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33037 Commits

Author SHA1 Message Date
Daniel Dunbar
2685a29a8d Wire up the ARM MCInst printer, for llvm-mc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84600 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 05:15:36 +00:00
Dan Gohman
07adb85cb7 Re-apply r84295, with fixes to how the loop "top" and "bottom" blocks are 
tracked. Instead of trying to manually keep track of these locations
while doing complex modifications, just recompute them when they're needed.
This fixes a bug in which the TopMBB and BotMBB were not correctly updated,
leading to invalid transformations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 04:50:37 +00:00
Evan Cheng
5f4fb86d58 Trim unnecessary includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84597 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 04:23:20 +00:00
Dan Gohman
81b16a3558 Add getTopBlock and getBottomBlock member functions to MachineLoopInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84596 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 04:16:37 +00:00
Jim Grosbach
8fa4efeabf Now that all ARM subtargets use frame index scavenging, the Thumb1 requires* 
functions are not needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84587 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 01:32:47 +00:00
Evan Cheng
0222a8cfb8 If the physical register being spilled does not have an interval, spill its sub-registers instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 01:31:09 +00:00
Jim Grosbach
7e831db1d4 Enable post-pass frame index register scavenging for ARM and Thumb2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84585 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 01:26:58 +00:00
Chris Lattner
161dcbf799 lower ARM::MOVi32imm properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84583 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 01:11:37 +00:00
Chris Lattner
292df8eb1f add support for external symbols. The mc instprinter can now handle 
reasonable code like Codegen/ARM/2009-02-27-SpillerBug.ll, producing 
identical output except for superior formatting of constant pool entries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84582 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:56:16 +00:00
Chris Lattner
96bc2173bb get fancy: support basic block operands. Yay for jumps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84579 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:52:47 +00:00
Chris Lattner
233917c072 add supprort for the 'sbit' operand, MOVi apparently has one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84577 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:46:11 +00:00
Chris Lattner
413ae25fb5 add support for instruction predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:42:49 +00:00
Chris Lattner
017d9478d5 implement printSORegOperand, add lowering for the nasty and despicable MOVi2pieces :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:40:56 +00:00
Jim Grosbach
1fc1dc0682 Refs: A8-598. 
Leave Inst{11-8}, which represents the starting byte index of the extracted
result in the concatenation of the operands and is left unspecified.

Patch by Johnny Chen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84572 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:38:19 +00:00
Jim Grosbach
780d207d1c Add missing encoding bits to NLdSt class of instructions. 
Patch by Johnny Chen.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84570 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 00:19:08 +00:00
Chris Lattner
af0df67d2b X86 should ignore implicit regs when lowering to MCInst also, 
no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84567 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 23:35:57 +00:00
Chris Lattner
306d14f9aa handle addmode4 modifiers, fix a fixme in printRegisterList 
by ignoring all implicit regs when lowering.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84566 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 23:31:43 +00:00
Chris Lattner
84d8bf9d28 simplify by using the twine form of GetOrCreateSymbol 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84565 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 23:05:23 +00:00
Jim Grosbach
6009751244 Enable allocation of R3 in Thumb1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84563 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:57:03 +00:00
Chris Lattner
5a207897bc use EmitLabel instead of text emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84562 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:51:16 +00:00
Chris Lattner
7c5b021793 add a twine version of MCContext::GetOrCreateSymbol. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84561 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:49:00 +00:00
Chris Lattner
a70e644820 lower the ARM::CONSTPOOL_ENTRY pseudo op, giving us constant pool entries 
like:

@ BB#1:
	.align	2
LCPI1_0:
	.long	L_.str-(LPC0+8)

Note that proper indentation of the label :)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:33:05 +00:00
Jim Grosbach
d482f55af1 Adjust the scavenge register spilling to allow the target to choose an 
appropriate restore location for the spill as well as perform the actual
save and restore.

The Thumb1 target uses this to make sure R12 is not clobbered while a spilled
scavenger register is live there.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84554 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:27:30 +00:00
Chris Lattner
4d15222341 add MCInstLower support for lowering ARM::PICADD, a pseudo op for pic stuffola. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:23:04 +00:00
Owen Anderson
d41ed4e2c4 Refactor lookup_or_add to contain _MUCH_ less duplicated code. Add support for 
numbering first class aggregate instructions while we're at it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84547 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:14:22 +00:00
Chris Lattner
e306d8d6cc add register list and hacked up addrmode #4 support, we now get this: 
_main:
	stmsp! sp!, {r7, lr}
	mov r7, sp
	sub sp, sp, #4
	mov r0, #0
	str r0, [sp]
	ldr r0, LCPI1_0
	bl _printf
	ldr r0, [sp]
	mov sp, r7
	ldmsp! sp!, {r7, pc}

Note the unhappy ldm/stm because of modifiers being ignored.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84546 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:09:23 +00:00
Chris Lattner
3310a963cf revert r84540, fixing build breakage I didn't see because of 
broken makefile deps :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84544 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:59:25 +00:00
Chris Lattner
084f87d445 add addrmode2 support, getting us up to: 
_main:
	stm , 
	mov r7, sp
	sub sp, sp, #4
	mov r0, #0
	str r0, [sp]
	ldr r0, LCPI1_0
	bl _printf
	ldr r0, [sp]
	mov sp, r7
	ldm , 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84543 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:57:05 +00:00
Chris Lattner
6f99776f6c add jump tables, constant pools and some trivial global 
lowering stuff.  We can now compile hello world to:

_main:
	stm , 
	mov r7, sp
	sub sp, sp, #4
	mov r0, #0
	str r0, 
	ldr r0, 
	bl _printf
	ldr r0, 
	mov sp, r7
	ldm , 

Almost looks like arm code :)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:53:00 +00:00
Victor Hernandez
93bb60d379 Malloc calls are marked NoAlias, so the code below the isMalloc() check makes it redundant. Removing the isMalloc() check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:47:22 +00:00
Chris Lattner
83e43ca1b6 pass mangler in as a reference instead of a pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84540 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:45:31 +00:00
Chris Lattner
8514e21deb reduce #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84536 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:23:15 +00:00
Chris Lattner
61d35c273e add printing support for SOImm operands, getting us to: 
_main:
	stm , 
	mov r7, sp
	sub sp, sp, #4
	mov r0, #0
	str r0, 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84535 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:21:39 +00:00
Owen Anderson
158d86e5b0 Simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84533 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 21:14:57 +00:00
Chris Lattner
8bc86cba60 wire up some basic printOperand goodness, giving us stuff like this before 
we abort:

_main:
	stm , 
	mov r7, sp
	sub sp, sp, 
	mov r0, 
	str r0, 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84532 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 20:59:55 +00:00
Chris Lattner
9cf0eb5e58 add the files that go with the previous rev 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 20:21:05 +00:00
Chris Lattner
97f0693744 wire up skeletal support for having llc print instructions 
through mcinst lowering -> mcinstprinter, when llc is passed
the -enable-arm-mcinst-printer flag.  Currently this
is very "aborty".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84530 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 20:20:46 +00:00
Owen Anderson
59d5aac0b4 Banish ConstantsLock. It's serving no purpose other than slowing things down 
at the moment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84529 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 20:11:52 +00:00
Chris Lattner
6a71afaec1 wire up ARM's printMCInst method. Now llvm-mc should be able to produce 
"something" when printing MCInsts, it will just be missing all the 
operand info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84528 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 19:59:05 +00:00
Chris Lattner
fd60382e75 stub out a minimal ARMInstPrinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84527 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 19:56:26 +00:00
Chris Lattner
172862a2a7 remove strings from instructions who are never asmprinted. 
All of these "subreg32" modifier instructions are handled
explicitly by the MCInst lowering phase.  If they got to
the asmprinter, they would explode.  They should eventually
be replace with correct use of subregs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84526 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 19:51:42 +00:00
Jeffrey Yasskin
ebbcef945d Clean up the JITResolver stub/callsite<->function maps. 
The JITResolver maps Functions to their canonical stubs and all callsites for
lazily-compiled functions to their target Functions. To make Function
destruction work, I'm going to need to remove all callsites on destruction, so
this patch also adds the reverse mapping for that.

There was an incorrect assumption in here that the only stub for a function
would be the one caused by needing to lazily compile it, while x86-64 far calls
and dlsym-stubs could also cause such stubs, but I didn't look for a test case
that the assumption broke.

This also adds DenseMapInfo<AssertingVH> so I can use DenseMaps instead of
std::maps.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:49:59 +00:00
Chris Lattner
b8f64a72d8 simplify code, reducing string thrashing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:49:14 +00:00
Chris Lattner
e4d9ea83c0 switch hidden gv stubs to use MachineModuleInfoMachO instead of a custom map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84520 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:44:38 +00:00
Chris Lattner
b0f294c14b use MachineModuleInfoMachO for non-lazy gv stubs instead of a private map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84519 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:38:33 +00:00
Anton Korobeynikov
766fc1db16 Revert r84295, this unbreaks llvm-gcc bootstrap on x86-64/linux 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:21:09 +00:00
Chris Lattner
ee8b32981e remove dead map 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84513 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:11:25 +00:00
Chris Lattner
a10343f039 don't bother trying to avoid emitting redundant constant pool alignment directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:08:02 +00:00
Chris Lattner
fc5451e82f remove accidental comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:03:41 +00:00
Chris Lattner
74cd3b7ceb emit .subsections_via_symbols through MCStreamer instead of textually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84509 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:03:08 +00:00