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Author SHA1 Message Date
Jim Grosbach
08f55d02da A few more places where SCEVExpander bits need to skip over debug intrinsics 
when iterating through instructions. Yet more work for rdar://7797940

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 21:13:38 +00:00
Jim Grosbach
d7d4ce3c9b modify so the test doesn't drop an output file in the test source directory. 
The test should also likely have some FileCheck bits to validate the
output(?).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106146 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 21:07:06 +00:00
Daniel Dunbar
a86de10508 MC/Mach-O: Rewrite atom association to be a final pass we do in Finish(), instead of tracking as part of emission. 
- This allows sharing more code with the MCObjectStreamer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 20:04:32 +00:00
Daniel Dunbar
843aa1f15b MC: Simplify MCAssembler::isSymbolLinkerVisible to only take an MCSymbol. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 20:04:29 +00:00
Daniel Dunbar
83b467178a MC: Lift SwitchSection() and Finish() into MCObjectStreamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106141 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 20:04:25 +00:00
Daniel Dunbar
8dc68ab931 MC: Factor out an MCObjectStreamer class, which will be shared by the concrete 
object file format writers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 20:04:22 +00:00
Devang Patel
4c47095665 Be specific. Use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 19:39:45 +00:00
Rafael Espindola
e96af56a5b Make sure that simplify libcalls does not replace a call with one calling 
convention with a new call with a different calling convention.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 19:34:01 +00:00
Jim Grosbach
956352eb46 add FIXME 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 18:45:08 +00:00
Devang Patel
0f800a6eb8 This requires more investigation. Unblock buildbots for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 18:19:49 +00:00
Devang Patel
6e67c6cb3c Update test to explicitly capture llc output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 18:04:12 +00:00
Bill Wendling
504c0cda91 Improve comment to include that the use of a preg is also verboten in this situation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 18:01:31 +00:00
Douglas Gregor
0964b4a3f5 Eliminate a redundant "typename" keyword 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 17:42:01 +00:00
Benjamin Kramer
0f471e018f TODO-- 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 15:47:00 +00:00
Benjamin Kramer
ea9ca0236d simplify-libcalls: fold strncmp(x, y, 1) -> memcmp(x, y, 1) 
The memcmp will be optimized further and even the pathological case
'strstr(x, "x") == x' generates optimal code now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 10:30:29 +00:00
Evan Cheng
46df4eb46e Make post-ra scheduling, anti-dep breaking, and register scavenger (conservatively) aware of predicated instructions. This enables ARM to move if-conversion before post-ra scheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 07:35:02 +00:00
Devang Patel
ffd33cd364 Check function pointer first, before comparing function names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106088 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 06:42:02 +00:00
Devang Patel
2f7d5291de Use separate named MDNode to hold each function's local variable info. 
This speeds up local variable handling in DwarfDebug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106075 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 00:53:55 +00:00
Eric Christopher
7500e06e38 Don't emit the linkage for initializer label for mach-o tls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 00:27:30 +00:00
Eric Christopher
e48dbf8d83 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 00:26:36 +00:00
Bill Wendling
d361a77f14 Create a more targeted fix for not sinking instructions into a range where it 
will conflict with another live range. The place which creates this scenerio is
the code in X86 that lowers a select instruction by splitting the MBBs. This
eliminates the need to check from the bottom up in an MBB for live pregs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 23:46:31 +00:00
Eric Christopher
6102549737 For 32-bit non-pic tlv mach-o addressing we don't need a pic base or 
a relative address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 23:08:42 +00:00
Stuart Hastings
cad22ad0bf Added a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106063 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 23:06:30 +00:00
Eric Christopher
c9ada472c8 Some more work on mach-o TLV relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106062 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 22:59:05 +00:00
Dale Johannesen
38d5f0441c Add file missing from previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106058 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 22:24:08 +00:00
Bob Wilson
92fffe0405 Fix 80col violations, remove trailing whitespace, and clarify a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 22:18:54 +00:00
Rafael Espindola
5869dc005e Update test to match recent llvm-gcc change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 22:16:40 +00:00
Nate Begeman
4da883a56f Make VC++ happy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106054 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 22:10:31 +00:00
Dale Johannesen
6470a116f1 Next round of tail call changes. Register used in a tail 
call must not be callee-saved; following x86, add a new
regclass to represent this.  Also fixes a couple of bugs.
Still disabled by default; Thumb doesn't work yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 22:08:33 +00:00
Jakob Stoklund Olesen
8a3eab9b20 Remove the local register allocator. 
Please use the fast allocator instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 21:58:33 +00:00
Dale Johannesen
bf37850e42 Reapply 105986 with fix for bug pointed out by Jakob: 
flag argument to addReg is not the same format as flags attached
to MachineOperand, although both have the same info.  I don't
think this actually mattered; the bootstrap failure did not
reproduce on the next run anyway.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 21:36:43 +00:00
Chris Lattner
381cd02688 fix PR7380: use 'test' instead of shell builtins. This improves 
portability to Solaris 10, which apparently doesn't support
[ foo -ot bar ]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106048 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 21:35:22 +00:00
Benjamin Kramer
386e918438 simplify-libcalls: fold strstr(a, b) == a -> strncmp(a, b, strlen(b)) == 0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106047 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 21:34:25 +00:00
Rafael Espindola
2bbaf4d06e Set the mtriple in some tests so that they use AAPCS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 20:42:00 +00:00
Mon P Wang
9c4a84b4f3 Fixed vector widening of binary instructions that can trap. Patch by Visa Putkinen! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106038 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 20:29:05 +00:00
Daniel Dunbar
71907fbebf fpcmp: Fix bug where fpcmp wouldn't early exit when files obviously differ and 
no tolerance is set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 19:20:30 +00:00
Daniel Dunbar
d1c82fe726 fpcmp: Fix a possible infinite loop when comparing something like: 
1..19 ok
to
  1..20 o k
(yes, the odd space is necessary).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106032 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 19:20:28 +00:00
Chris Lattner
868ee9460c fix fastisel to handle GS and FS relative pointers. Patch by 
Nelson Elhage!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 19:08:40 +00:00
Bob Wilson
827b2106fe Add basic support for NEON modified immediates besides VMOV. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106030 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 19:05:35 +00:00
Rafael Espindola
2ebb4f81f7 Remove the arm_aapcscc marker from the tests. It is the default 
for the linux targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 19:04:29 +00:00
Chris Lattner
59d52a3dfe disable SmallVectorImpl's copy constructor. This prevents a class 
of base class slicing bugs reported on irc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106028 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 18:59:43 +00:00
Bob Wilson
6fb124bee9 IfConversion's AnalyzeBlocks method always returns false; clean it up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 18:57:15 +00:00
Jim Grosbach
288694f430 fix naming 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106024 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 18:53:34 +00:00
Jakob Stoklund Olesen
1b2f94c621 Fix an exotic bug that only showed up in an internal test case. 
SimpleRegisterCoalescing::JoinIntervals() uses CoalescerPair to determine if a
copy is coalescable, and in very rare cases it can return true where LHS is not
live - the coalescable copy can come from an alias of the physreg in LHS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 18:49:14 +00:00
Bob Wilson
669db04130 Fix a comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 18:19:27 +00:00
Daniel Dunbar
f19f6a9deb Remove stray semi-colon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 17:47:24 +00:00
Bob Wilson
4ffd22d810 Add some missing checks for the case where the extract_subregs are 
combined to an insert_subreg, i.e., where the destination register is larger
than the source.  We need to check that the subregs can be composed for that
case in a symmetrical way to the case when the destination is smaller.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106004 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 17:27:54 +00:00
Jakob Stoklund Olesen
75ac4d9c2d Avoid processing early clobbers twice in RegAllocFast. 
Early clobbers defining a virtual register were first alocated to a physreg and
then processed as a physreg EC, spilling the virtreg.

This fixes PR7382.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105998 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 16:20:57 +00:00
Jakob Stoklund Olesen
40d07bbebb Add CoalescerPair helper class. 
Given a copy instruction, CoalescerPair can determine which registers to
coalesce in order to eliminate the copy. It deals with all the subreg fun to
determine a tuple (DstReg, SrcReg, SubIdx) such that:

- SrcReg is a virtual register that will disappear after coalescing.
- DstReg is a virtual or physical register whose live range will be extended.
- SubIdx is 0 when DstReg is a physical register.
- SrcReg can be joined with DstReg:SubIdx.

CoalescerPair::isCoalescable() determines if another copy instruction is
compatible with the same tuple. This fixes some NEON miscompilations where
shuffles are getting coalesced as if they were copies.

The CoalescerPair class will replace a lot of the spaghetti logic in JoinCopy
later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 16:04:21 +00:00
Daniel Dunbar
f4a7bf4ec3 Add <cstddef> include to get ptrdiff_t, for gcc-4.6; patch by Dimitry Andric. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 14:50:42 +00:00