Bill Wendling
f1d6006ad6
Get rid of verboten <iostream> include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34777 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 06:05:39 +00:00
Dale Johannesen
b71aa2b6ca
Changes requested in review of last pass. Also pulled isThumb into a
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member, instead of resetting in every function that uses it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34764 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 23:20:38 +00:00
Evan Cheng
ad78ef2154
Doh. ARM::PC is obvious a reserved register.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34763 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 23:12:34 +00:00
Dale Johannesen
f1b214d3ca
Add intelligence about where to break large blocks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34755 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 18:41:23 +00:00
Evan Cheng
36230cdda4
Make requiresRegisterScavenging determination on a per MachineFunction basis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34711 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:59:19 +00:00
Evan Cheng
41a4d562f7
Temporary: make R12 available in ARM mode if RegScavenger is being used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34709 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:22:44 +00:00
Evan Cheng
1b051fc6a4
Start making use of RegScavenger.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34708 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:21:58 +00:00
Evan Cheng
5e6df4647e
PEI now passes a RegScavenger ptr to eliminateFrameIndex.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34707 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:21:17 +00:00
Evan Cheng
15991bf775
Minor tweak. Allocate r0 to r3 in reverse order, r3 is least likely to be livein to a function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34701 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 23:03:55 +00:00
Evan Cheng
5ef9226f30
Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve register kill info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34692 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:12:35 +00:00
Dale Johannesen
ce74de46dd
cosmetic changes from review of last patch. obvious
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34598 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 18:31:31 +00:00
Dale Johannesen
598270a68d
remove crediting of Evan Cheng and me.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34568 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 01:42:36 +00:00
Dale Johannesen
99c49a4b94
Removed WaterListOffset, inserted BBOffsets. Remove TODO item about this
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from README.
When no water available, use end of block if in range. (More to do here.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34563 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 00:47:03 +00:00
Lauro Ramos Venancio
acdfa445ac
bugfix: SP wasn't updated for varargs when frame pointer was eliminated.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34537 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 21:53:48 +00:00
Lauro Ramos Venancio
600c383e5c
Fix stack alignment in functions with varargs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34532 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 20:32:57 +00:00
Dale Johannesen
88e37ae366
rewrite of constant islands
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34523 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 05:02:36 +00:00
Evan Cheng
04321f70f5
Added -march=thumb; removed -enable-thumb.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34521 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 03:14:31 +00:00
Evan Cheng
ead7590581
Add option to turn on register scavenger; By default, spills kills the register being stored.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34514 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 01:09:11 +00:00
Jim Laskey
2ad9f17fee
Simplify lowering and selection of exception ops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34488 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 14:56:36 +00:00
Jim Laskey
62819f3144
Support to provide exception and selector registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34482 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:54:50 +00:00
Evan Cheng
b371f457b0
Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.
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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:
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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().
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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
d2b7cec527
Generalize TargetData strings, to support more interesting forms of data.
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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
Lauro Ramos Venancio
7501605988
Add space between // and the comment.
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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.
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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.
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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
Evan Cheng
e03cff6812
These vectors are frequently large. Use std::vector instead.
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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.
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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
Evan Cheng
bd8251a9a6
isLowRegister() expects input is a physical register.
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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.
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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.
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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.
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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.
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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
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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
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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.
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- 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.
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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.
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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.
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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.
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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.
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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.
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- 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
Evan Cheng
b38cba928e
ARM callseq_end should have a input flag operand so it would be scheduled right after the call.
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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.
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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
Evan Cheng
bd5d3dbdbe
- Branch max. displacement calculation bug.
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- 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.
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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.
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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.
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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.
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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