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Author SHA1 Message Date
Reid Spencer
13c40bc806 When linking, make sure the project libraries are linked before the LLVM 
libraries. This ensures that the project's libraries (which most likely
depend on LLVM libraries) come first on the command line and can thus be
resolved by the LLVM libraries that appear later.

llvm-svn: 28316
 2006-05-16 06:25:14 +00:00
Chris Lattner
fdd62b9073 Move function-live-in-handling code from the sdisel code to the scheduler. 
This code should be emitted after legalize, so it can't be in sdisel.

Note that the EmitFunctionEntryCode hook should be updated to operate on the
DAG.  The X86 backend is the only one currently using this hook.

llvm-svn: 28315
 2006-05-16 06:10:58 +00:00
Chris Lattner
fa068a16e1 Print the vreg that livein physregs are live in 
llvm-svn: 28314
 2006-05-16 05:55:30 +00:00
Chris Lattner
b79e3f7155 Legalize FORMAL_ARGUMENTS nodes correctly, we don't want to legalize them once 
for each argument.

llvm-svn: 28313
 2006-05-16 05:49:56 +00:00
Vladimir Prus
cdc7aab880 Add my homepage, as a test that commit access works 
llvm-svn: 28312
 2006-05-16 05:36:15 +00:00
Chris Lattner
199f3f6af8 Fit in 80 cols 
llvm-svn: 28311
 2006-05-16 04:20:24 +00:00
Rafael Espindola
c928207091 add an abort after every assert(0) 
llvm-svn: 28310
 2006-05-15 22:34:39 +00:00
Reid Spencer
243aaabbe7 For PR777: 
Add an additional catch block to ensure that this function can't throw any
exceptions, even one's we're not expecting.

llvm-svn: 28309
 2006-05-15 22:12:42 +00:00
Reid Spencer
7ef5ed5021 Upgrade in preparation for doxygen 1.4.4. The config file format changed, 
there are new/different css styles to support, and the footer was woefully
out of date.

llvm-svn: 28308
 2006-05-15 21:36:13 +00:00
Chris Lattner
676c3dfd68 Improve comment, patch provided by Vladimir Prus! 
llvm-svn: 28307
 2006-05-15 18:35:02 +00:00
Chris Lattner
a093e85b00 Update dox, patch by Vladimir Prus! 
llvm-svn: 28306
 2006-05-15 17:26:46 +00:00
Chris Lattner
de8ef53351 Improve comments, patch provided by Vladimir Prus! 
llvm-svn: 28305
 2006-05-15 17:25:05 +00:00
Reid Spencer
f74d63a4ba Doxygenify the comments, bringing the file level comments down to be attached 
with the class that it documents. Patch suggested by Vladimir Prus.

llvm-svn: 28304
 2006-05-15 16:12:01 +00:00
Chris Lattner
901e7ad557 Remove some dead code, identified by coverity. 
llvm-svn: 28303
 2006-05-15 05:48:32 +00:00
Owen Anderson
318addc009 Add myself to the credits. 
llvm-svn: 28302
 2006-05-15 05:13:07 +00:00
Rafael Espindola
dd49dfc0df added a skeleton of the ARM backend 
llvm-svn: 28301
 2006-05-14 22:18:28 +00:00
Rafael Espindola
af69110cb7 added myself to CREDITS.TXT 
llvm-svn: 28300
 2006-05-14 20:29:25 +00:00
Chris Lattner
017b3a4335 Free memory allocated by copy_env. 
llvm-svn: 28299
 2006-05-14 19:17:28 +00:00
Chris Lattner
084de55c60 print a nice error if bugpoint gets an error reading inputs. Bug identified 
by coverity.

llvm-svn: 28298
 2006-05-14 19:15:56 +00:00
Chris Lattner
aa818c1cad Fix a bug found by inspection. 
llvm-svn: 28297
 2006-05-14 19:11:40 +00:00
Chris Lattner
a1577bfac0 improve comment. 
llvm-svn: 28296
 2006-05-14 19:10:22 +00:00
Chris Lattner
e09437b26e Catch a potentially thrown exception. 
llvm-svn: 28295
 2006-05-14 19:08:39 +00:00
Chris Lattner
96c4ae0fa3 Improve documentation on throwing, it is not complete still though. :( 
llvm-svn: 28294
 2006-05-14 19:07:07 +00:00
Chris Lattner
05311325f1 LoadLibraryPermanently can theoretically throw an exception. Do not propagate 
it out of 'ExecutionEngine::create'.  This fixes a problem reported by coverity.

llvm-svn: 28293
 2006-05-14 19:01:55 +00:00
Chris Lattner
d639e0fbce Bug noticed, by inspection. Filename can be null. 
llvm-svn: 28292
 2006-05-14 19:00:53 +00:00
Chris Lattner
64f0fddc23 This function is not documented as throwing an exception and callers don't 
handle it.  Just silently fail.

llvm-svn: 28291
 2006-05-14 18:53:09 +00:00
Chris Lattner
872e3ecaa1 inverted logic, caught by coverity 
llvm-svn: 28290
 2006-05-14 18:46:52 +00:00
Chris Lattner
5aa7f78065 remove some dead code identified by coverity 
llvm-svn: 28289
 2006-05-14 18:45:44 +00:00
Chris Lattner
cf71b13e15 Delete memory allocated by CopyEnv 
llvm-svn: 28288
 2006-05-14 18:38:13 +00:00
Chris Lattner
703a8cf960 remove dead var 
llvm-svn: 28287
 2006-05-14 18:34:36 +00:00
Chris Lattner
4ad747c469 remove dead variables 
llvm-svn: 28286
 2006-05-14 18:33:57 +00:00
Chris Lattner
fa70e32490 Change token to match asmprinter output 
llvm-svn: 28285
 2006-05-14 18:23:06 +00:00
Evan Cheng
111642322d Backing out last check-in for now. It's causing an infinite loop gccas lencode. 
llvm-svn: 28284
 2006-05-14 06:46:03 +00:00
Chris Lattner
3fe38bf77b Update comment. 
llvm-svn: 28283
 2006-05-14 02:05:19 +00:00
Chris Lattner
2070effca0 This is a proper fix for the compiler warning. A termination condition is 
not needed, as it can never be reached: an edge must exist.

llvm-svn: 28282
 2006-05-14 02:01:22 +00:00
Reid Spencer
e343483440 Fix an infinite loop bug that Vladimir Prus identified. 
llvm-svn: 28281
 2006-05-13 18:11:32 +00:00
Reid Spencer
0be60af352 Add a #include <cassert> for situations where Casting.h is used standalone. 
Patch contributed by Vladimir Prus.

llvm-svn: 28280
 2006-05-13 17:50:38 +00:00
Evan Cheng
489f9bd68f Fixing 2006-05-01-SchedCausingSpills.ll; some clean up 
llvm-svn: 28279
 2006-05-13 08:22:24 +00:00
Evan Cheng
7bb257e178 Revert an un-intended change 
llvm-svn: 28278
 2006-05-13 05:53:47 +00:00
Reid Spencer
fa5fca78ee Don't try to reference uninitialized data. Make sure we can find "nm". 
llvm-svn: 28277
 2006-05-13 02:48:45 +00:00
Reid Spencer
9277db58e9 For PR741: 
Update documentation to reflect current LLVM reality:
  + LLVMAlpha.o, LLVMIA64.o
  - Skeleton, execve, ProfilePaths
Also, regenerate the library dependency information.

llvm-svn: 28276
 2006-05-13 02:22:01 +00:00
Chris Lattner
c927dced9e Add/Sub/Mul are safe to promote here as well. Incrementing a single-bit 
bitfield now gives this code:

_plus:
        lwz r2, 0(r3)
        rlwimi r2, r2, 0, 1, 31
        xoris r2, r2, 32768
        stw r2, 0(r3)
        blr

instead of this:

_plus:
        lwz r2, 0(r3)
        srwi r4, r2, 31
        slwi r4, r4, 31
        addis r4, r4, -32768
        rlwimi r2, r4, 0, 0, 0
        stw r2, 0(r3)
        blr

this can obviously still be improved.

llvm-svn: 28275
 2006-05-13 02:16:08 +00:00
Chris Lattner
c439f96b2c Merge identical code. 
llvm-svn: 28274
 2006-05-13 02:11:14 +00:00
Chris Lattner
eea864472d Implement simple promotion for cast elimination in instcombine. This is 
currently very limited, but can be extended in the future.  For example,
we now compile:

uint %test30(uint %c1) {
        %c2 = cast uint %c1 to ubyte
        %c3 = xor ubyte %c2, 1
        %c4 = cast ubyte %c3 to uint
        ret uint %c4
}

to:

_xor:
        movzbl 4(%esp), %eax
        xorl $1, %eax
        ret

instead of:

_xor:
        movb $1, %al
        xorb 4(%esp), %al
        movzbl %al, %eax
        ret

More impressively, we now compile:

struct B { unsigned bit : 1; };
void xor(struct B *b) { b->bit = b->bit ^ 1; }

To (X86/PPC):

_xor:
        movl 4(%esp), %eax
        xorl $-2147483648, (%eax)
        ret
_xor:
        lwz r2, 0(r3)
        xoris r2, r2, 32768
        stw r2, 0(r3)
        blr

instead of (X86/PPC):

_xor:
        movl 4(%esp), %eax
        movl (%eax), %ecx
        movl %ecx, %edx
        shrl $31, %edx
        # TRUNCATE movb %dl, %dl
        xorb $1, %dl
        movzbl %dl, %edx
        andl $2147483647, %ecx
        shll $31, %edx
        orl %ecx, %edx
        movl %edx, (%eax)
        ret

_xor:
        lwz r2, 0(r3)
        srwi r4, r2, 31
        xori r4, r4, 1
        rlwimi r2, r4, 31, 0, 0
        stw r2, 0(r3)
        blr

This implements InstCombine/cast.ll:test30.

llvm-svn: 28273
 2006-05-13 02:06:03 +00:00
Chris Lattner
5f2a11f1bf New testcase for instcombine 
llvm-svn: 28272
 2006-05-13 02:00:07 +00:00
Chris Lattner
4bbc1d8e95 Remove some dead variables. 
Fix a nasty bug in the memcmp optimizer where we used the wrong variable!

llvm-svn: 28269
 2006-05-12 23:35:26 +00:00
Chris Lattner
08efc01479 Remove dead stuff 
llvm-svn: 28268
 2006-05-12 23:32:01 +00:00
Chris Lattner
50371a3046 Fix build breakage :( 
llvm-svn: 28267
 2006-05-12 23:26:11 +00:00
Chris Lattner
dbbbabb17b More coverity fixes 
llvm-svn: 28266
 2006-05-12 21:14:20 +00:00
Chris Lattner
db8caed257 Dead variable 
llvm-svn: 28265
 2006-05-12 21:12:22 +00:00