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4935 Commits

Author SHA1 Message Date
Chris Lattner
a3df8a964a Remove the wierd "Operands" loop, by traversing basicblocks in reverse order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10536 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 08:18:16 +00:00
Chris Lattner
e4365b2e8c Implement LICM/sink_multiple.ll, by sinking all possible instructions in the 
loop before hoisting any.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10534 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 07:22:45 +00:00
Chris Lattner
0f98e75adf Generalize a special case to fix PR187 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10531 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 06:27:08 +00:00
Chris Lattner
60921c9aa1 Factor code out into the Utils library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10530 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 05:58:40 +00:00
Chris Lattner
abbc2dd779 Add new function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10529 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 05:56:28 +00:00
Alkis Evlogimenos
4c080863de Remove TwoAddressInstruction from the public headers and add an ID 
instead, since this pass doesn't expose any state to its users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10520 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 22:40:24 +00:00
Chris Lattner
5e46b513f3 Prune some #includes 
Add a statistic for # reloads


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10518 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 20:25:31 +00:00
John Criswell
47df12d80d Reverted back to previous revision - this was previously merged 
according to the CVS log messages.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10517 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 17:19:19 +00:00
John Criswell
d000e1dc2f Merged in RELEASE_11. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10516 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 16:43:17 +00:00
Alkis Evlogimenos
a71e05acdd Modify linear scan register allocator to use the two-address 
instruction pass. This also fixes all remaining bugs for this new
allocator to pass all tests under test/Programs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10515 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 13:15:02 +00:00
Alkis Evlogimenos
a3d0e5c2b2 Fix bug in reserved registers. DH actually aliases DX and EDX which 
are not reserved registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10514 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 13:12:18 +00:00
Alkis Evlogimenos
9af9dbde7d Modify local register allocator to use the two-address instruction pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10513 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 13:08:52 +00:00
Alkis Evlogimenos
71499ded4d Add TwoAddressInstructionPass to handle instructions that have two or 
more operands and the two first operands are constrained to be the
same. The pass takes an instruction of the form:

        a = b op c

and transforms it into:

        a = b
        a = a op c

and also preserves live variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10512 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 13:06:04 +00:00
Alkis Evlogimenos
485ec3c21e Rename LiveIntervals::expired() to LiveIntervals::expiredAt(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10511 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 08:56:11 +00:00
Alkis Evlogimenos
43f692f90f When a variable is killed and redifined in a basic block only one 
killing instruction is tracked. This causes the LiveIntervals to
create bogus intervals. The workaound is to add a range to the
interval from the redefinition to the end of the basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10510 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 08:53:43 +00:00
Alkis Evlogimenos
dd2cc65f34 Handle multiple virtual register definitions gracefully. 
Move some of the longer LiveIntervals::Interval method out of the
header and add debug information to them. Fix bug and simplify range
merging code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10509 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 08:48:48 +00:00
Chris Lattner
ba7df4c482 When we delete instructions from the loop, make sure to remove them from the 
AliasSetTracker as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10507 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 08:12:32 +00:00
Chris Lattner
2cffeec014 Add a new AliassetTracker::remove method. Because we need to be able to remove 
a pointer from an AliasSet, maintain the pointer values on a doubly linked
list instead of a singly linked list, to permit efficient removal from the
middle of the list.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10506 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 08:11:56 +00:00
Misha Brukman
97f9cf2de2 * Converted C-style comments to C++ 
* Doxygenified comments
* Reordered #includes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10503 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-17 22:08:20 +00:00
Misha Brukman
3d0ad411a5 Reordered #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10502 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-17 22:06:28 +00:00
Misha Brukman
c3402cd735 Doxygenified some comments, reduced extraneous space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10501 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-17 22:06:08 +00:00
Misha Brukman
d71295a684 Reorganized the Sparc backend to be more modular -- each different 
implementation of a Target{RegInfo, InstrInfo, Machine, etc} now has a separate
header and a separate implementation file.

This means that instead of a massive SparcInternals.h that forces a
recompilation of the whole target whenever a minor detail is changed, you should
only recompile a few files.

Note that SparcInternals.h is still around; its contents should be minimized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10500 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-17 22:04:00 +00:00
Brian Gaeke
6ca5b8f5f4 Make getObjectType() smarter about ranlibbed Mac OS X archives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10493 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-17 00:18:18 +00:00
Chris Lattner
9e45d2e0e8 Fix for PR185 & IndVarsSimplify/2003-12-15-Crash.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10473 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-15 17:34:02 +00:00
Alkis Evlogimenos
f6f91bf668 Change preserve all claim to just preserve live variables and phielimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10469 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-15 04:55:38 +00:00
Chris Lattner
d64152a708 Refactor code just a little bit, allowing us to implement TailCallElim/return_constant.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10467 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 23:57:39 +00:00
Chris Lattner
f7a743d7ed Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10465 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 23:25:48 +00:00
Chris Lattner
2cdd21c2e4 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10464 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 21:35:53 +00:00
Chris Lattner
b6d465f813 Finegrainify namespacification 
Make the Timer code give correct user/system/user+system times when -track-memory is enabled


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10463 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 21:27:33 +00:00
Alkis Evlogimenos
4d7af65903 Change interface of MachineOperand as follows: 
a) remove opIsUse(), opIsDefOnly(), opIsDefAndUse()
    b) add isUse(), isDef()
    c) rename opHiBits32() to isHiBits32(),
              opLoBits32() to isLoBits32(),
              opHiBits64() to isHiBits64(),
              opLoBits64() to isLoBits64().

This results to much more readable code, for example compare
"op.opIsDef() || op.opIsDefAndUse()" to "op.isDef()" a pattern used
very often in the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10461 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 13:24:17 +00:00
Alkis Evlogimenos
97323a47d8 Change preserve all claim to just preserve live variables and phielimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10460 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 10:14:23 +00:00
Chris Lattner
00ad4a2d17 Do not promote volatile alias sets into registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10458 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 04:52:31 +00:00
Chris Lattner
e26092456a Finegrainify namespacification 
Add capability to represent volatile AliasSet's
Propagate this information from loads&stores into the aliassets


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10457 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 04:52:11 +00:00
Alkis Evlogimenos
94743e4915 When reserving a preallocated register spill the aliases of this 
register too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10450 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 11:58:10 +00:00
Alkis Evlogimenos
4c214d2bf0 Ignore non-allocatable physical registers in live interval analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10449 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 11:11:02 +00:00
Alkis Evlogimenos
7d65a12fe6 Expire any active intervals left when register allocation is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10448 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 05:50:19 +00:00
Alkis Evlogimenos
f6e610c27d Add instruction numbers to debugging output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10447 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 05:48:57 +00:00
Alkis Evlogimenos
359b65f782 Add a floating point killer pass. This pass runs before register 
allocaton on the X86 to add information to the machine code denoting
that our floating point stackifier cannot handle virtual point
register that are alive across basic blocks. This pass adds an
implicit def of all virtual floating point register at the end of each
basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10446 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 05:36:22 +00:00
Alkis Evlogimenos
9435eda699 Handle explicit physical register defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10445 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 05:26:39 +00:00
Alkis Evlogimenos
efe995a406 Remove unecessary if statements when looping on ImplicitDefs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10444 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-13 01:20:58 +00:00
John Criswell
52b62de100 Modified cast so that it converts the int to a long before casting to 
a pointer.  This evades a warning emitted by GCC when we cast from
unsigned int (32 bit) to void * (64 bit) on SparcV9.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10435 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-12 19:57:48 +00:00
Brian Gaeke
6c9d582738 Dynamically get the right-sized member of a GenericValue to hold a size_t, and 
use it to return the result of strlen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10433 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-12 15:38:06 +00:00
Chris Lattner
993bdcec00 Implement the ExecutionEngine::getPointerToFunctionOrStub by forwarding the 
request on to the TargetMachine if it supports the getJITStubForFunction method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10431 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-12 07:12:02 +00:00
Chris Lattner
65b05ce022 Implement the TargetMachine::getJITStubForFunction method for X86, finegrainify 
namespacification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10430 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-12 07:11:18 +00:00
Brian Gaeke
2798cd077a Since we are using a gep_type_iterator, we apparently must get the type 
index by using I.getOperand() here. This was failing an assertion on
basically every struct access.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10426 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-12 05:13:05 +00:00
Brian Gaeke
27b40bcc9c Throw better error messages, by calling strerror(errno) when we 
get an error inside the bytecode reader.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10415 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-12 00:47:44 +00:00
Chris Lattner
4a83088b30 Factor out some duplicated code, implement the rest of the cases in 
BasicAA/2003-12-11-ConstExprGEP.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10412 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-11 23:20:16 +00:00
Chris Lattner
b307c88fe7 Fix PR86. This makes basicaa _SIGNIFICANLY_ more aggressive with getelementptr's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10410 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-11 22:44:13 +00:00
Chris Lattner
ea9403f2aa Fix LICM/2003-12-11-SinkingToPHI.ll, and quite possibly all of the other known problems in the universe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10409 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-11 22:23:32 +00:00
Chris Lattner
1ca2a583cb Finegrainify namespacification 
Add new -print-cfg-only pass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10407 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-11 21:48:18 +00:00