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Author SHA1 Message Date
Chris Lattner
252b491875 cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 21:18:45 +00:00
Chris Lattner
8dc5fafeec some random notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113118 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 20:49:45 +00:00
Chris Lattner
dfe254b86e add a comment about where this should eventually move. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 20:33:40 +00:00
Chris Lattner
f0f5780b39 update this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113116 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 20:22:09 +00:00
Chris Lattner
3ae0924d6b more cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 20:13:07 +00:00
Chris Lattner
bdabacdcca Change lower atomic pass to use IntrinsicInst to simplify it a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113114 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 20:10:47 +00:00
Chris Lattner
906a675db8 eliminate some non-obvious casts. UndefValue isa Constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 20:03:09 +00:00
Chris Lattner
e971131695 fix PR8063, a crash in globalopt in the malloc analysis code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 17:20:46 +00:00
Lang Hames
b76d20969f Added initialisers for reduction rule counters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113108 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 13:42:32 +00:00
Nick Lewycky
e110abb313 Fix warning reported by MSVC++ builder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 09:11:38 +00:00
Nick Lewycky
b0e17779ba Switch FnSet to containing the ComparableFunction instead of a pointer to one. 
This reduces malloc traffic (yay!) and removes MergeFunctionsEqualityInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 09:00:32 +00:00
Nick Lewycky
b0104e1bb5 Fix many bugs when merging weak-strong and weak-weak pairs. We now merge all 
strong functions first to make sure they're the canonical definitions and then
do a second pass looking only for weak functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 08:22:49 +00:00
Chris Lattner
beac75da37 implement rdar://6653118 - fastisel should fold loads where possible. 
Since mem2reg isn't run at -O0, we get a ton of reloads from the stack,
for example, before, this code:

int foo(int x, int y, int z) {
  return x+y+z;
}

used to compile into:

_foo:                                   ## @foo
	subq	$12, %rsp
	movl	%edi, 8(%rsp)
	movl	%esi, 4(%rsp)
	movl	%edx, (%rsp)
	movl	8(%rsp), %edx
	movl	4(%rsp), %esi
	addl	%edx, %esi
	movl	(%rsp), %edx
	addl	%esi, %edx
	movl	%edx, %eax
	addq	$12, %rsp
	ret

Now we produce:

_foo:                                   ## @foo
	subq	$12, %rsp
	movl	%edi, 8(%rsp)
	movl	%esi, 4(%rsp)
	movl	%edx, (%rsp)
	movl	8(%rsp), %edx
	addl	4(%rsp), %edx    ## Folded load
	addl	(%rsp), %edx     ## Folded load
	movl	%edx, %eax
	addq	$12, %rsp
	ret

Fewer instructions and less register use = faster compiles.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 02:18:34 +00:00
Jakob Stoklund Olesen
07c2b7ff68 Remove dead code. 
Clobber ranges are no longer used when joining physical registers.
Instead, all aliases are checked for interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 21:09:33 +00:00
Chris Lattner
061d21eaf8 fix this to work with allocators that have reference type with compilers 
that diagnose invalid references to references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:45:02 +00:00
Chris Lattner
ab2cee6d51 dead method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113077 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:19:16 +00:00
Chris Lattner
d3ba94ce59 delete dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113075 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:17:16 +00:00
Chris Lattner
17aa68055b zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:12:00 +00:00
Chris Lattner
89f87e8f5a remove dead code, mblaze uses SelectAddrRegImm/SelectAddrRegReg, 
not SelectAddr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:02:47 +00:00
Chris Lattner
718045889e zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113071 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 17:45:58 +00:00
Bruno Cardoso Lopes
2eb63dfa0a Remove the last bit of isShuffleMaskLegal checks and improve the comment regarding mmx shuffles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 02:58:56 +00:00
Bruno Cardoso Lopes
828f6ae03c make explicit that we not handle several mmx shuffles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113058 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 02:50:13 +00:00
Dan Gohman
ffa75cdcf8 Fix LoopSimplify to notify ScalarEvolution when splitting a loop backedge 
into an inner loop, as the new loop iteration may differ substantially.
This fixes PR8078.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 02:42:48 +00:00
Bruno Cardoso Lopes
aace0f295b Emit target specific nodes to handle palignr. Do not touch it for MMX versions yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 02:36:07 +00:00
Bruno Cardoso Lopes
c800c0d25f Emit target specific nodes to handle splats starting at zero indicies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 02:02:14 +00:00
Bruno Cardoso Lopes
bbfc31012b Emit target specific nodes for isPSHUFHWMask and isPSHUFLWMask 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 01:36:45 +00:00
Bruno Cardoso Lopes
4c827f5ae1 Emit target specific nodes for isSHUFPMask 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113048 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 01:22:57 +00:00
Bruno Cardoso Lopes
d344f28b9d Previous isMOVLMask matching already emits targets nodes, remove check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113047 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:50:08 +00:00
Bruno Cardoso Lopes
e09abcd3c4 One more check from the original isShuffleMaskLegal goes away 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113045 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:46:16 +00:00
Bruno Cardoso Lopes
b733996110 Remove a duplicated but useless check that i've inserted in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:43:12 +00:00
Bruno Cardoso Lopes
a22c84571a Refactor some code and remove the extra checks for unpckl_undef and unpckh_undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113043 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:39:43 +00:00
Chris Lattner
469996400c fix a bug in my licm rewrite when a load from the promoted memory 
location is being re-stored to the memory location.  We would get
a dangling pointer from the SSAUpdate data structure and miss a 
use.  This fixes PR8068


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:12:30 +00:00
Bruno Cardoso Lopes
43c05744b5 Remove check for unpckh mask 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113035 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 23:32:47 +00:00
Bruno Cardoso Lopes
ef3adb3243 Remove check for unpckl mask 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 23:31:50 +00:00
Bruno Cardoso Lopes
7256e22f77 Inline isShuffleMaskLegal into LowerVECTOR_SHUFFLE, so we can start 
checking each standalone condition and decide whether emit target
specific nodes or remove the condition if it's already matched before.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 23:24:06 +00:00
Owen Anderson
597dad35b8 Propagate non-local comparisons. Fixes PR1757. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113025 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 22:47:08 +00:00
Eric Christopher
2429e2ac23 Reapply this increase to the number of virtual registers. All of the 
various breakages appear to be dealt with.

Patch by Pekka Jääskeläinen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113024 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 22:46:31 +00:00
Dan Gohman
46ffb231c6 Disable the asserts that check that normalization is perfectly 
invertible. ScalarEvolution's folding routines don't always succeed
in canonicalizing equal expressions to a single canonical form, and
this can cause these asserts to fail, even though there's no actual
correctness problem. This fixes PR8066.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 22:12:56 +00:00
Bruno Cardoso Lopes
e8f279cbd4 Reapply considered harmfull part of rr112934 and r112942. 
"Use target specific nodes instead of relying in unpckl and
unpckh pattern fragments during isel time. Also place a
depth limit in getShuffleScalarElt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 22:09:41 +00:00
Jim Grosbach
ee72651df4 previous patch was a little too tricky for its own good. Don't try to 
overload UserInInstr. Explicitly check Allocatable. The early exit in the
condition will mean the performance impact of the extra test should be
minimal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113016 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 21:45:15 +00:00
Dale Johannesen
caa9ba228d Remove the rest of the nonexistent 64-bit AVX instructions. 
Bruno, please review.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113014 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 21:23:00 +00:00
David Greene
9703843dfa Generalize getFieldType to work on all TypedInits. Add a couple of testcases from 
Amaury Pouly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113010 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 21:00:49 +00:00
Bruno Cardoso Lopes
190d0a54c1 Reapply last harmless part of r112934, the pattern fragment to match X86Unpcklpd 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 20:44:26 +00:00
Bruno Cardoso Lopes
2a4460606e Reintroduce a simple function refactoring done in r112934, also without any functionality changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113008 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 20:20:02 +00:00
Bruno Cardoso Lopes
be8b084d8a Reapply piecies of r112942 and r112934 which don't do 
functional changes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113007 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 20:10:35 +00:00
Bruno Cardoso Lopes
b3e0669b8e Reapply Fix comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:55:05 +00:00
Daniel Dunbar
3139422058 Revert r112934, "- Use specific nodes to match unpckl masks.", which introduced 
some infinite loop and select failures.
 - Apologies for eager reverting, but its branch day.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113000 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:38:11 +00:00
Daniel Dunbar
78541f258c Revert r112938 "Fix comment", which depends on r112934, which introduced some 
infinite loop and select failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112999 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:38:08 +00:00
Daniel Dunbar
a87ccce95b Revert r112942, "Use punpckh and unpckh family of nodes instead of using unpckh 
mask pattern fragment", which depends on r112934, which introduced some infinite
loop and select failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112998 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:38:05 +00:00
Bob Wilson
ef134d02e0 Add a missing check when legalizing a vector extending load. This doesn't 
solve the root problem, but it corrects the bug in the code I added to
support legalizing in the case where the non-extended type is also legal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:20:37 +00:00