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c0c5a26dea
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1042 Commits

Author SHA1 Message Date
Devang Patel
c0c5a26dea Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104302 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 00:10:20 +00:00
Devang Patel
ee43286ca9 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 19:57:06 +00:00
Devang Patel
26c1e56f13 Split DbgVariable. Eventually, variable info will be communicated through frame index, or DBG_VALUE instruction, or collection of DBG_VALUE instructions. Plus each DbgVariable may not need a label. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 16:36:41 +00:00
Eric Christopher
c1a887d76d Partial code for emitting thread local bss data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 00:49:07 +00:00
Devang Patel
461a646a03 Revert r104165. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 21:58:28 +00:00
Devang Patel
f4ccaeaef9 There is no need to maintain InsnsBeginScopeSet separately. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 21:26:53 +00:00
Devang Patel
26c6995654 Do not forget to mark prcessed arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 21:55:50 +00:00
Bill Wendling
b92187a410 Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what 
the variable actually tracks.

N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 21:14:32 +00:00
Devang Patel
98e1cac52c Add support to preserve type info for the variables that are removed by the optimizer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 21:01:35 +00:00
Daniel Dunbar
d11d59e35a Inline Asm: Ensure buffer is newline terminated to match how the text is printed. 
- This is a hack, but I can't decide the best place to handle this. Chris?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103765 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 04:31:50 +00:00
Duncan Sands
5b1b3b73f2 Remove unused variable. Tweak a comment while there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 07:11:33 +00:00
Nathan Jeffords
871bb94c43 updated support for the COFF .linkonce 
Now, the .linkonce directive is emitted as part of MCSectionCOFF::PrintSwitchToSection instead of AsmPrinter::EmitLinkage since it is an attribute of the section the symbol was placed into not the symbol itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103568 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 04:26:09 +00:00
Devang Patel
163a9f7c5f Enable multiple Compile Units in one module. 
This means now 'llvm-ld a.bc b.bc' will preserve debug info appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 22:49:55 +00:00
Devang Patel
c665a5146d Instead of just verifying compile unit, verify entire type, variable, namespace etc.. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103327 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:33:41 +00:00
Devang Patel
a49d877290 Remove DIGlobal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:19:07 +00:00
Devang Patel
9c00487dc3 Verify entire type descriptor not just tag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:45:47 +00:00
Devang Patel
e9f8f5e600 Wrap const MDNode * inside DIDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103295 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 20:54:48 +00:00
Devang Patel
2db49d797b Avoid DIDescriptor::getNode(). Use overloaded operators instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 18:11:54 +00:00
Dan Gohman
281d65d004 Disable the new unknown-location code for now. It causes a major 
increase in the debug line info section, and it's causing
regressions in a gdb testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:08:53 +00:00
Dan Gohman
7539584781 Update LabelsBeforeInsn also, when creating unknown-position labels. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-06 00:29:41 +00:00
Chris Lattner
b4202dbb36 Fix PR7054 - Assertion `Symbol->isUndefined() && "Cannot define a symbol twice!"' failed. 
Users can write broken code that emits the same label twice with asm renaming,
detect this and emit a fatal backend error instead of aborting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-06 00:05:37 +00:00
Dan Gohman
1cc0d62855 Emit debug info for MachineInstrs with unknown debug locations, instead 
of just letting them inherit the debug locations of adjacent instructions.

Debug info should aim to be either accurate or absent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-05 23:41:32 +00:00
Devang Patel
9c488376ef Set DW_AT_APPLE_omit_frame_ptr in endFunction() where MachineFunction is available all the time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-04 06:15:30 +00:00
Dale Johannesen
d014761c93 Don't count debug info as instructions. This was 
preventing the emission of the NOP on Darwin for a
function with no actual code.  From timberwolfmc
with TEST=optllcdbg.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 16:41:11 +00:00
Devang Patel
ccff812777 Attach AT_APPLE_optimized attribute to optimized function's debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:38:23 +00:00
Devang Patel
67a444ca36 Print variable scope name in DEBUG_VALUE comment. Useful in some cases. e.g. 
##DEBUG_VALUE: runOnMachineFunction:this <- RDI+0
	##DEBUG_VALUE: runOnMachineFunction:fn <- RSI+0
	##DEBUG_VALUE: DeadDefs <- undef ## SimpleRegisterCoalescing.cpp:2706
	##DEBUG_VALUE: getRegInfo:this <- [%rsp+$56]+$0
	##DEBUG_VALUE: getTarget:this <- [%rsp+$56]+$0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-29 18:52:10 +00:00
Chris Lattner
e87f7bb50e Rework global alignment computation again. Now we do round up 
alignment of globals to the preferred alignment, but only when
there is no section specified on the global (by far the common
case).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 19:58:07 +00:00
Devang Patel
28ff35d030 Emit debug info for byval parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102486 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 01:39:28 +00:00
Chris Lattner
a7b611c10d further simplify EmitAlignment by eliminating the 
ForcedAlignBits argument, tweaking the single client of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102484 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 01:08:40 +00:00
Chris Lattner
755824756c remove a dead argument to EmitAlignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 01:06:02 +00:00
Chris Lattner
059ea138a6 remove some default arguments to EmitAlignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102482 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 01:05:45 +00:00
Devang Patel
a43098d388 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 01:03:09 +00:00
Devang Patel
97303ee27d Use isReg(), isImm() and isFPImm(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 22:04:41 +00:00
Devang Patel
dcde3db38e Check operand type first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 21:49:04 +00:00
Devang Patel
0f9d952542 Ignore DBG_VALUE instructions that points to undef values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 20:54:45 +00:00
Devang Patel
eac9c07fde Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
This patch fixes bug (PR6894) introduced by previous version of this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 19:46:33 +00:00
Evan Cheng
ed33b13a10 Do not count kill, implicit_def instructions as printed instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 19:38:45 +00:00
Chris Lattner
4c4d0c0cc5 round zero-byte .zerofill directives up to 1 byte. This 
should fix some "g++.dg-struct-layout-1" failures, 
rdar://7886017


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 07:41:44 +00:00
Chris Lattner
d61647d306 add a comment in verbose-asm mode indicating why a noop is being generated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 23:41:43 +00:00
Chris Lattner
ee9eb411ff on darwin empty functions need to codegen into something of non-zero length, 
otherwise labels get incorrectly merged.  We handled this by emitting a 
".byte 0", but this isn't correct on thumb/arm targets where the text segment
needs to be a multiple of 2/4 bytes.  Handle this by emitting a noop.  This
is more gross than it should be because arm/ppc are not fully mc'ized yet.

This fixes rdar://7908505



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 23:37:21 +00:00
Devang Patel
5098da0a7e Use DW_AT_entry_pc instead of DW_AT_low_pc/DW_AT_high_pc pair. This simplifies debug range entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 22:54:28 +00:00
Chris Lattner
567dd1f5d0 fix PR6921 a different way. Intead of increasing the 
alignment of globals with a specified alignment, we fix
common variables to obey their alignment.  Add a comment
explaining why this behavior is important.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102365 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:46:46 +00:00
Chris Lattner
f74e25f60c Revert r102300/102301, which serious broke objc apps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102359 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:30:45 +00:00
Chris Lattner
044698b39a Fix PR6921: globals were not getting correctly rounded up to their 
preferred alignment unless they were common or some other special
case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102300 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-25 05:30:43 +00:00
Dan Gohman
314bf7cbbf Revert 102135, 102129, 102127, 102106, 102104, 102102, 102012, 102004, 
because 102004 causes codegen to emit invalid assembly on at least
x86_64-unknown-gnu-linux.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 01:18:53 +00:00
Devang Patel
c04d54527e Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:56:35 +00:00
Devang Patel
18ee3bb0b7 Adjust debug range offsets for isWeakForLinker() functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:52:00 +00:00
Devang Patel
f1dabde404 Rename InsnAfterLabelMap and InsnBeforeLabelMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:43:35 +00:00
Devang Patel
3547a88b50 Keep track of MCSymbol used to mark beginning of a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:39:21 +00:00
Devang Patel
bc655eaee0 At this point Start and End are not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:28:58 +00:00