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30165 Commits

Author SHA1 Message Date
Evan Cheng
b639684766 Fixing cp island pass. Step 1: Determine whether the constant pool offset can be 
negative on an individual bases rather than basing on whether it's in thumb
mode.

llvm-svn: 76698
 2009-07-21 23:56:01 +00:00
Evan Cheng
149b0d4cf1 Fix comment. 
llvm-svn: 76693
 2009-07-21 23:54:22 +00:00
Chris Lattner
4d3b78e0f5 simplify code now that it is inlined. 
llvm-svn: 76689
 2009-07-21 23:49:55 +00:00
Lang Hames
0e61f87ea3 Exposed PHIElimination pass within CodeGen. 
llvm-svn: 76688
 2009-07-21 23:47:33 +00:00
Chris Lattner
b9332126cc Now that RelocBehaviour() is never overloaded, it doesn't need to be 
virtual.  Just inline it into its two current call sites in preparation
for simplifying the code.

llvm-svn: 76686
 2009-07-21 23:47:11 +00:00
Chris Lattner
c1c5dab4c4 this doesn't break any of the 4 ia64 tests. 
llvm-svn: 76683
 2009-07-21 23:42:24 +00:00
Chris Lattner
5c144a5948 alpha doesn't need to redefine this: it only supports PIC codegen anyway. 
llvm-svn: 76682
 2009-07-21 23:41:35 +00:00
David Greene
ddaf106a0c Add some support for iterative coalescers to calculate a joined live 
range's weight properly.  This is turned off right now in the sense that
you'll get an assert if you get into a situation that can only be caused
by an iterative coalescer.  All other code paths operate exactly as
before so there is no functional change with this patch.  The asserts
should be disabled if/when an iterative coalescer gets added to trunk.

llvm-svn: 76680
 2009-07-21 23:36:14 +00:00
Chris Lattner
fb908d7671 no really, I can spell! 
llvm-svn: 76679
 2009-07-21 23:36:01 +00:00
Chris Lattner
11b49ed2ce add an API so target-independent codegen can determine if a constant 
pool entry will require relocations against it.  I implemented this
conservatively for ARM, someone who is knowledgable about it should
see if this can be improved.

llvm-svn: 76678
 2009-07-21 23:34:23 +00:00
Dan Gohman
b45091f0f9 Convert instcombine from using using getAnalysis<TargetData> to 
getAnalysisIfAvailable<TargetData>.

llvm-svn: 76676
 2009-07-21 23:21:54 +00:00
Dan Gohman
8577dd4cca Permit the IntPtrTy argument to isEliminableCastPair to be null, 
to help support use when TargetData is not available.

llvm-svn: 76675
 2009-07-21 23:19:40 +00:00
Bruno Cardoso Lopes
3483574772 Change ELFCodeEmitter logic to emit the constant pool and jump tables to 
their appropriate sections before the code itself. They need to be emitted
before the function because on some targets (x86 but not x86_64) the later
may reference a JT or CP entry address

llvm-svn: 76672
 2009-07-21 23:13:26 +00:00
Dan Gohman
190d29cb5c Replace the original ad-hoc code for determining whether (v pred w) implies 
(x pred y) with more thorough code that does more complete canonicalization
before resorting to range checks. This helps it find more cases where
the canonicalized expressions match.

llvm-svn: 76671
 2009-07-21 23:03:19 +00:00
Chris Lattner
fb3e6ae8b2 remove the last bits of SectionFlagsForGlobal. There is some flag here that 
depends on XS1A, but I think the ReadOnlySection is already set up for this
and there is no testcase that this breaks.  If this is really needed, we can
add the appropriate parameterization to TargetAsmInfo in the future to support
this.

llvm-svn: 76667
 2009-07-21 22:42:37 +00:00
Chris Lattner
bca235c1d3 don't mask out the small flag and then reapply it later. 
llvm-svn: 76666
 2009-07-21 22:39:28 +00:00
Chris Lattner
34ba5422cd if Xcore doesn't support TLS, it doesn't have to worry about thread local LLVM IR, it should be rejected by a front-end. 
llvm-svn: 76665
 2009-07-21 22:37:38 +00:00
Chris Lattner
aa793632ff remove the Xcore implementation of SelectSectionForGlobal. While you have 
to twist your brain to see it, I believe it is the same as ELFTargetAsmInfo::SelectSectionForGlobal.

llvm-svn: 76664
 2009-07-21 22:36:53 +00:00
Chris Lattner
8a24ab398f simplify based on the fact that darwin always uses L/l. 
llvm-svn: 76662
 2009-07-21 22:32:55 +00:00
Chris Lattner
b52c8153f3 make some stuff private. 
llvm-svn: 76661
 2009-07-21 22:30:39 +00:00
Chris Lattner
0a3a6f2ceb Remove the XCore custom implementation of MergeableConstSection, relying on 
the generic ELF version instead.  This will result in its mergable constant
sections getting named ".rodata.cst4" instead of ".cp.const4", but the
linker looks at the section flags, not the name of the section AFAICT.

llvm-svn: 76659
 2009-07-21 22:25:52 +00:00
Chris Lattner
8d061f011b inline a trivial method into its only call site and fix indentation of cases 
llvm-svn: 76654
 2009-07-21 21:29:08 +00:00
Chris Lattner
4815d4919c Remove some overridden functions in XCoreTargetAsmInfo that are 
implemented exactly the same way as its ELFTargetAsmInfo subclass 
has them.

llvm-svn: 76653
 2009-07-21 21:26:32 +00:00
Chris Lattner
135caf1a2b revert r76602, 76603, and r76615, pending design discussions. 
llvm-svn: 76646
 2009-07-21 21:12:58 +00:00
Chris Lattner
589a37a068 minor cleanups. 
llvm-svn: 76645
 2009-07-21 21:09:35 +00:00
Owen Anderson
a8637e9824 Privatize the ConstantArray table. 
llvm-svn: 76639
 2009-07-21 20:55:28 +00:00
Eli Friedman
a78b44069b Missed a piece of the commit to remove the shift flavor. 
llvm-svn: 76635
 2009-07-21 20:15:24 +00:00
Owen Anderson
bdcb99324a Privatize the first of the value maps. 
llvm-svn: 76634
 2009-07-21 20:13:12 +00:00
Eli Friedman
45160af6bd Remove shift amount flavor. It isn't actually complete enough to 
be useful, and it's currently unused.  (Some issues: it isn't actually 
rich enough to capture the semantics on many architectures, and
semantics can vary depending on the type being shifted.)

llvm-svn: 76633
 2009-07-21 20:12:16 +00:00
Eli Friedman
a62553ec99 Remove a couple of already-implemented notes. 
llvm-svn: 76631
 2009-07-21 20:05:43 +00:00
David Greene
94bfedaf40 Prefix IR dumps with LiveInterval indices when possible. This turns 
this:

	%ESI<def> = MOV32rr %EDI<kill>
	ADJCALLSTACKDOWN64 0, %RSP<imp-def>, %EFLAGS<imp-def,dead>, %RSP<imp-use>
	%reg1027<def> = MOVZX64rr32 %ESI
	%reg1027<def> = ADD64ri8 %reg1027, 15, %EFLAGS<imp-def,dead>
	%reg1027<def> = AND64ri8 %reg1027, -16, %EFLAGS<imp-def,dead>
	%RDI<def> = MOV64rr %RSP
	%RDI<def> = SUB64rr %RDI, %reg1027<kill>, %EFLAGS<imp-def,dead>
	%RSP<def> = MOV64rr %RDI

into this:

4	%reg1024<def> = MOV32rr %EDI<kill>
12	ADJCALLSTACKDOWN64 0, %RSP<imp-def>, %EFLAGS<imp-def,dead>, %RSP<imp-use>
20	%reg1025<def> = MOVZX64rr32 %reg1024
28	%reg1026<def> = MOV64rr %reg1025<kill>
36	%reg1026<def> = ADD64ri8 %reg1026, 15, %EFLAGS<imp-def,dead>
44	%reg1027<def> = MOV64rr %reg1026<kill>
52	%reg1027<def> = AND64ri8 %reg1027, -16, %EFLAGS<imp-def,dead>
60	%reg1028<def> = MOV64rr %RSP
68	%reg1029<def> = MOV64rr %reg1028<kill>
76	%reg1029<def> = SUB64rr %reg1029, %reg1027<kill>, %EFLAGS<imp-def,dead>
84	%RSP<def> = MOV64rr %reg1029

This helps greatly when debugging register allocation and coalescing
problems.

llvm-svn: 76615
 2009-07-21 18:56:32 +00:00
Evan Cheng
66f1d7a0e1 Add fake v7 itineraries for now. 
llvm-svn: 76612
 2009-07-21 18:54:14 +00:00
Chris Lattner
3d4ab7a231 make AsmPrinter::doFinalization iterate over the global variables 
and call PrintGlobalVariable, allowing elimination and simplification
of various targets.

llvm-svn: 76604
 2009-07-21 18:38:57 +00:00
David Greene
979d7aa03a Add PrefixPrinter arguments to the dump routines for MachineFunction and 
MachineBasicBlock.  We'll use these shortly.

llvm-svn: 76603
 2009-07-21 18:27:05 +00:00
Evan Cheng
192fc19379 Do not select tSXTB / tSXTH in thumb2 mode. 
llvm-svn: 76600
 2009-07-21 18:15:26 +00:00
Owen Anderson
7f61f8dc30 Rename getConstantInt{True|False} to get{True|False} at Chris' behest. 
llvm-svn: 76598
 2009-07-21 18:03:38 +00:00
Chris Lattner
89785b23b8 reduce indentation by using an early exit. 
llvm-svn: 76596
 2009-07-21 17:59:36 +00:00
Ted Kremenek
60d0ab4838 Update CMake files. 
llvm-svn: 76595
 2009-07-21 17:43:20 +00:00
Chris Lattner
ac0f5e081e whitespace cleanups, make the MipsAsmPrinter::doInitialization 
chain to the super class instead of initializing mangler directly.
This gives it .file and module level inline asm support among other
things.

llvm-svn: 76593
 2009-07-21 17:39:48 +00:00
Chris Lattner
433fbf959a fix Sparc, SystemZ, and MSP430 to not override AsmPrinter::doInitialization. 
This eliminates redundancy setting up the mangler and adds support to them
for module-level inline asm and a .file directive.

llvm-svn: 76592
 2009-07-21 17:37:35 +00:00
Chris Lattner
0f65fbf095 Rename LessPrivateGlobalPrefix -> LinkerPrivateGlobalPrefix to match the 
LLVM IR concept.

llvm-svn: 76590
 2009-07-21 17:30:51 +00:00
Chris Lattner
61fcb8d26b fix indentation 
llvm-svn: 76587
 2009-07-21 17:25:13 +00:00
Chris Lattner
31a9d57bb9 remove an unneeded override. 
llvm-svn: 76586
 2009-07-21 17:23:41 +00:00
Chris Lattner
2c8fed2c75 more random whitespace cleanup, eliminate #define, avoid copying 
vectors needlessly, doxygenify comments, improve constness, etc.

llvm-svn: 76585
 2009-07-21 17:20:18 +00:00
Chris Lattner
99a474f026 some simple whitespace cleanup, avoid copying vectors for no reason 
as much, etc.

llvm-svn: 76578
 2009-07-21 16:44:47 +00:00
Evan Cheng
c142755cec Another rewriter bug exposed by recent coalescer changes. ReuseInfo::GetRegForReload() should make sure the "switched" register is in the desired register class. I'm surprised this hasn't caused more failures in the past. 
llvm-svn: 76558
 2009-07-21 09:15:00 +00:00
Daniel Dunbar
3447c5ce67 Add missing include. 
llvm-svn: 76555
 2009-07-21 08:58:44 +00:00
Daniel Dunbar
6f594a00b0 Switch this API to StringRef. 
llvm-svn: 76554
 2009-07-21 08:57:31 +00:00
Daniel Dunbar
a0a76c174b Simplify / normalize some uses of Value::getName. 
llvm-svn: 76553
 2009-07-21 08:54:24 +00:00
Daniel Dunbar
1edc7a0eab Remove some unused code. 
llvm-svn: 76541
 2009-07-21 07:08:59 +00:00