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Author SHA1 Message Date
Brian Gaeke
c58a7f4b3c Add CloneTraceInto(), which is based on (and has mostly the same 
effects as) CloneFunctionInto().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13601 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-19 09:08:14 +00:00
Brian Gaeke
6129af3fb1 Move RemapInstruction() to ValueMapper, so that it can be shared with 
CloneTrace, and because it is primarily an operation on ValueMaps.  It
is now a global (non-static) function which can be pulled in using
ValueMapper.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13600 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-19 09:08:12 +00:00
Misha Brukman
a4c6c522ee Minor aesthetic alignments; no functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13593 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-17 22:28:21 +00:00
Misha Brukman
f40ae3cc9d * Minor aesthetic alignment of iterator declarations 
* Removed redundant function comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13592 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-17 22:25:12 +00:00
Brian Gaeke
71d3a87ec1 Define erase forwarding method on traces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13591 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-17 21:17:21 +00:00
Brian Gaeke
2fea9ade55 Fold two assertions with backwards error messages into one with a 
correct error message.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13590 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-17 21:15:18 +00:00
Brian Gaeke
cc9620ca29 Clean up this pass somewhat: 
Add better comments, including a better head-of-file comment.
Prune #includes.
Fix a FIXME that Chris put here by using doInitialization().
Use DEBUG() to print out debug msgs.
Give names to basic blocks inserted by this pass.
Expand tabs.
Use InsertProfilingInitCall() from ProfilingUtils to insert the initialize call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13581 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 21:21:52 +00:00
Misha Brukman
93763c3e7d Rename "User's Guide" to "Command Guide" to be consistent with current scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13580 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 20:29:11 +00:00
Misha Brukman
5a256b4ca9 Ignore generated ps files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13579 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 20:26:45 +00:00
Misha Brukman
43c8e40ba2 Ignore generated man files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13578 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-14 20:26:39 +00:00
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