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Author SHA1 Message Date
Evan Cheng
849bca1ab6 Fix some latency computation bugs: if the use is not a machine opcode do not just return zero. 
llvm-svn: 105061
 2010-05-28 23:26:21 +00:00
Evan Cheng
01ab4e1d5a Schedule high latency instructions for latency reduction even if they are not vfp / NEON instructions. 
llvm-svn: 105060
 2010-05-28 23:25:23 +00:00
Dale Johannesen
b54d197c10 Fix comment typos. 
llvm-svn: 105059
 2010-05-28 23:24:28 +00:00
Bruno Cardoso Lopes
ff2feaec4a More SSE 1 & 2 merge, this time with logical instructions 
llvm-svn: 105014
 2010-05-28 22:47:03 +00:00
Dan Gohman
13a88a7def Fix AliasDebugger to be aware of operand values too. 
llvm-svn: 105012
 2010-05-28 22:31:51 +00:00
Dan Gohman
fe69bf7b4c Add lint checks for function attributes. 
llvm-svn: 105009
 2010-05-28 21:43:57 +00:00
Dan Gohman
85f0f45ea1 Split the logic behind CastInst::isNoopCast into a separate static function, 
as is done with most other cast opcode predicates.

llvm-svn: 105008
 2010-05-28 21:41:37 +00:00
Dan Gohman
9de9456806 Fix a comment; vectors are not a special case here. 
llvm-svn: 105006
 2010-05-28 21:22:45 +00:00
Kevin Enderby
fbd982b12f MC/X86: Add alias for movzx. 
llvm-svn: 105005
 2010-05-28 21:20:21 +00:00
Kevin Enderby
922954fe32 MC/X86: Add alias for fwait. 
llvm-svn: 105001
 2010-05-28 20:59:10 +00:00
Kevin Enderby
3db5d4603e Fix the use of x86 control and debug registers so that the assertion failure in 
getX86RegNum() does not happen.  Patch by Shantonu Sen!

llvm-svn: 104994
 2010-05-28 19:01:27 +00:00
Dale Johannesen
3dde3fe642 Fix Data Layout description of floating point. 
llvm-svn: 104993
 2010-05-28 18:54:47 +00:00
Dale Johannesen
6b20aa3751 Add missing space; works for me. 
llvm-svn: 104992
 2010-05-28 18:45:59 +00:00
Jakob Stoklund Olesen
6a3738d96a Add a TargetRegisterInfo::composeSubRegIndices hook with a default 
implementation that is correct for most targets. Tablegen will override where
needed.

Add MachineOperand::subst{Virt,Phys}Reg methods that correctly handle existing
subreg indices when sustituting registers.

llvm-svn: 104985
 2010-05-28 18:18:53 +00:00
Jim Grosbach
7dd85bebee correct retattr 
llvm-svn: 104980
 2010-05-28 18:03:48 +00:00
Jim Grosbach
f4442c2ca2 Cosmetic cleanup. No functional change. 
llvm-svn: 104974
 2010-05-28 17:51:20 +00:00
Dan Gohman
a20b0d02e6 Fix lint's memcpy and memmove checks, and its basic block traversal. 
llvm-svn: 104970
 2010-05-28 17:44:00 +00:00
Jim Grosbach
2eb2c2d257 make sure accesses to set up the jmpbuf don't get moved after it by the scheduler. Add a missing \n. 
llvm-svn: 104967
 2010-05-28 17:37:40 +00:00
Dan Gohman
5e04f2df0b Fix more whitespace to be consistent with AsmPrinter. 
llvm-svn: 104963
 2010-05-28 17:13:49 +00:00
Dan Gohman
49590bf7cd Fix whitespace to be more consistent with AsmPrinter's style. 
llvm-svn: 104962
 2010-05-28 17:07:41 +00:00
Jakob Stoklund Olesen
f58cd7c838 Fix more tests that depended on the default register allocator choice. 
llvm-svn: 104961
 2010-05-28 17:06:30 +00:00
Dan Gohman
6e97d8955f Minor code simplification. 
llvm-svn: 104959
 2010-05-28 16:50:23 +00:00
Dan Gohman
1c7843bad9 Fix a redundant-return warning. 
llvm-svn: 104958
 2010-05-28 16:50:01 +00:00
Dan Gohman
9a50a9215c Detect self-referential values. 
llvm-svn: 104957
 2010-05-28 16:45:33 +00:00
Dan Gohman
0108e13d6c Remove this va_arg test, which is no longer applicable. 
llvm-svn: 104956
 2010-05-28 16:44:04 +00:00
Stuart Hastings
369d3391d8 Revert 104841, 104842, 104876 due to buildbot failures. Radar 7424645. 
llvm-svn: 104953
 2010-05-28 16:41:07 +00:00
Dan Gohman
8570c1a249 Eli pointed out that va_arg instruction result values don't 
reference the stack.

llvm-svn: 104951
 2010-05-28 16:34:49 +00:00
Dan Gohman
7981165281 Teach lint how to look through simple store+load pairs and other 
effective no-op constructs, to make it more effective on
unoptimized IR.

llvm-svn: 104950
 2010-05-28 16:21:24 +00:00
Dan Gohman
0d7d3faf8e Move FindAvailableLoadedValue isSafeToLoadUnconditionally out of 
lib/Transforms/Utils and into lib/Analysis so that Analysis passes
can use them.

llvm-svn: 104949
 2010-05-28 16:19:17 +00:00
Dan Gohman
5ba21692e6 ConstantFoldConstantExpression can theoretically return null. 
llvm-svn: 104948
 2010-05-28 16:12:08 +00:00
Dan Gohman
f7bbeb021a Fix a comment. 
llvm-svn: 104947
 2010-05-28 16:06:09 +00:00
Dan Gohman
22d22caaed Teach instcombine to promote alloca array sizes. 
llvm-svn: 104945
 2010-05-28 15:09:00 +00:00
Dan Gohman
bab79afa29 Add a testcase for getelementptr index promotion. 
llvm-svn: 104944
 2010-05-28 15:07:59 +00:00
Dan Gohman
a6c568fa77 Add a lint check for returning the address of stack memory. 
llvm-svn: 104936
 2010-05-28 04:33:42 +00:00
Dan Gohman
082d391a46 Fix instcombine's handling of alloca to accept non-i32 types. 
llvm-svn: 104935
 2010-05-28 04:33:04 +00:00
Nate Begeman
eb1028094c Comment out some code in prep for actual .td file checkpoint. 
llvm-svn: 104927
 2010-05-28 02:19:08 +00:00
Dan Gohman
598aa87ff1 Bitcode support for allocas with arbitrary array size types. 
llvm-svn: 104915
 2010-05-28 01:38:28 +00:00
Devang Patel
46e30f80bf Fix typo. 
llvm-svn: 104914
 2010-05-28 01:29:50 +00:00
Devang Patel
d7be13168c Fix typo. 
llvm-svn: 104913
 2010-05-28 01:17:51 +00:00
Eli Friedman
f73aa6f0dc Fix build breakage. 
llvm-svn: 104912
 2010-05-28 01:15:28 +00:00
Dan Gohman
bcee12027f Eliminate the restriction that the array size in an alloca must be i32. 
This will help reduce the amount of casting required on 64-bit targets.

llvm-svn: 104911
 2010-05-28 01:14:11 +00:00
Nate Begeman
afef35118d Add support to tablegen for auto-generating arm_neon.h from a tablegen description 
of the intrinsics.  The goal is to auto-generate both support for GCC-style (vector)
and ARM-style (struct of vector) intrinsics.

This is work in progress, but will be completed soon.

llvm-svn: 104910
 2010-05-28 01:08:32 +00:00
Bob Wilson
e2ff075e4c Add the cc_out operand for t2RSBrs instructions. I missed this when I changed 
the instruction class for t2RSB to add that operand in svn r104582.
Radar 8033757.

llvm-svn: 104907
 2010-05-28 00:27:15 +00:00
Jakob Stoklund Olesen
d76041cf58 Add a -regalloc=default option that chooses a register allocator based on the -O 
optimization level.

This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.

llvm-svn: 104904
 2010-05-27 23:57:25 +00:00
Jakob Stoklund Olesen
9f9fed5a7c Remove ancient prototype. 
llvm-svn: 104903
 2010-05-27 23:57:19 +00:00
Jim Grosbach
b004e2cf0f Update the saved stack pointer in the sjlj function context following either 
an alloca() or an llvm.stackrestore(). rdar://8031573

llvm-svn: 104900
 2010-05-27 23:49:24 +00:00
Evan Cheng
e6fe0bc9cc Use report_fatal_error, not llvm_unreachable. 
llvm-svn: 104899
 2010-05-27 23:45:31 +00:00
Jim Grosbach
d788f9b580 back out 104862/104869. Can reuse stacksave after all. Very cool. 
llvm-svn: 104897
 2010-05-27 23:11:57 +00:00
Dan Gohman
b049874698 Factor out the handler work from SignalHandler into a helper function, 
and change llvm::sys::RunInterruptHandlers to call that function directly
instead of calling SignalHandler, because the rest of SignalHandler
invokes side effects which aren't appropriate, including raising the
signal.

llvm-svn: 104896
 2010-05-27 23:11:55 +00:00
Evan Cheng
68be5ab54e llvm can't correctly support 'H', 'Q' and 'R' modifiers. Just mark it an error. 
llvm-svn: 104891
 2010-05-27 22:08:38 +00:00