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Author SHA1 Message Date
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
John Criswell
e3ff9d83cf Bug fixed. 
llvm-svn: 13392
 2004-05-06 22:23:24 +00:00
John Criswell
ec6d378d21 Don't call getForwardedType() twice, as recommended by Chris. 
llvm-svn: 13391
 2004-05-06 22:15:47 +00:00
Chris Lattner
d055a56886 Use the new commandline flag to allow us to call bugpoint like this: 
bugpoint ... --tool-args -enable-correct-eh-support -regalloc=linearscan --args -- -foo

So that tool-args option gets the -enable-correct-eh-support -regalloc=linearscan flags instead of bugpoint.

llvm-svn: 13389
 2004-05-06 22:05:35 +00:00
Chris Lattner
88706ea172 Implement the new cl::PositionalEatsArgs flag, refactor code a bit 
llvm-svn: 13388
 2004-05-06 22:04:31 +00:00
Chris Lattner
83bd016ffd Add a new cl::PositionalEatsArgs flag 
llvm-svn: 13387
 2004-05-06 22:03:59 +00:00
John Criswell
2d7c5ae892 Fix for PR#330. 
When looking at getelementptr instructions, make sure to use a forwarded
type.  We want to do this because a DerivedType may drop its uses and then
refine its users, who may then use another user who hasn't been refined yet.
By getting the forwarded type, we always ensure that we're looking at a
Type that isn't in a halfway refined state.

Now, I should be able to put this stuff in PATypeHandle, but it doesn't work
for some reason.  This should do for now.

llvm-svn: 13386
 2004-05-06 21:18:08 +00:00
Chris Lattner
f1cb30f481 Remove a really old comment 
llvm-svn: 13385
 2004-05-06 19:29:58 +00:00
Reid Spencer
ddd4f21d34 Just testing the "Reid has CVS commit access" system 
llvm-svn: 13384
 2004-05-06 18:06:18 +00:00
Misha Brukman
8876e2fe5b Give props to Vladimir Prus for the inst_iterator patch. 
llvm-svn: 13383
 2004-05-06 16:53:18 +00:00
Chris Lattner
5f18bec9e6 numeric_limits::infinity() apparently does not work on all systems. As a 
workaround, use the C HUGE_VAL macro instead.

llvm-svn: 13377
 2004-05-06 16:25:59 +00:00
Alkis Evlogimenos
6345ab33dd Fix for gcc3.4: invalid use of forward delacred class on line 93 
llvm-svn: 13370
 2004-05-06 02:07:42 +00:00
Brian Gaeke
dfe0d9af07 Move the stuff that fixes the size, orientation & fonts of graphs to 
the debugging functions that call "dot". These fixed settings have
various problems: for example, the fixed size that is set in the graph
traits classes is not appropriate for turning the dot file into a PNG,
and if TrueType font rendering is being used, the 'Courier' TrueType font
may not be installed. It seems easy enough to specify these things on the
command line, anyhow.

llvm-svn: 13366
 2004-05-05 06:10:06 +00:00
Brian Gaeke
2165451812 Apply simplification suggested by Chris: why assign() when operator = will do? 
llvm-svn: 13364
 2004-05-04 22:02:41 +00:00
John Criswell
b51e979c2c Fixed inconsistent indentation. 
llvm-svn: 13363
 2004-05-04 21:46:05 +00:00
Brian Gaeke
c9ca9d6625 Missing piece of fix for Bug 333 
llvm-svn: 13362
 2004-05-04 21:41:45 +00:00
Brian Gaeke
5485e6fa0a Bugs fixed 
llvm-svn: 13360
 2004-05-04 21:22:57 +00:00
Brian Gaeke
439e61cc1f update command guide to have --tool-args 
llvm-svn: 13359
 2004-05-04 21:13:35 +00:00
Brian Gaeke
433b49b796 Add --tool-args flag which lets you pass arguments to llc or lli. 
This is intended to address Bug 40.

llvm-svn: 13358
 2004-05-04 21:09:16 +00:00
Brian Gaeke
28d81c4d0d Correctly mangle function names when they are used as part of a 
constant pool member's name.
This is intended to address Bug 333.

Also, fix an anachronistic usage of "M" as a parameter of type Function *.

llvm-svn: 13357
 2004-05-04 21:09:02 +00:00
Brian Gaeke
ba26360c7e Add "Args" optional argument to AbstractInterpreter factory methods, which 
fills in a ToolArgs vector in the AbstractInterpreter if it is set. This
ToolArgs vector is used to pass additional arguments to LLI and/or LLC.
This is intended to address Bug 40.

Also, make -debug-only=toolrunner work for the LLC and CBE
AbstractInterpreters.

llvm-svn: 13356
 2004-05-04 21:09:01 +00:00
Chris Lattner
42e602b94f Remove unneeded check 
llvm-svn: 13355
 2004-05-04 19:35:11 +00:00
Chris Lattner
dac54ebbee Improve signed division by power of 2 *dramatically* from this: 
div:
        mov %EDX, DWORD PTR [%ESP + 4]
        mov %ECX, 64
        mov %EAX, %EDX
        sar %EDX, 31
        idiv %ECX
        ret

to this:

div:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %ECX, %EAX
        sar %ECX, 5
        shr %ECX, 26
        mov %EDX, %EAX
        add %EDX, %ECX
        sar %EAX, 6
        ret

Note that the intel compiler is currently making this:

div:
        movl      4(%esp), %edx                                 #3.5
        movl      %edx, %eax                                    #4.14
        sarl      $5, %eax                                      #4.14
        shrl      $26, %eax                                     #4.14
        addl      %edx, %eax                                    #4.14
        sarl      $6, %eax                                      #4.14
        ret                                                     #4.14

Which has one less register->register copy.  (hint hint alkis :)

llvm-svn: 13354
 2004-05-04 19:33:58 +00:00
Misha Brukman
4d6a3d4e1e Provide visit(Module&) and visitModule(Module&) functionality. 
llvm-svn: 13353
 2004-05-04 18:30:38 +00:00
Brian Gaeke
f3b62c562e Add stub support for reading BBTraces. 
llvm-svn: 13352
 2004-05-04 17:11:14 +00:00
Brian Gaeke
e9fab81769 Add BBTrace accessor method and data member. 
llvm-svn: 13351
 2004-05-04 17:11:13 +00:00
Chris Lattner
6adc20db80 Bug fixed 
llvm-svn: 13350
 2004-05-04 17:04:09 +00:00
Chris Lattner
05f657f5c2 Do not mark instructions in unreachable sections of the function as live. 
This fixes PR332 and ADCE/2004-05-04-UnreachableBlock.llx

llvm-svn: 13349
 2004-05-04 17:00:46 +00:00
Chris Lattner
fb38755cdd New testcase for PR332 
llvm-svn: 13348
 2004-05-04 17:00:10 +00:00
Brian Gaeke
c9d203e3d2 New header file containing profile info enums shared between the C++ analysis 
libraries and the C runtime support library

llvm-svn: 13347
 2004-05-04 16:57:57 +00:00
Brian Gaeke
ae8607e56a Share ProfilingType enum with the C profiling runtime libraries. 
llvm-svn: 13346
 2004-05-04 16:53:07 +00:00
Brian Gaeke
c30f79d8f4 Share the profile info type enum with the C++ analysis libraries. 
Add a documentation comment for write_profiling_data().

llvm-svn: 13345
 2004-05-04 16:51:48 +00:00
Brian Gaeke
2690f648c6 Constants for profile info type changed names to match the C++ ones. 
llvm-svn: 13344
 2004-05-04 16:51:47 +00:00
Brian Gaeke
b2d9d71730 Constants for profile info type changed names to match the C++ ones. 
Edited comments.

llvm-svn: 13343
 2004-05-04 16:51:46 +00:00
Chris Lattner
cb9a614ea4 Improve code generated for integer multiplications by 2,3,5,9 
llvm-svn: 13342
 2004-05-04 15:47:14 +00:00
Chris Lattner
7896144611 Minor efficiency tweak, suggested by Patrick Meredith 
llvm-svn: 13341
 2004-05-04 15:19:33 +00:00
Brian Gaeke
a5b32230db Fix typo 
llvm-svn: 13340
 2004-05-03 23:52:07 +00:00
Brian Gaeke
6b569a35ba Add initial implementation of basic block tracing runtime 
llvm-svn: 13339
 2004-05-03 23:51:50 +00:00
Brian Gaeke
581652e2e1 Add basic block tracing functions as exported symbols. 
llvm-svn: 13338
 2004-05-03 23:49:17 +00:00
Brian Gaeke
0f806b8509 Add basic block tracing information as a type of "profiling" information. 
llvm-svn: 13337
 2004-05-03 23:49:16 +00:00