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3994 Commits

Author SHA1 Message Date
Evan Cheng
3e20bba5eb Avoid issue on 64-bit hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41143 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-17 18:02:22 +00:00
David Greene
fd273b6ed5 Fix GLIBCXX_DEBUG error of comparing two singular iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41139 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-17 15:13:55 +00:00
Evan Cheng
61bbbabe3d If dynamic_stackalloc alignment is > stack alignment, first issue an instruction to align the stack ptr before the decrement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41133 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 23:50:06 +00:00
Evan Cheng
4515779fa3 - If a dynamic_stackalloc alignment requirement is <= stack alignment, then the alignment argument is ignored. 
- *Always* round up the size of the allocation to multiples of stack
alignment to ensure the stack ptr is never left in an invalid state after a dynamic_stackalloc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41132 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 23:46:29 +00:00
Evan Cheng
bc165e436b Fix some kill info update bugs; add hidden option -disable-rematerialization to turn off remat for debugging. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41118 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 07:24:22 +00:00
Lauro Ramos Venancio
c90f08936d Implement FPOWI ExpandOp. 
Fix PR1287.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41112 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-15 22:13:27 +00:00
Evan Cheng
90a43c3ae3 If the source of a move is in spill slot, the reload may be folded to essentially a load from stack slot. It's ok to mark the stack slot value as available for reuse. But it should not be clobbered since the destination of the move is live. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41109 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-15 20:20:34 +00:00
Evan Cheng
b6ca4b370e - If a def is dead, do not spill it. 
- If the defs of a spilled rematerializable MI are dead after the spill store is deleted, delete
  the def MI as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41086 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 23:25:37 +00:00
Evan Cheng
dc5294fd83 Fix for PR1596: AdjustCopiesBackFrom() should conservatively check if any of its sub-registers may overlap with the interval of the copy that's being coalesced. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41084 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 23:19:28 +00:00
Evan Cheng
c91f0b8068 If a MI's def is remat as well as spilled, and the store is later deemed dead, mark the def operand as isDead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41083 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 20:23:13 +00:00
Evan Cheng
fff3e191b9 If a spilled value is being reused and the use is a kill, that means there are 
no more uses within the MBB and the spilled value isn't live out of the MBB.
Then it's safe to delete the spill store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41069 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 09:11:18 +00:00
Evan Cheng
dc6be19859 If a rematerializable def is not deleted, i.e. it is also spilled, check if the 
spilled value is available for reuse.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41067 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 05:42:54 +00:00
Evan Cheng
430a7b0c94 Kill info update bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41064 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 01:56:58 +00:00
Evan Cheng
549f27d307 Re-implement trivial rematerialization. This allows def MIs whose live intervals that are coalesced to be rematerialized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41060 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-13 23:45:17 +00:00
Evan Cheng
6047dd9280 Kill info update bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41043 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-13 07:12:23 +00:00
Evan Cheng
ccb36a4f1b No need to remove dead range from soon-to-be-dead live interval. Its val# may be out of whack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41024 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-12 01:26:19 +00:00
Evan Cheng
4f8ff168de Code to maintain kill information during register coalescing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41016 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-11 00:59:19 +00:00
Christopher Lamb
8b165731bc Move isSubRegOf into MRegisterInfo. Fix a missed move elimination in LowerSubregs and add more debugging output there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41005 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 21:11:55 +00:00
Dan Gohman
25ac7e8364 Fix EXTRACT_ELEMENT, EXTRACT_SUBVECTOR, and EXTRACT_VECTOR_ELT to 
use an intptr ValueType instead of i32 for the index operand in
getCopyToParts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40987 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 14:59:38 +00:00
Rafael Espindola
594d37e21a propagate struct size and alignment of byval arguments to the DAG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 14:44:42 +00:00
Chris Lattner
b31e91cb16 unbreak the build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40976 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 23:55:17 +00:00
Evan Cheng
a86e347f02 Bug fix. ~1U marks the val# dead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40975 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 23:14:39 +00:00
Dale Johannesen
ab081c7195 Update per review comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40965 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 17:27:48 +00:00
Dale Johannesen
5411a3937f long double 9 of N. This finishes up the X86-32 bits 
(constants are still not handled).  Adds ConvertActions
to control fp-to-fp conversions (these are currently
defaulted for all other targets, so no changes there).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 01:04:01 +00:00
Scott Michel
c1513d24ea If a target really needs to custom lower constants, it should be allowed 
to do so.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40955 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 23:23:31 +00:00
Evan Cheng
24c2e5cf7e Adding kill info to val#. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40925 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 07:03:29 +00:00
Evan Cheng
a141cfe5b2 Clean up and bug fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40921 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 05:56:18 +00:00
Evan Cheng
8df786012d - Each val# can have multiple kills. 
- Fix some minor bugs related to special markers on val# def. ~0U means
  undefined, ~1U means dead val#.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40916 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 03:00:28 +00:00
Evan Cheng
51cbf3c980 Remove a dead assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40914 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 01:00:21 +00:00
Evan Cheng
a8d94f1315 - LiveInterval value#'s now have 3 components: def instruction #, 
kill instruction #, and source register number (iff the value# is defined by a
copy).
- Now def instruction # is set for every value#, not just for copy defined ones.
- Update some outdated code related inactive live ranges.
- Kill info not yet set. That's next patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 23:49:57 +00:00
David Greene
7e23146ab9 Add a missing forward declaration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40896 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 16:34:05 +00:00
Chris Lattner
914ce4508d Fix a regression compiling 2005-05-11-Popcount-ffs-fls with the CBE, 
introduced by chandler's patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40864 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 16:36:18 +00:00
Christopher Lamb
98363225a3 Implement review feedback. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40863 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 16:33:56 +00:00
Reid Spencer
181b6c9cb5 Fix minor doxygen nits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40854 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 20:06:04 +00:00
Chris Lattner
e76fad2ceb shorten this name 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40843 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 18:45:33 +00:00
Chandler Carruth
6994040a95 This is the patch to provide clean intrinsic function overloading support in LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future. 
This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40807 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-04 01:51:18 +00:00
Dan Gohman
61e729e2e9 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40757 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 21:21:54 +00:00
Chris Lattner
b15e49597f don't redefine a parameter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40748 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 18:08:16 +00:00
Evan Cheng
33d5595d66 Do not emit copies for physical register output if it's not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 05:29:38 +00:00
Scott Michel
335f4f7788 Style police: Expand the tabs to spaces! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40712 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 02:22:46 +00:00
Evan Cheng
8409747efa Instead of adding copyfromreg's to handle physical definitions. Now isel can 
simply specify them as results and let scheduledag handle them. That
is, instead of
SDOperand Flag = DAG.getTargetNode(Opc, MVT::i32, MVT::Flag, ...)
SDOperand Result = DAG.getCopyFromReg(Chain, X86::EAX, MVT::i32, Flag)

Just write:
SDOperand Result = DAG.getTargetNode(Opc, MVT::i32, MVT::i32, ...)

And let scheduledag emit the move from X86::EAX to a virtual register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 00:28:15 +00:00
Evan Cheng
21b3bf0650 Bugs: missing partial uses and redundant partial defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40688 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:18:21 +00:00
Lauro Ramos Venancio
f3c13c82e3 Expand unaligned loads/stores when the target doesn't support them. (PR1548) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40682 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 19:34:21 +00:00
David Greene
52eec54820 New CallInst interface to address GLIBCXX_DEBUG errors caused by 
indexing an empty std::vector.

Updates to all clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 03:43:44 +00:00
Evan Cheng
3b1f55ea24 simpleregistercoalescing -> regcoalescing. It's too long for me to handle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 22:37:44 +00:00
Scott Michel
910b66d8d6 - Allow custom lowering for CTPOP, CTTZ, CTLZ. 
- Fixed an existing unexpanded tab.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40605 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 21:00:31 +00:00
Dan Gohman
be444ed6db Fix a bug in getCopyFromParts turned up in the testcase for PR1132. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40598 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 19:09:17 +00:00
Dan Gohman
286d56935c Print a space between the comment character and the basic block name, 
for prettiness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40593 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 15:06:25 +00:00
Duncan Sands
36397f5034 Support for trampolines, except for X86 codegen which is 
still under discussion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40549 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 12:58:54 +00:00
Christopher Lamb
ada779fb11 Move subreg lowering pass to be right after regalloc, per feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40548 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 07:36:14 +00:00