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794fd75c67
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1317 Commits

Author SHA1 Message Date
Devang Patel
794fd75c67 Do not use typeinfo to identify pass in pass manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 21:15:47 +00:00
Evan Cheng
a09f0d4ab7 Pass call frame setup SP adjustment along to eliminateFrameIndex(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36624 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 08:59:18 +00:00
Nate Begeman
7bf1c272ab llvm bug #1350, parts 1, 2, and 3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36618 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 05:57:02 +00:00
Christopher Lamb
5443779d5a Implement review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36603 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 23:54:10 +00:00
Christopher Lamb
99eaef9b06 Header file for ELF relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 20:41:08 +00:00
Chris Lattner
bb58b9c3c0 add a way to make this less brittle 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36528 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-28 05:38:52 +00:00
Jeff Cohen
b35417c607 Fix prolific source of 'possible loss of data' warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36507 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-27 14:43:05 +00:00
Evan Cheng
faa510726f Rename findRegisterUseOperand to findRegisterUseOperandIdx to avoid confusion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36483 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-26 19:00:32 +00:00
Evan Cheng
05350288a6 Be careful when to add implicit kill / dead operands. Don't add them during / post reg-allocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36458 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-26 01:40:09 +00:00
Evan Cheng
505e5510a2 Change UsedPhysRegs from array bool to BitVector to save some space. Setting / getting its states now go through MachineFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36451 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 22:10:09 +00:00
Evan Cheng
e96f50142e Data structure change to improve compile time (especially in debug mode). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36447 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 19:34:00 +00:00
Anton Korobeynikov
8b0a8c84da Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part 
will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36435 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 14:27:10 +00:00
Evan Cheng
24a3cc4c83 Fix for PR1306. 
- A register def / use now implicitly affects sub-register liveness but does
not affect liveness information of super-registers.
- Def of a larger register (if followed by a use later) is treated as
read/mod/write of a smaller register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36434 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 07:30:23 +00:00
Evan Cheng
cdee1c4272 Minor speed tweak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36432 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 07:24:13 +00:00
Chris Lattner
e47b1446d8 support for >4G frames 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36424 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 04:29:06 +00:00
Chris Lattner
a401b1e1c5 support > 4G stack objects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36422 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 04:20:54 +00:00
Chris Lattner
be7d83ec0e allow 64-bit stack objects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 04:07:31 +00:00
Christopher Lamb
df1349546f Fix bug in isFloatingPoint() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36381 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-23 22:50:40 +00:00
Christopher Lamb
95c218a83e PR400 phase 2. Propagate attributed load/store information through DAGs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-22 23:15:30 +00:00
Lauro Ramos Venancio
2c5c111b6c X86 TLS: Implement review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 20:56:26 +00:00
Reid Spencer
c67bdc288a Revert Christopher Lamb's load/store alignment changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 18:36:27 +00:00
Jeff Cohen
8f192e0ee0 Make enum-valued bitfield large enough to avoid interpretation as negative values in VC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36304 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 16:29:37 +00:00
Christopher Lamb
2330e4d4c4 add support for alignment attributes on load/store instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36301 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 08:16:25 +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
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
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
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
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
57fc00d5cf Implemented correct stack probing on mingw/cygwin for dynamic alloca's. 
Also, fixed static case in presence of eax livin. This fixes PR331

PS: Why don't we still have push/pop instructions? :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36195 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 09:20:00 +00:00
Anton Korobeynikov
4198c58c71 Next stage into switch lowering refactoring 
1. Fix some bugs in the jump table lowering threshold
2. Implement much better metric for optimal pivot selection
3. Tune thresholds for different lowering methods
4. Implement shift-and trick for lowering small (<machine word
length) cases with few destinations. Good testcase will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35816 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 12:31:58 +00:00
Anton Korobeynikov
5502bf67cd Properly emit range comparisons for switch cases, where neighbour cases 
go to the same destination. Now we're producing really good code for
switch-lower-feature.ll testcase


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-04 21:14:49 +00:00
Evan Cheng
a96c5b3040 Add isFixedObjectIndex. It returns true if the stack slot index is for a fixed stack object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35659 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-04 07:38:25 +00:00
Evan Cheng
bcfd4665b5 Ugh. Copy coalescer does not update register numbers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35600 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-02 18:49:18 +00:00
Reid Spencer
ded5ed873f For PR1297: 
Intrinsic functions might need to be generated (if they are overloaded) so
returning a const char* is no longer possible. Change getOperationName to
return a std::string instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35543 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-01 07:28:37 +00:00
Reid Spencer
86a5a368f8 For PR1297: 
Add an "iAny" ValueType as a place holder for an integer type of any
bit width. This is used for intrinsics overloading on integer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35538 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-01 07:17:45 +00:00
Chris Lattner
2df6dc579c add a method to turn a type into a VT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35526 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-31 04:03:02 +00:00
Evan Cheng
32eb1f1ca4 Change findRegisterUseOperand() to return operand index instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35363 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:37:45 +00:00
Dale Johannesen
c6b9ef80a8 Fix reversed logic in getRegsUsed. Rename RegStates to RegsAvailable to 
hopefully forestall similar errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35362 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:23:54 +00:00
Anton Korobeynikov
3a84b9baf6 First step of switch lowering refactoring: perform worklist-driven 
strategy, emit JT's where possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 15:07:15 +00:00
Chris Lattner
0d3988f408 add a valuetype for v1i64, which is needed by mmx. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 17:36:26 +00:00
Dan Gohman
423c2260f9 Add the 'explicit' keyword to several constructors that accept one 
argument that don't appear intended as implicit-conversion operators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35280 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 18:44:11 +00:00
Dale Johannesen
69cb9b78f1 maintain LiveIn when splitting blocks (register scavenging needs it) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35226 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 21:35:06 +00:00
Evan Cheng
2638e1a6b9 First cut trivial re-materialization support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35208 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 08:13:50 +00:00
Evan Cheng
7e79e396a4 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35139 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 03:26:04 +00:00
Evan Cheng
c6a2410d58 Track the BB's where each virtual register is used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35135 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 09:29:54 +00:00
Anton Korobeynikov
d0b82b301d Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35008 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-07 16:25:09 +00:00
Evan Cheng
02c50e4891 Add a utility function to test whether a load is unindexed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35004 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-07 08:04:41 +00:00
Evan Cheng
f262b35559 Add skipTo to set internal iterator. Useful when pointed to instruction is deleted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34997 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-07 02:36:16 +00:00
Evan Cheng
b74a3e6fda Register scavenger is now capable of scavenging. It spills a register whose use of furthest away to make it available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34964 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 10:01:25 +00:00