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Author SHA1 Message Date
Wesley Peck
d66a32c35f Teach the MBlaze disassembler to disassemble special purpose registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122269 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 21:18:04 +00:00
Roman Divacky
d149186e15 Set the value of absolute symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122268 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 21:14:39 +00:00
Bill Wendling
d7a0852464 This is still used and issuing an annoying warning. Don't deprecate something in 
the library unless *all* uses have been converted over to the new form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 21:14:18 +00:00
Duncan Sands
69fdf876e1 Oops, forgot to add the pass itself! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 21:07:42 +00:00
Duncan Sands
43ff68ded0 Add a new convenience pass for testing InstructionSimplify. Previously 
it could only be tested indirectly, via instcombine, gvn or some other
pass that makes use of InstructionSimplify, which means that testcases
had to be carefully contrived to dance around any other transformations
that that pass did.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 20:54:37 +00:00
Roman Divacky
1ae3c165f7 Print all 64bits for st_value and st_size. Adjust tests accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 20:49:43 +00:00
Wesley Peck
9c0068f0a3 Teach the MBlaze asm parser how to parse special purpose register names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 20:43:24 +00:00
Dale Johannesen
025cc6e1be Cosmetic changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 20:10:50 +00:00
Benjamin Kramer
b0de244f23 Add a check missing from my last commit and avoid a potential overflow situation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122258 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 20:00:31 +00:00
Owen Anderson
87790abb08 More LVI cleanups, including trying to simplify the process of maintaining the OverDefinedCache. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 19:33:41 +00:00
Owen Anderson
6186394528 Reuse the reference into the LVI cache throughout the solver subsystem. This is much easier to 
verify as being safe thanks its recent de-recursivization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122254 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 18:18:16 +00:00
Benjamin Kramer
4dc1ac0947 Reduce indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122249 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 16:21:59 +00:00
Benjamin Kramer
5337f20c15 Teach InstCombine to merge (icmp ult (X + CA), C1) | (icmp eq X, C2) into (icmp ult (X + CA), C1 + 1) if C2 + CA == C1. 
InstCombine creates these so now we compile x == 23 || x == 24 || x == 25 to
  %x.off = add i32 %x, -23
  %1 = icmp ult i32 %x.off, 3
instead of
  %x.off = add i32 %x, -23
  %1 = icmp ult i32 %x.off, 2
  %cmp3 = icmp eq i32 %x, 25
  %ret2 = or i1 %1, %cmp3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122248 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 16:18:51 +00:00
Daniel Dunbar
67e0c212c2 Add header... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 15:45:51 +00:00
Daniel Dunbar
9b2f25e313 X86/MC/Mach-O: Split out createX86MachObjectWriter(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122246 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 15:07:39 +00:00
Duncan Sands
ee9a2e322a Have SimplifyBinOp dispatch Xor, Add and Sub to the corresponding methods 
(they had just been forgotten before).  Adding Xor causes "main" in the
existing testcase 2010-11-01-lshr-mask.ll to be hugely more simplified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122245 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 14:47:04 +00:00
Michael J. Spencer
c41f4de754 Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122244 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 13:30:37 +00:00
Michael J. Spencer
2d484eb88d Support/PathV2: Add missing has_relative_path impl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122243 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 13:30:28 +00:00
Duncan Sands
0d7ce5ffa4 There is no need for isAssociative to take the type as an argument anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 13:10:23 +00:00
Duncan Sands
8e4f4390bc Discourage people from using isWeakForLinker when they should be using 
mayBeOverridden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122241 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 10:57:01 +00:00
Oscar Fuentes
784a176bc3 New cmake option LLVM_APPEND_VC_REV for controlling when the VC 
revision id is appended to the LLVM version string. Defaults to
OFF.

Until now the VC revision id was always appended to the revision
string whenever cmake was invoked (either explicitly or implicitly
because a cmake source file changed). This was causing massive
recompilations because config.h are reconfigured with the new contents
of PACKAGE_VERSION.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122240 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 09:47:13 +00:00
Oscar Fuentes
ec33e8dcd6 Update cmake library dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122239 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 09:47:08 +00:00
Chris Lattner
2b9375e44b fix PR8807 by making transformConstExprCastCall aware of byval arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122238 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 08:36:38 +00:00
Chris Lattner
ab215bc371 various cleanups for transformConstExprCastCall 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122237 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 08:25:06 +00:00
Chris Lattner
0b66f63a26 when eliding a byval copy due to inlining a readonly function, we have 
to make sure that the reused alloca has sufficient alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122236 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 08:10:40 +00:00
Chris Lattner
e7ae705c32 pull byval processing out to its own helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122235 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 07:57:41 +00:00
Chris Lattner
018fb767b9 fix PR8769, a miscompilation by inliner when inlining a function with a byval 
argument.  The generated alloca has to have at least the alignment of the
byval, if not, the client may be making assumptions that the new alloca won't
satisfy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 07:45:28 +00:00
Chris Lattner
572335915f merge two tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 07:39:57 +00:00
Chris Lattner
b0af8ce1d9 filecheckize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122232 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 07:38:24 +00:00
Cameron Zwarich
2100d21f39 MachineVerifier should count landing pad successors as basic blocks rather than 
out-edges. Fixes PR8824.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 04:19:48 +00:00
Cameron Zwarich
0b13d7db28 Teach MachineVerifier that early clobber defs begin at USE slots and other defs 
begin at DEF slots. Fixes the second half of PR8813.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122225 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 03:15:20 +00:00
Cameron Zwarich
5e61f9916e Add a missing check from r122218. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122224 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 02:59:51 +00:00
Chris Lattner
315b6f77bc temporarily disable this: PR8823. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122222 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 02:11:23 +00:00
Chris Lattner
5c3d4f0fc9 implement type legalization promotion support for SMULO and UMULO, giving 
ARM (and other 32-bit-only) targets support for i8 and i16 overflow 
multiplies.  The generated code isn't great, but this at least fixes
CodeGen/Generic/overflow.ll when running on ARM hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122221 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 02:05:39 +00:00
Chris Lattner
23a0199f05 now that addc/adde are gone, "ADDC" in the X86 backend uses EFLAGS results, 
the same as setcc.  Optimize ADDC(0,0,FLAGS) -> SET_CARRY(FLAGS).  This is
a step towards finishing off PR5443.  In the testcase in that bug we now  get:

	movq	%rdi, %rax
	addq	%rsi, %rax
	sbbq	%rcx, %rcx
	testb	$1, %cl
	setne	%dl
	ret

instead of:

	movq	%rdi, %rax
	addq	%rsi, %rax
	movl	$0, %ecx
	adcq	$0, %rcx
	testq	%rcx, %rcx
	setne	%dl
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122219 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 01:37:09 +00:00
Cameron Zwarich
636f15ff04 Don't assume that an instruction ending a register's live range always reads 
the register; it may be a dead def instead. Fixes PR8820.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122218 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 01:22:37 +00:00
Chris Lattner
39ffcb7b62 We lower setb to sbb with the hope that the and will go away, when it 
doesn't, match it back to setb.

On a 64-bit version of the testcase before we'd get:

	movq	%rdi, %rax
	addq	%rsi, %rax
	sbbb	%dl, %dl
	andb	$1, %dl
	ret

now we get:

	movq	%rdi, %rax
	addq	%rsi, %rax
	setb	%dl
	ret




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122217 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 01:16:03 +00:00
Mon P Wang
b085181258 Test case for r122215 when InstCombine optimizes memset 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122216 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 01:06:23 +00:00
Mon P Wang
55fb9b0fcf Avoid dropping the address space when InstCombine optimizes memset 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 01:05:30 +00:00
Chris Lattner
d8ff7eca8c use for loop over types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 01:03:27 +00:00
Chris Lattner
5b85654844 Change the X86 backend to stop using the evil ADDC/ADDE/SUBC/SUBE nodes (which 
their carry depenedencies with MVT::Flag operands) and use clean and beautiful
EFLAGS dependences instead.

We do this by changing the modelling of SBB/ADC to have EFLAGS input and outputs
(which is what requires the previous scheduler change) and change X86 ISelLowering
to custom lower ADDC and friends down to X86ISD::ADD/ADC/SUB/SBB nodes.

With the previous series of changes, this causes no changes in the testsuite, woo.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:59:46 +00:00
Chris Lattner
4d8455ea4d update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122212 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:56:59 +00:00
Chris Lattner
37944985a5 Fix a bug in the scheduler's handling of "unspillable" vregs. 
Imagine we see:

EFLAGS = inst1
EFLAGS = inst2 FLAGS
gpr = inst3 EFLAGS

Previously, we would refuse to schedule inst2 because it clobbers
the EFLAGS of the predecessor.  However, it also uses the EFLAGS
of the predecessor, so it is safe to emit.  SDep edges ensure that
the right order happens already anyway.

This fixes 2 testsuite crashes with the X86 patch I'm going to
commit next.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122211 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:55:43 +00:00
Mon P Wang
e273690d7a Add comment for testcase for 122206 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122210 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:54:26 +00:00
Chris Lattner
142d21c861 the result of CheckForLiveRegDef is dead, remove it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:51:56 +00:00
Chris Lattner
5078293cc2 reduce indentation, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:50:16 +00:00
Cameron Zwarich
8ec88ba588 Ignore debug values when performing MachineVerifier liveness checks. Fixes 
PR8822.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122207 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 00:08:10 +00:00
Mon P Wang
a0fd0d5b27 Prevents PerformShuffleCombine from creating a node with an illegal type after legalize types 
has run, e.g., prevent creating an i64 node from a v2i64 when i64 is not a legal type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 23:55:53 +00:00
Cameron Zwarich
1b031ddede Early clobber operands are allowed to be defined at use indices. This fixes one 
half of PR8813.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 23:50:53 +00:00
Chris Lattner
f2a97ed13d fix an oversight caught by Frits! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122204 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 23:24:04 +00:00