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21312 Commits

Author SHA1 Message Date
Chris Lattner
5a62d0a038 remove a couple more unsafe xforms in the face of overflow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45613 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-05 01:22:42 +00:00
Chris Lattner
b656601943 remove the (x-y) < 0 comparison xform, it miscompiles 
things that are not equality comparisons, for example:
   (2147479553+4096)-2147479553 < 0    !=   (2147479553+4096) < 2147479553


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45612 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-05 01:18:20 +00:00
Owen Anderson
a393cd3306 I should not be allowed to commit when sleepy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45608 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-05 00:48:55 +00:00
Evan Cheng
0475ab58b8 Combine MovePCtoStack + POP32r into one instruction MOVPC32r so it can be moved if needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45605 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-05 00:41:47 +00:00
Owen Anderson
d94b6a16fe Move some more functionality from MRegisterInfo to TargetInstrInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45603 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 23:57:37 +00:00
Bill Wendling
67d65bb69d Don't recalculate the loop info and loop dominators analyses if they're 
preserved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45596 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 20:54:55 +00:00
Wojciech Matyjewicz
21a715a124 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45594 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 20:02:18 +00:00
Evan Cheng
991500e329 Unbreak tailcall opt in JIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 10:50:28 +00:00
Evan Cheng
be8c03fc66 X86 PIC JIT support fixes: encoding bugs, add lazy pointer stubs support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 10:46:51 +00:00
Bill Wendling
2674d71df0 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45574 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 08:59:18 +00:00
Bill Wendling
d5da7048c2 Add that this preserves some analyses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45573 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 08:48:49 +00:00
Bill Wendling
cc8f603f53 Move option to enable machine LICM into LLVMTargetMachine.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45572 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 08:11:03 +00:00
Bill Wendling
b082c6f5d9 Call the parent's getAnalysisUsage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45571 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 07:50:05 +00:00
Chris Lattner
c4ce73f666 Add a really quick hack at a machine code sinking pass, enabled with --enable-sinking. 
It is missing validity checks, so it is known broken.  However, it is powerful enough
to compile this contrived code:

void test1(int C, double A, double B, double *P) {
  double Tmp = A*A+B*B;
  *P = C ? Tmp : A;
}

into:

_test1:
	movsd	8(%esp), %xmm0
	cmpl	$0, 4(%esp)
	je	LBB1_2	# entry
LBB1_1:	# entry
	movsd	16(%esp), %xmm1
	mulsd	%xmm1, %xmm1
	mulsd	%xmm0, %xmm0
	addsd	%xmm1, %xmm0
LBB1_2:	# entry
	movl	24(%esp), %eax
	movsd	%xmm0, (%eax)
	ret

instead of:

_test1:
	movsd	16(%esp), %xmm0
	mulsd	%xmm0, %xmm0
	movsd	8(%esp), %xmm1
	movapd	%xmm1, %xmm2
	mulsd	%xmm2, %xmm2
	addsd	%xmm0, %xmm2
	cmpl	$0, 4(%esp)
	je	LBB1_2	# entry
LBB1_1:	# entry
	movapd	%xmm2, %xmm1
LBB1_2:	# entry
	movl	24(%esp), %eax
	movsd	%xmm1, (%eax)
	ret

woo.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45570 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 07:36:53 +00:00
Chris Lattner
ac69582664 remove dead #includes and reorder the rest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 06:41:45 +00:00
Chris Lattner
9027b3cc7f Fix PR1896 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45568 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 05:04:53 +00:00
Evan Cheng
165b60de0b Correct order of parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-04 02:22:21 +00:00
Chris Lattner
c45f5c7652 Remove symbols that don't exist, remove tabs, fix comment typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45553 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 22:15:32 +00:00
Gordon Henriksen
ae636f8e99 First steps in in X86 calling convention cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45536 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 16:47:34 +00:00
Chris Lattner
3d73bce2d0 don't hoist FP additions into unconditional adds + selects. This 
could theoretically introduce a trap, but is also a performance issue.
This speeds up ptrdist/ks by 8%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45533 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 07:25:26 +00:00
Chris Lattner
76327d9cf5 Fix PR1873, a problem finding stat-related symbols on linux, due to 
"libc_nonshared.a". Patch by Edwin Török!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 07:10:51 +00:00
Gordon Henriksen
23d9791ddd Trying that again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45529 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 03:32:33 +00:00
Gordon Henriksen
98232f5859 Fix a compile error on Windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 03:21:18 +00:00
Evan Cheng
02aabbf96b Change MachineRelocation::DoesntNeedFnStub to NeedStub. This fields will be used 
for non-function GV relocations that require function address stubs (e.g. Mac OS X in non-static mode).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 02:56:28 +00:00
Chris Lattner
50cffa0107 Remove the function attr cache for intrinsics. This does not maintain the 
refcount on these correctly, and can end up referring to deleted 
attributes.  This fixes PR1881.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45525 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 01:20:12 +00:00
Chris Lattner
89e94bd00c Don't create a new ParamAttrsList (which copies the vector) just to 
get a profile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45524 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 00:29:27 +00:00
Chris Lattner
fabfde3ff0 move some code out of line, rearrange a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-03 00:10:22 +00:00
Chris Lattner
50ee9ddc8f Split param attr implementation out from Function.cpp into its 
own file.  Don't #include ParameterAttributes.h into any major
public header files: just move methods out of line as appropriate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45517 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 23:42:30 +00:00
Chris Lattner
a114b14e5d add missing #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 23:41:05 +00:00
Evan Cheng
306cbdbee7 X86 PIC JIT bug fix: relocations for constantpool and jumptable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 23:38:59 +00:00
Chris Lattner
f897b7d305 remove blob of #if'd out code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 23:10:45 +00:00
Chris Lattner
5dfdc1c809 Fix a build issue on cygwin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45506 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 22:03:27 +00:00
Bill Wendling
dde059a9de Use the correct MachineRegisterInfo object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45499 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 21:10:54 +00:00
Bill Wendling
3100afaf3f Machine LICM will check that operands are defined outside of the loop. Also 
check that register isn't 0 before going further.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 21:10:40 +00:00
Bill Wendling
a4b662272d Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45496 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 20:47:37 +00:00
Chris Lattner
7ad92d81e2 darwin9 and above support aligned common symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45494 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 19:44:55 +00:00
Chris Lattner
564da5d646 leopard and above support alignment for common symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45493 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 19:35:16 +00:00
Bill Wendling
9258cd3994 Use the new architecture to get the containing machine basic block for a machine 
instruction. Also, use "splice" to move the new instruction instead of
remove/insert (where it was leaking memory anyway).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45492 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 19:32:43 +00:00
Nick Lewycky
aeb5e5cdb7 Don't be rude, emit debugging info where asked to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45485 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-02 02:49:20 +00:00
Owen Anderson
f6372aa1cc Move some more instruction creation methods from RegisterInfo into InstrInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45484 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 21:11:32 +00:00
Chris Lattner
80fe5311b5 Make MachineRegisterInfo::getVRegDef more efficient by aiming the keep the def of the vreg at the start of the list, so the list doesn't need to be traversed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 21:08:22 +00:00
Chris Lattner
e138b3dd1f switch the register iterator to act more like hte LLVM value iterator: dereferencing 
it now returns the machineinstr of the use.  To get the operand, use I.getOperand().

Add a new MachineRegisterInfo::replaceRegWith, which is basically like
Value::replaceAllUsesWith.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45482 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 20:36:19 +00:00
Gordon Henriksen
ab477ccde9 Adding C bindings for SwitchInst::addCase. 
Patch by Bryan O'Sullivan!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45481 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 05:50:53 +00:00
Chris Lattner
a91a7d594f Add a trivial but handy function to efficiently return the machine 
instruction that defines the specified vreg.  Crazy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 03:07:29 +00:00
Chris Lattner
62ed6b9ade Implement automatically updated def/use lists for all MachineInstr register 
operands.  The lists are currently kept in MachineRegisterInfo, but it does
not yet provide an iterator interface to them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45477 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 01:12:31 +00:00
Chris Lattner
264e6fec9f Fix a bug in my previous patch: refer to the impl not the pure virtual version. It's unclear why gcc would ever compile this... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 01:05:34 +00:00
Chris Lattner
6410552250 Fix a problem where lib/Target/TargetInstrInfo.h would include and use 
a header file from libcodegen.  This violates a layering order: codegen
depends on target, not the other way around.  The fix to this is to 
split TII into two classes, TII and TargetInstrInfoImpl, which defines
stuff that depends on libcodegen.  It is defined in libcodegen, where 
the base is not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-01 01:03:04 +00:00
Duncan Sands
b027fa001f Fix PR1833 - eh.exception and eh.selector return two 
values, which means doing extra legalization work.
It would be easier to get this kind of thing right if
there was some documentation...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45472 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-31 18:35:50 +00:00
Owen Anderson
d10fd9791c Move copyRegToReg from MRegisterInfo to TargetInstrInfo. This is part of the 
Machine-level API cleanup instigated by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-31 06:32:00 +00:00
Chris Lattner
f20c1a497f properly encapsulate the parent field of MBB and MI with get/set accessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45469 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-31 04:56:33 +00:00