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86875a2463
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42737 Commits

Author SHA1 Message Date
Jim Grosbach
86875a2463 ARM mode LDREX*/STREX* binary encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 19:58:57 +00:00
Jim Grosbach
27e900888e Encoding information for ARM conditional move instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 19:28:17 +00:00
Jakob Stoklund Olesen
db4eec3d2c Fix sign error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117677 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 18:21:18 +00:00
Evan Cheng
089751535d Avoiding overly aggressive latency scheduling. If the two nodes share an 
operand and one of them has a single use that is a live out copy, favor the
one that is live out. Otherwise it will be difficult to eliminate the copy
if the instruction is a loop induction variable update. e.g.

BB:
sub r1, r3, #1
str r0, [r2, r3]
mov r3, r1
cmp
bne BB

=>

BB:
str r0, [r2, r3]
sub r3, r3, #1
cmp
bne BB

This fixed the recent 256.bzip2 regression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 18:09:28 +00:00
Evan Cheng
d7e473c629 - Don't schedule nodes with only MVT::Flag and MVT::Other values for latency. 
- Compute CopyToReg use operand latency correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117674 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 18:07:31 +00:00
Jakob Stoklund Olesen
3ccfce0e35 Don't transfer unused values to the new intervals formed by splitting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:47:49 +00:00
Jim Grosbach
80eb233a3c Handle ARM addrmode5 instructions with an offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117672 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:41:25 +00:00
Benjamin Kramer
8a8e26fb18 Silence Release build warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117671 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:40:05 +00:00
Jakob Stoklund Olesen
6d309059a7 Teach ConnectedVNInfoEqClasses::Classify to deal with unused values. 
We don't want unused values forming their own equivalence classes, so we lump
them all together in one class, and then merge them with the class of the last
used value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117670 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:37:29 +00:00
Jakob Stoklund Olesen
c94fcb1507 Never propagate the idom value out of a block that defines its own value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117669 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:37:25 +00:00
John Thompson
44ab89eb37 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:29:13 +00:00
Dan Gohman
3545635a60 Check if ErrMsg is null. This fixes the "not" command. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:20:42 +00:00
Dan Gohman
c463316046 Fix these error messages to be less confusing. These error 
messages primarily indicate errors running the viewer, not
errors with the graph file itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:03:40 +00:00
Dan Gohman
e5f77cda25 Make Program::Wait differentiate execution failure due to the file 
being not found from the file being not executable. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:54:25 +00:00
Jim Grosbach
d8d716fad3 Revert 117660. Apparently it's not as trivial as that... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117663 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:50:53 +00:00
Dan Gohman
695e85d477 Make Program::Wait provide an error message string for errors 
executing the child process and abnormal child process termination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:39:01 +00:00
Jim Grosbach
da54c6dd4f ARM addrmode5 instructions have neither writeback nor post-indexed modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117660 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:38:59 +00:00
Jim Grosbach
16c7425cff Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 14:46:02 +00:00
Benjamin Kramer
61a4d56a03 ARMAsmParser: Plug a memory leak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 09:43:39 +00:00
Eric Christopher
c223e2b10b Add an unreachable to silence warning - the switch is actually 
fully enumerated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117647 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 09:26:59 +00:00
Bill Wendling
49ad731adf This may be an ARM target, so check for _Unwind_SjLj_Resume. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117643 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 07:46:01 +00:00
Dan Gohman
cd5c123a1d Teach memdep to use pointsToConstantMemory to determine that loads 
from constant memory don't alias any stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 01:14:04 +00:00
Jakob Stoklund Olesen
eeaae20be0 Fix broken equivalence class calculation. We could probably also use 
EquvivalenceClasses.h except it looks like overkill when elements are continuous
integers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 00:40:59 +00:00
Jakob Stoklund Olesen
cb367778c0 Print out the connected components in the verifier after complaining about their 
multiplicity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117630 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 00:40:57 +00:00
Jakob Stoklund Olesen
1f46a0ac66 Run a verification pass before any splitting to better distribute blame. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117629 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 00:40:55 +00:00
Chris Lattner
14b93851cc add simple support for addrmode5 operands, allowing 
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 00:27:31 +00:00
Devang Patel
4d7f9a00a5 Ignore empty blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 22:11:59 +00:00
Chris Lattner
e73d4f8ec7 give better error diagnostics, for example: 
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:41:58 +00:00
Chris Lattner
6274ec48b3 hook up getOpcodeName for ARM so that "llc -show-mc-inst" includes 
the opcode string in the inst dump, e.g.:
	vmov	r2, r3, d17             @ encoding: [0x31,0x2b,0x53,0xec]
                                        @ <MCInst #989 VMOVRRD
                                        @  <MCOperand Reg:68>
                                        @  <MCOperand Reg:69>
                                        @  <MCOperand Reg:19>
                                        @  <MCOperand Imm:14>
                                        @  <MCOperand Reg:0>>

The "VMOVRRD" is new.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:37:33 +00:00
Rafael Espindola
f4b0f3e616 Improvements to .section parsing: 
* If we have a M or a G, reject sections without the type
* Only parse the flag specific arguments if we have M or G
* Parse the corresponding arguments for M and G

We ignore the G arguments and flag for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:33:33 +00:00
Chris Lattner
fa42fad8bf move a method out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:28:01 +00:00
Chris Lattner
550276ee5b remove the rest of hte owningptr's, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:52:15 +00:00
Jakob Stoklund Olesen
8c4564287d One day, physical register live ranges will be sensible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117602 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:44:22 +00:00
Jakob Stoklund Olesen
e1dde7b05a Replace SplitKit SSA update with an iterative algorithm very similar to the one 
in SSAUpdaterImpl.h

Verifying live intervals revealed that the old method was completely wrong, and
we need an iterative approach to calculating PHI placemant. Fortunately, we have
MachineDominators available, so we don't have to compute that over and over
like SSAUpdaterImpl.h must.

Live-out values are cached between calls to mapValue() and computed in a greedy
way, so most calls will be working with very small block sets.

Thanks to Bob for explaining how this should work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:34:52 +00:00
Jakob Stoklund Olesen
d68f458244 Make MachineDominators available for SplitEditor. We are going to need it for 
proper SSA updating.

This doesn't cause MachineDominators to be recomputed since we are already
requiring MachineLoopInfo which uses dominators as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:34:50 +00:00
Jakob Stoklund Olesen
26b92be922 Add a temporary command line option to verify machine code after each spill or 
split.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117597 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:34:47 +00:00
Dan Gohman
24a492683c Revert r117582, which reverted r77396. Searching PATH for a string 
which contains slashes is inconsistent with the meaning of PATH on
Unix-type platforms, and pretty surprising.

If the user has given a specific path to execute and we can't
execute it, we should fail and say why.  (Apparently the new
posix_spawn code doesn't always say why, but that's a separate
issue.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:34:33 +00:00
Rafael Espindola
787c33718d Add support for the .string directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:02:27 +00:00
Devang Patel
bc2bb9bbd0 Do not work too hard to find type's file info. There is a special field to record file info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:50:08 +00:00
Rafael Espindola
1973d43792 Defined weak symbols should have non-zero value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117585 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:39:57 +00:00
Mikhail Glushenkov
9f36e7389f llvmc: Make ExecuteProgram() look in the driver directory first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117584 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:33:08 +00:00
Mikhail Glushenkov
8a5ff478db Remove an unnecessary check and an unnecessary temporary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:33:04 +00:00
Mikhail Glushenkov
c61c7549a8 Revert r77396. 
Original commit message:

    On "Unix", if Program::FindProgramByName is given a name containing
    slashes, just go with it, regardless of whether it looks like it will
    be executable. This follows the behavior of sh(1) more closely.

It's better when behaviour is consistent between platforms. This change also
makes FindExecutable() behave as expected on unix-likes (before this commit, it
used to always succeed).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117582 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:32:58 +00:00
Mikhail Glushenkov
7289d06e48 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:32:53 +00:00
Rafael Espindola
29129728f1 Fix relocations with renamed symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:08:03 +00:00
Benjamin Kramer
57ca3ccd45 Reduce malloc thrashing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117572 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 18:41:23 +00:00
Jim Grosbach
ab682a2090 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 18:34:10 +00:00
Rafael Espindola
f571f9a8fe Aliases defined with .symver should copy the binding of the symbols they alias. 
Move the existing patching for undefined symbols so that all the patching
is done in the same function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 18:33:03 +00:00
Devang Patel
3cabc9d2c9 Technically DIFile scope should also be handled here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 17:30:52 +00:00
Chris Lattner
c0ddfaa134 rearrange ParseRegisterList. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 17:23:41 +00:00