Commit Graph

18637 Commits

Author SHA1 Message Date
Evan Cheng
f05589d043 Rename TargetOptions::StackAlignment to StackAlignmentOverride.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133739 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 18:15:47 +00:00
Evan Cheng
df214fa517 Remove TargetOptions.h dependency from ARMSubtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133738 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 18:15:17 +00:00
Justin Holewinski
d8149c1bef PTX: Always use registers for return values, but use .param space for device
parameters if SM >= 2.0

- Update test cases to be more robust against register allocation changes
- Bump up the number of registers to 128 per type
- Include Python script to re-generate register file with any number of
  registers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 18:10:13 +00:00
Justin Holewinski
486ca24c08 PTX: Whitespace fixes and remove commented out code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 18:10:07 +00:00
Justin Holewinski
a5ccb4e974 PTX: Prevent DCE from eliminating st.param calls, and unify the handling of
st.param and ld.param

FIXME: Test cases still need to be updated

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 18:10:05 +00:00
Justin Holewinski
67a9184861 PTX: Use .param space for parameters in device functions for SM >= 2.0
FIXME: DCE is eliminating the final st.param.x calls, figure out why

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133732 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 18:10:03 +00:00
Evan Cheng
ef41ff618f Remove TargetOptions.h dependency from X86Subtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133726 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 17:54:54 +00:00
Dylan Noblesmith
4dd26ddf8e CppBackend: fixup for api change
This broke after r133364.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133709 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 12:11:37 +00:00
Jay Foad
95c3e48f95 Reinstate r133513 (reverted in r133700) with an additional fix for a
-Wshorten-64-to-32 warning in Instructions.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133708 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 09:09:15 +00:00
Eric Christopher
e59fbc04ad Revert r133513:
"Reinstate r133435 and r133449 (reverted in r133499) now that the clang
self-hosted build failure has been fixed (r133512)."

Due to some additional warnings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133700 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 06:24:52 +00:00
Bill Wendling
4c0c446d74 Use the presence of the __compact_unwind section to indicate that a target
supports compact unwind info instead of having a separate flag indicating this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133685 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 05:13:28 +00:00
Evan Cheng
2fa82bc3da Get rid of one getStackAlignment(). RegisterInfo shouldn't need to know about stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 01:53:43 +00:00
Bill Wendling
1a3ab63cb5 Add a flag that indicates whether a target supports compact unwind info or not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133662 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 23:16:51 +00:00
Bill Wendling
aa0a8f3177 Add a __LD,__compact_unwind section.
If the linker supports it, this will hold the CIE and FDE information in a
compact format. The implementation of the compact unwinding emission is coming
soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133658 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 22:22:24 +00:00
Jim Grosbach
d7d71a1859 Add missing header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133640 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 20:40:30 +00:00
Jim Grosbach
2fc6898886 Move ARMMachObjectWriter to its own file.
Just tidy up a bit. No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133638 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 20:14:52 +00:00
Justin Holewinski
08d03168f2 PTX: Fix FrameIndex mapping bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 16:07:03 +00:00
Dan Bailey
3e8cff47a7 Test Commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133613 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 09:04:30 +00:00
Justin Holewinski
6332fdef15 PTX: Add signed integer comparisons
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133599 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 02:09:50 +00:00
Justin Holewinski
a9c85f9ead PTX: Add .address_size directive if PTX version >= 2.3
Patch by Wei-Ren Chen

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 00:43:56 +00:00
Nick Lewycky
94d4c91bc5 Add support for assembling "movq" when it's correct to do so, while continuing
to emit "movd" across the board to continue supporting a Darwin assembler bug.
This is the reincarnation of r133452.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133565 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 22:45:41 +00:00
Eric Christopher
1312ca8be6 Handle the memory-ness of all U+ ARM constraints.
Noticed on inspection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133553 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 22:10:57 +00:00
Evan Cheng
734f63bed9 Reorg. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133533 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 19:00:54 +00:00
Bob Wilson
38c892624b Revert r133452: "Emit movq for 64-bit register to XMM register moves..."
This is breaking compiler-rt and llvm-gcc builds on MacOSX when not using
the integrated assembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133524 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 17:35:13 +00:00
Anna Zaks
0ac56845d1 Add support for sadd.with.overflow and uadd.with.overflow intrinsics to the CBackend by emitting definitions for each intrinsic that occurs in the module.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 17:18:15 +00:00
Jay Foad
cd35e09a4a Reinstate r133435 and r133449 (reverted in r133499) now that the clang
self-hosted build failure has been fixed (r133512).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133513 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 10:33:19 +00:00
Evan Cheng
9568e5c3c3 Teach dag combine to match halfword byteswap patterns.
1. (((x) & 0xFF00) >> 8) | (((x) & 0x00FF) << 8)
   => (bswap x) >> 16
2. ((x&0xff)<<8)|((x&0xff00)>>8)|((x&0xff000000)>>8)|((x&0x00ff0000)<<8))
   => (rotl (bswap x) 16)

This allows us to eliminate most of the def : Pat patterns for ARM rev16
revsh instructions. It catches many more cases for ARM and x86.

rdar://9609108


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 06:01:08 +00:00
Chad Rosier
a88a0ca808 Revert r133435 and r133449 to appease buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133499 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 02:09:03 +00:00
Akira Hatanaka
805569f54a Add A0 and A1 to the list of registers used for returning a value in order to
handle functions with return type Complex long long.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 01:28:11 +00:00
Akira Hatanaka
5f7451ff6e Coding style fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133496 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 01:02:03 +00:00
Akira Hatanaka
21afc63ea7 Re-apply 132758 and 132768 which were speculatively reverted in 132777.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133494 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 00:40:49 +00:00
Justin Holewinski
c882df2560 PTX: Fix conversion between predicates and value types
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133454 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 18:42:48 +00:00
Nick Lewycky
1bd15700a0 Emit movq for 64-bit register to XMM register moves, but continue to accept
movd when assembling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133452 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 18:33:26 +00:00
Justin Holewinski
cad129bcc0 PTX: Fix if-then-else formatting and add missing asserts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133447 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 17:08:56 +00:00
Justin Holewinski
df1c8d837d PTX: Add basic register spilling code
The current implementation generates stack loads/stores, which are
really just mov instructions from/to "special" registers.  This may
not be the most efficient implementation, compared to an approach where
the stack registers are directly folded into instructions, but this is
easier to implement and I have yet to see a case where ptxas is unable
to see through this kind of register usage and know what is really
going on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133443 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 15:56:20 +00:00
Roman Divacky
8e9d6720c3 Don't apply on PPC64 the 32bit ADDIC optimizations as there's no overflow
with 32bit values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133439 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 15:28:39 +00:00
Jay Foad
72f5f313d8 Change how PHINodes store their operands.
Change PHINodes to store simple pointers to their incoming basic blocks,
instead of full-blown Uses.

Note that this loses an optimization in SplitCriticalEdge(), because we
can no longer walk the use list of a BasicBlock to find phi nodes. See
the comment I removed starting "However, the foreach loop is slow for
blocks with lots of predecessors".

Extend replaceAllUsesWith() on a BasicBlock to also update any phi
nodes in the block's successors. This mimics what would have happened
when PHINodes were proper Users of their incoming blocks. (Note that
this only works if OldBB->replaceAllUsesWith(NewBB) is called when
OldBB still has a terminator instruction, so it still has some
successors.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133435 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 14:38:01 +00:00
Jay Foad
c137120bb0 Make better use of the PHINode API.
Change various bits of code to make better use of the existing PHINode
API, to insulate them from forthcoming changes in how PHINodes store
their operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133434 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 14:18:48 +00:00
Jay Foad
7d715dfe6d Fix a FIXME by making GlobalVariable::getInitializer() return a
const Constant *.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133400 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-19 18:37:11 +00:00
Benjamin Kramer
1396c40389 Remove unused but set variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 11:09:41 +00:00
Jakob Stoklund Olesen
4b2a174e21 Delete unneeded allocation order override.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 02:30:02 +00:00
Jakob Stoklund Olesen
0a074ed3ef Switch ARM to using AltOrders instead of MethodBodies.
This slightly changes the GPR allocation order on Darwin where R9 is not
a callee-saved register:

Before: %R0 %R1 %R2 %R3 %R12 %R9 %LR %R4 %R5 %R6 %R8 %R10 %R11
After:  %R0 %R1 %R2 %R3 %R9 %R12 %LR %R4 %R5 %R6 %R8 %R10 %R11

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133326 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 01:14:46 +00:00
Jakob Stoklund Olesen
e8c38ca3b5 Switch x86 to using AltOrders instead of MethodBodies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133325 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 01:14:43 +00:00
Jakob Stoklund Olesen
3b6434e360 Reserve D16-D13 on subtargets that don't support them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133321 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 00:53:27 +00:00
Jakob Stoklund Olesen
8936b94776 Zap the last reference to allocation_order_begin().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133310 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 23:17:13 +00:00
Jakob Stoklund Olesen
aad458d57f SI, DI, BP, and SP don't have 8-bit sub-registers in x86 mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133308 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 23:15:00 +00:00
Bill Wendling
e266ce6c6e Use the verbose asm flag instead of a new flag for decoding the LSDA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 20:55:01 +00:00
Evan Cheng
6d6c55bc27 Add an alternative rev16 pattern. We should figure out a better way to handle these complex rev patterns. rdar://9609108
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133289 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 20:47:21 +00:00
Bill Wendling
916a94b870 Add an option that allows one to "decode" the LSDA.
The LSDA is a bit difficult for the non-initiated to read. Even with comments,
it's not always clear what's going on. This wraps the ASM streamer in a class
that retains the LSDA and then emits a human-readable description of what's
going on in it.

So instead of having to make sense of:

Lexception1:
        .byte   255
        .byte   155
        .byte   168
        .space  1
        .byte   3
        .byte   26
Lset0 = Ltmp7-Leh_func_begin1
      .long     Lset0
Lset1 = Ltmp812-Ltmp7
      .long     Lset1
Lset2 = Ltmp913-Leh_func_begin1
      .long     Lset2
      .byte     3
Lset3 = Ltmp812-Leh_func_begin1
      .long     Lset3
Lset4 = Leh_func_end1-Ltmp812
      .long     Lset4
      .long     0
      .byte     0
      .byte     1
      .byte     0
      .byte     2
      .byte     125
      .long     __ZTIi@GOTPCREL+4
      .long     __ZTIPKc@GOTPCREL+4

you can read this instead:

## Exception Handling Table: Lexception1
##  @LPStart Encoding: omit
##    @TType Encoding: indirect pcrel sdata4
##        @TType Base: 40 bytes
## @CallSite Encoding: udata4
## @Action Table Size: 26 bytes

## Action 1:
##   A throw between Ltmp7 and Ltmp812 jumps to Ltmp913 on an exception.
##     For type(s):  __ZTIi@GOTPCREL+4 __ZTIPKc@GOTPCREL+4
## Action 2:
##   A throw between Ltmp812 and Leh_func_end1 does not have a landing pad.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133286 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 20:35:21 +00:00
Roman Divacky
951cd021c1 Fix a few places where 32bit instructions/registerset were used on PPC64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133260 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 15:21:10 +00:00