam timm:$a))]>;
> -  def LDpiU8   : InstPTX<(outs RegI8:$d), (ins MEMpi:$a),
> -                         "ld.param.u8\t$d, [$a]",
> -                         [(set RegI8:$d,  (PTXloadparam timm:$a))]>;
>   def LDpiU16  : InstPTX<(outs RegI16:$d), (ins MEMpi:$a),
>                          "ld.param.u16\t$d, [$a]",
>                          [(set RegI16:$d, (PTXloadparam timm:$a))]>;
> @@ -867,9 +857,6 @@
>   def STpiPred : InstPTX<(outs), (ins MEMret:$d, RegPred:$a),
>                          "st.param.pred\t[$d], $a",
>                          [(PTXstoreparam timm:$d, RegPred:$a)]>;
> -  def STpiU8   : InstPTX<(outs), (ins MEMret:$d, RegI8:$a),
> -                         "st.param.u8\t[$d], $a",
> -                         [(PTXstoreparam timm:$d, RegI8:$a)]>;
>   def STpiU16  : InstPTX<(outs), (ins MEMret:$d, RegI16:$a),
>                          "st.param.u16\t[$d], $a",
>                          [(PTXstoreparam timm:$d, RegI16:$a)]>;
> @@ -900,62 +887,34 @@
> // PTX does not directly support converting to a predicate type, so we fake it
> // by performing a greater-than test between the value and zero.  This follows
> // the C convention that any non-zero value is equivalent to 'true'.
> -def CVT_pred_u8
> -  : InstPTX<(outs RegPred:$d), (ins RegI8:$a), "setp.gt.b8\t$d, $a, 0",
> -            [(set RegPred:$d, (trunc RegI8:$a))]>;
> -
> def CVT_pred_u16
> -  : InstPTX<(outs RegPred:$d), (ins RegI16:$a), "setp.gt.b16\t$d, $a, 0",
> +  : InstPTX<(outs RegPred:$d), (ins RegI16:$a), "setp.gt.u16\t$d, $a, 0",
>             [(set RegPred:$d, (trunc RegI16:$a))]>;
> 
> def CVT_pred_u32
> -  : InstPTX<(outs RegPred:$d), (ins RegI32:$a), "setp.gt.b32\t$d, $a, 0",
> +  : InstPTX<(outs RegPred:$d), (ins RegI32:$a), "setp.gt.u32\t$d, $a, 0",
>             [(set RegPred:$d, (trunc RegI32:$a))]>;
> 
> def CVT_pred_u64
> -  : InstPTX<(outs RegPred:$d), (ins RegI64:$a), "setp.gt.b64\t$d, $a, 0",
> +  : InstPTX<(outs RegPred:$d), (ins RegI64:$a), "setp.gt.u64\t$d, $a, 0",
>             [(set RegPred:$d, (trunc RegI64:$a))]>;
> 
> def CVT_pred_f32
> -  : InstPTX<(outs RegPred:$d), (ins RegF32:$a), "setp.gt.b32\t$d, $a, 0",
> +  : InstPTX<(outs RegPred:$d), (ins RegF32:$a), "setp.gt.f32\t$d, $a, 0",
>             [(set RegPred:$d, (fp_to_uint RegF32:$a))]>;
> 
> def CVT_pred_f64
> -  : InstPTX<(outs RegPred:$d), (ins RegF64:$a), "setp.gt.b64\t$d, $a, 0",
> +  : InstPTX<(outs RegPred:$d), (ins RegF64:$a), "setp.gt.f64\t$d, $a, 0",
>             [(set RegPred:$d, (fp_to_uint RegF64:$a))]>;
> 
> -// Conversion to u8
> -// PTX does not directly support converting a predicate to a value, so we
> -// use a select instruction to select either 0 or 1 (integer or fp) based
> -// on the truth value of the predicate.
> -def CVT_u8_pred
> -  : InstPTX<(outs RegI8:$d), (ins RegPred:$a), "selp.u8\t$d, 1, 0, $a",
> -            [(set RegI8:$d, (zext RegPred:$a))]>;
> -
> -def CVT_u8_preds
> -  : InstPTX<(outs RegI8:$d), (ins RegPred:$a), "selp.u8\t$d, 1, 0, $a",
> -            [(set RegI8:$d, (sext RegPred:$a))]>;
> -
> -def CVT_u8_u32
> -  : InstPTX<(outs RegI8:$d), (ins RegI32:$a), "cvt.u8.u32\t$d, $a",
> -            [(set RegI8:$d, (trunc RegI32:$a))]>;
> -
> -def CVT_u8_u64
> -  : InstPTX<(outs RegI8:$d), (ins RegI64:$a), "cvt.u8.u64\t$d, $a",
> -            [(set RegI8:$d, (trunc RegI64:$a))]>;
> -
> -def CVT_u8_f32
> -  : InstPTX<(outs RegI8:$d), (ins RegF32:$a), "cvt.rzi.u8.f32\t$d, $a",
> -            [(set RegI8:$d, (fp_to_uint RegF32:$a))]>;
> -
> -def CVT_u8_f64
> -  : InstPTX<(outs RegI8:$d), (ins RegF64:$a), "cvt.rzi.u8.f64\t$d, $a",
> -            [(set RegI8:$d, (fp_to_uint RegF64:$a))]>;
> -
> // Conversion to u16
> // PTX does not directly support converting a predicate to a value, so we
> // use a select instruction to select either 0 or 1 (integer or fp) based
> // on the truth value of the predicate.
> +def CVT_u16_preda
> +  : InstPTX<(outs RegI16:$d), (ins RegPred:$a), "selp.u16\t$d, 1, 0, $a",
> +            [(set RegI16:$d, (anyext RegPred:$a))]>;
> +
> def CVT_u16_pred
>   : InstPTX<(outs RegI16:$d), (ins RegPred:$a), "selp.u16\t$d, 1, 0, $a",
>             [(set RegI16:$d, (zext RegPred:$a))]>;
> @@ -964,14 +923,6 @@
>   : InstPTX<(outs RegI16:$d), (ins RegPred:$a), "selp.u16\t$d, 1, 0, $a",
>             [(set RegI16:$d, (sext RegPred:$a))]>;
> 
> -def CVT_u16_u8
> -  : InstPTX<(outs RegI16:$d), (ins RegI8:$a), "cvt.u16.u8\t$d, $a",
> -            [(set RegI16:$d, (zext RegI8:$a))]>;
> -
> -def CVT_u16_s8
> -  : InstPTX<(outs RegI16:$d), (ins RegI8:$a), "cvt.u16.s8\t$d, $a",
> -            [(set RegI16:$d, (sext RegI8:$a))]>;
> -
> def CVT_u16_u32
>   : InstPTX<(outs RegI16:$d), (ins RegI32:$a), "cvt.u16.u32\t$d, $a",
>             [(set RegI16:$d, (trunc RegI32:$a))]>;
> @@ -994,9 +945,9 @@
>   : InstPTX<(outs RegI32:$d), (ins RegPred:$a), "selp.u32\t$d, 1, 0, $a",
>             [(set RegI32:$d, (zext RegPred:$a))]>;
> 
> -def CVT_u32_u8
> -  : InstPTX<(outs RegI32:$d), (ins RegI8:$a), "cvt.u32.u8\t$d, $a",
> -            [(set RegI32:$d, (zext RegI8:$a))]>;
> +def CVT_u32_b16
> +  : InstPTX<(outs RegI32:$d), (ins RegI16:$a), "cvt.u32.u16\t$d, $a",
> +            [(set RegI32:$d, (anyext RegI16:$a))]>;
> 
> def CVT_u32_u16
>   : InstPTX<(outs RegI32:$d), (ins RegI16:$a), "cvt.u32.u16\t$d, $a",
> @@ -1006,10 +957,6 @@
>   : InstPTX<(outs RegI32:$d), (ins RegPred:$a), "selp.u32\t$d, 1, 0, $a",
>             [(set RegI32:$d, (sext RegPred:$a))]>;
> 
> -def CVT_u32_s8
> -  : InstPTX<(outs RegI32:$d), (ins RegI8:$a), "cvt.u32.s8\t$d, $a",
> -            [(set RegI32:$d, (zext RegI8:$a))]>;
> -
> def CVT_u32_s16
>   : InstPTX<(outs RegI32:$d), (ins RegI16:$a), "cvt.u32.s16\t$d, $a",
>             [(set RegI32:$d, (sext RegI16:$a))]>;
> @@ -1032,30 +979,22 @@
>   : InstPTX<(outs RegI64:$d), (ins RegPred:$a), "selp.u64\t$d, 1, 0, $a",
>             [(set RegI64:$d, (zext RegPred:$a))]>;
> 
> -def CVT_u64_u8
> -  : InstPTX<(outs RegI64:$d), (ins RegI8:$a), "cvt.u64.u8\t$d, $a",
> -            [(set RegI64:$d, (zext RegI8:$a))]>;
> -
> -def CVT_u64_u16
> -  : InstPTX<(outs RegI64:$d), (ins RegI16:$a), "cvt.u64.u16\t$d, $a",
> -            [(set RegI64:$d, (zext RegI16:$a))]>;
> -
> -def CVT_u64_u32
> -  : InstPTX<(outs RegI64:$d), (ins RegI32:$a), "cvt.u64.u32\t$d, $a",
> -            [(set RegI64:$d, (zext RegI32:$a))]>;
> -
> def CVT_u64_preds
>   : InstPTX<(outs RegI64:$d), (ins RegPred:$a), "selp.u64\t$d, 1, 0, $a",
>             [(set RegI64:$d, (sext RegPred:$a))]>;
> 
> -def CVT_u64_s8
> -  : InstPTX<(outs RegI64:$d), (ins RegI8:$a), "cvt.u64.s8\t$d, $a",
> -            [(set RegI64:$d, (zext RegI8:$a))]>;
> +def CVT_u64_u16
> +  : InstPTX<(outs RegI64:$d), (ins RegI16:$a), "cvt.u64.u16\t$d, $a",
> +            [(set RegI64:$d, (zext RegI16:$a))]>;
> 
> def CVT_u64_s16
>   : InstPTX<(outs RegI64:$d), (ins RegI16:$a), "cvt.u64.s16\t$d, $a",
>             [(set RegI64:$d, (sext RegI16:$a))]>;
> 
> +def CVT_u64_u32
> +  : InstPTX<(outs RegI64:$d), (ins RegI32:$a), "cvt.u64.u32\t$d, $a",
> +            [(set RegI64:$d, (zext RegI32:$a))]>;
> +
> def CVT_u64_s32
>   : InstPTX<(outs RegI64:$d), (ins RegI32:$a), "cvt.u64.s32\t$d, $a",
>             [(set RegI64:$d, (sext RegI32:$a))]>;
> @@ -1075,10 +1014,6 @@
>             "selp.f32\t$d, 0F3F800000, 0F00000000, $a",  // 1.0
>             [(set RegF32:$d, (uint_to_fp RegPred:$a))]>;
> 
> -def CVT_f32_u8
> -  : InstPTX<(outs RegF32:$d), (ins RegI8:$a), "cvt.rn.f32.u8\t$d, $a",
> -            [(set RegF32:$d, (uint_to_fp RegI8:$a))]>;
> -
> def CVT_f32_u16
>   : InstPTX<(outs RegF32:$d), (ins RegI16:$a), "cvt.rn.f32.u16\t$d, $a",
>             [(set RegF32:$d, (uint_to_fp RegI16:$a))]>;
> @@ -1102,10 +1037,6 @@
>             "selp.f64\t$d, 0D3F80000000000000, 0D0000000000000000, $a",  // 1.0
>             [(set RegF64:$d, (uint_to_fp RegPred:$a))]>;
> 
> -def CVT_f64_u8
> -  : InstPTX<(outs RegF64:$d), (ins RegI8:$a), "cvt.rn.f64.u8\t$d, $a",
> -            [(set RegF64:$d, (uint_to_fp RegI8:$a))]>;
> -
> def CVT_f64_u16
>   : InstPTX<(outs RegF64:$d), (ins RegI16:$a), "cvt.rn.f64.u16\t$d, $a",
>             [(set RegF64:$d, (uint_to_fp RegI16:$a))]>;
> @@ -1144,8 +1075,6 @@
> 
> ///===- Spill Instructions ------------------------------------------------===//
> // Special instructions used for stack spilling
> -def STACKSTOREI8  : InstPTX<(outs), (ins i32imm:$d, RegI8:$a),
> -                            "mov.u8\ts$d, $a", []>;
> def STACKSTOREI16 : InstPTX<(outs), (ins i32imm:$d, RegI16:$a),
>                             "mov.u16\ts$d, $a", []>;
> def STACKSTOREI32 : InstPTX<(outs), (ins i32imm:$d, RegI32:$a),
> @@ -1157,8 +1086,6 @@
> def STACKSTOREF64 : InstPTX<(outs), (ins i32imm:$d, RegF64:$a),
>                             "mov.f64\ts$d, $a", []>;
> 
> -def STACKLOADI8  : InstPTX<(outs), (ins RegI8:$d, i32imm:$a),
> -                           "mov.u8\t$d, s$a", []>;
> def STACKLOADI16 : InstPTX<(outs), (ins RegI16:$d, i32imm:$a),
>                            "mov.u16\t$d, s$a", []>;
> def STACKLOADI32 : InstPTX<(outs), (ins RegI32:$d, i32imm:$a),
> 
> Modified: llvm/trunk/lib/Target/PTX/PTXRegisterInfo.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXRegisterInfo.td?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/PTXRegisterInfo.td (original)
> +++ llvm/trunk/lib/Target/PTX/PTXRegisterInfo.td Sat Jun 25 13:16:28 2011
> @@ -151,137 +151,6 @@
> def P126 : PTXReg<"p126">;
> def P127 : PTXReg<"p127">;
> 
> -///===- 8-Bit Registers --------------------------------------------------===//
> -
> -def RQ0 : PTXReg<"rq0">;
> -def RQ1 : PTXReg<"rq1">;
> -def RQ2 : PTXReg<"rq2">;
> -def RQ3 : PTXReg<"rq3">;
> -def RQ4 : PTXReg<"rq4">;
> -def RQ5 : PTXReg<"rq5">;
> -def RQ6 : PTXReg<"rq6">;
> -def RQ7 : PTXReg<"rq7">;
> -def RQ8 : PTXReg<"rq8">;
> -def RQ9 : PTXReg<"rq9">;
> -def RQ10 : PTXReg<"rq10">;
> -def RQ11 : PTXReg<"rq11">;
> -def RQ12 : PTXReg<"rq12">;
> -def RQ13 : PTXReg<"rq13">;
> -def RQ14 : PTXReg<"rq14">;
> -def RQ15 : PTXReg<"rq15">;
> -def RQ16 : PTXReg<"rq16">;
> -def RQ17 : PTXReg<"rq17">;
> -def RQ18 : PTXReg<"rq18">;
> -def RQ19 : PTXReg<"rq19">;
> -def RQ20 : PTXReg<"rq20">;
> -def RQ21 : PTXReg<"rq21">;
> -def RQ22 : PTXReg<"rq22">;
> -def RQ23 : PTXReg<"rq23">;
> -def RQ24 : PTXReg<"rq24">;
> -def RQ25 : PTXReg<"rq25">;
> -def RQ26 : PTXReg<"rq26">;
> -def RQ27 : PTXReg<"rq27">;
> -def RQ28 : PTXReg<"rq28">;
> -def RQ29 : PTXReg<"rq29">;
> -def RQ30 : PTXReg<"rq30">;
> -def RQ31 : PTXReg<"rq31">;
> -def RQ32 : PTXReg<"rq32">;
> -def RQ33 : PTXReg<"rq33">;
> -def RQ34 : PTXReg<"rq34">;
> -def RQ35 : PTXReg<"rq35">;
> -def RQ36 : PTXReg<"rq36">;
> -def RQ37 : PTXReg<"rq37">;
> -def RQ38 : PTXReg<"rq38">;
> -def RQ39 : PTXReg<"rq39">;
> -def RQ40 : PTXReg<"rq40">;
> -def RQ41 : PTXReg<"rq41">;
> -def RQ42 : PTXReg<"rq42">;
> -def RQ43 : PTXReg<"rq43">;
> -def RQ44 : PTXReg<"rq44">;
> -def RQ45 : PTXReg<"rq45">;
> -def RQ46 : PTXReg<"rq46">;
> -def RQ47 : PTXReg<"rq47">;
> -def RQ48 : PTXReg<"rq48">;
> -def RQ49 : PTXReg<"rq49">;
> -def RQ50 : PTXReg<"rq50">;
> -def RQ51 : PTXReg<"rq51">;
> -def RQ52 : PTXReg<"rq52">;
> -def RQ53 : PTXReg<"rq53">;
> -def RQ54 : PTXReg<"rq54">;
> -def RQ55 : PTXReg<"rq55">;
> -def RQ56 : PTXReg<"rq56">;
> -def RQ57 : PTXReg<"rq57">;
> -def RQ58 : PTXReg<"rq58">;
> -def RQ59 : PTXReg<"rq59">;
> -def RQ60 : PTXReg<"rq60">;
> -def RQ61 : PTXReg<"rq61">;
> -def RQ62 : PTXReg<"rq62">;
> -def RQ63 : PTXReg<"rq63">;
> -def RQ64 : PTXReg<"rq64">;
> -def RQ65 : PTXReg<"rq65">;
> -def RQ66 : PTXReg<"rq66">;
> -def RQ67 : PTXReg<"rq67">;
> -def RQ68 : PTXReg<"rq68">;
> -def RQ69 : PTXReg<"rq69">;
> -def RQ70 : PTXReg<"rq70">;
> -def RQ71 : PTXReg<"rq71">;
> -def RQ72 : PTXReg<"rq72">;
> -def RQ73 : PTXReg<"rq73">;
> -def RQ74 : PTXReg<"rq74">;
> -def RQ75 : PTXReg<"rq75">;
> -def RQ76 : PTXReg<"rq76">;
> -def RQ77 : PTXReg<"rq77">;
> -def RQ78 : PTXReg<"rq78">;
> -def RQ79 : PTXReg<"rq79">;
> -def RQ80 : PTXReg<"rq80">;
> -def RQ81 : PTXReg<"rq81">;
> -def RQ82 : PTXReg<"rq82">;
> -def RQ83 : PTXReg<"rq83">;
> -def RQ84 : PTXReg<"rq84">;
> -def RQ85 : PTXReg<"rq85">;
> -def RQ86 : PTXReg<"rq86">;
> -def RQ87 : PTXReg<"rq87">;
> -def RQ88 : PTXReg<"rq88">;
> -def RQ89 : PTXReg<"rq89">;
> -def RQ90 : PTXReg<"rq90">;
> -def RQ91 : PTXReg<"rq91">;
> -def RQ92 : PTXReg<"rq92">;
> -def RQ93 : PTXReg<"rq93">;
> -def RQ94 : PTXReg<"rq94">;
> -def RQ95 : PTXReg<"rq95">;
> -def RQ96 : PTXReg<"rq96">;
> -def RQ97 : PTXReg<"rq97">;
> -def RQ98 : PTXReg<"rq98">;
> -def RQ99 : PTXReg<"rq99">;
> -def RQ100 : PTXReg<"rq100">;
> -def RQ101 : PTXReg<"rq101">;
> -def RQ102 : PTXReg<"rq102">;
> -def RQ103 : PTXReg<"rq103">;
> -def RQ104 : PTXReg<"rq104">;
> -def RQ105 : PTXReg<"rq105">;
> -def RQ106 : PTXReg<"rq106">;
> -def RQ107 : PTXReg<"rq107">;
> -def RQ108 : PTXReg<"rq108">;
> -def RQ109 : PTXReg<"rq109">;
> -def RQ110 : PTXReg<"rq110">;
> -def RQ111 : PTXReg<"rq111">;
> -def RQ112 : PTXReg<"rq112">;
> -def RQ113 : PTXReg<"rq113">;
> -def RQ114 : PTXReg<"rq114">;
> -def RQ115 : PTXReg<"rq115">;
> -def RQ116 : PTXReg<"rq116">;
> -def RQ117 : PTXReg<"rq117">;
> -def RQ118 : PTXReg<"rq118">;
> -def RQ119 : PTXReg<"rq119">;
> -def RQ120 : PTXReg<"rq120">;
> -def RQ121 : PTXReg<"rq121">;
> -def RQ122 : PTXReg<"rq122">;
> -def RQ123 : PTXReg<"rq123">;
> -def RQ124 : PTXReg<"rq124">;
> -def RQ125 : PTXReg<"rq125">;
> -def RQ126 : PTXReg<"rq126">;
> -def RQ127 : PTXReg<"rq127">;
> -
> ///===- 16-Bit Registers --------------------------------------------------===//
> 
> def RH0 : PTXReg<"rh0">;
> @@ -679,7 +548,6 @@
> //  Register classes
> //===----------------------------------------------------------------------===//
> def RegPred : RegisterClass<"PTX", [i1], 8, (sequence "P%u", 0, 127)>;
> -def RegI8  : RegisterClass<"PTX", [i8],  8, (sequence "RQ%u", 0, 127)>;
> def RegI16 : RegisterClass<"PTX", [i16], 16, (sequence "RH%u", 0, 127)>;
> def RegI32 : RegisterClass<"PTX", [i32], 32, (sequence "R%u", 0, 127)>;
> def RegI64 : RegisterClass<"PTX", [i64], 64, (sequence "RD%u", 0, 127)>;
> 
> Modified: llvm/trunk/lib/Target/PTX/generate-register-td.py
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/generate-register-td.py?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PTX/generate-register-td.py (original)
> +++ llvm/trunk/lib/Target/PTX/generate-register-td.py Sat Jun 25 13:16:28 2011
> @@ -15,16 +15,15 @@
> from sys import argv, exit, stdout
> 
> 
> -if len(argv) != 6:
> -    print('Usage: generate-register-td.py <num_preds> <num_8> <num_16> <num_32> <num_64>')
> +if len(argv) != 5:
> +    print('Usage: generate-register-td.py <num_preds> <num_16> <num_32> <num_64>')
>     exit(1)
> 
> try:
>     num_pred  = int(argv[1])
> -    num_8bit  = int(argv[2])
> -    num_16bit = int(argv[3])
> -    num_32bit = int(argv[4])
> -    num_64bit = int(argv[5])
> +    num_16bit = int(argv[2])
> +    num_32bit = int(argv[3])
> +    num_64bit = int(argv[4])
> except:
>     print('ERROR: Invalid integer parameter')
>     exit(1)
> @@ -61,11 +60,6 @@
> for r in range(0, num_pred):
>     td_file.write('def P%d : PTXReg<"p%d">;\n' % (r, r))
> 
> -# Print 8-bit registers
> -td_file.write('\n///===- 8-Bit Registers --------------------------------------------------===//\n\n')
> -for r in range(0, num_8bit):
> -    td_file.write('def RQ%d : PTXReg<"rq%d">;\n' % (r, r))
> -
> # Print 16-bit registers
> td_file.write('\n///===- 16-Bit Registers --------------------------------------------------===//\n\n')
> for r in range(0, num_16bit):
> @@ -92,7 +86,6 @@
> # Print register classes
> 
> td_file.write('def RegPred : RegisterClass<"PTX", [i1], 8, (sequence "P%%u", 0, %d)>;\n' % (num_pred-1))
> -td_file.write('def RegI8  : RegisterClass<"PTX", [i8],  8, (sequence "RQ%%u", 0, %d)>;\n' % (num_8bit-1))
> td_file.write('def RegI16 : RegisterClass<"PTX", [i16], 16, (sequence "RH%%u", 0, %d)>;\n' % (num_16bit-1))
> td_file.write('def RegI32 : RegisterClass<"PTX", [i32], 32, (sequence "R%%u", 0, %d)>;\n' % (num_32bit-1))
> td_file.write('def RegI64 : RegisterClass<"PTX", [i64], 64, (sequence "RD%%u", 0, %d)>;\n' % (num_64bit-1))
> @@ -108,20 +101,16 @@
> # Reserve 10% of the available registers for return values, and the other 90%
> # for parameters
> num_ret_pred    = int(0.1 * num_pred)
> -num_ret_8bit    = int(0.1 * num_8bit)
> num_ret_16bit   = int(0.1 * num_16bit)
> num_ret_32bit   = int(0.1 * num_32bit)
> num_ret_64bit   = int(0.1 * num_64bit)
> num_param_pred  = num_pred - num_ret_pred
> -num_param_8bit = num_8bit - num_ret_8bit
> num_param_16bit = num_16bit - num_ret_16bit
> num_param_32bit = num_32bit - num_ret_32bit
> num_param_64bit = num_64bit - num_ret_64bit
> 
> param_regs_pred  = [('P%d' % (i+num_ret_pred)) for i in range(0, num_param_pred)]
> ret_regs_pred    = ['P%d' % i for i in range(0, num_ret_pred)]
> -param_regs_8bit  = [('RQ%d' % (i+num_ret_8bit)) for i in range(0, num_param_8bit)]
> -ret_regs_8bit    = ['RQ%d' % i for i in range(0, num_ret_8bit)]
> param_regs_16bit = [('RH%d' % (i+num_ret_16bit)) for i in range(0, num_param_16bit)]
> ret_regs_16bit   = ['RH%d' % i for i in range(0, num_ret_16bit)]
> param_regs_32bit = [('R%d' % (i+num_ret_32bit)) for i in range(0, num_param_32bit)]
> @@ -131,8 +120,6 @@
> 
> param_list_pred  = reduce(lambda x, y: '%s, %s' % (x, y), param_regs_pred)
> ret_list_pred    = reduce(lambda x, y: '%s, %s' % (x, y), ret_regs_pred)
> -param_list_8bit  = reduce(lambda x, y: '%s, %s' % (x, y), param_regs_8bit)
> -ret_list_8bit    = reduce(lambda x, y: '%s, %s' % (x, y), ret_regs_8bit)
> param_list_16bit = reduce(lambda x, y: '%s, %s' % (x, y), param_regs_16bit)
> ret_list_16bit   = reduce(lambda x, y: '%s, %s' % (x, y), ret_regs_16bit)
> param_list_32bit = reduce(lambda x, y: '%s, %s' % (x, y), param_regs_32bit)
> @@ -157,7 +144,6 @@
> // PTX Formal Parameter Calling Convention
> def CC_PTX : CallingConv<[
>   CCIfType<[i1],      CCAssignToReg<[%s]>>,
> -  CCIfType<[i8],      CCAssignToReg<[%s]>>,
>   CCIfType<[i16],     CCAssignToReg<[%s]>>,
>   CCIfType<[i32,f32], CCAssignToReg<[%s]>>,
>   CCIfType<[i64,f64], CCAssignToReg<[%s]>>
> @@ -166,13 +152,12 @@
> // PTX Return Value Calling Convention
> def RetCC_PTX : CallingConv<[
>   CCIfType<[i1],      CCAssignToReg<[%s]>>,
> -  CCIfType<[i8],      CCAssignToReg<[%s]>>,
>   CCIfType<[i16],     CCAssignToReg<[%s]>>,
>   CCIfType<[i32,f32], CCAssignToReg<[%s]>>,
>   CCIfType<[i64,f64], CCAssignToReg<[%s]>>
> ]>;
> -''' % (param_list_pred, param_list_8bit, param_list_16bit, param_list_32bit, param_list_64bit,
> -       ret_list_pred, ret_list_8bit, ret_list_16bit, ret_list_32bit, ret_list_64bit))
> +''' % (param_list_pred, param_list_16bit, param_list_32bit, param_list_64bit,
> +       ret_list_pred, ret_list_16bit, ret_list_32bit, ret_list_64bit))
> 
> 
> td_file.close()
> 
> Modified: llvm/trunk/test/CodeGen/PTX/cvt.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/cvt.ll?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PTX/cvt.ll (original)
> +++ llvm/trunk/test/CodeGen/PTX/cvt.ll Sat Jun 25 13:16:28 2011
> @@ -3,17 +3,6 @@
> ; preds 
> ; (note: we convert back to i32 to return)
> 
> -define ptx_device i32 @cvt_pred_i8(i8 %x, i1 %y) {
> -; CHECK: setp.gt.b8 p[[P0:[0-9]+]], rq{{[0-9]+}}, 0
> -; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
> -; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
> -; CHECK-NEXT: ret;
> -	%a = trunc i8 %x to i1
> -	%b = and i1 %a, %y
> -	%c = zext i1 %b to i32
> -	ret i32 %c
> -}
> -
> define ptx_device i32 @cvt_pred_i16(i16 %x, i1 %y) {
> ; CHECK: setp.gt.b16 p[[P0:[0-9]+]], rh{{[0-9]+}}, 0
> ; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
> @@ -69,43 +58,6 @@
> 	ret i32 %c
> }
> 
> -; i8
> -
> -define ptx_device i8 @cvt_i8_preds(i1 %x) {
> -; CHECK: selp.u8 rq{{[0-9]+}}, 1, 0, p{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = zext i1 %x to i8
> -	ret i8 %a
> -}
> -
> -define ptx_device i8 @cvt_i8_i32(i32 %x) {
> -; CHECK: cvt.u8.u32 rq{{[0-9]+}}, r{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = trunc i32 %x to i8
> -	ret i8 %a
> -}
> -
> -define ptx_device i8 @cvt_i8_i64(i64 %x) {
> -; CHECK: cvt.u8.u64 rq{{[0-9]+}}, rd{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = trunc i64 %x to i8
> -	ret i8 %a
> -}
> -
> -define ptx_device i8 @cvt_i8_f32(float %x) {
> -; CHECK: cvt.rzi.u8.f32 rq{{[0-9]+}}, r{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = fptoui float %x to i8
> -	ret i8 %a
> -}
> -
> -define ptx_device i8 @cvt_i8_f64(double %x) {
> -; CHECK: cvt.rzi.u8.f64 rq{{[0-9]+}}, rd{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = fptoui double %x to i8
> -	ret i8 %a
> -}
> -
> ; i16
> 
> define ptx_device i16 @cvt_i16_preds(i1 %x) {
> @@ -115,13 +67,6 @@
> 	ret i16 %a
> }
> 
> -define ptx_device i16 @cvt_i16_i8(i8 %x) {
> -; CHECK: cvt.u16.u8 rh{{[0-9]+}}, rq{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = zext i8 %x to i16
> -	ret i16 %a
> -}
> -
> define ptx_device i16 @cvt_i16_i32(i32 %x) {
> ; CHECK: cvt.u16.u32 rh{{[0-9]+}}, r{{[0-9]+}};
> ; CHECK-NEXT: ret;
> @@ -159,13 +104,6 @@
> 	ret i32 %a
> }
> 
> -define ptx_device i32 @cvt_i32_i8(i8 %x) {
> -; CHECK: cvt.u32.u8 r{{[0-9]+}}, rq{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = zext i8 %x to i32
> -	ret i32 %a
> -}
> -
> define ptx_device i32 @cvt_i32_i16(i16 %x) {
> ; CHECK: cvt.u32.u16 r{{[0-9]+}}, rh{{[0-9]+}};
> ; CHECK-NEXT: ret;
> @@ -203,13 +141,6 @@
> 	ret i64 %a
> }
> 
> -define ptx_device i64 @cvt_i64_i8(i8 %x) {
> -; CHECK: cvt.u64.u8 rd{{[0-9]+}}, rq{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = zext i8 %x to i64
> -	ret i64 %a
> -}
> -
> define ptx_device i64 @cvt_i64_i16(i16 %x) {
> ; CHECK: cvt.u64.u16 rd{{[0-9]+}}, rh{{[0-9]+}};
> ; CHECK-NEXT: ret;
> @@ -247,13 +178,6 @@
> 	ret float %a
> }
> 
> -define ptx_device float @cvt_f32_i8(i8 %x) {
> -; CHECK: cvt.rn.f32.u8 r{{[0-9]+}}, rq{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = uitofp i8 %x to float
> -	ret float %a
> -}
> -
> define ptx_device float @cvt_f32_i16(i16 %x) {
> ; CHECK: cvt.rn.f32.u16 r{{[0-9]+}}, rh{{[0-9]+}};
> ; CHECK-NEXT: ret;
> @@ -291,13 +215,6 @@
> 	ret double %a
> }
> 
> -define ptx_device double @cvt_f64_i8(i8 %x) {
> -; CHECK: cvt.rn.f64.u8 rd{{[0-9]+}}, rq{{[0-9]+}};
> -; CHECK-NEXT: ret;
> -	%a = uitofp i8 %x to double
> -	ret double %a
> -}
> -
> define ptx_device double @cvt_f64_i16(i16 %x) {
> ; CHECK: cvt.rn.f64.u16 rd{{[0-9]+}}, rh{{[0-9]+}};
> ; CHECK-NEXT: ret;
> 
> Modified: llvm/trunk/test/CodeGen/PTX/ld.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/ld.ll?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PTX/ld.ll (original)
> +++ llvm/trunk/test/CodeGen/PTX/ld.ll Sat Jun 25 13:16:28 2011
> @@ -1,17 +1,5 @@
> ; RUN: llc < %s -march=ptx32 | FileCheck %s
> 
> -;CHECK: .extern .global .b8 array_i8[10];
> - at array_i8 = external global [10 x i8]
> -
> -;CHECK: .extern .const .b8 array_constant_i8[10];
> - at array_constant_i8 = external addrspace(1) constant [10 x i8]
> -
> -;CHECK: .extern .local .b8 array_local_i8[10];
> - at array_local_i8 = external addrspace(2) global [10 x i8]
> -
> -;CHECK: .extern .shared .b8 array_shared_i8[10];
> - at array_shared_i8 = external addrspace(4) global [10 x i8]
> -
> ;CHECK: .extern .global .b8 array_i16[20];
> @array_i16 = external global [10 x i16]
> 
> @@ -72,13 +60,6 @@
> ;CHECK: .extern .shared .b8 array_shared_double[80];
> @array_shared_double = external addrspace(4) global [10 x double]
> 
> -define ptx_device i8 @t1_u8(i8* %p) {
> -entry:
> -;CHECK: ld.global.u8 rq{{[0-9]+}}, [r{{[0-9]+}}];
> -;CHECK-NEXT: ret;
> -  %x = load i8* %p
> -  ret i8 %x
> -}
> 
> define ptx_device i16 @t1_u16(i16* %p) {
> entry:
> @@ -120,15 +101,6 @@
>   ret double %x
> }
> 
> -define ptx_device i8 @t2_u8(i8* %p) {
> -entry:
> -;CHECK: ld.global.u8 rq{{[0-9]+}}, [r{{[0-9]+}}+1];
> -;CHECK-NEXT: ret;
> -  %i = getelementptr i8* %p, i32 1
> -  %x = load i8* %i
> -  ret i8 %x
> -}
> -
> define ptx_device i16 @t2_u16(i16* %p) {
> entry:
> ;CHECK: ld.global.u16 rh{{[0-9]+}}, [r{{[0-9]+}}+2];
> @@ -174,15 +146,6 @@
>   ret double %x
> }
> 
> -define ptx_device i8 @t3_u8(i8* %p, i32 %q) {
> -entry:
> -;CHECK: add.u32 r[[R0:[0-9]+]], r{{[0-9]+}}, r{{[0-9]+}};
> -;CHECK-NEXT: ld.global.u8 rq{{[0-9]+}}, [r[[R0]]];
> -  %i = getelementptr i8* %p, i32 %q
> -  %x = load i8* %i
> -  ret i8 %x
> -}
> -
> define ptx_device i16 @t3_u16(i16* %p, i32 %q) {
> entry:
> ;CHECK: shl.b32 r[[R0:[0-9]+]], r{{[0-9]+}}, 1;
> @@ -233,16 +196,6 @@
>   ret double %x
> }
> 
> -define ptx_device i8 @t4_global_u8() {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_i8;
> -;CHECK-NEXT: ld.global.u8 rq{{[0-9]+}}, [r[[R0]]];
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8]* @array_i8, i32 0, i32 0
> -  %x = load i8* %i
> -  ret i8 %x
> -}
> -
> define ptx_device i16 @t4_global_u16() {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_i16;
> @@ -343,16 +296,6 @@
>   ret double %x
> }
> 
> -define ptx_device i8 @t4_local_u8() {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_local_i8;
> -;CHECK-NEXT: ld.local.u8 rq{{[0-9]+}}, [r[[R0]]];
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8] addrspace(2)* @array_local_i8, i32 0, i32 0
> -  %x = load i8 addrspace(2)* %i
> -  ret i8 %x
> -}
> -
> define ptx_device i16 @t4_local_u16() {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_local_i16;
> @@ -403,16 +346,6 @@
>   ret double %x
> }
> 
> -define ptx_device i8 @t4_shared_u8() {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_shared_i8;
> -;CHECK-NEXT: ld.shared.u8 rq{{[0-9]+}}, [r[[R0]]];
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8] addrspace(4)* @array_shared_i8, i32 0, i32 0
> -  %x = load i8 addrspace(4)* %i
> -  ret i8 %x
> -}
> -
> define ptx_device i16 @t4_shared_u16() {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_shared_i16;
> @@ -463,16 +396,6 @@
>   ret double %x
> }
> 
> -define ptx_device i8 @t5_u8() {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_i8;
> -;CHECK-NEXT: ld.global.u8 rq{{[0-9]+}}, [r[[R0]]+1];
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8]* @array_i8, i32 0, i32 1
> -  %x = load i8* %i
> -  ret i8 %x
> -}
> -
> define ptx_device i16 @t5_u16() {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_i16;
> 
> Modified: llvm/trunk/test/CodeGen/PTX/mov.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/mov.ll?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PTX/mov.ll (original)
> +++ llvm/trunk/test/CodeGen/PTX/mov.ll Sat Jun 25 13:16:28 2011
> @@ -1,11 +1,5 @@
> ; RUN: llc < %s -march=ptx32 | FileCheck %s
> 
> -define ptx_device i8 @t1_u8() {
> -; CHECK: mov.u8 rq{{[0-9]+}}, 0;
> -; CHECK: ret;
> -	ret i8 0
> -}
> -
> define ptx_device i16 @t1_u16() {
> ; CHECK: mov.u16 rh{{[0-9]+}}, 0;
> ; CHECK: ret;
> @@ -36,12 +30,6 @@
> 	ret double 0.0
> }
> 
> -define ptx_device i8 @t2_u8(i8 %x) {
> -; CHECK: mov.u8 rq{{[0-9]+}}, rq{{[0-9]+}};
> -; CHECK: ret;
> -	ret i8 %x
> -}
> -
> define ptx_device i16 @t2_u16(i16 %x) {
> ; CHECK: mov.u16 rh{{[0-9]+}}, rh{{[0-9]+}};
> ; CHECK: ret;
> 
> Modified: llvm/trunk/test/CodeGen/PTX/st.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/st.ll?rev=133873&r1=133872&r2=133873&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PTX/st.ll (original)
> +++ llvm/trunk/test/CodeGen/PTX/st.ll Sat Jun 25 13:16:28 2011
> @@ -1,17 +1,5 @@
> ; RUN: llc < %s -march=ptx32 | FileCheck %s
> 
> -;CHECK: .extern .global .b8 array_i8[10];
> - at array_i8 = external global [10 x i8]
> -
> -;CHECK: .extern .const .b8 array_constant_i8[10];
> - at array_constant_i8 = external addrspace(1) constant [10 x i8]
> -
> -;CHECK: .extern .local .b8 array_local_i8[10];
> - at array_local_i8 = external addrspace(2) global [10 x i8]
> -
> -;CHECK: .extern .shared .b8 array_shared_i8[10];
> - at array_shared_i8 = external addrspace(4) global [10 x i8]
> -
> ;CHECK: .extern .global .b8 array_i16[20];
> @array_i16 = external global [10 x i16]
> 
> @@ -72,13 +60,6 @@
> ;CHECK: .extern .shared .b8 array_shared_double[80];
> @array_shared_double = external addrspace(4) global [10 x double]
> 
> -define ptx_device void @t1_u8(i8* %p, i8 %x) {
> -entry:
> -;CHECK: st.global.u8 [r{{[0-9]+}}], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  store i8 %x, i8* %p
> -  ret void
> -}
> 
> define ptx_device void @t1_u16(i16* %p, i16 %x) {
> entry:
> @@ -120,15 +101,6 @@
>   ret void
> }
> 
> -define ptx_device void @t2_u8(i8* %p, i8 %x) {
> -entry:
> -;CHECK: st.global.u8 [r{{[0-9]+}}+1], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  %i = getelementptr i8* %p, i32 1
> -  store i8 %x, i8* %i
> -  ret void
> -}
> -
> define ptx_device void @t2_u16(i16* %p, i16 %x) {
> entry:
> ;CHECK: st.global.u16 [r{{[0-9]+}}+2], rh{{[0-9]+}};
> @@ -174,16 +146,6 @@
>   ret void
> }
> 
> -define ptx_device void @t3_u8(i8* %p, i32 %q, i8 %x) {
> -entry:
> -;CHECK: add.u32 r[[R0:[0-9]+]], r{{[0-9]+}}, r{{[0-9]+}};
> -;CHECK-NEXT: st.global.u8 [r[[R0]]], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  %i = getelementptr i8* %p, i32 %q
> -  store i8 %x, i8* %i
> -  ret void
> -}
> -
> define ptx_device void @t3_u16(i16* %p, i32 %q, i16 %x) {
> entry:
> ;CHECK: shl.b32 r[[R0:[0-9]+]], r{{[0-9]+}}, 1;
> @@ -239,16 +201,6 @@
>   ret void
> }
> 
> -define ptx_device void @t4_global_u8(i8 %x) {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_i8;
> -;CHECK-NEXT: st.global.u8 [r[[R0]]], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8]* @array_i8, i8 0, i8 0
> -  store i8 %x, i8* %i
> -  ret void
> -}
> -
> define ptx_device void @t4_global_u16(i16 %x) {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_i16;
> @@ -299,16 +251,6 @@
>   ret void
> }
> 
> -define ptx_device void @t4_local_u8(i8 %x) {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_local_i8;
> -;CHECK-NEXT: st.local.u8 [r[[R0]]], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8] addrspace(2)* @array_local_i8, i32 0, i32 0
> -  store i8 %x, i8 addrspace(2)* %i
> -  ret void
> -}
> -
> define ptx_device void @t4_local_u16(i16 %x) {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_local_i16;
> @@ -359,16 +301,6 @@
>   ret void
> }
> 
> -define ptx_device void @t4_shared_u8(i8 %x) {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_shared_i8;
> -;CHECK-NEXT: st.shared.u8 [r[[R0]]], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8] addrspace(4)* @array_shared_i8, i32 0, i32 0
> -  store i8 %x, i8 addrspace(4)* %i
> -  ret void
> -}
> -
> define ptx_device void @t4_shared_u16(i16 %x) {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_shared_i16;
> @@ -419,16 +351,6 @@
>   ret void
> }
> 
> -define ptx_device void @t5_u8(i8 %x) {
> -entry:
> -;CHECK: mov.u32 r[[R0:[0-9]+]], array_i8;
> -;CHECK-NEXT: st.global.u8 [r[[R0]]+1], rq{{[0-9]+}};
> -;CHECK-NEXT: ret;
> -  %i = getelementptr [10 x i8]* @array_i8, i32 0, i32 1
> -  store i8 %x, i8* %i
> -  ret void
> -}
> -
> define ptx_device void @t5_u16(i16 %x) {
> entry:
> ;CHECK: mov.u32 r[[R0:[0-9]+]], array_i16;
> 
> 
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