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Author SHA1 Message Date
Misha Brukman
3f8f569837 Ignore generated HTML files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13577 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 20:26:34 +00:00
Misha Brukman
8d9d79d387 This is the stylesheet used by perldoc.com; we shall modify it as we see fit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13576 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 20:25:35 +00:00
Misha Brukman
9ff1a93f83 Put outputs of each type into a separate subdirectory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13575 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 20:24:59 +00:00
Brian Gaeke
e993d20630 More pods... work in progress 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13574 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 19:50:33 +00:00
Misha Brukman
3c687a0925 Use <pre> instead of <p><tt> combo to decrease space used for code blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13573 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 19:04:07 +00:00
Misha Brukman
1e4ae2b329 Mention the --tool-args option that Brian and Chris added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13572 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 18:57:24 +00:00
Misha Brukman
f0c71d434a Make link to HowToSubmitABug.html local instead of to LLVM website. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13571 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 18:54:04 +00:00
Brian Gaeke
bfd1ce35c0 NAME section is supposed to have a brief description, for apropos(1) & whatis(1) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13570 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 18:31:13 +00:00
Brian Gaeke
25ab104acb This seems like as good a place as any to keep POD files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13569 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 18:03:22 +00:00
Brian Gaeke
09015d9468 Don't keep track of references to LLVM BasicBlocks while emitting; use 
MachineBasicBlocks instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13568 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 06:54:58 +00:00
Brian Gaeke
3fb5d1a6cc Support MachineBasicBlock operands on RawFrm instructions. 
Get rid of separate numbering for LLVM BasicBlocks; use the automatically
generated MachineBasicBlock numbering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13567 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 06:54:57 +00:00
Brian Gaeke
9f088e481c Generate branch machine instructions with MachineBasicBlock operands instead of 
LLVM BasicBlock operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13566 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 06:54:56 +00:00
Chris Lattner
fa28bb4601 This was not meant to be committed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13565 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 20:56:34 +00:00
Chris Lattner
82fec4e31d Fix a nasty bug that caused us to unroll EXTREMELY large loops due to overflow 
in the size calculation.

This is not something you want to see:
Loop Unroll: F[main] Loop %no_exit Loop Size = 2 Trip Count = 2147483648 - UNROLLING!

The problem was that 2*2147483648 == 0.

Now we get:
Loop Unroll: F[main] Loop %no_exit Loop Size = 2 Trip Count = 2147483648 - TOO LARGE: 4294967296>100

Thanks to some anonymous person playing with the demo page that repeatedly
caused zion to go into swapping land.  That's one way to ensure you'll get
a quick bugfix.  :)

Testcase here: Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13564 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 20:43:31 +00:00
Chris Lattner
488b72bd7f New testcase that used to cause the unroller to try to unroll the loop 2G times. :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13563 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 20:43:15 +00:00
Misha Brukman
d1fbc8af48 Specify units in padding length. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13560 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 16:37:52 +00:00
Misha Brukman
5538d83c45 Make page HTML-4.01 compliant (& => &amp; in URL). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13559 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 16:37:23 +00:00
Chris Lattner
b7cb9ffd34 Two more improvements for null pointer handling: storing a null pointer 
and passing a null pointer into a function.

For this testcase:

void %test(int** %X) {
  store int* null, int** %X
  call void %test(int** null)
  ret void
}

we now generate this:

test:
        sub %ESP, 12
        mov %EAX, DWORD PTR [%ESP + 16]
        mov DWORD PTR [%EAX], 0
        mov DWORD PTR [%ESP], 0
        call test
        add %ESP, 12
        ret

instead of this:

test:
        sub %ESP, 12
        mov %EAX, DWORD PTR [%ESP + 16]
        mov %ECX, 0
        mov DWORD PTR [%EAX], %ECX
        mov %EAX, 0
        mov DWORD PTR [%ESP], %EAX
        call test
        add %ESP, 12
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13558 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 15:26:48 +00:00
Chris Lattner
9f1b531090 Second half of my fixed-sized-alloca patch. This folds the LEA to compute 
the alloca address into common operations like loads/stores.

In a simple testcase like this (which is just designed to excersize the
alloca A, nothing more):

int %test(int %X, bool %C) {
        %A = alloca int
        store int %X, int* %A
        store int* %A, int** %G
        br bool %C, label %T, label %F
T:
        call int %test(int 1, bool false)
        %V = load int* %A
        ret int %V
F:
        call int %test(int 123, bool true)
        %V2 = load int* %A
        ret int %V2
}

We now generate:

test:
        sub %ESP, 12
        mov %EAX, DWORD PTR [%ESP + 16]
        mov %CL, BYTE PTR [%ESP + 20]
***     mov DWORD PTR [%ESP + 8], %EAX
        mov %EAX, OFFSET G
        lea %EDX, DWORD PTR [%ESP + 8]
        mov DWORD PTR [%EAX], %EDX
        test %CL, %CL
        je .LBB2 # PC rel: F
.LBB1:  # T
        mov DWORD PTR [%ESP], 1
        mov DWORD PTR [%ESP + 4], 0
        call test
***     mov %EAX, DWORD PTR [%ESP + 8]
        add %ESP, 12
        ret
.LBB2:  # F
        mov DWORD PTR [%ESP], 123
        mov DWORD PTR [%ESP + 4], 1
        call test
***     mov %EAX, DWORD PTR [%ESP + 8]
        add %ESP, 12
        ret

Instead of:

test:
        sub %ESP, 20
        mov %EAX, DWORD PTR [%ESP + 24]
        mov %CL, BYTE PTR [%ESP + 28]
***     lea %EDX, DWORD PTR [%ESP + 16]
***     mov DWORD PTR [%EDX], %EAX
        mov %EAX, OFFSET G
        mov DWORD PTR [%EAX], %EDX
        test %CL, %CL
***     mov DWORD PTR [%ESP + 12], %EDX
        je .LBB2 # PC rel: F
.LBB1:  # T
        mov DWORD PTR [%ESP], 1
        mov %EAX, 0
        mov DWORD PTR [%ESP + 4], %EAX
        call test
***     mov %EAX, DWORD PTR [%ESP + 12]
***     mov %EAX, DWORD PTR [%EAX]
        add %ESP, 20
        ret
.LBB2:  # F
        mov DWORD PTR [%ESP], 123
        mov %EAX, 1
        mov DWORD PTR [%ESP + 4], %EAX
        call test
***     mov %EAX, DWORD PTR [%ESP + 12]
***     mov %EAX, DWORD PTR [%EAX]
        add %ESP, 20
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13557 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 15:12:43 +00:00
Chris Lattner
cb2fd557ee Substantially improve code generation for address exposed locals (aka fixed 
sized allocas in the entry block).  Instead of generating code like this:

entry:
  reg1024 = ESP+1234
... (much later)
  *reg1024 = 17


Generate code that looks like this:
entry:
  (no code generated)
... (much later)
  t = ESP+1234
  *t = 17

The advantage being that we DRAMATICALLY reduce the register pressure for these
silly temporaries (they were all being spilled to the stack, resulting in very
silly code).  This is actually a manual implementation of rematerialization :)

I have a patch to fold the alloca address computation into loads & stores, which
will make this much better still, but just getting this right took way too much time
and I'm sleepy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13554 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 07:40:27 +00:00
Reid Spencer
0428962064 Reduce line length to about 80 chars. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13538 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 03:40:27 +00:00
Misha Brukman
fd90f88b58 Insert spacing between the table and the next section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13523 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 00:37:23 +00:00
Misha Brukman
f39d5d687d * Use stylesheets for table borders so we factor out the formatting and can 
adjust it much easier. Also changed border to gray to fit into the current
  color scheme.
* Convert < and > to &lt; and &gt;, respectively.
* Wrap long lines at 80 cols


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13522 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-13 00:24:43 +00:00
Brian Gaeke
da86bdc75c Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13518 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:57:23 +00:00
Chris Lattner
bee887211b Fix a really nasty bug from my changes on Monday to PHIElim. These changes 
broke obsequi and a lot of other things.  It all boiled down to MBB being
overloaded in an inner scope and me confusing it with the one in the outer
scope.  Ugh!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13517 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:47:57 +00:00
Misha Brukman
6df9e2ca70 Break lines at 80 cols; eliminate extra space caused by a single <p> tag on a 
line by itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13516 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:46:05 +00:00
Brian Gaeke
d657c42dce Start NextMBBNumber out at zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13515 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:35:23 +00:00
Brian Gaeke
0bcb1ad7be Add non-const MachineBasicBlock::getParent() accessor method. 
MBBs start out as #-1. When a MBB is added to a MachineFunction, it
gets the next available unique MBB number. If it is removed from a
MachineFunction, it goes back to being #-1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13514 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:35:22 +00:00
Brian Gaeke
f460f1679e Add a NextMBBNumber field w/ incrementing accessor method, for 
function-level unique numbering of MBBs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13513 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:35:21 +00:00
Brian Gaeke
c07d8d8a26 Add a Number field w/ accessor method, for function-level unique numbering 
of MBBs.

Add non-const MachineBasicBlock::getParent() accessor method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13512 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:35:20 +00:00
Chris Lattner
5f4d473d89 Make the subsubsections stand out a bit more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13511 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:28:08 +00:00
Misha Brukman
54dfb2a826 These images have been moved to img/ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13510 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:26:39 +00:00
Misha Brukman
e849a1ae2d Use the images in the img/ directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13509 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:26:16 +00:00
Misha Brukman
b9e41eb483 Finally, switch to a stylesheet that makes the documentation easier on the eyes 
and consistent with the LLVM website.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13508 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:20:56 +00:00
Misha Brukman
db8d5b256a Centralize images in this dir; add lines.gif from website for consistent 
formatting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13507 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 21:20:13 +00:00
Misha Brukman
f6a0407ee5 Make file use stylesheets and be HTML-4.01 (Strict)-compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13506 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 20:57:43 +00:00
Misha Brukman
3669299acd Made document HTML-4.01 (Strict)-compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13505 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 19:52:00 +00:00
Misha Brukman
b9be2bf270 Make file standard-compliant once again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13504 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 19:25:59 +00:00
Misha Brukman
828737355a Made file comply with HTML-4.01 (Strict) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13503 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 19:21:57 +00:00
Chris Lattner
7507c297d0 Turn the block extractor on by default now that it basically works, eliminating the option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13502 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 19:02:44 +00:00
Misha Brukman
836db50c33 Made file HTML-4.01 (Strict)-compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13501 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:57:54 +00:00
Misha Brukman
6a2b310ce2 Made to be HTML-4.01 (Strict)-compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13500 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:49:47 +00:00
Misha Brukman
c53aefb5ac Made to be HTML-4.01 (Strict) -compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13499 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:42:35 +00:00
Misha Brukman
6c16c4bfd2 Add proper footer since this file is HTML-4.01 compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13498 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:37:22 +00:00
Misha Brukman
85234aca74 Make document HTML-4.01 (Strict) compliant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13497 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:31:21 +00:00
Misha Brukman
f6acb51bf3 Fix grammar: remove `the' before LLVM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13496 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:02:00 +00:00
Misha Brukman
b69715e707 * Make the document format follow the stringent purple standards (like the rest 
of the documentation)
* Do not make the link text be the link itself, use some keywords
* Make doc use stylesheets and HTML markup for lists instead of definitions
* Shorten page by not making multiple lines per link with description + link of
  the same name as the target


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13495 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 18:00:48 +00:00
Chris Lattner
2b10b08ad6 Pass boolean constants into function calls more efficiently, generating: 
mov DWORD PTR [%ESP + 4], 1

instead of:

        mov %EAX, 1
        mov DWORD PTR [%ESP + 4], %EAX


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13494 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 16:35:04 +00:00
Chris Lattner
587992721c Do not pass in the same argument to the extracted function more than once, and 
give the extracted function a more useful name than just foo_code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13493 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 16:26:18 +00:00
Chris Lattner
68bee938e5 Check to see if all blocks are extractible first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13491 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 16:08:01 +00:00