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7433 Commits

Author SHA1 Message Date
Evan Cheng
15991bf775 Minor tweak. Allocate r0 to r3 in reverse order, r3 is least likely to be livein to a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 23:03:55 +00:00
Chris Lattner
3e8a541bf4 reenable generation of CC info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 22:12:19 +00:00
Evan Cheng
3fae29acef Back out previous commit temporarily. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34694 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:47:22 +00:00
Evan Cheng
5ef9226f30 Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve register kill info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:12:35 +00:00
Chris Lattner
f45803012c implement CCMatchIfCC in terms of CCMatchIf 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34685 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 20:45:02 +00:00
Chris Lattner
8bcc4aea47 build cc info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34684 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 20:44:31 +00:00
Chris Lattner
dbec2d9dcf a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34670 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 17:21:09 +00:00
Nicolas Geoffray
05c180b347 Fix parenthesis for BCTRL_{ELF|Macho} test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 13:10:41 +00:00
Nicolas Geoffray
63f8fb1993 Differentiate between the MachO and the ELF ABI the CALL instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34667 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 13:01:19 +00:00
Jim Laskey
d313a9b148 Duplicate use of LR, take 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 11:55:45 +00:00
Chris Lattner
d637a8b436 Add calling convention info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34661 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 06:59:52 +00:00
Chris Lattner
00836648ae move target independent calling convention stuff to TargetCallingConv.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34659 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:57:32 +00:00
Chris Lattner
d50110d8dc fill in some holes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34658 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:51:05 +00:00
Chris Lattner
9774c915f1 switch x86-64 return value lowering over to using same mechanism as argument 
lowering uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:28:59 +00:00
Chris Lattner
13513b7a50 Minor refactoring of CC Lowering interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:13:54 +00:00
Chris Lattner
362e98a5f5 move CC Lowering stuff to its own public interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 04:43:02 +00:00
Chris Lattner
9c71ab77cd refactor x86-64 argument lowering yet again, this time eliminating templates, 
'clients', etc, and adding CCValAssign instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 04:18:15 +00:00
Evan Cheng
3d3d627513 Backing out Jim's LR spill changes. This was causing llvm-gcc bootstrapping 
to infinite loop:
PPCMachineFunctionInfo.h updated: 1.2 -> 1.3
PPCRegisterInfo.cpp updated: 1.110 -> 1.111
PPCRegisterInfo.h updated: 1.28 -> 1.29


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34652 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 02:55:29 +00:00
Chris Lattner
caddd44be7 always lower to RETFLAG, never leave it as just ret. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34639 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 19:44:02 +00:00
Chris Lattner
bffc1b3c4e fix attribution 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34637 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 18:56:07 +00:00
Chris Lattner
31c8a6d511 Add a description of the X86-64 calling convention and the return 
conventions.  This doesn't do anything yet, but may in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 18:17:14 +00:00
Chris Lattner
6e50f8cfe9 switch to smallvector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34633 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 07:59:53 +00:00
Chris Lattner
14dd4c9735 initial hack at splitting the x86-64 calling convention info out from the 
mechanics that process it.  I'm still not happy with this, but it's a step
in the right direction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34631 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 07:50:02 +00:00
Chris Lattner
cc7b07a0ff the truncate must always be done, it's only the assert that is conditional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34628 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 05:21:05 +00:00
Chris Lattner
54e3efde46 add an accessor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 04:01:25 +00:00
Chris Lattner
df5cdb5288 in X86-64 CCC, i8/i16 arguments are already properly zext/sext'd on input. 
Capture this so that downstream zext/sext's are optimized out.  This
compiles:
  int test(short X) { return (int)X; }

to:

_test:
        movl %edi, %eax
        ret

instead of:

_test:
        movswl %di, %eax
        ret


GCC produces this bizarre code:

_test:
        movw    %di, -12(%rsp)
        movswl  -12(%rsp),%eax
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34623 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 03:18:56 +00:00
Chris Lattner
c30654cc96 Fix an X86-64 abi bug. We now compile: 
void foo(short);
void bar(unsigned short A) {
  foo(A);
}

into:

_bar:
        subq $8, %rsp
        movswl %di, %edi
        call _foo
        addq $8, %rsp
        ret

instead of:

_bar:
        subq $8, %rsp
        call _foo
        addq $8, %rsp
        ret

Testcase here: test/CodeGen/X86/x86-64-shortint.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34615 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 23:10:46 +00:00
Chris Lattner
7e22977c0f fix CodeGen/X86/2007-02-25-FastCCStack.ll, a regression from my patch last 
night:  fastcc returns should only go in XMM0 if we have SSE2 or above.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34613 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 22:23:46 +00:00
Chris Lattner
4ddf7a4ca6 no really, this is the right patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34605 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 20:01:40 +00:00
Chris Lattner
640c0ac01d always promote float varargs to double. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34604 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 19:59:18 +00:00
Chris Lattner
1fa3d9ef93 one important bugfix: PPC32 didn't have both elf and macho support for 
external symbols and global addresses.  Add the missing ones.

one important workaround: PPCISD::CALL is matched by both PPCcall_ELF
and PPCcall_Macho, disable the _ELF patterns for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34601 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 19:20:53 +00:00
Dale Johannesen
ce74de46dd cosmetic changes from review of last patch. obvious 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34598 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 18:31:31 +00:00
Chris Lattner
5e265b29ea fastcc functions that return double values now return them in xmm0 on x86-32. 
This implements CodeGen/X86/fp-stack-ret.ll:test[23]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34592 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:31:16 +00:00
Chris Lattner
4dfccf4b48 allow vectors to be passed to stdcall/fastcall functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:14:25 +00:00
Chris Lattner
2a9bdd74f2 move LowerRET into the 'Return Value Calling Convention Implementation' 
section of the file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34589 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:12:39 +00:00
Chris Lattner
339b439d47 make all Lower*CallTo implementations use LowerCallResult to handle their 
result value stuff.  This eliminates a bunch of duplicated code and now
GetRetValueLocs is the sole place that decides where a value is returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34588 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:10:05 +00:00
Chris Lattner
09c75a4372 pass the calling convention into Lower*CallTo, instead of using ad-hoc flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34587 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:06:15 +00:00
Chris Lattner
3085e15117 factor a bunch of code out of LowerCCCCallTo into a new LowerCallResult 
function.  This function now uses GetRetValueLocs to determine *where*
the result values are located and concerns itself with *how* to pull the
values out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34586 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:59:22 +00:00
Chris Lattner
2b02a4409f move some code around, pass in calling conv, even though it is unused 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34585 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:29:00 +00:00
Chris Lattner
cb18656734 simplify result value lowering by splitting the selection of *where* to return 
registers out from the logic of *how* to return them.

This changes X86-64 to mark EAX live out when returning a 32-bit value,
where before it marked RAX liveout.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34582 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:15:11 +00:00
Chris Lattner
7d53a1c45e make void-return not a special case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34579 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 07:18:38 +00:00
Chris Lattner
5a88b837f2 eliminate a bunch more temporary vectors from X86 lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34578 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 07:10:00 +00:00
Chris Lattner
d96d072332 eliminate temporary vectors created during X86 lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34577 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 06:40:16 +00:00
Chris Lattner
9cb9626abf remove std::vector's in RET lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 06:21:57 +00:00
Chris Lattner
9f0bc659c8 implement support for the linux/ppc function call ABI. Patch by 
Nicolas Geoffray!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34574 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 05:34:32 +00:00
Chris Lattner
eb95d41cd3 Add XLForm_1_ext template, patch by Nicolas Geoffray. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34573 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 05:07:49 +00:00
Chris Lattner
456bc87e78 Improve JIT support for linux/ppc: Patch by Nicolas Geoffray! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34572 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 05:04:13 +00:00
Dale Johannesen
598270a68d remove crediting of Evan Cheng and me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34568 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 01:42:36 +00:00
Dale Johannesen
99c49a4b94 Removed WaterListOffset, inserted BBOffsets. Remove TODO item about this 
from README.
When no water available, use end of block if in range.  (More to do here.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34563 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 00:47:03 +00:00
Bill Wendling
145aad04db PR1164: 
Generate local names with a "llvm_cbe_" prefix using the actual name of the
variable instead of a temporary name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34540 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 22:45:08 +00:00
Lauro Ramos Venancio
acdfa445ac bugfix: SP wasn't updated for varargs when frame pointer was eliminated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34537 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 21:53:48 +00:00
Jim Laskey
2a27a7598b Don't spill LR as a callee saved register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34533 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 20:34:16 +00:00
Lauro Ramos Venancio
600c383e5c Fix stack alignment in functions with varargs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34532 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 20:32:57 +00:00
Dale Johannesen
88e37ae366 rewrite of constant islands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34523 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 05:02:36 +00:00
Evan Cheng
04321f70f5 Added -march=thumb; removed -enable-thumb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34521 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 03:14:31 +00:00
Evan Cheng
cdc694440b 80 col. violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34520 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 03:03:16 +00:00
Anton Korobeynikov
6641309c36 External weak linkage is supported by recent binutils on mingw32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34519 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 01:58:50 +00:00
Evan Cheng
0fa1b6d1b1 By default, spills kills the register being stored. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34515 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 01:10:04 +00:00
Evan Cheng
ead7590581 Add option to turn on register scavenger; By default, spills kills the register being stored. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34514 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 01:09:11 +00:00
Chris Lattner
c740d06290 remove obsolete file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34506 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-22 23:48:43 +00:00
Jim Laskey
2ad9f17fee Simplify lowering and selection of exception ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-22 14:56:36 +00:00
Jim Laskey
62819f3144 Support to provide exception and selector registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 22:54:50 +00:00
Jim Laskey
bda9b0ec7b Add support for changes in DwarfWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34478 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 22:47:38 +00:00
Jim Laskey
a15be8ce3a Add TAI field for exception table section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34477 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 22:43:40 +00:00
Evan Cheng
f46847172a ELF / PIC requires GOT be in the EBX register during calls via PLT GOT pointer. 
Add implicit uses of EBX to calls to ensure liveintervalanalysis does not treat
the GOT in EBX move as dead upon definition.
This should fix PR1207.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 21:18:14 +00:00
Dan Gohman
e26bff22db Fix typos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34456 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-20 20:52:03 +00:00
Evan Cheng
58866f43fa How the heck did I forget patterns for llvm.x86.sse2.cmp.sd? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34434 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-20 00:39:09 +00:00
Reid Spencer
4ecd9ee061 Simplify some code by moving variable declarations into the only block that 
uses them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34432 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-19 23:30:10 +00:00
Reid Spencer
f734ea21a3 Implement support for non-standard integer bit widths of any size. The 
rules alignment is to pick the alignment that corresponds to the smallest
specified alignment that is larger than the bit width of the type or the
largest specified integer alignment if none are larger than the bitwidth
of the type. For the byte size, the size returned is the next larger
multiple of the alignment for that type (using the above rule). This patch
also changes bit widths from "short" to "uint32_t" to ensure there are
enough bits to specify any bit width that LLVM can handle (currently 2^23);
16-bits isn't enough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34431 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-19 22:35:00 +00:00
Evan Cheng
b371f457b0 Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-19 21:49:54 +00:00
Reid Spencer
a284cbf667 For PR1207: 
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34399 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-19 03:20:00 +00:00
Evan Cheng
eceada6728 Added getReservedRegs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34376 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-17 11:06:00 +00:00
Chris Lattner
dee5a5a52c Fix ixaddrs as well, allowing ppc64 to compile to: 
_test2:
        li r2, 0
        lis r3, 1
        std r2, 9024(r3)
        blr

instead of:

_test2:
        lis r2, 1
        li r3, 0
        ori r2, r2, 9024
        std r3, 0(r2)
        blr

This implements CodeGen/PowerPC/LargeAbsoluteAddr.ll:test2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-17 06:57:26 +00:00
Chris Lattner
bc681d6af4 Compile test/CodeGen/PowerPC/LargeAbsoluteAddr.ll to: 
_test:
        lis r2, 743
        li r3, 0
        stw r3, 32751(r2)
        blr

instead of:

_test:
        li r2, 0
        stw r2, 32751(48693248)
        blr

Implement support for ppc64 as well, allowing it to produce better code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-17 06:44:03 +00:00
Chris Lattner
affeb56480 Do not dereference invalid ranges. Generalize targetdata alignment model. 
This fixes the UnitTests/Vector/sumarray-dbl regressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34358 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-17 00:41:42 +00:00
Chris Lattner
3ebb2e0034 Fix CodeGen/PowerPC/2007-02-16-AlignPacked.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-16 23:11:51 +00:00
Reid Spencer
52dc96842e Remove an unnecessary predicate. 
Patch by Scott Michel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34354 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-16 22:42:40 +00:00
Chris Lattner
ae6f1fa36b simplify some code, ensure that packed structures get abi alignment of 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-16 22:25:34 +00:00
Chris Lattner
3dd074afcb fix incorrect encoding of vminsw. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-16 21:20:09 +00:00
Andrew Lenharth
c909605bf7 This was done recently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-16 02:11:59 +00:00
Reid Spencer
1f43787bf0 For PR1195: 
PACKED_ALIGN -> VECTOR_ALIGN


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34330 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 22:07:05 +00:00
Reid Spencer
16db3caba8 For PR1202: 
Make sure we found an existing Alignment before overwriting it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34308 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 18:34:36 +00:00
Evan Cheng
61de82d885 Use BitVector instead of vector<bool> which can be extremely slow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34302 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 05:59:24 +00:00
Reid Spencer
ac9dcb94dd For PR1195: 
Change use of "packed" term to "vector" in comments, strings, variable
names, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34300 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 03:39:18 +00:00
Reid Spencer
9d6565a5b1 For PR1195: 
Rename PackedType -> VectorType, ConstantPacked -> ConstantVector, and
PackedTyID -> VectorTyID. No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34293 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 02:26:10 +00:00
Reid Spencer
b7d61101b1 Fixed packed structure breakage from earlier TargetData patch; applied 
Chris Lattner's code style suggestions.

Patch by Scott Michel!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34292 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 02:11:06 +00:00
Chris Lattner
d2b7cec527 Generalize TargetData strings, to support more interesting forms of data. 
Patch by Scott Michel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34266 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-14 05:52:17 +00:00
Andrew Lenharth
921a83a809 Well this isn't as ugly and it works better. At least gcc bootstraps again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34254 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 23:41:16 +00:00
Chris Lattner
36e37d2944 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 21:44:43 +00:00
Lauro Ramos Venancio
7501605988 Add space between // and the comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 20:06:15 +00:00
Lauro Ramos Venancio
3630e78db9 Add ABI information to ARM subtarget. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 19:52:28 +00:00
Lauro Ramos Venancio
876eaf1135 According to ARM EABI, 8-bytes function arguments must be 8-bytes aligned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34241 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 14:07:13 +00:00
Chris Lattner
48d3c108b6 more notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34204 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-12 21:20:26 +00:00
Chris Lattner
08ba1de2d2 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34202 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-12 20:26:34 +00:00
Chris Lattner
f6ca09a22b Switch LayoutInfo to be a DenseMap instead of an std::map. This speeds up 
-load-vn -gcse by 2.3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34160 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 20:26:17 +00:00
Chris Lattner
a12bd03f07 add a typedef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34159 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 20:18:06 +00:00
Chris Lattner
9182e3f205 eliminate the std::vector from StructLayout, allocating the elements immediately 
after the StructLayout object in memory.  This marginally improves locality,
speeding up -load-vn -gcse by ~0.8%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34158 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 20:15:41 +00:00
Chris Lattner
b0c39a3b4d encapsulate the rest of the StructLayout members. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34157 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 19:59:22 +00:00
Chris Lattner
b1919e2f08 Privatize StructLayout::MemberOffsets, adding an accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34156 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 19:55:17 +00:00
Chris Lattner
ec6478b8f3 Use ManagedStatic to manage LayoutInfo, instead of rolling our own. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34154 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 19:43:18 +00:00
Chris Lattner
ddce8d21ea Change TargetData::getIndexedOffset interface to not require indices 
in a vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34153 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-10 19:33:15 +00:00
Evan Cheng
e03cff6812 These vectors are frequently large. Use std::vector instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34109 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-09 23:59:14 +00:00
Evan Cheng
c99ef085b9 Add reference counting to constantpool entries. Delete the unused ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34105 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-09 20:54:44 +00:00
Chris Lattner
8abcfe11b5 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34101 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-09 17:38:01 +00:00
Nate Begeman
8c541bcc56 Remove fixed item 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34081 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-09 04:19:54 +00:00
Evan Cheng
6a9a76508c This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34072 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 23:53:38 +00:00
Andrew Lenharth
ac5a545043 return addresses, those I already have 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34056 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 17:37:41 +00:00
Bill Wendling
2f5bcb5f38 Fixed comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34040 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 06:05:08 +00:00
Bill Wendling
eb1ac33850 Moved the MachOWriter and ELFWriter out of the Target/* files. Placed the 
definition of it into the CodeGen library. This is so that a backend doesn't
necessarily add in these writers if it doesn't use them (like in the lli
program).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34034 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 01:39:44 +00:00
Bill Wendling
50e4e88d97 Added new method to add a "simple" code emitter. That is, to only add 
the code emitter and not set variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 01:38:33 +00:00
Bill Wendling
449c57a0f9 Dead files. Functionality has been taken over by the Add*Writer functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34029 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 01:32:51 +00:00
Evan Cheng
bd8251a9a6 isLowRegister() expects input is a physical register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34013 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 21:44:33 +00:00
Evan Cheng
403e4a4725 Rename. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34011 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 21:24:09 +00:00
Evan Cheng
5ebd10e5ac If sp offset will be materialized in a register. Clear the offset field of str / ldr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34010 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 21:19:58 +00:00
Evan Cheng
8fdbe560a0 Get rid of references to iostream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34009 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 21:18:32 +00:00
Evan Cheng
2ef02a220e New entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34000 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 09:22:15 +00:00
Evan Cheng
8bed6c968f In thumb mode, R3 is reserved, but it can be live in to the function. If 
that is the case, whenever we use it as a scratch register, save it to R12
first and then restore it after the use.
This is a temporary and truly horrible workaround!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33999 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 09:17:36 +00:00
Evan Cheng
1f253d6e97 Update 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33998 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 08:37:57 +00:00
Evan Cheng
7142f8755a - If fp (r7) is used to reference stack objects, use [r, r] address mode. 
- If there is a dynamic alloca, in the epilogue, restore the value of sp
  using r7 - offset.
- Other bug fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33997 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 08:37:31 +00:00
Evan Cheng
a01faf4a7a eliminateFrameIndex() is even more complicated if frame ptr is used instead of SP when there are dynamic alloca's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33975 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 02:44:23 +00:00
Evan Cheng
8e59ea998f Spill / restore should avoid modifying the condition register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33971 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 00:06:56 +00:00
Evan Cheng
8c1a73ad3f Select add FI, c correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33960 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-06 09:11:20 +00:00
Evan Cheng
40984d7449 foldMemoryOperand() cannot fold tMOVrr sp into load / store in thumb mode. tLDRspi / tSTRspi cannot target / store high registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-06 06:13:29 +00:00
Evan Cheng
88b633165a eliminateFrameIndex() bug when frame pointer is used as base register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33945 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-06 00:23:31 +00:00
Evan Cheng
ad0e465889 - Store val, [sp, c] must be selected to tSTRsp. 
- If c does not fit in the offset field, materialize sp + c into a register
  using tADDhirr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33944 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-06 00:22:06 +00:00
Reid Spencer
d2a988caad Although targets are not required to support integers > 64bits, TargetData 
must in order for backends that do want to support large integer types to be
able to function. Consequently, don't assert if the bitwidth > 64 bits
when computing the size and alignment. Instead, compute the size by rounding
up to the next even number of bytes for the size. Compute the alignment
as the same as the LongABIAlignment. These provide reasonable defaults
that the target can override.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33943 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-05 23:51:43 +00:00
Reid Spencer
ef9b9a7939 For PR411: 
This patch replaces the SymbolTable class with ValueSymbolTable which does
not support types planes. This means that all symbol names in LLVM must now
be unique. The patch addresses the necessary changes to deal with this and
removes code no longer needed as a result. This completes the bulk of the
changes for this PR. Some cleanup patches will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33918 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-05 20:47:22 +00:00
Chris Lattner
6241226b09 Fix a miscompilation in the addr mode code trying to implement X | C and 
X + C to promote LEA formation.  We would incorrectly apply it in some cases
(test) and miss it in others.

This fixes CodeGen/X86/2007-02-04-OrAddrMode.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33884 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 20:18:17 +00:00
Evan Cheng
b38cba928e ARM callseq_end should have a input flag operand so it would be scheduled right after the call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33832 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 09:11:58 +00:00
Evan Cheng
fc4034259f Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33831 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 08:53:01 +00:00
Bill Wendling
736610c874 Moved the GetTargetRelocation method from PPCMachOWriter to here. It uses 
non-Mach-O-specific information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33819 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 02:41:58 +00:00
Bill Wendling
e318391d4d Moved the GetTargetRelocation method to the PPCMachOWriterInfo object. The 
PPCMachOWriter is now trivial.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33818 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 02:40:57 +00:00
Bill Wendling
d118cd27e3 Put destructor out-of-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33817 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 02:40:10 +00:00
Evan Cheng
bd5d3dbdbe - Branch max. displacement calculation bug. 
- Add debugging info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33811 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 02:08:34 +00:00
Lauro Ramos Venancio
4642ca6589 bugfix: SP isn't resetted when function has FP and there is no spills. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33800 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 23:08:40 +00:00
Evan Cheng
a21335dd76 Another thumb large stack offset codegen bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33795 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 21:08:39 +00:00
Evan Cheng
05cc424082 Use MBB.empty() instead of MBB.size() for speed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33789 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 19:09:19 +00:00
Evan Cheng
1dd6a606ad Watch out for empty BB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33788 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 18:49:02 +00:00
Evan Cheng
f48ae3353e Ugh. Only meant to do this in thumb mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33780 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 08:58:48 +00:00
Chris Lattner
2d1222c060 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33778 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 04:36:46 +00:00
Reid Spencer
832254e1c2 Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33776 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 02:16:23 +00:00
Evan Cheng
9a2ef9509e Fix a bug in getARMCMP (which translate CondCode to ARM specific CC) when the RHS is a constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33775 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 01:53:26 +00:00
Evan Cheng
b0636156ef Thumb does not have clz. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33773 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 23:34:03 +00:00
Lauro Ramos Venancio
c33f674ca3 Define PrivateGlobalPrefix for ARM Linux. (Fix CodeGen/ARM/large_stack.ll) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33763 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 21:43:53 +00:00
Evan Cheng
556f33c6e2 Pasto. Lots of it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33762 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 20:44:52 +00:00
Lauro Ramos Venancio
6f46e59d2a Fix .thumb_func directive on linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 18:25:34 +00:00
Jim Laskey
b82313fdc2 Support for non-landing pad exception handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 16:31:34 +00:00
Evan Cheng
b43216ee4a - Off by one bugs in maximum displacement calculation / testing. 
- In thumb mode, a new constpool island BB size should be 4 + 2 to
  compensate for the potential padding due to alignment requirement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33753 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 10:16:15 +00:00
Anton Korobeynikov
b25fe82671 Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only 
affected part is codegen of "memove" inside x86 backend. This fixes
PR1144


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 08:39:52 +00:00
Evan Cheng
e0c2b6b9a8 .set pc relative displacement bug: label should be moved down one instruction 
to just before the add r1, pc:

Before:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

Now:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
        mov r1, #PCRELV0
LPCRELL0:
        add r1, pc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33744 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 03:04:49 +00:00