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Author SHA1 Message Date
Andrew Lenharth
2b3b89c28e one cannot allocate a global, until one is done initializing the global pointers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22568 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 17:35:40 +00:00
Chris Lattner
88aad145a5 temporarily fail these two tests until LSR evolves to support them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22567 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 17:10:50 +00:00
Chris Lattner
9cc5f42feb ConstantInt::get only works for arguments < 128. 
SimplifyLibCalls probably has to be audited to make sure it does not make
this mistake elsewhere.  Also, if this code knows that the type will be
unsigned, obviously one arm of this is dead.

Reid, can you take a look into this further?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22566 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 16:52:50 +00:00
Jeff Cohen
d29b6aa608 Keep tabs and trailing spaces out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22565 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 18:33:25 +00:00
Jeff Cohen
cfb1d4235f Fix VC++ build problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22564 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 18:22:27 +00:00
Chris Lattner
f20d183c22 fix float->long conversions on x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22563 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 01:40:57 +00:00
Chris Lattner
c3f9dc198d this tests every fp-to-integer conversion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22562 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 01:33:38 +00:00
Chris Lattner
a88da08c6e fix a typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22561 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:43:00 +00:00
Nate Begeman
f84d5ab5df Ack, typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22560 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:21:31 +00:00
Chris Lattner
a35e1dfd12 Change the fp to integer code to not perform 2-byte stores followed by 
1 byte loads and other operations.  This is bad for store-forwarding on
common CPUs.  We now do this:

fnstcw WORD PTR [%ESP]
mov %AX, WORD PTR [%ESP]

instead of:

fnstcw WORD PTR [%ESP]
mov %AL, BYTE PTR [%ESP + 1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22559 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:17:52 +00:00
Nate Begeman
1699748567 Commit a new LoopStrengthReduce pass that can use scalar evolutions and 
target data to decide which loop induction variables to strength reduce
and how to do so.  This work is mostly by Chris Lattner, with tweaks by
me to get it working on some of MultiSource.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22558 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:15:07 +00:00
Nate Begeman
36f891bdf6 Break SCEVExpander out of IndVarSimplify into its own .h/.cpp file so that 
other passes may use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22557 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:12:19 +00:00
Chris Lattner
01546c5d50 Use a custom expander for all FP to int conversions, as the X86 only has 
FP-to-int-in-memory: this exposes the load from the stored slot to the
selection dag, allowing it to be folded into other operaions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22556 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:05:54 +00:00
Chris Lattner
f1fa74ee0d Allow targets to have custom expanders for FP_TO_*INT conversions where 
both the src and dest values are legal


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22555 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:04:12 +00:00
Andrew Lenharth
a00269bc3e support near allocations for the JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22554 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 23:40:16 +00:00
Andrew Lenharth
422f3d58a8 turn off GOT on archs that didn't use it (not that it appeard to harm them much with it on) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22553 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 23:32:02 +00:00
Chris Lattner
5d06b8caae Implement a FIXME: move a bunch of cruft for handling FP_TO_*INT operations 
that the X86 does not support to the legalizer.  This allows it to be better
optimized, etc, and will help with SSE support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22551 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 01:00:29 +00:00
Chris Lattner
f7443dace5 Don't forget to diddle with the control word when performing an FISTP64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22550 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 00:54:34 +00:00
Chris Lattner
745d538119 Use a custom expander to compile this: 
long %test4(double %X) {
        %tmp.1 = cast double %X to long         ; <long> [#uses=1]
        ret long %tmp.1
}

to this:

_test4:
        sub %ESP, 12
        fld QWORD PTR [%ESP + 16]
        fistp QWORD PTR [%ESP]
        mov %EDX, DWORD PTR [%ESP + 4]
        mov %EAX, DWORD PTR [%ESP]
        add %ESP, 12
        ret

instead of this:

_test4:
        sub %ESP, 28
        fld QWORD PTR [%ESP + 32]
        fstp QWORD PTR [%ESP]
        call ___fixdfdi
        add %ESP, 28
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22549 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 00:40:01 +00:00
Chris Lattner
80a3e94653 Allow targets to define custom expanders for FP_TO_*INT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22548 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 00:33:32 +00:00
Chris Lattner
1618bebcf6 allow a target to request that unknown FP_TO_*INT conversion be promoted to 
a larger integer destination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22547 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 00:11:56 +00:00
Chris Lattner
fa9c801a6b instead of having all conversions be handled by one case value, and then have 
subcases inside, break things out earlier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22546 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 23:31:12 +00:00
Chris Lattner
70df32a138 New testcase for PR610 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22545 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 20:18:33 +00:00
Andrew Lenharth
98169be50b support bsr, and more .td simplification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22543 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 18:14:47 +00:00
Andrew Lenharth
fe660397e1 new is not a valid default anywhere, so make this pure virtual 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22542 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 18:13:59 +00:00
Reid Spencer
3be872ed59 Fix a problem in getDirectoryContents where sub-directory names were 
appended to a path string that didn't end in a slash, yielding invalid
path names.

Path contribute by Nicholas Riley.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22539 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 16:25:57 +00:00
Andrew Lenharth
a4433e1b31 get lazy JITing working. Some of shootout runs now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22538 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 12:45:20 +00:00
Andrew Lenharth
6a9746127a Like constants, globals on some platforms are GOT relative. This means they have to be allocated 
near the GOT, which new doesn't do.  So break out the allocate into a new function.

Also move GOT index handling into JITResolver.  This lets it update the mapping when a Lazy
function is JITed.  It doesn't managed the table, just the mapping.  Note that this is
still non-ideal, as any function that takes a function address should also take a GOT
index, but that is a lot of changes.  The relocation resolve process updates any GOT entry
it sees is out of date.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22537 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 12:44:13 +00:00
Chris Lattner
988b1dd608 Eliminate an extra copy from R1 that Nate noticed on function calls that 
have to write arguments to the stack


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22536 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 05:23:43 +00:00
Chris Lattner
4015ea8711 Specify the correct number of operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22535 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 04:42:11 +00:00
Reid Spencer
540f7d6018 Run the verifier pass after all the other passes rather than before them. 
This catches mistakes in the passes rather than just verifying the bytecode
input to llc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22534 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 04:00:49 +00:00
Nate Begeman
2a05c8e260 Fold constant adds into loads and stores to frame indices. 
For the following code:
double %ext(int %A.0__, long %A.1__) {
        %A_addr = alloca %typedef.DComplex              ; <%typedef.DComplex*> [#uses=2]
        %tmp.1 = cast %typedef.DComplex* %A_addr to int*                ; <int*> [#uses=1]
        store int %A.0__, int* %tmp.1
        %tmp.2 = getelementptr %typedef.DComplex* %A_addr, int 0, uint 1                ; <double*> [#uses=2]
        %tmp.3 = cast double* %tmp.2 to long*           ; <long*> [#uses=1]
        store long %A.1__, long* %tmp.3
        %tmp.5 = load double* %tmp.2            ; <double> [#uses=1]
        ret double %tmp.5
}

We now generate:
_ext:
.LBB_ext_0:     ;
        stw r3, -12(r1)
        stw r4, -8(r1)
        stw r5, -4(r1)
        lfd f1, -8(r1)
        blr

Instead of:
_ext:
.LBB_ext_0:     ;
        stw r3, -12(r1)
        addi r2, r1, -12
        stw r4, 4(r2)
        stw r5, 8(r2)
        lfd f1, 4(r2)
        blr

This also fires hundreds of times on MultiSource.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22533 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 03:02:05 +00:00
Reid Spencer
4418c2b3ac Make the verifier pass run (in debug mode) in llc. This adds a sanity check 
to llc when debugging. Also allow other passes to be run from llc.
Patch contributed by Michael McCracken.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22532 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 02:25:30 +00:00
Jeff Cohen
832481fd99 Please do not reintroduce tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22531 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 02:04:44 +00:00
Nate Begeman
3dee17581c Fix some comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22530 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 23:11:27 +00:00
Chris Lattner
cef21c3544 Fix debug info to not print out recently freed memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22529 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 23:11:25 +00:00
Chris Lattner
8e7a70976d Print symbolic register names in debug dumps 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22528 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 23:03:38 +00:00
Reid Spencer
bc9e49c77d Fix PR608: 
Previously the script assumed the version number was the last field, now
it assumes it is the first sequence of digits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22527 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 21:58:38 +00:00
Jeff Cohen
00b16889ab Eliminate all remaining tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22523 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 06:12:32 +00:00
Nate Begeman
54eed36da5 Implement the optimization for the Red Zone on Darwin. This removes the 
unnecessary SP manipulation in leaf routines that don't need it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22522 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 06:06:29 +00:00
Chris Lattner
45ff4faeed fix some warnings when compiled with 32-bit hosts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22521 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 05:58:01 +00:00
Jeff Cohen
9eb59ec548 Eliminate tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22520 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 05:53:44 +00:00
Chris Lattner
50e9ef8792 Testcase for PR607 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22519 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 22:08:53 +00:00
Chris Lattner
b65975a6ed add a note about the red zone 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22518 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 19:07:51 +00:00
Chris Lattner
2e00d7d0ae Wrap some long lines, fix emission of weak global variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22517 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 19:03:27 +00:00
Nate Begeman
4ad870ddcc Update the PPC readme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22516 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 18:59:06 +00:00
Chris Lattner
600d73b548 ConvertibleToGEP always returns 0, remove some old crufty code which 
is actually dead because of this!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22515 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 16:38:28 +00:00
Chris Lattner
d6bbac500b fix a warning on 32-bit systems 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22513 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-25 23:42:58 +00:00
Nate Begeman
7b4f0a81ff Fix an optimization put in for accessing static globals. This obviates 
the need to build PIC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22512 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-25 21:15:28 +00:00
Reid Spencer
675267e4e2 Get rid of bash specific syntax for variable dereferencing, replacing it 
with the more crufty (but more widely available) "eval" command.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22509 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-25 20:25:08 +00:00