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Author SHA1 Message Date
Misha Brukman
e096a50cb7 Remove trailing whitespace, patch by Markus Oberhumer. 
llvm-svn: 21379
 2005-04-20 16:05:03 +00:00
Misha Brukman
7f08d0bc03 Add FIXME by Markus Oberhumer from bug 545: not checking for "." in $PATH may 
result in returning executable files that won't be runnable.

llvm-svn: 21378
 2005-04-20 15:42:11 +00:00
Misha Brukman
11854af05f Do not mark directories as `executable', we only want program files 
Patch by Markus Oberhumer.

llvm-svn: 21377
 2005-04-20 15:33:22 +00:00
Misha Brukman
7f8c9b4840 #include system headers after all LLVM headers 
llvm-svn: 21374
 2005-04-20 04:51:29 +00:00
Misha Brukman
75950190e3 Eliminate trailing spaces at end-of-line 
llvm-svn: 21372
 2005-04-20 04:08:35 +00:00
Misha Brukman
cf206fe8e1 Consistently eschew space between *' or &' and function argument name 
llvm-svn: 21371
 2005-04-20 04:07:47 +00:00
Misha Brukman
4113ed635d Ignore dangling symlinks in getDirectoryContents() 
Thanks to Markus Oberhumer for the patch!

llvm-svn: 21370
 2005-04-20 04:04:07 +00:00
Misha Brukman
1e88051ee8 Initialize fields mode, uid, and gid. 
Patch by Markus Oberhumer.  Thanks!

llvm-svn: 21369
 2005-04-20 03:55:35 +00:00
Misha Brukman
e69c186935 Align comments together for consistency 
llvm-svn: 21368
 2005-04-20 03:52:59 +00:00
Misha Brukman
30460cb33d * Print commands as we execute them with `-v' 
* Add option `-save-temps'
Patch contributed by Markus Oberhumer.

llvm-svn: 21367
 2005-04-20 03:22:18 +00:00
Chris Lattner
145f1ec0a4 Wrap some long lines. 
Make IPSCCP strip off dead constant exprs that are using functions, making
them appear as though their address is taken.  This allows us to propagate
some more pool descriptors, lowering the overhead of pool alloc.

llvm-svn: 21363
 2005-04-19 19:16:19 +00:00
Chris Lattner
070188a856 ignore generated files 
llvm-svn: 21362
 2005-04-19 15:34:36 +00:00
Chris Lattner
0c97ef0c04 fix bogus warning 
llvm-svn: 21361
 2005-04-19 15:32:30 +00:00
Chris Lattner
64b466c8b1 fix PR549 
llvm-svn: 21360
 2005-04-19 15:27:29 +00:00
Chris Lattner
2538f1236a Bug fixed 
llvm-svn: 21355
 2005-04-19 06:08:04 +00:00
Chris Lattner
6b0132b48b Eliminate a broken transformation, fixing PR548 
llvm-svn: 21354
 2005-04-19 06:04:18 +00:00
Chris Lattner
3d4612c54c Add completely untested support for mtcrf/mfcrf encoding 
llvm-svn: 21353
 2005-04-19 05:41:52 +00:00
Chris Lattner
e6f861f92c switch over the rest of the formats that use RC to use isDOT 
llvm-svn: 21352
 2005-04-19 05:21:30 +00:00
Chris Lattner
082ca8fcab Convert the XForm instrs and XSForm instruction over to use isDOT 
llvm-svn: 21351
 2005-04-19 05:15:18 +00:00
Chris Lattner
3fdfd4e009 Now that the ppc64 and vmx operands of I are always 0, forward substitute 
them away.

llvm-svn: 21350
 2005-04-19 05:05:22 +00:00
Chris Lattner
e6f7713f03 convert over bform and iform instructions 
llvm-svn: 21349
 2005-04-19 05:00:59 +00:00
Chris Lattner
3ae0832381 Convert over DForm and DSForm instructions 
llvm-svn: 21348
 2005-04-19 04:59:28 +00:00
Chris Lattner
4ecf523af4 Convert XLForm and XForm instructions over to use PPC64 when appropriate. 
llvm-svn: 21347
 2005-04-19 04:51:30 +00:00
Chris Lattner
6a2abe8591 Convert XO XS and XFX forms to use isPPC64 
llvm-svn: 21346
 2005-04-19 04:40:07 +00:00
Chris Lattner
3cfa7a24cb Turn PPC64 and VMX into classes that can be added to instructions instead of 
bits that must be passed up the inheritance hierarchy.  Convert MForm and AForm
instructions over

llvm-svn: 21345
 2005-04-19 04:32:54 +00:00
Chris Lattner
c2f7fcfbba Major change to tblgen: instead of resolving values every time a class is 
finished up, only resolve fully when the def is defined.  This allows things
to be changed and all uses to be propagated through.  This implements
TableGen/LazyChange.td and fixes TemplateArgRename.td in the process.

None of the .td files used in LLVM backends are changed at all by this
patch.

llvm-svn: 21344
 2005-04-19 03:36:21 +00:00
Chris Lattner
e4dc77290e New testcase for a changing values late and allowing them to propagate 
llvm-svn: 21343
 2005-04-19 03:34:58 +00:00
Chris Lattner
37f0a0aee9 Make this significantly harder 
llvm-svn: 21342
 2005-04-19 02:58:57 +00:00
Chris Lattner
c0018fd1a6 Add a real run line 
llvm-svn: 21341
 2005-04-19 02:53:26 +00:00
Chris Lattner
da71ec860a fix this testcase 
llvm-svn: 21340
 2005-04-19 02:52:04 +00:00
Chris Lattner
a0b4113f5d new testcase 
llvm-svn: 21339
 2005-04-19 02:26:23 +00:00
Chris Lattner
4c275cc054 add a run line 
llvm-svn: 21338
 2005-04-19 01:37:24 +00:00
Chris Lattner
19627580e5 Tell dj to run the tests in this directory 
llvm-svn: 21337
 2005-04-19 01:36:41 +00:00
Chris Lattner
57b0bbfcbd implementing shifting of literal integers 
llvm-svn: 21336
 2005-04-19 01:17:35 +00:00
Chris Lattner
414d27b765 Add initial lexer and parser support for shifting values. Every use of this 
will lead to it being rejected though.

llvm-svn: 21335
 2005-04-19 01:11:03 +00:00
Nate Begeman
3b1c0df702 Next round of PPC CR optimizations. For the following code: 
int %bar(float %a, float %b, float %c, float %d) {
entry:
    %tmp.1 = setlt float %a, %d
    %tmp.2 = setlt float %b, %d
    %or = or bool %tmp.1, %tmp.2
    %tmp.3 = setgt float %c, %d
    %tmp.4 = or bool %or, %tmp.3
    %tmp.5 = and bool %tmp.4, true
    %retval = cast bool %tmp.5 to int
    ret int %retval
}

We now emit:

_bar:
.LBB_bar_0:     ; entry
        fcmpu cr0, f1, f4
        fcmpu cr1, f2, f4
        cror 0, 0, 4
        fcmpu cr1, f3, f4
        cror 28, 0, 5
        mfcr r2
        rlwinm r3, r2, 29, 31, 31
        blr

Instead of:

_bar:
.LBB_bar_0:     ; entry
        fcmpu cr7, f1, f4
        mfcr r2
        rlwinm r2, r2, 29, 31, 31
        fcmpu cr7, f2, f4
        mfcr r3
        rlwinm r3, r3, 29, 31, 31
        or r2, r2, r3
        fcmpu cr7, f3, f4
        mfcr r3
        rlwinm r3, r3, 30, 31, 31
        or r3, r2, r3
        blr

llvm-svn: 21321
 2005-04-18 07:48:09 +00:00
Chris Lattner
4d9c1d06da silence a bogus warning 
llvm-svn: 21320
 2005-04-18 05:26:21 +00:00
Chris Lattner
188ecaab1d Fold setcc of MVT::i1 operands into logical operations 
llvm-svn: 21319
 2005-04-18 04:48:12 +00:00
Chris Lattner
72aca1b758 Another minor simplification: handle setcc (zero_extend x), c -> setcc(x, c') 
llvm-svn: 21318
 2005-04-18 04:30:45 +00:00
Chris Lattner
e6117e5d4f Another simple xform 
llvm-svn: 21317
 2005-04-18 04:11:19 +00:00
Chris Lattner
f6f5b23a00 Fold: 
// (X != 0) | (Y != 0) -> (X|Y != 0)
        // (X == 0) & (Y == 0) -> (X|Y == 0)

Compiling this:

int %bar(int %a, int %b) {
        entry:
        %tmp.1 = setne int %a, 0
        %tmp.2 = setne int %b, 0
        %tmp.3 = or bool %tmp.1, %tmp.2
        %retval = cast bool %tmp.3 to int
        ret int %retval
        }

to this:

_bar:
        or r2, r3, r4
        addic r3, r2, -1
        subfe r3, r3, r2
        blr

instead of:

_bar:
        addic r2, r3, -1
        subfe r2, r2, r3
        addic r3, r4, -1
        subfe r3, r3, r4
        or r3, r2, r3
        blr

llvm-svn: 21316
 2005-04-18 03:59:53 +00:00
Chris Lattner
a32c50520c Make the AND elimination operation recursive and significantly more powerful, 
eliminating an and for Nate's testcase:

int %bar(int %a, int %b) {
        entry:
        %tmp.1 = setne int %a, 0
        %tmp.2 = setne int %b, 0
        %tmp.3 = or bool %tmp.1, %tmp.2
        %retval = cast bool %tmp.3 to int
        ret int %retval
        }

generating:

_bar:
        addic r2, r3, -1
        subfe r2, r2, r3
        addic r3, r4, -1
        subfe r3, r3, r4
        or r3, r2, r3
        blr

instead of:

_bar:
        addic r2, r3, -1
        subfe r2, r2, r3
        addic r3, r4, -1
        subfe r3, r3, r4
        or r2, r2, r3
        rlwinm r3, r2, 0, 31, 31
        blr

llvm-svn: 21315
 2005-04-18 03:48:41 +00:00
Nate Begeman
85cd65b389 Change codegen for setcc to read the bit directly out of the condition 
register.  Added support in the .td file for the g5-specific variant
  of cr -> gpr moves that executes faster, but we currently don't
  generate it.

llvm-svn: 21314
 2005-04-18 02:43:24 +00:00
Chris Lattner
25a77fc58f Add support for targets that require stubs for external functions. 
llvm-svn: 21313
 2005-04-18 01:44:27 +00:00
Chris Lattner
a1fd64a073 Handle ExternalSymbol operands in the PPC JIT 
llvm-svn: 21312
 2005-04-18 00:46:10 +00:00
Nate Begeman
e82d5edfee Update dejagnu tests to use the new pattern isel flag 
llvm-svn: 21311
 2005-04-16 04:25:48 +00:00
Jeff Cohen
80e7b74819 Add CondPropagate.cpp to VC++ Transforms project 
llvm-svn: 21310
 2005-04-16 02:51:44 +00:00
Nate Begeman
ecb5b5c028 Make pattern isel default for ppc 
Add new ppc beta option related to using condition registers
Make pattern isel control flag (-enable-pattern-isel) global and tristate
  0 == off
  1 == on
  2 == target default

llvm-svn: 21309
 2005-04-15 22:12:16 +00:00
Chris Lattner
8456833fa8 new pass 
llvm-svn: 21307
 2005-04-15 21:13:16 +00:00
Chris Lattner
a117cf4215 a new simple pass, which will be extended to be more useful in the future. 
This pass forward branches through conditions when it can show that the
conditions is either always true or false for a predecessor.  This currently
only handles the most simple cases of this, but is successful at threading
across 2489 branches and 65 switch instructions in 176.gcc, which isn't bad.

llvm-svn: 21306
 2005-04-15 19:28:32 +00:00