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Author SHA1 Message Date
Brian Gaeke
2c5d55fd94 Do not hardcode the name of gcc, because its full pathname may have been 
specified by top-level configure

llvm-svn: 13458
 2004-05-11 07:42:58 +00:00
Brian Gaeke
a9447a8995 Do not depend on the path to bash 
llvm-svn: 13457
 2004-05-11 07:42:19 +00:00
Brian Gaeke
2d5a7a7b2f Include <sys/types.h> to get the definition of int64_t on Solaris. 
llvm-svn: 13456
 2004-05-11 07:18:02 +00:00
Chris Lattner
279d8e8e2d Switch this from using an std::map to using a DenseMap. This speeds up 
phi-elimination from 0.6 to 0.54s on kc++.

llvm-svn: 13454
 2004-05-10 19:17:36 +00:00
Chris Lattner
3fb5488b5e Use a new VRegPHIUseCount to compute uses of PHI values by other phi values 
in the basic block being processed.  This fixes PhiElimination on kimwitu++
from taking 105s to taking a much more reasonable 0.6s (in a debug build).

llvm-svn: 13453
 2004-05-10 19:06:37 +00:00
Chris Lattner
8b57a31ff4 Now that we use an ilist of machine instructions, iterators are more robust 
than before.  Because this is the case, we can compute the first non-phi
instruction once when de-phi'ing a block.  This shaves ~4s off of
phielimination of _Z7yyparsev in kimwitu++ from 109s -> 105s.  There are
still much more important gains to come.

llvm-svn: 13452
 2004-05-10 18:47:18 +00:00
Chris Lattner
a407338e12 Fix a fairly serious pessimizaion that was preventing us from efficiently 
compiling things like 'add long %X, 1'.  The problem is that we were switching
the order of the operands for longs even though we can't fold them yet.

llvm-svn: 13451
 2004-05-10 15:15:55 +00:00
Chris Lattner
385eb588e0 Bug fixed 
llvm-svn: 13450
 2004-05-10 14:28:09 +00:00
Chris Lattner
b37490a331 Patch to fix PR337. Make sure to mark all aliased physical registers as used 
when we see a read of a register.  This is important in cases like:

AL = ...
AH = ...

   = AX

The read of AX must make both the AL and AH defs live until the use.

llvm-svn: 13444
 2004-05-10 05:12:43 +00:00
Chris Lattner
35e874420b Testcase for PR337, which was reduced by Reid Spencer. 
llvm-svn: 13443
 2004-05-10 05:11:24 +00:00
Reid Spencer
eebac3ea54 Bug 178 Fixed 
llvm-svn: 13442
 2004-05-09 23:32:39 +00:00
Reid Spencer
b417772e42 Changes to make the Stacker Stack use 64 bit values. This *should* get 
around the problem with Stacker on Solaris because the Stack can handle
64-bit entries (pointer sized).

llvm-svn: 13441
 2004-05-09 23:20:19 +00:00
Chris Lattner
0962db8f10 Fix some comments, avoid sign extending booleans when zero extend works fine 
llvm-svn: 13440
 2004-05-09 23:16:33 +00:00
Chris Lattner
d18c637a37 Generate more efficient code for casting booleans to integers (no sign extension required) 
llvm-svn: 13439
 2004-05-09 22:28:45 +00:00
Chris Lattner
8ccfc21a0f syntactically loopify natural loops so that the GCC loop optimizer can find them. This should *dramatically* improve the performance of CBE compiled code on targets that depend on GCC's loop optimizations (like PPC) 
llvm-svn: 13438
 2004-05-09 20:41:32 +00:00
Chris Lattner
c6a63660e6 Do not emit prototypes for setjmp/longjmp, as they are handled specially 
llvm-svn: 13437
 2004-05-09 16:03:29 +00:00
Chris Lattner
7c723ecb57 Fine grainify namespacification 
llvm-svn: 13436
 2004-05-09 06:22:29 +00:00
Chris Lattner
4926af5c32 Make the floating point constant pools local to each function, split the 
FindUsedTypes manipulation stuff out to be a seperate pass, and make the
main CWriter be a function pass now!

llvm-svn: 13435
 2004-05-09 06:20:51 +00:00
Brian Gaeke
5bff7f662b Bug fixed. 
Rewrite portability intro.

llvm-svn: 13434
 2004-05-09 05:28:35 +00:00
Chris Lattner
37abb037bf Get this looking more like a function pass. 
llvm-svn: 13433
 2004-05-09 04:30:20 +00:00
Chris Lattner
da4ac5d876 Implement the AddPrototypes method 
llvm-svn: 13432
 2004-05-09 04:29:57 +00:00
Chris Lattner
337ea7709a Add support for inserting all prototypes up-front 
llvm-svn: 13431
 2004-05-09 04:29:49 +00:00
Chris Lattner
99b7c2b532 Print all PHI copies for successor blocks before the terminator, whether it be a conditional branch or switch. 
llvm-svn: 13430
 2004-05-09 03:42:48 +00:00
Chris Lattner
0efd1cb264 Fix stupid bug in my checkin yesterday 
llvm-svn: 13429
 2004-05-08 22:41:42 +00:00
Tanya Lattner
c69bb49340 Fixed up sched graph. 
llvm-svn: 13428
 2004-05-08 16:14:24 +00:00
Tanya Lattner
9b4ee61855 Registering the ModuloScheduling pass. 
llvm-svn: 13427
 2004-05-08 16:14:02 +00:00
Tanya Lattner
f97f4f8760 Changed CPUResource to allow access to max num users for a resource. 
Also added ModuloScheduling as a friend.

llvm-svn: 13426
 2004-05-08 16:13:26 +00:00
Tanya Lattner
b6ecf521da Changed CPUResource to allow access to maxnum users. 
llvm-svn: 13425
 2004-05-08 16:12:50 +00:00
Tanya Lattner
57339f67d6 Updating my versions of ModuloScheduling in cvs. Still not complete. 
llvm-svn: 13424
 2004-05-08 16:12:10 +00:00
Brian Gaeke
7cc5d0f106 Add support for widening integral casts. 
Flesh out the SetCC support... which currently ends in a little bit
of unfinished code (which is probably completely hilarious) for
generating the condition value splitting the basic block up into 4
blocks, like this (clearly a better API is needed for this!):

       BB
   cond. branch
     /         /          R1=1    R2=0
     \      /
      \    /
    R=phi(R1,R2)

Other minor edits.

llvm-svn: 13423
 2004-05-08 06:36:14 +00:00
Brian Gaeke
58fd2b0e4a Add a bunch more branches 
llvm-svn: 13422
 2004-05-08 06:08:29 +00:00
Brian Gaeke
faf41642ca Flesh out GEP support 
llvm-svn: 13421
 2004-05-08 05:27:20 +00:00
Brian Gaeke
e44dbd4a39 Add ADD with immediate 
llvm-svn: 13420
 2004-05-08 05:26:55 +00:00
Brian Gaeke
5861a59506 Add forms of CMP, SUBCC, and a few branches, and some comments. 
llvm-svn: 13419
 2004-05-08 04:21:32 +00:00
Brian Gaeke
eaf8a021e3 Add stub support for GEPs. 
Add support for branches (based loosely on X86/InstSelectSimple).
Add support for not visiting phi nodes in the first pass.
Add support for loading bools.
Flesh out support for stores.

llvm-svn: 13418
 2004-05-08 04:21:17 +00:00
Alkis Evlogimenos
76be543a64 Add required header 
llvm-svn: 13417
 2004-05-08 03:50:03 +00:00
Alkis Evlogimenos
6022169db7 Remove unneeded header 
llvm-svn: 13416
 2004-05-08 03:49:35 +00:00
Chris Lattner
e3b3e333b0 Implement folding of GEP's like: 
%tmp.0 = getelementptr [50 x sbyte]* %ar, uint 0, int 5         ; <sbyte*> [#uses=2]
        %tmp.7 = getelementptr sbyte* %tmp.0, int 8             ; <sbyte*> [#uses=1]

together.  This patch actually allows us to simplify and generalize the code.

llvm-svn: 13415
 2004-05-07 22:09:22 +00:00
Brian Gaeke
e99247512f Allow the user to set the LLVMINTERP environment variable as a workaround, for 
when they have to run a gccld shell script without having lli in their path.
This is intended to address Bug 289.

Also, emit the traditional syntax ${1+"$@"} for passing all of a shell script's
args to a subprocess. If you have arguments that have spaces in them, $* will
not preserve the quoting (i.e., the quoted string "foo bar" as an argument will
end up as two arguments "foo" "bar" to lli.)

llvm-svn: 13414
 2004-05-07 21:47:36 +00:00
Brian Gaeke
0d477a958f Add support for copying bool constants to registers. 
Disable the code that copies long constants to registers - it looks fishy.
Implement some simple casts: integral, smaller than longs, and equal-width
 or narrowing only.

llvm-svn: 13413
 2004-05-07 21:39:30 +00:00
Chris Lattner
67c21e74ec Codegen floating point stores of constants into integer instructions. This 
allows us to compile:

store float 10.0, float* %P

into:
        mov DWORD PTR [%EAX], 1092616192

instead of:

.CPItest_0:                                     # float 0x4024000000000000
.long   1092616192      # float 10
...
        fld DWORD PTR [.CPItest_0]
        fstp DWORD PTR [%EAX]

llvm-svn: 13409
 2004-05-07 21:18:15 +00:00
Brian Gaeke
0bfc4cbb20 Add more casts. You can never have enough casts. 
llvm-svn: 13408
 2004-05-07 21:10:28 +00:00
Chris Lattner
2021030378 Make comparisons against the null pointer as efficient as integer comparisons 
against zero.  In particular, don't emit:

        mov %ESI, 0
        cmp %ECX, %ESI

instead, emit:

       test %ECX, %ECX

llvm-svn: 13407
 2004-05-07 19:55:55 +00:00
Chris Lattner
9d47fb5055 PR implemented 
llvm-svn: 13406
 2004-05-07 19:23:05 +00:00
Chris Lattner
335945deb6 Bug fixed 
llvm-svn: 13403
 2004-05-07 18:40:38 +00:00
Chris Lattner
25eab703b8 New testcase 
llvm-svn: 13402
 2004-05-07 18:38:59 +00:00
Chris Lattner
d2bfeadad8 New testcase for PR336 
llvm-svn: 13401
 2004-05-07 15:38:50 +00:00
Chris Lattner
6340390476 Fix PR336: The instcombine pass asserts when visiting load instruction 
llvm-svn: 13400
 2004-05-07 15:35:56 +00:00
John Criswell
9d57722f25 Regression test for PR#330. 
llvm-svn: 13399
 2004-05-07 13:57:19 +00:00
Chris Lattner
49980050b5 Add the enum corresponding to the source change I made earlier 
llvm-svn: 13395
 2004-05-07 02:27:32 +00:00