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Author SHA1 Message Date
Anton Korobeynikov
4935a02101 Restore snprintf weirdness for VCPP only 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91918 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 20:11:00 +00:00
Chris Lattner
aadadb3973 Fix the Convert to scalar to not insert dead loads in the store case. The 
load is needed when we have a small store into a large alloca (at which 
point we get a load/insert/store sequence), but when you do a full-sized
store, this load ends up being dead.

This dead load is bad in really large nasty testcases where the load ends
up causing mem2reg to insert large chains of dependent phi nodes which only
ADCE can delete.  Instead of doing this, just don't insert the dead load.

This fixes rdar://6864035



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 19:33:28 +00:00
Chris Lattner
97eee027f9 fix some fixme's by using twines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91916 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 19:23:33 +00:00
Jakob Stoklund Olesen
e9912dc553 Use proper move instructions. Make the verifier happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91914 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 18:49:55 +00:00
Bob Wilson
e261b0c90b Report an error for bad inline assembly, where the value passed for an 
"indirect" operand is not a pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91913 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 18:34:19 +00:00
Evan Cheng
b1f4981333 Remove target attribute break-sse-dep. Instead, do not fold load into sse partial update instructions unless optimizing for size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 17:47:23 +00:00
Douglas Gregor
3dac3b7d23 Include based on the current path, since we already -I the X86 target's path. Fixes CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 17:25:11 +00:00
Sanjiv Gupta
66500208a5 While converting one of the operands to a memory operand, we need to check if it is Legal and does not result into a cyclic dep. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91904 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 14:25:37 +00:00
Chris Lattner
a1aa8bba77 specify what is invalid about it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 07:03:21 +00:00
Chris Lattner
516088d4ae specify a triple to use, fixing the test on non-x86-64 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 07:01:12 +00:00
Chris Lattner
5a99615704 reject invalid input with a caret, e.g.: 
simple-tests.txt:16:1: error: invalid instruction
0xff 0xff
^




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91898 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:58:29 +00:00
Bob Wilson
f27a4cd783 Generalize SROA to allow the first index of a GEP to be non-zero. Add a 
missing check that an array reference doesn't go past the end of the array,
and remove some redundant checks for in-bound array and vector references
that are no longer needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91897 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:57:14 +00:00
Chris Lattner
665e947740 various cleanups, make the disassemble reject lines with too much 
data on them, for example:

	addb	%al, (%rax)
simple-tests.txt:11:5: error: excess data detected in input
0 0 0 0 0 
    ^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91896 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:56:51 +00:00
Chris Lattner
c3de94fabf If you thought that it didn't make sense for the disassembler 
to not produce caret diagnostics, you were right!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91895 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:45:48 +00:00
Chris Lattner
2adbef06a6 rewrite the file parser for the disassembler, implementing support for 
comments.  Also, check in a simple testcase for the disassembler,
including a test for r91864


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91894 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:37:58 +00:00
Chris Lattner
222af46482 don't crash on blank lines, rename some variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:24:00 +00:00
Chris Lattner
1a0e7081c3 Implement PR5795 by merging duplicated return blocks. This could go further 
by merging all returns in a function into a single one, but simplifycfg 
currently likes to duplicate the return (an unfortunate choice!)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91890 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:07:30 +00:00
Chris Lattner
42385b03aa convert to filecheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91889 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:04:26 +00:00
Chris Lattner
508355c982 don't run GVN at -O1, GCC doesn't do it's equivalent at that optimization level. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91886 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 04:47:41 +00:00
Chris Lattner
0ee443d169 The phi translated pointer can be computed when returning a partially cached result 
instead of stored.  This reduces memdep memory usage, and also eliminates a bunch of
weakvh's.  This speeds up gvn on gcc.c-torture/20001226-1.c from 23.9s to 8.45s (2.8x)
on a different machine than earlier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91885 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 04:25:02 +00:00
Bill Wendling
3ea3c24619 Add more plumbing. This time in the LowerArguments and "get" functions which 
return partial registers. This affected the back-end lowering code some.

Also patch up some places I missed before in the "get" functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91880 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 02:10:19 +00:00
Sean Callanan
06b766d1c0 Changed REG_* to MODRM_REG_* to avoid conflicts 
with symbols in AuroraUX's global namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91879 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 02:07:42 +00:00
Daniel Dunbar
baf2e35e18 Fix some may-be-uninitialized var warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:41:37 +00:00
Chris Lattner
336e06bd0f fix unit test that I broke. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91877 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:38:23 +00:00
Bill Wendling
651ad13d3c Add SDNode ordering to inlined asm and VA functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91876 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:25:10 +00:00
Eric Christopher
f734be2ba4 Whitespace fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91875 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:23:51 +00:00
Chris Lattner
8a8f818595 types don't need atomic inc/dec, they are local to an llvmcontext. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91873 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:17:43 +00:00
Bill Wendling
ec72e32fb0 Adding more assignment of ordering to SDNodes. This time in the "call" and 
generic copy functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91872 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:11:43 +00:00
Sean Callanan
0122c9051a Fixed library dependencies between the X86 disassembler and 
X86 codegen that were causing circular symbol dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91871 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:11:26 +00:00
Chris Lattner
9b96ecaffa avoid calling extractMallocCall when it's obvious we don't have 
a call.  This speeds up memdep ~1.5%


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91869 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:00:32 +00:00
Chris Lattner
a25bc44663 comment fix: weakvh -> tracking vh 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91867 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:51:57 +00:00
Bill Wendling
e80ae836f2 Add ordering of SDNodes to LowerCallTo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:50:32 +00:00
Chris Lattner
ffc0574a12 print pcrel immediates as signed values instead of unsigned so that we 
get things like this out of the disassembler:

0x100000ecb: callq	-96

instead of:

0x100000ecb: callq	4294967200

rdar://7491123



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91864 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:44:05 +00:00
Bill Wendling
d0283fa69f Now add ordering to SDNodes created by the massive intrinsic lowering function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91863 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:40:51 +00:00
Bill Wendling
856ff41079 To make things interesting, I added MORE code to set the ordering of 
SDNodes. This time in the load/store and limited-precision code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91860 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:12:37 +00:00
Lang Hames
74ab5eeffb Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint. 
This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:11:50 +00:00
Bill Wendling
87710f04e5 Add more plumbing to assign ordering to SDNodes. Have the "getValue" method 
assign the ordering when called. Combine some of the ordering assignments to
keep things simple.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91857 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 23:47:40 +00:00
Daniel Dunbar
eddfaaf07e Add suggested parentheses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91853 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 23:27:57 +00:00
Chris Lattner
d2191e549b Add a fastpath to Load GVN to special case when we have exactly one dominating 
load to avoid even messing around with SSAUpdate at all.  In this case (which
is very common, we can just use the input value directly).

This speeds up GVN time on gcc.c-torture/20001226-1.c from 36.4s to 16.3s,
which still isn't great, but substantially better and this is a simple speedup
that applies to lots of different cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91851 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 23:15:48 +00:00
Bill Wendling
e1a9042041 More ordering plumbing. This time for GEP. I need to remember to assign 
orderings to values returned by getValue().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91850 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 23:10:19 +00:00
Chris Lattner
5362c545e8 refactor some code out to a new helper method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91849 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 23:04:33 +00:00
Chris Lattner
25bceead50 improve indentation avoid a pointless conversion from weakvh to trackingvh, 
no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91848 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 22:43:03 +00:00
Bill Wendling
b85b6e8882 Another incremental check-in for assigning ordering to SDNodes. This time for 
shuffle and insert vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 22:42:14 +00:00
Bill Wendling
49fcff8a5d Assign ordering to more instructions. Incremental check-in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91846 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 22:30:11 +00:00
Bill Wendling
0777e92721 - Add a bit more plumbing assigning an order to SDNodes. 
- Modify the "dump" method to emit the order of an SDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91845 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 21:59:52 +00:00
David Greene
f660802f34 Fix a bug in !subst where TableGen would go and resubstitute text it had 
just substituted.  This could cause infinite looping in certain
pathological cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 21:21:34 +00:00
Anton Korobeynikov
7b1eb8a409 Remove uber-gross hack. The define _snprintf to snprintf is invalid due to two reasons: 1. Accroding to C++ standard snprintf should be available in std namespace (and __gnu_cxx in case of GCC to). Such ifdef will change all snprintf's to _snprintf's, but won't bring snprintf to all necessary namespaces. Thus e.g. any locale-using code on mingw will yield an error (include this file + string to see the result) 2. MSVCRT's _snprintf does not comply with C99 standard. Standard one is snprintf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91842 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 20:19:37 +00:00
Anton Korobeynikov
7058f9c114 Mark FPW as allocable when frame address is taken. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91841 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 20:18:49 +00:00
Bill Wendling
3b7a41ce90 First wave of plumbing for assigning an ordering to SDNodes. This takes care of 
a lot of the branching instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 19:59:38 +00:00
Evan Cheng
102ebf16b6 Delete the instruction just before the function terminates for consistency sake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 19:53:39 +00:00