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18482 Commits

Author SHA1 Message Date
Chris Lattner
d1458f1d30 Fix a bug that prevented the JIT from working correctly after llvm_shutdown. 
Pass info objects are initialized by static ctors, so deleting them at
llvm_shutdown time prevents resurrection from working.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36292 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 00:12:18 +00:00
Chris Lattner
cd070759c4 Fix regressions introduced by my previous patch: opt calls verifier in a 
way that the "Mod" ivar was not getting set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36291 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 23:59:29 +00:00
Lauro Ramos Venancio
0d3b67809c Allow the lowering of ISD::GLOBAL_OFFSET_TABLE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36290 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 23:02:39 +00:00
Chris Lattner
108ec4b1ca avoid mutating a global in an accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36289 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 22:57:20 +00:00
Chris Lattner
f7e968a2a2 fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36288 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 22:40:40 +00:00
Jeff Cohen
09b362cee6 Comment out usage of write() for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36287 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 22:40:10 +00:00
Chris Lattner
2c639add5f rename JIT::state -> JIT::jitstate to avoid shadowing ExecutionEngine::state 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36286 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 22:40:05 +00:00
Chris Lattner
a5f5a9c8e2 Fix a problem where primitive types lose their name after llvm_shutdown is called. 
This also reduces the amount of work done at static construction time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36285 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 22:33:47 +00:00
Chris Lattner
19b6dcdfa9 catch a case that was biting jeffc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36284 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:48:08 +00:00
Lauro Ramos Venancio
b3a0417cad Implement "general dynamic", "initial exec" and "local exec" TLS models for 
X86 32 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:38:10 +00:00
Evan Cheng
ba647becb9 Specify S registers as D registers' sub-registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36280 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:20:10 +00:00
Evan Cheng
6120433e9e Specify sub-register relations. e.g. RAX: [EAX], EAX: [AX], AX: [AL,AH]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36279 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:15:21 +00:00
Evan Cheng
3cafbf7e5f Add sub-registers sets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36278 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:13:46 +00:00
Chris Lattner
93305bc462 add a crazy idea 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36273 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 20:18:43 +00:00
Devang Patel
58d7fbf250 Avoid recursion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36272 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 20:04:37 +00:00
Owen Anderson
df07335b46 Move more passes to using ETForest instead of DominatorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36271 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 06:27:13 +00:00
Jeff Cohen
5d4d7f1580 Make Microsoft assembler and linker happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36265 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 00:33:54 +00:00
Chris Lattner
3e1b03f98d Fix a message, patch by Christopher Lamb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36264 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-19 18:42:38 +00:00
Lauro Ramos Venancio
267bfb553e Fix a bug in getFrameRegister. 
Reported by Raul Herbster.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36262 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-19 14:09:38 +00:00
Zhou Sheng
843f0767ac Make use of ConstantInt::isZero instead of ConstantInt::isNullValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36261 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-19 05:39:12 +00:00
Zhou Sheng
223d65b651 Make the operations of APInt variables more efficient. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36260 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-19 05:35:00 +00:00
Evan Cheng
cc045d5df8 Revert Owen's last check-in. This is breaking Mac OS X / PPC llvm-gcc bootstrap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36258 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 22:39:00 +00:00
Dan Gohman
23420c09c0 Fix the spelling of the prefetchnta instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36256 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 14:09:14 +00:00
Owen Anderson
a65064bb3d Revert changes that caused breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36255 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 06:46:57 +00:00
Owen Anderson
325171eed8 Switch more uses of DominatorTree over to ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36254 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 05:43:13 +00:00
Owen Anderson
fb4b3d117f Use ETForest instead of DominatorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36252 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 05:25:43 +00:00
Evan Cheng
f44c72817e VarInfo::UsedBlocks is no longer used. Remove. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36250 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 05:04:38 +00:00
Owen Anderson
ca2563d2d8 Use ETForest instead of DominatorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 04:55:33 +00:00
Owen Anderson
ee6dcaf906 Use new ETForest accessor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36248 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 04:46:35 +00:00
Owen Anderson
26c37b1fdc Use ETForest instead of DominatorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36247 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 04:39:32 +00:00
Chris Lattner
61a4c072b9 allow SRL to simplify its operands, as it doesn't demand all bits as input. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 03:06:49 +00:00
Chris Lattner
ec06e9a670 When replacing a node in SimplifyDemandedBits, if the old node used any 
single-use nodes, they will be dead soon.  Make sure to remove them before
processing other nodes.  This implements CodeGen/X86/shl_elim.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36244 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 03:05:22 +00:00
Chris Lattner
0a16a1f738 fix a pasto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36242 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 03:01:40 +00:00
Evan Cheng
faf05bbaea Don't populate TryAgainList when coalescing only physical registers with virtual registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36240 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 02:30:19 +00:00
Devang Patel
5a713cc72f Cache DT[*SI] lookup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36239 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 01:19:55 +00:00
Chris Lattner
8dcd2f1a5b don't access argument list of prototypes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36238 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 00:57:22 +00:00
Devang Patel
7cc6dcf6e0 Fix 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070416/047971.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36236 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 00:53:01 +00:00
Evan Cheng
3fefc182a0 Increment use count of new virtuals created during PHI elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36233 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 00:36:11 +00:00
Chris Lattner
b1b2f0bc44 Be more careful when inserting reused instructions. This fixes CodeGen/Generic/2007-04-17-lsr-crash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36231 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 23:43:50 +00:00
Evan Cheng
7be6368cac Oops. Didn't mean to check in a quick hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36227 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 23:33:39 +00:00
Chris Lattner
8c7d2d56bf Fix a bug in my previous patch, grabbing the shift amount width from the 
wrong operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36223 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 22:53:02 +00:00
Chris Lattner
120fba91a3 dag combiner just got better at pruning bits. This fixes CodeGen/ARM/rev.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36222 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 22:39:58 +00:00
Chris Lattner
895c4ab564 Fold (x << c1)>> c2 into a single shift if the bits shifted out aren't used. 
This compiles:
int baz(long long a) { return (short)(((int)(a >>24)) >> 9); }

into:
_baz:
        srwi r2, r3, 1
        extsh r3, r2
        blr

on PPC, instead of:
_baz:
        slwi r2, r3, 8
        srwi r2, r2, 9
        extsh r3, r2
        blr

GCC produces:
_baz:
        srwi r10,r4,24
        insrwi r10,r3,24,0
        srawi r9,r3,24
        srawi r3,r10,9
        extsh r3,r3
        blr

This implements CodeGen/PowerPC/shl_elim.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36221 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 21:14:16 +00:00
Evan Cheng
20b0abc24f Copy coalescing change to prevent a physical register from being pin to a 
long live interval that has low usage density.
1. Change order of coalescing to join physical registers with virtual
   registers first before virtual register intervals become too long.
2. Check size and usage density to determine if it's worthwhile to join.
3. If joining is aborted, assign virtual register live interval allocation
   preference field to the physical register.
4. Register allocator should try to allocate to the preferred register
   first (if available) to create identify moves that can be eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36218 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 20:32:26 +00:00
Evan Cheng
e52eef8e9a Add a register allocation preference field; add a method to compute size of a live interval. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36216 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 20:25:11 +00:00
Evan Cheng
eff03db46d Change getAllocatableSet() so it returns allocatable registers for a specific register class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36215 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 20:23:34 +00:00
Evan Cheng
38b7ca6651 Keep track of number of uses within the function per virtual register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36214 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 20:22:11 +00:00
Anton Korobeynikov
e060b5385f Add comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36213 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 19:34:00 +00:00
Chris Lattner
95a5e0507e SIGN_EXTEND_INREG does not demand its top bits. Give SimplifyDemandedBits 
a chance to hack on it.  This compiles:

int baz(long long a) { return (short)(((int)(a >>24)) >> 9); }

into:
_baz:
        slwi r2, r3, 8
        srwi r2, r2, 9
        extsh r3, r2
        blr

instead of:

_baz:
        srwi r2, r4, 24
        rlwimi r2, r3, 8, 0, 23
        srwi r2, r2, 9
        extsh r3, r2
        blr

This implements CodeGen/PowerPC/sign_ext_inreg1.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36212 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 19:03:21 +00:00
Dan Gohman
747603e39e Spell doFinalization right, so that it is a proper virtual override and 
gets called.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36208 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 18:21:36 +00:00