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11255 Commits

Author SHA1 Message Date
Chris Lattner 79d9a93a71 This is the only file in the system that uses this enum. eliminate it. 
llvm-svn: 11981
 2004-02-29 05:57:59 +00:00
Chris Lattner f611ca055c Scrap a huge layer of cruft out of this interface. 
llvm-svn: 11980
 2004-02-29 05:57:21 +00:00
Chris Lattner e5f08917ae Implement initial prolog/epilog code insertion methods. 
llvm-svn: 11979
 2004-02-29 05:18:30 +00:00
Chris Lattner 5e7b3180e5 Remove unneeded #include 
llvm-svn: 11978
 2004-02-29 05:15:56 +00:00
Chris Lattner 44b1b22a2d int64_t -> int 
llvm-svn: 11977
 2004-02-29 05:07:02 +00:00
Chris Lattner a33f2b3731 Continue Alkis's int64_t cleanup. This makes all of the immediate related 
methods take an int or unsigned value instead of int64_t.

Also, add an 'addImm' method to the MachineInstrBuilder class, because the
fact that the hardware sign or zero extends it does not/should not matter
to the code generator.  Once the old sparc backend is removed the difference
can be eliminated.

llvm-svn: 11976
 2004-02-29 05:06:49 +00:00
Chris Lattner 349b8c928d Add BuildMI variants that take a MBB::iterator 
llvm-svn: 11975
 2004-02-29 04:55:28 +00:00
Alkis Evlogimenos 876f6f96d0 Use correct template for ADC instruction with memory operands. 
llvm-svn: 11974
 2004-02-29 02:18:17 +00:00
Chris Lattner b1862e4d3b Add an instruction selector capable of selecting 'ret void' 
llvm-svn: 11973
 2004-02-29 00:27:00 +00:00
Alkis Evlogimenos fa63580517 SHLD and SHRD take 32-bit operands but an 8-bit immediate. Rename them 
to denote this fact.

llvm-svn: 11972
 2004-02-28 23:46:44 +00:00
Alkis Evlogimenos 4953ae085a Floating point loads/stores act on memory operands. Rename them to 
denote this fact.

llvm-svn: 11971
 2004-02-28 23:42:35 +00:00
Alkis Evlogimenos c6948fa762 Rename instruction templates to be easier to the human eye to 
parse. The name is now I (operand size)*. For example:

Im32 -> instruction with 32-bit memory operands.

Im16i8 -> instruction with 16-bit memory operands and 8 bit immediate
          operands.

llvm-svn: 11970
 2004-02-28 23:09:03 +00:00
Alkis Evlogimenos 5b5dee4afb Uncomment instructions that take both an immediate and a memory 
operand but their sizes differ.

llvm-svn: 11969
 2004-02-28 22:06:59 +00:00
Brian Gaeke c0f3741a16 Fix my sloppiness 
llvm-svn: 11968
 2004-02-28 22:06:03 +00:00
Alkis Evlogimenos 194939086d Each instruction now has both an ImmType and a MemType. This describes 
the size of the immediate and the memory operand on instructions that
use them. This resolves problems with instructions that take both a
memory and an immediate operand but their sizes differ (i.e. ADDmi32b).

llvm-svn: 11967
 2004-02-28 22:02:05 +00:00
Brian Gaeke 465a5cc291 Fix typo in comment 
llvm-svn: 11966
 2004-02-28 21:55:18 +00:00
Chris Lattner c116ede471 Add a testcase for switch instruction induction 
llvm-svn: 11965
 2004-02-28 21:30:39 +00:00
Chris Lattner d3e6ae263c Implement switch->br and br->switch folding by ripping out the switch->switch 
and br->br code and generalizing it.  This allows us to compile code like this:

int test(Instruction *I) {
  if (isa<CastInst>(I))
    return foo(7);
  else if (isa<BranchInst>(I))
    return foo(123);
  else if (isa<UnwindInst>(I))
    return foo(1241);
  else if (isa<SetCondInst>(I))
    return foo(1);
  else if (isa<VAArgInst>(I))
    return foo(42);
  return foo(-1);
}

into:

int %_Z4testPN4llvm11InstructionE("struct.llvm::Instruction"* %I) {
entry:
        %tmp.1.i.i.i.i.i.i.i = getelementptr "struct.llvm::Instruction"* %I, long 0, ubyte 4            ; <uint*> [#uses=1]
        %tmp.2.i.i.i.i.i.i.i = load uint* %tmp.1.i.i.i.i.i.i.i          ; <uint> [#uses=2]
        %tmp.2.i.i.i.i.i.i = seteq uint %tmp.2.i.i.i.i.i.i.i, 27                ; <bool> [#uses=0]
        switch uint %tmp.2.i.i.i.i.i.i.i, label %endif.0 [
                 uint 27, label %then.0
                 uint 2, label %then.1
                 uint 5, label %then.2
                 uint 14, label %then.3
                 uint 15, label %then.3
                 uint 16, label %then.3
                 uint 17, label %then.3
                 uint 18, label %then.3
                 uint 19, label %then.3
                 uint 32, label %then.4
        ]
...

As well as handling the cases in 176.gcc and many other programs more effectively.

llvm-svn: 11964
 2004-02-28 21:28:10 +00:00
Chris Lattner 72bb8fcb15 Change this so that LLC actually tries to run the code generator, though it will 
immediately abort due to lack of an instruction selector. :)

llvm-svn: 11963
 2004-02-28 20:21:45 +00:00
Chris Lattner 72170c4a2e Add a hook to run with the V8 target, though it doesn't currently work. Also 
mark the PPC backend as experimental

llvm-svn: 11962
 2004-02-28 19:55:16 +00:00
Chris Lattner fc5232ba3a Add hook for V8 target 
llvm-svn: 11961
 2004-02-28 19:54:16 +00:00
Chris Lattner 990c279f5c SparcV8 now builds. 
llvm-svn: 11960
 2004-02-28 19:54:00 +00:00
Chris Lattner daeeaa72cd fine grainify namespacification 
llvm-svn: 11959
 2004-02-28 19:53:18 +00:00
Chris Lattner 1a3ee3e961 Finegrainify namespacification 
llvm-svn: 11958
 2004-02-28 19:52:49 +00:00
Chris Lattner e40fd90b0b Tab completion is our friend. 
llvm-svn: 11957
 2004-02-28 19:45:39 +00:00
Chris Lattner 0179fb5881 Clean up rules 
llvm-svn: 11956
 2004-02-28 19:43:40 +00:00
Chris Lattner 74598091a1 Bring this directory into "it actually compiles" land 
llvm-svn: 11955
 2004-02-28 19:37:18 +00:00
Chris Lattner 3290952f8b Fix multiple inclusion problem 
llvm-svn: 11954
 2004-02-28 19:31:32 +00:00
Chris Lattner 772eafa332 if there is already a prototype for malloc/free, use it, even if it's incorrect. 
Do not just inject a new prototype.

llvm-svn: 11951
 2004-02-28 18:51:45 +00:00
Chris Lattner 36326de312 Do not remove an active template argument even if the superclass had one of the 
same name

llvm-svn: 11950
 2004-02-28 17:41:48 +00:00
Chris Lattner 178f0f1405 fix a bug in the testcase 
llvm-svn: 11949
 2004-02-28 17:33:21 +00:00
Chris Lattner 994f2d1406 Ignore X = X assignments that was causing Alkis's rewrite of X86.td to crash 
tblgen.

llvm-svn: 11948
 2004-02-28 17:31:28 +00:00
Chris Lattner 1ddddf536a new testcase for a tblgen bug that alkis ran into 
llvm-svn: 11947
 2004-02-28 16:43:44 +00:00
Chris Lattner d959ab9208 Assert instead of going into an infinite loop! 
llvm-svn: 11946
 2004-02-28 16:31:53 +00:00
Brian Gaeke 18577345aa ELF constants and data structures. 
llvm-svn: 11945
 2004-02-28 06:26:20 +00:00
Alkis Evlogimenos 2debead504 Do not generate instructions with mismatched memory/immediate sized 
operands. The X86 backend doesn't handle them properly right now.

llvm-svn: 11944
 2004-02-28 06:01:43 +00:00
Chris Lattner eff5f51807 new testcase for intrinsic folding 
llvm-svn: 11943
 2004-02-28 05:28:42 +00:00
Chris Lattner b66f42427a The instruction combining pass removes dead instructions, there is no need 
to run the die pass after it.

llvm-svn: 11942
 2004-02-28 05:26:06 +00:00
Chris Lattner 51ea127bf3 Rename AddUsesToWorkList -> AddUsersToWorkList, as that is what it does. 
Create a new AddUsesToWorkList method
optimize memmove/set/cpy of zero bytes to a noop.

llvm-svn: 11941
 2004-02-28 05:22:00 +00:00
Chris Lattner f3a366062c Turn 'free null' into nothing 
llvm-svn: 11940
 2004-02-28 04:57:37 +00:00
Misha Brukman 8a2c28fdda Right, it's really Extractor, not Extraction. 
llvm-svn: 11939
 2004-02-28 03:37:58 +00:00
Misha Brukman 370c58a44a New Function-level transformation utils. 
llvm-svn: 11938
 2004-02-28 03:33:30 +00:00
Misha Brukman 3151628a0d Add the prototype for the LoopExtractor Pass. 
llvm-svn: 11937
 2004-02-28 03:33:17 +00:00
Misha Brukman 03a11340ff A pass that uses the generic CodeExtractor to rip out *every* loop in every 
function, as long as the loop isn't the only one in that function. This should
help debugging passes easier with BugPoint.

llvm-svn: 11936
 2004-02-28 03:33:01 +00:00
Misha Brukman caa1a5abeb A generic code extractor: given a list of BasicBlocks, it will rip them out into 
a new function, taking care of inputs and outputs.

llvm-svn: 11935
 2004-02-28 03:26:20 +00:00
Misha Brukman be74d5f73a Two testcases for loops: one with outputs, one without. 
llvm-svn: 11934
 2004-02-28 03:20:41 +00:00
Alkis Evlogimenos 24b3d0bdae Further comment updates. 
llvm-svn: 11933
 2004-02-28 03:20:31 +00:00
Alkis Evlogimenos f87966b8c4 Update comments. 
llvm-svn: 11932
 2004-02-28 03:12:31 +00:00
Alkis Evlogimenos 2dbc79df84 My previous commit broke the jit. The shift instructions always take 
an 8-bit immediate. So mark the shifts that take immediates as taking
an 8-bit argument. The rest with the implicit use of CL are marked
appropriately.

A bug still exists:

def SHLDmri32  : I2A8 <"shld", 0xA4, MRMDestMem>, TB;           // [mem32] <<= [mem32],R32 imm8

The immediate in the above instruction is 8-bit but the memory
reference is 32-bit. The printer prints this as an 8-bit reference
which confuses the assembler. Same with SHRDmri32.

llvm-svn: 11931
 2004-02-28 02:56:26 +00:00
Brian Gaeke ffeef64177 Turn off the SparcV9MachineCodeDestructionPass for now, because it's buggy 
llvm-svn: 11930
 2004-02-27 21:15:40 +00:00