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1058 Commits

Author SHA1 Message Date
Chris Lattner
9fb6cf1d82 Add checks to ensure that there are no unreachable blocks in the function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14725 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-09 16:44:37 +00:00
Misha Brukman
ce22e76996 * Doxygenify comments 
* Fix spacing, grammar in comment
* Make code layout consistent
* Wrap code at 80 cols
* Delete spurious blank lines

No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14721 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-09 14:45:17 +00:00
Alkis Evlogimenos
80b27ced2d Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14720 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-09 11:25:27 +00:00
Alkis Evlogimenos
607baea7d2 Improve code comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14719 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-09 11:10:00 +00:00
Alkis Evlogimenos
71bf404e9b Add viewCFG() and viewCFGOnly() APIs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14679 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-08 00:47:58 +00:00
Alkis Evlogimenos
3877652e68 Disable coalescing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14655 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-07 02:03:12 +00:00
Alkis Evlogimenos
5de868b0b2 Do not crash when joining two intervals of registers of different 
classes: just ignore that move. Thanks to Vladimir Prus who found the
bug!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14644 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-06 16:03:21 +00:00
Chris Lattner
7f0566c123 Fix a bug in the unreachable block elim pass. Dropping all references on a 
basic block clear()'s all of the operands lists, including phis.  This
caused removePredecessor to get confused later.  Because of this, we just
nuke (without prejudice) PHI nodes in unreachable blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14635 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-06 06:36:11 +00:00
Alkis Evlogimenos
c156095b17 Correctly compute the ration of iterations/#intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14626 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-04 17:23:35 +00:00
Reid Spencer
954da37bb4 Add #include <iostream> since Value.h does not #include it any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14622 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-04 12:19:56 +00:00
Alkis Evlogimenos
d55b2b1067 Add efficiency statistic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14590 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-04 07:59:06 +00:00
Chris Lattner
230b4fb8a0 Revert patches 1.79 and 1.80 which had to do with dead MBB's. Now that they 
don't exist, we don't have to pretend to handle them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14567 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-02 05:52:23 +00:00
Chris Lattner
fc3c82a804 Add a trivially simple pass to delete unreachable blocks from the CFG. This 
pass is required to paper over problems in the code generator (primarily
live variables and its clients) which doesn't really have any well defined
semantics for unreachable code.

The proper solution to this problem is to have instruction selectors not
select blocks that are unreachable.  Until we have a instruction selection
framework available for use, however, we can't expect all instruction
selector writers to do this.  Until then, this pass should be used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14563 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-02 05:46:10 +00:00
Chris Lattner
4b9a400674 Make sure that we destroy the MBB's, with all of their instructions, before 
any other data structures


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14524 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-01 06:29:07 +00:00
Chris Lattner
8490f9c92e Now that MachineFunction/MachineBasicBlock keep a mapping of blocks to ID #'s 
use them instead of a local LiveVariables numbering


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14523 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-01 06:15:32 +00:00
Chris Lattner
ca48eb9f51 Change MBB autonumber a bit to get the reverse mapping as well as a forward 
mapping


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14521 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-01 06:02:27 +00:00
Chris Lattner
51289aa520 Instance var no longer exists 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14520 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-01 06:02:07 +00:00
Chris Lattner
8ba9771549 Start using MBB numbers directly instead of going through the live variables 
map.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14518 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-01 04:29:47 +00:00
Chris Lattner
a5287a6376 Instead of building a private numbering of MBB's use brg's nifty auto-numbering. 
Also convert df_iterator -> df_ext_iterator for subsequent stuff I'm doing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14517 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-01 04:24:29 +00:00
Chris Lattner
91a350ddd1 In line with the previous patch, do not assert out if analyzing a dead basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14475 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 07:16:23 +00:00
Chris Lattner
59850a8f8f Do not dereference end iterators. It hurts when you do that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14474 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 06:56:51 +00:00
Chris Lattner
4e7244e68e Do not find these ugly sparc-specific objects by using the annotation API on 
instructions.  Instead, keep a map of instructions -> MCFI objects in the
already sparc-specific class MachineFunctionInfo.  This will slow down the
sparc backend a bit, but it does not penalize the rest of LLVM!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14438 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 18:52:17 +00:00
Tanya Lattner
b140762a45 Made a fix so that you can print out MachineInstrs that belong to a MachineBasicBlock that is not yet attached to a MachineFunction. This change includes changing the third operand (TargetMachine) to a pointer for the MachineInstr::print function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14389 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 00:13:11 +00:00
Misha Brukman
09ba906cf5 Convert tabs to spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14373 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 21:31:16 +00:00
Misha Brukman
cc6543cb51 Making an archive version of the CodeGen library is unnecessary if we just 
move InstructionLowering itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14324 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 17:52:30 +00:00
Misha Brukman
68fd0cae52 Provide archive version of CodeGen library (for those tools that only need 
IntrinsicLowering, for instance).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14323 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 17:28:43 +00:00
Chris Lattner
418da55c89 Rename Interval class to LiveInterval to avoid conflicting with the already 
existing llvm::Interval class.

Patch contributed by Vladimir Prus!
http://mail.cs.uiuc.edu/pipermail/llvmbugs/2004-June/000710.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14281 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-21 13:10:56 +00:00
Chris Lattner
3048373748 Move the IntrinsicLowering header into the CodeGen directory, as per PR346 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14266 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-20 07:49:54 +00:00
Brian Gaeke
988b7ba5ba Make debugging dumps w/ multiple MachineBBs for a given LLVM BB readable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14205 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:26:53 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
Chris Lattner
aebcce8404 Fix a recent regression in Applications/sgefa that Alkis pointed out to me. 
The vector may actually be empty if the register that we are marking as
recently used is not actually allocatable.  This happens for physical registers
that are not allocatable, like the ST(x) registers on X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 06:57:29 +00:00
Chris Lattner
be78ac4422 Remove isnan support, correct isunordered support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14187 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:42:23 +00:00
Alkis Evlogimenos
9685372062 Add the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14159 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-12 19:19:14 +00:00
Chris Lattner
7f7bbc2fdb Fix fallout from getOffsetOfLocalArea() being negated. Debugging dumps were being 
printed incorrectly, and we were reserving 8 extra bytes of stack space for functions
on X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14152 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 06:37:11 +00:00
Chris Lattner
02348caffc Fix lowering to work correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14134 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:54:02 +00:00
Chris Lattner
137cc4fc8c I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14132 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 02:29:43 +00:00
Alkis Evlogimenos
f616f22e81 Add the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14127 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 01:08:18 +00:00
Chris Lattner
577aec1428 Fix the prolog epilog code inserter to match the documentation and support 
targets whose stack grows up.

Patch contributed by Vladimir Prus


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-10 06:23:35 +00:00
Chris Lattner
f0a3e6c21c Remove an unused variable. 
Work around for bogus errors: no those static functions don't need to
be executed to be initialized!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14040 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-05 01:05:19 +00:00
Chris Lattner
6bc24419b6 Oops, this was not to go in 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13958 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 06:06:45 +00:00
Chris Lattner
98107ffd1e Adjust to the new TargetMachine interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13957 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 06:06:20 +00:00
Chris Lattner
9bcdcd17c7 Adjust to new TargetMachine interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13956 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 05:57:12 +00:00
Chris Lattner
62d6ad2cee Inline findOptimalStorageSize into it's caller, both of which are sparc specific 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13955 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 05:56:52 +00:00
Chris Lattner
e25738cab6 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13948 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 04:28:06 +00:00
Chris Lattner
fd0f7b1131 Fix a trivial but blatant bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13947 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 03:57:43 +00:00
Alkis Evlogimenos
6924063bf2 Pull Interval class out of LiveIntervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13910 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-30 07:46:27 +00:00
Alkis Evlogimenos
26f5a69e52 When spilling an register, introduce a new temporary for each of its 
spills. This allows for more flexibility when allocating registers for
spill code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13907 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-30 07:24:39 +00:00
Brian Gaeke
cdd69e6719 Fix typo in head-of-file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13903 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-30 03:33:48 +00:00
Alkis Evlogimenos
38af59a43c Add method to assign stack slot to virtual register without creating a 
new one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13895 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-29 20:38:05 +00:00
Alkis Evlogimenos
f174cc303b Add grow() member that grows the maps when the number of virtual 
registers in the function has changed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13893 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-29 19:03:29 +00:00