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b89be6150a
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7486 Commits

Author SHA1 Message Date
Evan Cheng
b89be6150a Add RCBarriers to TargetInstrDesc. It's a list of register classes the given instruction can "clobber". For example, on x86 the call instruction can modify all of the XMM and fp stack registers. 
TableGen has been taught to generate the lists from instruction definitions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57722 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-17 21:00:09 +00:00
Mon P Wang
c4d1021ead Added MemIntrinsicNode which is useful to represent target intrinsics that 
touches memory and need an associated MemOperand


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57712 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-17 18:22:58 +00:00
Chris Lattner
6bdcda3d3e Keep track of *which* input constraint matches an output 
constraint.  Reject asms where an output has multiple
input constraints tied to it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-17 16:47:46 +00:00
Chris Lattner
58f15c482a add an assert so that PR2356 explodes instead of running off an 
array.  Improve some minor comments, refactor some helpers in
AsmOperandInfo.  No functionality change for valid code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57686 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-17 16:21:11 +00:00
Gabor Greif
4fbed982fb Add comment on how tagged pointers are 
distinguished from normal (untagged) ones
as per review comment.

I am sufficiently unaquainted with doxygen to
defer the markup to someone with more experience.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-17 08:31:36 +00:00
Dan Gohman
f522068412 Trim #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57649 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 20:18:31 +00:00
Gabor Greif
023f84ecaf Introduce a typing refinenement on tagged data 
using the 'volatile' qualifier. This should not have any operational consequences
on code, because tags should always be stripped off (giving a non-volatile pointer)
before dereferencing. The new qualification is there to catch some attempts to use
tagged pointers in a context where an untagged pointer is appropriate.

Notably this approach does not catch dereferencing of tagged pointers, but helps
in separating the two concepts a bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57641 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 15:33:02 +00:00
Dan Gohman
8e8b8a223c Const-ify several TargetInstrInfo methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57622 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 01:49:15 +00:00
Zhongxing Xu
1a26daa9c3 Fix a calculation error in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57619 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 01:21:44 +00:00
Dan Gohman
7ddcadc7ee Move the include of MachineLocation.h into MachineModuleInfo.h 
because it declares a std::vector<MachineMove>, and strict
concept checking requires the definition of MachineMove to be
available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57617 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 00:20:14 +00:00
Dan Gohman
254a886057 Implement a SmallVector insert method that can insert multiple 
copies of a value, and add several additional utilities to make
SmallVector better conform to the Container concept.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57616 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 00:15:24 +00:00
Dan Gohman
3d4227bec5 Fix several places that called mapped_iterator's constructor without 
passing in a function object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57615 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 00:12:39 +00:00
Dan Gohman
95c2cc51eb Correct the name of isTrapping in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57606 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 22:56:21 +00:00
Dan Gohman
65ac2fa880 Fix whitespace in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57605 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 22:55:03 +00:00
Chris Lattner
a870039277 Fix PR2115 by doxygenating Use more, and make some more methods private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57587 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 16:56:14 +00:00
Gabor Greif
7d50031e17 remove legacy interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 09:52:56 +00:00
Mon P Wang
607ec1f608 Removed pinsrd and pinsrq intrinsics because the code generator does not support 
them since they map to insert element


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57564 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 06:27:16 +00:00
Evan Cheng
7f04268176 - Add target lowering hooks that specify which setcc conditions are illegal, 
i.e. conditions that cannot be checked with a single instruction. For example,
SETONE and SETUEQ on x86.
- Teach legalizer to implement *illegal* setcc as a and / or of a number of
legal setcc nodes. For now, only implement FP conditions. e.g. SETONE is
implemented as SETO & SETNE, SETUEQ is SETUO | SETEQ.
- Move x86 target over.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 02:05:31 +00:00
Dan Gohman
dd5b58ad7b FastISel support for exception-handling constructs. 
- Move the EH landing-pad code and adjust it so that it works
   with FastISel as well as with SDISel.
 - Add FastISel support for @llvm.eh.exception and
   @llvm.eh.selector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57539 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 23:54:11 +00:00
Daniel Dunbar
c9debfbf06 Add llvm::hexdigit to StringExtras (number -> hexadecimal char) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57536 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 23:26:20 +00:00
Evan Cheng
0329466b6b Rename LoadX to LoadExt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 21:26:46 +00:00
Devang Patel
f5ff0cf03a Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57522 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 20:30:54 +00:00
Evan Cheng
a6548d0f29 Clarify meaning of copyRegToReg's return value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57449 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 17:30:56 +00:00
Gabor Greif
63e0669b8e fix typo's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57435 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 10:28:12 +00:00
Gabor Greif
c9f7ef7e7a remove a deprecated internal interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57434 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 10:25:27 +00:00
Chris Lattner
75d53d6bd0 this was to be removed after 2.4 branched. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57422 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-12 18:57:09 +00:00
Owen Anderson
4b089929b4 Make Escape Analysis work for any pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57412 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-12 07:33:29 +00:00
Owen Anderson
36b708a318 Add EscapeAnalysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57411 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-12 06:49:21 +00:00
Chris Lattner
71f95b8531 random cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57383 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-11 22:06:50 +00:00
Dale Johannesen
e397acce9d Fix SSE4.1 roundss, roundsd. While the instructions have 
the same pattern as roundpd/roundps, the Intel compiler 
builtins do not:  rounds* has an extra operand.  Fixes
gcc.target/i386/sse4_1-rounds[sd]-[1234].c



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57370 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-10 23:51:03 +00:00
Owen Anderson
7238cfaca0 Fix copy-and-paste-o. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57343 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-10 08:53:07 +00:00
Owen Anderson
8f28c78e95 Add a basic intra-procedural escape analysis. This hasn't be extensively tested yet, but feedback is welcome. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57342 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-10 08:36:25 +00:00
Mon P Wang
47bd1d4bf3 Fixed definition of llvm_anyptr_ty 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57338 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-10 01:41:18 +00:00
Dale Johannesen
8aaec36fa7 A file missed from previous checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57330 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-09 23:01:07 +00:00
Dale Johannesen
23a98551ab Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57329 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-09 23:00:39 +00:00
Dale Johannesen
7111b02c73 Rename APFloat::convertToAPInt to bitcastToAPInt to 
make it clearer what the function does.  No functional
change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57325 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-09 18:53:47 +00:00
Dale Johannesen
585457e37e (re)Put const weak strings in appropriate section on Darwin. 
g++dg/abi/key2.C



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57309 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-08 21:49:47 +00:00
Eric Christopher
bde84d2fca Fix disagreement about where the attributes are 
~0 != ~0U.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57268 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 22:33:44 +00:00
Owen Anderson
95dad830bb Add an option to enable StrongPHIElimination, for ease of testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57259 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 20:22:28 +00:00
Andrew Lenharth
1b19ef0295 Note that ADDC and company don't actually expand yet (missing in legalize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 02:10:26 +00:00
Evan Cheng
a3668afdee Cosmetic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57200 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-06 20:33:02 +00:00
Chris Lattner
e940f3e6bb comment cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57058 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 18:08:00 +00:00
Dan Gohman
241f464d24 Fix fast-isel's handling of atomic instructions. They may 
expand to multiple basic blocks, in which case fast-isel
needs to informed of which block to use as it resumes
inserting instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57040 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 00:56:36 +00:00
Devang Patel
3afba0ae41 Fix function attribute verification check. 
Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 21:11:02 +00:00
Devang Patel
6d1b8a5911 Verify function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:50:00 +00:00
Jim Grosbach
cce6c297c5 On Darwin ARM, memory needs special handling to do JIT. This patch expands 
this handling to work properly for modifying stub functions, relocations
back to entry points after JIT compilation, etc..


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57013 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 16:17:20 +00:00
Dan Gohman
d735b8019b Switch the MachineOperand accessors back to the short names like 
isReg, etc., from isRegister, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:45:36 +00:00
Duncan Sands
a2582da44d Teach internalize to preserve the callgraph. 
Why?  Because it was there!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 07:36:09 +00:00
Dan Gohman
d98d6203e4 Optimize conditional branches in X86FastISel. This replaces 
sequences like this:
       sete    %al
       testb   %al, %al
       jne     LBB11_1
with this:
       je      LBB11_1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56969 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:15:21 +00:00
Dan Gohman
6ade6f55a8 Add a new MachineBasicBlock utility function, isLayoutSuccessor, that 
can be used when deciding if a block can transfer control to another
via a fall-through instead of a branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:09:09 +00:00