Commit Graph

7470 Commits

Author SHA1 Message Date
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
Evan Cheng
736cefff85 Add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33743 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-01 02:46:20 +00:00
Evan Cheng
9312313a56 Also set alignment of stack-based structs to 4 in thumb mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33741 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-01 02:18:36 +00:00
Evan Cheng
9d945f78e5 Special epilogue for vararg functions. We cannot do a pop to pc because
there follows a sp increment for the va register save region. Instead issue
a separate pop to another register, increment sp, and then return:
        pop {r4, r5, r6, r7}
        pop {r3}
        add sp, #3 * 4
        bx r3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33739 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-01 01:49:46 +00:00
Evan Cheng
2021abe154 Pessmistically assume the .align 2 before the first constpool entry adds
two bytes padding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33734 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-01 01:09:47 +00:00
Evan Cheng
5b49ab9996 Possible JT improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33733 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-01 01:07:48 +00:00
Chris Lattner
9aa2895360 Fix CodeGen/PowerPC/2007-01-31-InlineAsmAddrMode.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33732 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-01 00:39:08 +00:00
Evan Cheng
3bf12d0460 Don't emit unnecessary .align directive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33729 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 23:39:39 +00:00
Evan Cheng
a2e35588c6 Handle an interesting corner case: the constpool_entry being reference is two
instructions away, i.e. its address is equal to PC.
        %r0 = tLDRpci <cp#0>
        bx
        CONSTPOOL_ENTRY 0 <cp#0>, 4


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33728 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 23:35:18 +00:00
Evan Cheng
7588ad478a Don't want to add FramePtr to callee save spill list twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33727 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 23:17:29 +00:00
Evan Cheng
3548006a29 Darwin ABI requires FP to point to stack slot of prev FP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33724 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 22:25:33 +00:00
Evan Cheng
11a065e599 Add entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33723 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 22:11:38 +00:00
Evan Cheng
0fa10515ee Thumb add sp, #imm requires the immediate value be multiple of 4. For now,
change preferred alignment of short, byte, bool to 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33722 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 22:08:40 +00:00
Evan Cheng
86eb515359 Update comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33721 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 22:06:44 +00:00
Evan Cheng
dff1ab2001 Dead comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33719 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 21:31:25 +00:00
Evan Cheng
3471b60e95 Thumb asm syntax does not want 's' suffix for flag setting opcodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33717 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 20:12:31 +00:00
Evan Cheng
c0dbec7e10 When determining whether a pc relative branch / load displacement fits in the
instruction field, adjust it for PC value (4 for thumb, 8 for arm).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33711 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 19:57:44 +00:00
Chris Lattner
95b9d6e5d8 A relatively simple PPC optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33709 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 19:49:20 +00:00
Evan Cheng
a9b8b8d62c Some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33707 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 18:29:27 +00:00
Evan Cheng
934536dab2 ConstPool island bug: watch out for cases where UserMI is the last MI of the BB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33706 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 18:19:07 +00:00
Lauro Ramos Venancio
b5b84f92bf ARM fix: Miscompilation when frame pointer can't be eliminated. Uninitialized frame pointer register is used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33703 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 13:12:46 +00:00
Evan Cheng
193f850880 Specify the right CC for comparison libcalls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33702 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 09:30:58 +00:00
Evan Cheng
b6ab2547cb Observe -soft-float.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33699 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 08:40:13 +00:00
Evan Cheng
0c61584d05 - Added Thumb constpool island support.
- Islands are inserted right after the user MI since thumb LDR cannot encode
  negative offset.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33690 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-31 02:22:22 +00:00
Evan Cheng
36640905e1 During PEI, if the immediate value of sp + offset is too large (i.e. something
that would require > 3 instructions to materialize), load the immediate from a
constpool entry.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33667 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 23:01:46 +00:00
Evan Cheng
c60e76d139 - Fix codegen for pc relative constant (e.g. JT) in thumb mode:
.set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        add r1, pc, #PCRELV0
This is not legal since add r1, pc, #c requires the constant be a multiple of 4.
Do the following instead:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

- In thumb mode, it's not possible to use .set generate a pc relative stub
  address. The stub is ARM code which is in a different section from the thumb
  code. Load the value from a constpool instead.
- Some asm printing clean up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33664 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 20:37:08 +00:00
Reid Spencer
5cbf985dcb For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid
confusion with external linkage types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33663 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 20:08:39 +00:00
Evan Cheng
ad1b9a503c Copy and paste bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33658 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 08:22:33 +00:00
Evan Cheng
b267ca17d1 Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33657 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 08:04:53 +00:00
Evan Cheng
c322a9ac14 Misseed thumb jumptable branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33656 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 08:03:06 +00:00
Evan Cheng
236f677e48 In thumb mode, round up stack frame size to multiple of 4 since add/sub
sp, imm instructions implicitly multiply the offset by 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33653 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 02:57:02 +00:00
Evan Cheng
5b91c7f69a Thumb eliminateFrameIndex fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33652 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 02:36:01 +00:00
Evan Cheng
cea117d2de Change the operand orders to t_addrmode_s* to make it easier to morph
instructions that use these address modes to instructions that use
t_addrmode_sp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33651 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 02:35:32 +00:00
Evan Cheng
d1b2c1e88f - In thumb mode, if size of MachineFunction is >= 2048, force LR to be
spilled (if it is not already).
- If LR is spilled, use BL to implement far jumps. LR is not used as a GPR
  in thumb mode so it can be clobbered if it is properly spilled / restored
  in prologue / epilogue.
- If LR is force spilled but no far jump has been emitted, try undo'ing the
  spill by:
  push lr -> delete
  pop pc -> bx lr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33650 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 01:18:38 +00:00
Evan Cheng
225dfe973b Use BL to implement Thumb far jumps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33649 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 01:13:37 +00:00
Evan Cheng
29836c330f Factor GetInstSize() out of constpool island pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33644 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 23:45:17 +00:00
Jim Laskey
e078d1a14a Only gather frame info if debug or eh.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33639 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 23:20:22 +00:00
Nate Begeman
bcc5f36765 Finish off bug 680, allowing targets to custom lower frame and return
address nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33636 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 22:58:52 +00:00
Nate Begeman
1f259e9d7a We'd still like to register allocate r2 on darwin before the callee-save
regs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33635 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 22:57:48 +00:00
Jim Laskey
73c5624375 rename flag
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33634 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 22:40:03 +00:00
Evan Cheng
24f7fb3267 Comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33633 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 22:23:02 +00:00
Evan Cheng
78268b9436 Remember if LR register has been spilled in this function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33632 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 22:22:24 +00:00
Anton Korobeynikov
1620f1ad91 Save all registers by default, as they can be used to pass parameters
for "inreg" calls


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33631 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 21:28:01 +00:00
Nate Begeman
908049b7b6 Update some of the llvm in the readme
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33630 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 21:21:22 +00:00
Jim Laskey
1b340dc8e2 Flag to control exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33628 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 20:48:32 +00:00
Jim Laskey
072200c36d Landing pad-less eh for PPC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33622 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 18:51:14 +00:00
Reid Spencer
519e239b1f Implement use of new IntrinsicLowering interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33619 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-29 17:51:02 +00:00
Nick Lewycky
5310897884 Fix compile error "jump to case label crosses initialization".
What compiler are people using that accepts this code?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33603 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-28 15:39:16 +00:00
Anton Korobeynikov
b10308e440 Propagate changes from my local tree. This patch includes:
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33597 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-28 13:31:35 +00:00
Bill Wendling
0db1f0b00b Make d'tor out-of-line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33585 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 11:40:32 +00:00
Bill Wendling
fcdea7baf0 Return an X86ELFWriterInfo object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33574 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 02:56:16 +00:00
Bill Wendling
40d776469d X86 implementation of the TargetELFWriterInfo class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33571 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 02:54:30 +00:00
Evan Cheng
198529aaf1 New entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33569 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 02:33:22 +00:00
Evan Cheng
d85ac4d079 Thumb jumptable support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33568 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 02:29:45 +00:00
Evan Cheng
53d7dbafc3 Thumb add / sub with carry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33562 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-27 00:07:15 +00:00
Lauro Ramos Venancio
ea9fc58bbf Some asm directives fixes for ELF.
Now we can compile llvm-gcc on arm-linux-gnueabi!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33558 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 23:24:43 +00:00
Nate Begeman
3c983c3dc1 Fix a spelling error
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33556 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 22:40:50 +00:00
Nate Begeman
6635f35cae Handle multiple functions, properly mangle symbols, and fix support for
scattered relocations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33555 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 22:39:48 +00:00
Evan Cheng
3fdadfc9ab Represent tADDspi and tSUBspi as two-address instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33551 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 21:33:19 +00:00
Jim Laskey
44c3b9fdd4 Change the MachineDebugInfo to MachineModuleInfo to better reflect usage
for debugging and exception handling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33550 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 21:22:28 +00:00
Lauro Ramos Venancio
fce1765a19 Fix Data16bitsDirective for ELF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33549 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 21:20:45 +00:00
Evan Cheng
43aeab68a6 Conditional branch being fixed up is not the last MI in the BB, there is a
unconditional branch following it. Simply invert the condition and swap
destinations if the conditional branch can reach the destination of the
unconditional branch:
beq L1
b   L2
=>
bne L2
b   L1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33548 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 20:38:26 +00:00
Lauro Ramos Venancio
1a92d941b3 If the constant pool value is a extern weak symbol, emit the weak reference.
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2007-01-26 19:51:32 +00:00
Evan Cheng
b60c02e005 extload -> zextload
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2007-01-26 19:13:16 +00:00
Jim Laskey
1ee2925742 Make LABEL a builtin opcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33537 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-26 14:34:52 +00:00
Reid Spencer
26f238589f For PR761:
The Module::setEndianness and Module::setPointerSize methods have been
removed. Instead you can get/set the DataLayout. Adjust thise accordingly.


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2007-01-26 08:11:39 +00:00
Reid Spencer
0fc052c36f For PR645:
Remove the Function::renameLocalSymbols function as it is no longer
needed.


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2007-01-26 08:01:30 +00:00
Evan Cheng
dd353b8ad7 SplitBlockBeforeInstr() insert a unconditional branch to the next BB. This
is unnecessary when we are fixing up a conditional branch since we will be
adding a unconditional branch to the destination of the original branch.


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2007-01-26 02:02:39 +00:00
Evan Cheng
7755facd76 Need to scan the function for branches even if there aren't any constants.
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2007-01-26 01:04:44 +00:00
Evan Cheng
a0bf794eb6 Forgot to update this.
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2007-01-25 23:31:04 +00:00
Evan Cheng
c285414988 Add comment, fix typo, reduce memory usage, etc.
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2007-01-25 23:18:59 +00:00
Evan Cheng
3df62bde9b I am an idiot.
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2007-01-25 23:18:16 +00:00
Evan Cheng
fab0439c62 Fix comment.
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2007-01-25 22:48:25 +00:00
Evan Cheng
99403b6964 - Tell PEI that PPC will handle stack frame rounding itself.
- Do not round up to max. alignment of stack object if it is > stack alignment.
  It will have to be handled with dynamic aligning code.


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2007-01-25 22:25:04 +00:00
Lauro Ramos Venancio
b1cc052823 Fix elf object definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33502 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-25 20:11:04 +00:00
Evan Cheng
743fa032a7 Doh. Skip JT branches.
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2007-01-25 19:43:52 +00:00
Evan Cheng
af5cbcb809 Added (preliminary) branch shortening capability to constantpool island pass.
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2007-01-25 03:12:46 +00:00
Evan Cheng
6318ffd736 Getting rid uses of evil std::set<>
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2007-01-25 03:07:27 +00:00
Chris Lattner
b482872d1d Fix test/CFrontend/2007-01-24-InlineAsmCModifier.c on X86. The %c modifier
says that no $ prefix should be emitted on X86.


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2007-01-25 02:53:24 +00:00
Chris Lattner
78192b6204 Fix test/CFrontend/2007-01-24-InlineAsmCModifier.c on PPC
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2007-01-25 02:52:50 +00:00
Andrew Lenharth
3553d86731 FTOIT and ITOFT are bit converts, and if we drop 21264s, are always available
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2007-01-24 21:09:16 +00:00
Jim Laskey
0e41094d49 Call frames for intel.
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2007-01-24 19:15:24 +00:00
Jim Laskey
7ac947d23d 80 columns
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2007-01-24 18:50:57 +00:00
Jim Laskey
5e73d5bd2e Repair debug frames as a prelude to eh_frames. Switched to using MachineMoves
by value so that clean up is less confusing (these vectors tend to be small.)


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2007-01-24 18:45:13 +00:00
Andrew Lenharth
7cce0ac42b Fix unordered fp on alpha
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2007-01-24 18:43:14 +00:00
Chris Lattner
d06b2ab701 Fix a misencoding of CBW and CWD. This fixes PR1030.
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2007-01-24 18:31:00 +00:00
Evan Cheng
012f2d97b7 Use PC relative ldr to load from a constantpool in Thumb mode.
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2007-01-24 08:53:17 +00:00
Bill Wendling
2b7218218f Make ivars private and use getters. Have the MachOWriter return "Mach-O
Writer" for the pass name.


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2007-01-24 07:13:56 +00:00
Evan Cheng
de268f7dcf Renamed getTypeAlignmentShift() to getPreferredTypeAlignmentShift().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33482 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-24 07:03:39 +00:00
Bill Wendling
0ea18ff8e7 Add a field for and construction of the PPCMachOWriterInfo object.
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2007-01-24 03:41:36 +00:00
Bill Wendling
3d6d609aae Move the getJTRelocation method out of here.
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2007-01-24 03:40:33 +00:00
Bill Wendling
841056a2ad New "TargetMachOWriterInfo" class. It holds target-specific information
that the MachOWriter needs in order to do its writing stuff 'n things.


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2007-01-24 03:36:05 +00:00
Evan Cheng
e966d6415c Allow [ fi#c, imm ] as ARM load / store addresses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33474 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-24 02:45:25 +00:00
Evan Cheng
79d4326b00 Various Thumb mode load / store isel bug fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33472 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-24 02:21:22 +00:00
Evan Cheng
c38f2bc3c2 - Reorg Thumb load / store instructions. Combine each rr and ri pair of
instructions into one (e.g. tLDRrr, tLDRri -> tLDR).
- Thumb ldrsb and ldrsh only have the [reg, reg] address format. If the
  address is not an add, materialize a 0 immediate into a register and use
  it as the offset field.


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2007-01-23 22:59:13 +00:00
Evan Cheng
a6f567c89e Darwin HiddenDirective is .private_extern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33465 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-23 19:06:03 +00:00
Evan Cheng
367372a30c PEI is now responsible for adding MaxCallFrameSize to frame size and align the stack. Each target can further adjust the frame size if necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33460 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-23 09:38:11 +00:00
Evan Cheng
dc77540d95 hasFP() is now a virtual method of MRegisterInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33455 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-23 00:57:47 +00:00
Evan Cheng
aa3e123ebb ARM AAPCS abi (Linux, etc.) requires 8-byte double / long alignment; Mac
requires 4-bytes alignment.


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2007-01-22 23:13:01 +00:00
Evan Cheng
74fc22d484 Double and long preferred alignment set to 8 bytes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33447 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-22 23:11:06 +00:00
Evan Cheng
ebd9b73ecd Double and long preferred alignment is 8 byte.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33446 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-22 23:09:50 +00:00
Evan Cheng
778900a5d1 - getTypeAlignmentShift() should be returning preferred alignment, not ABI
alignment.
- getPreferredAlignmentLog(): remove Double special case.


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2007-01-22 23:08:19 +00:00
Evan Cheng
706535db86 Linux GOT indirect reference is only necessary in PIC mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33441 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-22 21:34:25 +00:00
Evan Cheng
d44ecd86e7 Double and Long preferred alignment is 4 for Darwin, 8 for Linux.
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2007-01-22 21:24:13 +00:00
Evan Cheng
2576f13645 Use bl to call Thumb fuctions directly.
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2007-01-22 19:40:10 +00:00
Chris Lattner
66bb5b5db6 add a note
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2007-01-21 07:03:37 +00:00
Reid Spencer
7c29243670 Implement a getTypeSizeInBits method. This helps in transforms that want
to ensure the bit size of a type is identical before proceeding.


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2007-01-20 23:32:04 +00:00
Owen Anderson
1027a533d4 TargetData assumes (and some regression tests depend on it) that the size of
an unspecified datatype in the datalayout is capped by the size of a pointer.


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2007-01-20 23:07:13 +00:00
Chris Lattner
4a8c32debf trivial cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33410 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-20 22:39:15 +00:00
Chris Lattner
58092e35a3 Teach TargetData to handle 'preferred' alignment for each target, and use
these alignment amounts to align scalars when we can.  Patch by Scott Michel!


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2007-01-20 22:35:55 +00:00
Evan Cheng
515674c7b6 Round up stack to multiple of alignment only if it's a leaf function without alloca.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33401 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-20 10:22:33 +00:00
Evan Cheng
2bd7b2b41f One more try...
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2007-01-20 10:17:53 +00:00
Evan Cheng
5ad334fbda Last check-in was bogus. There is no need to align the stack if the function is a leaf function (and without alloca).
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2007-01-20 10:11:56 +00:00
Evan Cheng
c1c7283047 Prologue and epilogue bugs for non-Darwin targets.
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2007-01-20 03:24:07 +00:00
Evan Cheng
75e18c403e Clean up ARM PEI code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33389 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-20 02:09:25 +00:00
Evan Cheng
0327863a73 Backend is reponsible for aligning the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33388 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-20 02:08:16 +00:00
Reid Spencer
c10305743c For PR1043:
This is the final patch for this PR. It implements some minor cleanup
in the use of IntegerType, to wit:
1. Type::getIntegerTypeMask -> IntegerType::getBitMask
2. Type::Int*Ty changed to IntegerType* from Type*
3. ConstantInt::getType() returns IntegerType* now, not Type*

This also fixes PR1120.

Patch by Sheng Zhou.


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2007-01-19 21:13:56 +00:00
Evan Cheng
34b12d24a0 Code clean up. Use def : pat instead of defining new instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33368 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 20:27:35 +00:00
Evan Cheng
970a419633 isDarwin -> isTargetDarwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33366 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 19:28:01 +00:00
Evan Cheng
5be54b00bd Restructure code a bit to make use of continue (simplifying things). Generalize
the .zerofill directive emission to not be darwin-specific.


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2007-01-19 19:25:36 +00:00
Evan Cheng
e433ea9dce Darwin doesn't support .bss, but it does have .zerofill
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2007-01-19 19:23:47 +00:00
Evan Cheng
1a3771e30e Introduce TargetType's ELF and Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33363 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 19:22:40 +00:00
Evan Cheng
8e1185bd5c Modify emission of jump tables on darwin to emit an extra "l" label that
delimits the boundaries of jump tables.  This lets the linker's dead code
stripping optimization do a better job.


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2007-01-19 18:59:56 +00:00
Lauro Ramos Venancio
471ffaffd8 Fix section definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33359 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 17:33:22 +00:00
Evan Cheng
a8e2989ece ARM backend contribution from Apple.
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2007-01-19 07:51:42 +00:00
Nick Lewycky
bd92d81d22 Needed to build on PPC Linux.
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2007-01-19 04:36:02 +00:00
Evan Cheng
ae19abc2cc - Target PIC style is no longer affected by relocation model.
- In x86-64 mode, symbols with external linkage (not just symbols which are
  defined externally) requires GOT indirect reference.
- Stylistic code clean up.


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2007-01-18 22:27:12 +00:00
Chris Lattner
afd7a08a76 move contents of PR587 to here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33333 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-18 07:34:57 +00:00
Bill Wendling
39e9c09763 The zerofill directive needs a newline after it.
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2007-01-18 02:30:19 +00:00
Evan Cheng
071b9d5d7c Minor code clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33323 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-18 01:49:58 +00:00
Bill Wendling
c904a5b925 Have the OutputBuffer take the is64Bit and isLittleEndian booleans.
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2007-01-18 01:23:11 +00:00
Chris Lattner
b266ccd0f4 Modify emission of jump tables on darwin to emit an extra "l" label that
delimits the boundaries of jump tables.  This lets the linker's dead code
stripping optimization do a better job.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33315 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-18 01:15:58 +00:00
Chris Lattner
393a8eea3c add new JumpTableSpecialLabelPrefix hook to asmprinter for jumptable emission.
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2007-01-18 01:12:56 +00:00
Bill Wendling
203d3e4386 Changed to use the OutputBuffer instead of the methods in MachO and ELF
writers.


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2007-01-17 22:22:31 +00:00
Chris Lattner
8e13e90052 restructure code a bit to make use of continue (simplifying things). Generalize
the .zerofill directive emission to not be darwin-specific


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33304 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-17 17:44:25 +00:00
Chris Lattner
42ca450a57 darwin doesn't support .bss, but it does have .zerofill
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2007-01-17 17:43:33 +00:00
Chris Lattner
6f198dfb38 add new directive
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2007-01-17 17:42:42 +00:00
Anton Korobeynikov
5032e5a613 * Fix one more bug in PIC codegen: extra load is needed for *all*
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.


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2007-01-17 10:33:08 +00:00
Bill Wendling
e911615c47 Revert patch.
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2007-01-17 09:06:13 +00:00
Bill Wendling
22fb30231b Create the specified TargetObjInfo and use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33291 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-17 03:51:37 +00:00
Bill Wendling
cc91f5862c Create/store/and delete the TargetObjInfo object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33290 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-17 03:50:41 +00:00
Bill Wendling
34f03fff2d New "TargetObjInfo" class. This holds information that the object writers will
use to write things to the file. It's abstract so each target should implement
its own version for each writer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33286 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-17 03:46:30 +00:00
Anton Korobeynikov
b93a7c9b66 Missed "<" :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33265 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 20:22:18 +00:00
Anton Korobeynikov
1e0f33873b Cleanup. Comments added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33260 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 18:23:09 +00:00
Chris Lattner
a80cc93f10 Fix SMG2000 with the CBE: opaque types need names too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33258 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 18:02:45 +00:00
Chris Lattner
26aa785942 document some subtlety
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33257 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 17:51:40 +00:00
Anton Korobeynikov
d05ca657da Emit symbol type information for ELF/COFF targets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33256 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 16:41:57 +00:00
Bill Wendling
cb9009993b Instead of yet another enum indicating the "assembly language flavor",
just use the one that's in the subtarget.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33255 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 09:29:17 +00:00
Chris Lattner
19e8b0c1f5 Fix PR918 by only using typedefs to name struct types. This makes the later
type ordering stuff work better.  This fixes PR918 and
CodeGen/CBackend/2007-01-15-NamedArrayType.ll

Patch by Gordon Henriksen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33254 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 07:22:23 +00:00
Chris Lattner
03a6d96d32 add a note: we need whole-function selectiondags :)
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2007-01-16 06:39:48 +00:00
Bill Wendling
11502860c1 Make inline ASM the INTEL one if it's in that emission mode.
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2007-01-16 04:13:03 +00:00
Bill Wendling
eb9a42c90b Fix for PR1095:
LLVM would miscompile ASM dialects when compiling for PPC. Added dialects for
the X86 and PPC backends. It defaults to "0", the first variant of a compound
inline asm expression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33246 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-16 03:42:04 +00:00
Chris Lattner
7ace299bdc add some notes
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2007-01-15 06:25:39 +00:00
Chris Lattner
42a7551725 rename Type::isIntegral to Type::isInteger, eliminating the old Type::isInteger.
rename Type::getIntegralTypeMask to Type::getIntegerTypeMask.

This makes naming much more consistent.  For example, there are now no longer any
instances of IntegerType that are not considered isInteger! :)


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2007-01-15 02:27:26 +00:00
Chris Lattner
9e1b1cf3aa Make use of isInteger vs isIntegral more explicit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33216 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-15 01:48:11 +00:00
Anton Korobeynikov
1a85645d46 No hidden visiblity on Mingw32/Cygwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33202 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-14 11:49:39 +00:00
Chris Lattner
70d4107a45 add support for hidden visibility to darwin/ppc and linux/ppc targets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33200 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-14 06:37:54 +00:00
Chris Lattner
43bbc5c38f add support for hidden visibility to darwin/x86
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2007-01-14 06:29:53 +00:00
Chris Lattner
9784bc73c3 add a new HiddenDirective member for handling visibility.
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2007-01-14 06:27:21 +00:00
Chris Lattner
5b3a48d853 add a missing else. This caused globals to be printed as:
movq ___dso_handle@GOTPCREL(%rip)(%rip), %rsi

instead of:
        movq ___dso_handle@GOTPCREL(%rip), %rsi


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2007-01-14 06:08:14 +00:00
Chris Lattner
fd92ec40a9 darwin doesn't use .hidden. Disable this until we fix it right.
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2007-01-14 00:50:56 +00:00
Chris Lattner
32c9a4527d Fix PR1103 and Regression/CodeGen/X86/2007-01-13-StackPtrIndex.ll
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2007-01-14 00:13:07 +00:00
Chris Lattner
ae77c7b47a remove dead code, frameindices must be resolve before the asmprinter runs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33187 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-13 23:59:03 +00:00
Reid Spencer
31b8568baa Remove this file. It was inadvertently added because I could not find
TargetLowering.cpp in CodeGen/SelectionDAG (location makes no sense to me)


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2007-01-12 23:32:11 +00:00