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Author SHA1 Message Date
Jakob Stoklund Olesen
6f0c76740b Update live-in lists when splitting critical edges. 
Fixes PR10814. Patch by Jan Sjödin!

llvm-svn: 141960
 2011-10-14 17:25:46 +00:00
Akira Hatanaka
70199b7136 Revert r141932, r141936 and r141937. 
llvm-svn: 141959
 2011-10-14 17:16:39 +00:00
Jim Grosbach
b06728a837 Fix typo. "__sync_fetch_and-xor_4" should be "__sync_fetch_and_xor_4". 
Pointed out by George Russell.

llvm-svn: 141956
 2011-10-14 15:53:48 +00:00
Nick Lewycky
610fc64d78 An instruction's operands aren't necessarily instructions or constants. They 
could be arguments, for example.

No testcase because this is a bug-fix broken out of a larger optimization patch.

llvm-svn: 141951
 2011-10-14 09:38:46 +00:00
Craig Topper
0a11eb1b21 Add X86 ANDN instruction. Including instruction selection. 
llvm-svn: 141947
 2011-10-14 07:06:56 +00:00
Craig Topper
6b2120a8e1 Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 processor which is gcc's name for Haswell. 
llvm-svn: 141939
 2011-10-14 03:21:46 +00:00
Akira Hatanaka
24e913fbe2 Definition of function getMipsRegisterNumbering. 
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141938
 2011-10-14 03:04:24 +00:00
Akira Hatanaka
516b4b0352 Add definition of class MipsELFWriterInfo. 
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141937
 2011-10-14 02:55:47 +00:00
Akira Hatanaka
9922f8d014 Add missing relocation types. 
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141936
 2011-10-14 02:47:50 +00:00
Akira Hatanaka
32fd6013f5 Add ELF relocation types for Mips. 
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141935
 2011-10-14 02:43:18 +00:00
Akira Hatanaka
b1ede8157d Fixup enumerations. 
Patch by Jack Carter at Mips. 

llvm-svn: 141934
 2011-10-14 02:38:56 +00:00
Akira Hatanaka
a5d655b991 Add more Mips relocation types. 
Patch by Jack Carter at Mips. 

llvm-svn: 141932
 2011-10-14 02:17:30 +00:00
Jakob Stoklund Olesen
a31553dbf7 Ban rematerializable instructions with side effects. 
TableGen infers unmodeled side effects on instructions without a
pattern.  Fix some instruction definitions where that was overlooked.

Also raise an error if a rematerializable instruction has unmodeled side
effects. That doen't make any sense.

llvm-svn: 141929
 2011-10-14 01:00:49 +00:00
Jakob Stoklund Olesen
d7827f928d V_SET0 has no side effects. 
TableGen will mark any pattern-less instruction as having unmodeled side
effects. This is extra bad for V_SET0 which gets rematerialized a lot.

This was part of the cause for PR11125, but the real bug was fixed
in r141923.

llvm-svn: 141924
 2011-10-14 00:39:50 +00:00
Jakob Stoklund Olesen
98e48aef6f Add value numbers when spilling dead defs. 
When spilling around an instruction with a dead def, remember to add a
value number for the def.

The missing value number wouldn't normally create problems since there
would be an incoming live range as well.  However, due to another bug
we could spill a dead V_SET0 instruction which doesn't read any values.

The missing value number caused an empty live range to be created which
is dangerous since it doesn't interfere with anything.

This fixes part of PR11125.

llvm-svn: 141923
 2011-10-14 00:34:31 +00:00
Eli Friedman
667bf19c57 Avoid undefined behavior in negation in LSR. Patch by Ahmed Charles. 
Someone more familiar with LSR should double-check that the extra cast is actually doing the right thing in the overflow cases; I'm not completely confident that's that case. 

llvm-svn: 141916
 2011-10-13 23:48:33 +00:00
Eli Friedman
94373219c3 Fix undefined shift. Patch by Ahmed Charles. 
llvm-svn: 141914
 2011-10-13 23:36:06 +00:00
Eli Friedman
d1174d008e Simplify assertion, and avoid undefined shift. Based on patch by Ahmed Charles. 
llvm-svn: 141912
 2011-10-13 23:27:48 +00:00
Michael J. Spencer
5cbe7170de Support/Windows: Add support modifying memory permissions on Windows. Patch by Aaron Ballman! 
llvm-svn: 141910
 2011-10-13 23:16:01 +00:00
Eli Friedman
219f1841f7 Fix undefined shifts and abs in Alpha backend. Based on patch by Ahmed Charles. 
llvm-svn: 141909
 2011-10-13 23:13:35 +00:00
Michael J. Spencer
1c388c42ea Support/Windows: Add efficent RW mutex on Windows. Patch by Aaron Ballman! 
llvm-svn: 141907
 2011-10-13 23:10:56 +00:00
Lang Hames
b0db984fab Fixed typo. 
llvm-svn: 141906
 2011-10-13 23:04:49 +00:00
Eli Friedman
a1d8196452 Avoid undefined behavior in signed integer negation. Patch by Ahmed Charles. 
llvm-svn: 141905
 2011-10-13 22:49:56 +00:00
Eli Friedman
74b48114e3 Simplify and avoid undefined shift. Based on patch by Ahmed Charles. 
llvm-svn: 141903
 2011-10-13 22:40:23 +00:00
Michael J. Spencer
10caa055b0 ELF: Fix the section that relocations apply to. Add test to verify. Patch by Danil Malyshev! 
llvm-svn: 141901
 2011-10-13 22:30:10 +00:00
Michael J. Spencer
4ee36e15ad llvm-object: Add inline relocation information to disassembly. 
llvm-svn: 141897
 2011-10-13 22:17:18 +00:00
Eli Friedman
e702d68556 Enhance the memdep interface so that users can tell the difference between a dependency which cannot be calculated and a path reaching the entry point of the function. This patch introduces isNonFuncLocal, which replaces isUnknown in some cases. 
Patch by Xiaoyi Guo.

llvm-svn: 141896
 2011-10-13 22:14:57 +00:00
Andrew Trick
923129b028 Reapply r141870, SCEV expansion of post-inc. 
Speculatively reapply to see if this test case still crashes on
linux. I may have fixed it in my last checkin.

llvm-svn: 141895
 2011-10-13 21:55:29 +00:00
Eric Christopher
0ffa8593b3 Don't forget to reconstruct D after changing the scope that we're 
looking at.

llvm-svn: 141892
 2011-10-13 21:43:44 +00:00
Richard Osborne
72a63ff457 Update IntrinsicsXCore.td with the normal LLVM notice at the top of the file. 
llvm-svn: 141889
 2011-10-13 21:08:11 +00:00
Michael J. Spencer
309e0cb513 llvm-objdump: Fix whitespace. 
llvm-svn: 141886
 2011-10-13 20:37:20 +00:00
Michael J. Spencer
fa3f63c14a llvm-objdump: Fix dumping of multiple symbols with the same address. 
This happens in COFF because there is a symbol for the beginning of each
section.

llvm-svn: 141885
 2011-10-13 20:37:08 +00:00
Michael J. Spencer
9a10012151 COFF: Implement sectionContainsSymbol for relocatable files only. 
llvm-svn: 141884
 2011-10-13 20:36:54 +00:00
Andrew Trick
03cd1b6a5d Fix memory corruption I introduced a few checkins ago. 
Self-review easily caught this obvious bug.

llvm-svn: 141880
 2011-10-13 18:49:23 +00:00
NAKAMURA Takumi
0a86c2d187 configure: [cygming] Set --disable-embed-stdcxx by default on --enable-shared. 
Many distros provide stdc++.dll recently. --enable-embed-stdcxx might confuse people.

llvm-svn: 141875
 2011-10-13 18:04:52 +00:00
Owen Anderson
9f90e2252c SETEND is not allowed in an IT block. 
llvm-svn: 141874
 2011-10-13 17:58:39 +00:00
Andrew Trick
109f7dbd1e Revert r141870. The test case crashes on linux with data corruption. A deeper issue was exposed. 
llvm-svn: 141873
 2011-10-13 17:58:24 +00:00
NAKAMURA Takumi
ca62ac7536 docs/CMake.html: Clarify LLVM_LIT_TOOLS_DIR as :PATH. 
llvm-svn: 141872
 2011-10-13 17:36:02 +00:00
Michael J. Spencer
fe0e806423 Fix incorrect ELF typedefs. 
llvm-svn: 141871
 2011-10-13 17:33:52 +00:00
Andrew Trick
05d7cb17d5 LSR: Reuse the post-inc expansion of expressions. 
This avoids unnecessary expansion of expressions and allows the SCEV
expander to work on expression DAGs, not just trees.
Fixes PR11090.

llvm-svn: 141870
 2011-10-13 17:31:47 +00:00
Daniel Dunbar
86b464dff5 build: Remove some stray LLVMC configure variables. 
llvm-svn: 141869
 2011-10-13 17:27:34 +00:00
Andrew Trick
38d4b87695 SCEV: Rewrite TrandformForPostIncUse to handle expression DAGs, not 
just expression trees.

Partially fixes PR11090. Test case will be with the full fix.

llvm-svn: 141868
 2011-10-13 17:21:09 +00:00
Andrew Trick
5286636188 Slightly more useful tracing. 
llvm-svn: 141867
 2011-10-13 17:06:38 +00:00
Benjamin Kramer
a705595096 Force CPU type on test so it doesn't accidentally emit movbe instead of bswap on Intel Atom CPUs. 
llvm-svn: 141863
 2011-10-13 14:27:54 +00:00
Kalle Raiskila
15993a5d28 Mark 'branch indirect' instruction as an indirect branch. 
Not having it confused assembly printing of jumptables.

llvm-svn: 141862
 2011-10-13 11:40:03 +00:00
Bill Wendling
dcd9c25744 More closely follow libgcc, which has code after the `ret' instruction to 
release the stack segment and reset the stack pointer. Place the code in its own
MBB to make the verifier happy.

llvm-svn: 141859
 2011-10-13 08:24:19 +00:00
Bill Wendling
2a571af745 Revert r141854 because it was causing failures: 
http://lab.llvm.org:8011/builders/llvm-x86_64-linux/builds/101

--- Reverse-merging r141854 into '.':
U    test/MC/Disassembler/X86/x86-32.txt
U    test/MC/Disassembler/X86/simple-tests.txt
D    test/CodeGen/X86/bmi.ll
U    lib/Target/X86/X86InstrInfo.td
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86.td
U    lib/Target/X86/X86Subtarget.h

llvm-svn: 141857
 2011-10-13 07:48:07 +00:00
Bill Wendling
a6bf25f30a Should not add instructions to a BB after a return instruction. The machine instruction verifier doesn't like this, nor do I. 
llvm-svn: 141856
 2011-10-13 07:42:32 +00:00
Cameron Zwarich
fcbdff2af3 Use an existing method. 
llvm-svn: 141855
 2011-10-13 07:36:41 +00:00
Craig Topper
eb29e18c9b Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 processor which is gcc's name for Haswell. 
llvm-svn: 141854
 2011-10-13 07:09:14 +00:00