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345b344e64
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42854 Commits

Author SHA1 Message Date
Mikhail Glushenkov
345b344e64 FindExecutable: remove the executability check. 
This makes the behaviour of FindExecutable more consistent across platforms, but
I'm not very happy with the name...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 20:32:46 +00:00
Mikhail Glushenkov
9cd5971228 Make FindProgramByName return paths with slashes unmodified on Windows. 
This makes its behaviour more consistent across platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118048 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 20:32:39 +00:00
Mikhail Glushenkov
0f2ec15b9e 80-col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118045 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 20:32:31 +00:00
Mikhail Glushenkov
f5a95ce0d4 Path: Add GetEXESuffix() to complement GetDLLSuffix(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 20:32:26 +00:00
Andrew Trick
4638852696 Fixes <rdar://problem/8612856>: During postRAsched, the antidependence 
breaker needs to check all definitions of the antidepenent register to
avoid multiple defs of the same new register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118032 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 18:16:45 +00:00
Dale Johannesen
1aabe1b493 Apply patch for use-after-free in InlineAsm constant handling, 
PR 8522 / 8616046.  Test reduction, analysis and patch by Tim Deegan!
(However, review by someone who understands the classes here better
is welcome.  John Krum will return!)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118030 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:59:27 +00:00
Jim Grosbach
28b108250d Sort bit assignments. Cosmetic change only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:59:04 +00:00
Devang Patel
c8821046f8 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:37:00 +00:00
Jim Grosbach
ab3d00e535 Revert r114340 (improvements in Darwin function prologue/epilogue), as it broke 
assumptions about stack layout. Specifically, LR must be saved next to FP.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:35:25 +00:00
Rafael Espindola
3ff57094a7 Add support for expressions in .sleb/.uleb directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118023 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:22:24 +00:00
Devang Patel
8bc9ef77b7 If value map does not have register for an argument then try to find frame index before giving up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118022 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:19:03 +00:00
Devang Patel
a90b305af9 Use frameindex, if available, as a last resort to emit debug info for a parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:01:30 +00:00
Owen Anderson
cf667be17b Add correct NEON encodings for vld2, vld3, and vld4 basic variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:24:55 +00:00
Eric Christopher
4053e63a4b Remove an assert - it's possible to be hit, and we just want to avoid 
handling those cases for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117996 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:24:49 +00:00
Eric Christopher
61d69da051 Whitespeace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:22:45 +00:00
Eric Christopher
aaa8df4cad No really, no thumb1 for arm fast isel. Also add an informative comment as 
to what someone would need to do to support thumb1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:21:28 +00:00
Jakob Stoklund Olesen
371e82bf51 Don't try to split weird critical edges that really aren't: 
BB#1: derived from LLVM BB %bb.nph28
    Live Ins: %AL
    Predecessors according to CFG: BB#0
	TEST8rr %reg16384<kill>, %reg16384, %EFLAGS<imp-def>; GR8:%reg16384
	JNE_4 <BB#2>, %EFLAGS<imp-use,kill>
	JMP_4 <BB#2>
    Successors according to CFG: BB#2 BB#2

These double CFG edges only ever occur in bugpoint-generated code, so there is
no need to attempt something clever.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:58:37 +00:00
Owen Anderson
e85bd773e6 Attempt to provide correct encodings for a number of other vld1 variants, which we can't test 
since we can neither generate nor parse them at the moment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:24:52 +00:00
Owen Anderson
b552174a8c Add aesthetic break. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117986 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:14:00 +00:00
Owen Anderson
d9aa7d30aa Add correct NEON encodings for the "multiple single elements" form of vld. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:05:05 +00:00
Jakob Stoklund Olesen
8bcf7603f7 MachineLICM should not claim to be preserving the CFG when it can split critical 
edges on demand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117982 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:59:55 +00:00
Jakob Stoklund Olesen
962c71089d Be more precise about verifying missing kill flags. 
It is legal for an instruction to have two operands using the same register,
only one a kill. This is interpreted as a kill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:59:53 +00:00
Jakob Stoklund Olesen
3d4114c464 When inserting copies during splitting, always use the parent register as the 
source, and let rewrite() clean it up.

This way, kill flags on the inserted copies are fixed as well during rewrite().

We can't just assume that all the copies we insert are going to be kills since
critical edges into loop headers sometimes require both source and dest to be
live out of a block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:59:48 +00:00
Jim Grosbach
9af3d1c0dc Explicitly check for non-consant reference in an LDRi12 instruction. Add FIXME 
for handling the fixup necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:45:50 +00:00
Jim Grosbach
a502423d1e Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:40:56 +00:00
Bob Wilson
665814b6be Add support for alignment operands on VLD1-lane instructions. 
This is another part of the fix for Radar 8599955.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117976 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:40:51 +00:00
Bill Wendling
cd944a424c Missed reverting this bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:17:54 +00:00
Bill Wendling
160accad6b Minor cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:11:22 +00:00
Chris Lattner
efd8dadb4f rearrange a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117967 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:07:52 +00:00
Bob Wilson
b796bbb6de Add NEON VLD1-lane instructions. Partial fix for Radar 8599955. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117964 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 22:04:05 +00:00
Jakob Stoklund Olesen
1c163d2a06 Add kill flag verification. 
At least X86FloatingPoint requires correct kill flags after register allocation,
and targets using register scavenging benefit. Conservative kill flags are not
enough.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117960 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:51:31 +00:00
Jakob Stoklund Olesen
79cb53ce95 Update kill flags while rewriting instructions after splitting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117959 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:51:29 +00:00
Bill Wendling
c2bf50245f Move the machine operand MC encoding patterns to the parent classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117956 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:17:06 +00:00
Owen Anderson
648b20d5db When folding away a (shl (shr)) pair, we need to check that the bits that will BECOME the low 
bits are zero, not that the current low bits are zero.  Fixes <rdar://problem/8606771>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117953 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:08:20 +00:00
Chris Lattner
99f535242c use our fancy new MnemonicAlias mechanism to remove a bunch of hacks 
from X86AsmParser.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117952 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:06:34 +00:00
Bill Wendling
40a5eb18b0 When we look at instructions to convert to setting the 's' flag, we need to look 
at more than those which define CPSR. You can have this situation:

(1)  subs  ...
(2)  sub   r6, r5, r4
(3)  movge ...
(4)  cmp   r6, 0
(5)  movge ...

We cannot convert (2) to "subs" because (3) is using the CPSR set by
(1). There's an analogous situation here:

(1)  sub   r1, r2, r3
(2)  sub   r4, r5, r6
(3)  cmp   r4, ...
(5)  movge ...
(6)  cmp   r1, ...
(7)  movge ...

We cannot convert (1) to "subs" because of the intervening use of CPSR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 20:41:43 +00:00
Jakob Stoklund Olesen
a37d5cf342 Don't assign new registers created during a split to the same stack slot, but 
give them individual stack slots once the are actually spilled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117945 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 19:49:57 +00:00
Jakob Stoklund Olesen
e8f0823a68 Add basic LiveStacks verification. 
When an instruction refers to a spill slot with a LiveStacks entry, check that
the spill slot is live at the instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117944 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 19:49:52 +00:00
Bob Wilson
24645a1a6d NEON does not support truncating vector stores. Radar 8598391. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117940 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 18:31:39 +00:00
Jim Grosbach
469ebbe148 Add FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117936 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 18:11:14 +00:00
Jim Grosbach
6797f89815 Add 'IsThumb' predicate to patterns marked as 'IsThumb1Only'. The latter gates 
codegen using the patterns; the latter gates the assembler recognizing the
instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117931 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 17:08:58 +00:00
Rafael Espindola
c70a1d985a Write the line info to .debug_line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117930 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 17:07:14 +00:00
Jim Grosbach
833c93c795 Mark ARM subtarget features that are available for the assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117929 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:59:54 +00:00
Jim Grosbach
d4462a5a4f trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117927 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:44:21 +00:00
Rafael Espindola
f89671d994 Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:27:31 +00:00
Jim Grosbach
9729d2e998 The T2 extract/pack instructions are only valid in Thumb2 mode. Mark the 
patterns as such

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117923 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 15:59:52 +00:00
Rafael Espindola
cc3acee7b3 Add support for .value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 15:29:07 +00:00
Rafael Espindola
484291c273 Implement .weakref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 14:28:48 +00:00
Bill Wendling
69661191ce Move instruction encoding bits into the parent class and remove the temporary 
*_Encode classes. These instructions are the only ones which use those classes,
so a subclass isn't necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 06:00:39 +00:00
Bill Wendling
9e7cb3d243 The testcase is now XFAILed. Sorry about the breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 05:50:55 +00:00