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22190 Commits

Author SHA1 Message Date
Nick Lewycky
c0d025f54f Prune the unwind_to labels on BBs that don't need them. Another step in the 
removal of invoke, PR1269.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48084 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 04:55:16 +00:00
Chris Lattner
f68cbceb17 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48064 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 01:08:22 +00:00
Chris Lattner
62098040a1 Implement a readme entry, compiling 
#include <xmmintrin.h>
__m128i doload64(short x) {return _mm_set_epi16(0,0,0,0,0,0,0,1);}

into:
	movl	$1, %eax
	movd	%eax, %xmm0
	ret

instead of a constant pool load.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48063 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 01:05:04 +00:00
Chris Lattner
f9d95c8835 Fix two problems in SelectionDAGLegalize::ExpandBUILD_VECTOR's handling 
of BUILD_VECTORS that only have two unique elements:

1. The previous code was nondeterminstic, because it walked a map in
   SDOperand order, which isn't determinstic.
2. The previous code didn't handle the case when one element was undef
   very well.  Now we ensure that the generated shuffle mask has the
   undef vector on the RHS (instead of potentially being on the LHS)
   and that any elements that refer to it are themselves undef.  This
   allows us to compile CodeGen/X86/vec_set-9.ll into:

_test3:
	movd	%rdi, %xmm0
	punpcklqdq	%xmm0, %xmm0
	ret

instead of:

_test3:
	movd	%rdi, %xmm1
	#IMPLICIT_DEF %xmm0
	punpcklqdq	%xmm1, %xmm0
	ret

... saving a register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48060 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 00:29:42 +00:00
Chris Lattner
f3ba434781 Teach SD some vector identities, allowing us to compile vec_set-9 into: 
_test3:
	movd	%rdi, %xmm1
	#IMPLICIT_DEF %xmm0
	punpcklqdq	%xmm1, %xmm0
	ret

instead of:

_test3:
	#IMPLICIT_DEF %rax
	movd	%rax, %xmm0
	movd	%rdi, %xmm1
	punpcklqdq	%xmm1, %xmm0
	ret

This is still not ideal.  There is no reason to two xmm regs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48058 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 23:43:36 +00:00
Chris Lattner
19f7969f81 1) Improve comments. 
2) Don't try to insert an i64 value into the low part of a 
   vector with movq on an x86-32 target.  This allows us to 
   compile:

__m128i doload64(short x) {return _mm_set_epi16(0,0,0,0,0,0,0,1);}

into:

_doload64:
	movaps	LCPI1_0, %xmm0
	ret

instead of:

_doload64:
	subl	$28, %esp
	movl	$0, 4(%esp)
	movl	$1, (%esp)
	movq	(%esp), %xmm0
	addl	$28, %esp
	ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48057 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 22:59:52 +00:00
Chris Lattner
c9517fb6eb minor simplifications to this code, don't create a dead 
SCALAR_TO_VECTOR on paths that end up not using it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48056 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 22:48:29 +00:00
Chris Lattner
b607f9c822 This one looks easy, add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48055 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 22:32:39 +00:00
Chris Lattner
f658ad10f6 move these to the appropriate file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48054 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 22:28:45 +00:00
Nick Lewycky
6c36a0f9ee Not all users of a BB are Instructions any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48047 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 07:48:41 +00:00
Nick Lewycky
6456d8639b Load the symbols first so that the interpreter constructor can find them when 
it tries to initialize them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48046 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 02:49:45 +00:00
Dan Gohman
cdff0d6b04 Remove unused runPass methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48044 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 01:43:56 +00:00
Dale Johannesen
7f96f3912e More ppc32 byval handling (bug fixes). Things 
are looking pretty good now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48043 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 01:41:42 +00:00
Evan Cheng
27b7db549e Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48042 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 00:58:38 +00:00
Dan Gohman
a2fcff4d97 Add support for calls with i128 return values on ppc64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48041 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 00:19:12 +00:00
Bill Wendling
d93ae242d3 Something that kills a super-register also 
kills the sub-register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48038 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 23:45:15 +00:00
Evan Cheng
a8de38f351 Fix a typo. It's causing consumer-typeset to miscompile. Perhaps more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48035 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 22:39:49 +00:00
Bill Wendling
5f5bf3a3fd PPC64 passes arguments of integral type in i64 registers, not i32. Reflect this 
by promoting smaller integral values (i32 at this point) to i64, then truncating
to get the wanted size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48030 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:49:02 +00:00
Dan Gohman
9ed06db5c8 Add support for lowering 128-bit shifts on ppc64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:36:53 +00:00
Dale Johannesen
8419dd6aa6 Next bits of PPC byval handling. Basically functional 
but there are bugs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:27:40 +00:00
Chris Lattner
af8ee84fe5 Add support for ppc64 shifts with 7-bit (oversized) shift amount (e.g. PPCshl). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:18:24 +00:00
Chris Lattner
49bd37d369 Replace SDT_PPCShiftOp in favor of SDTIntBinOps. This allows it to work 
with 32 or 64-bit operands/results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48026 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:13:51 +00:00
Evan Cheng
d68f47c6fd Fixed a register scavenger bug. If a def is re-defining part of a super register, there must be an implicit def of the super-register on the MI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48024 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:12:54 +00:00
Devang Patel
12a466b9d0 Update inliner to handle functions that return multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:06:16 +00:00
Chris Lattner
0fdaa0b8f1 fix 80 col violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48019 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:05:43 +00:00
Andrew Lenharth
d245a8ae47 add a pass that can extract all kinds of global values, not just functions. Update llvm-extract to use it and optionally extract a global variable if you want it too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48015 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 19:51:57 +00:00
Anton Korobeynikov
75c7915c3a Clarify some important bits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48010 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 18:34:50 +00:00
Anton Korobeynikov
e20c814518 Small cleanup: propagate thread-localness via generic routine. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 18:32:18 +00:00
Chris Lattner
d1108222fd mark frem as expand for all legal fp types on x86, regardless of whether 
we're using SSE or not.  This fixes PR2122.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 06:36:32 +00:00
Bill Wendling
ed1fcd8987 When setting the "unused" info, take into account something like this: 
%r3<def> = OR %x3<kill>, %x3

We don't want to mark the %r3 as unused even though it's a sub-register of %x3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 23:22:43 +00:00
Evan Cheng
eb49c4e008 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47998 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 17:42:34 +00:00
Gabor Greif
2cf36e0772 some more spelling changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 10:51:21 +00:00
Gabor Greif
29d8aa7877 fix typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 10:36:00 +00:00
Evan Cheng
433f6f62ca Constant fold SIGN_EXTEND_INREG with ashr not lshr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47992 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 08:20:51 +00:00
Nick Lewycky
c1a2a61201 Don't try to simplify urem and srem using arithmetic rules that don't work 
under modulo (overflow). Fixes PR1933.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47987 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 06:48:30 +00:00
Scott Michel
4cb8bd8eff Refine Cell's i64 constant generation code to cover more constants where the 
upper and lower 32-bits are the same (in addition to 0 and -1 previously.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 04:02:54 +00:00
Andrew Lenharth
6ad150baac gcc likes things spelled correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47981 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:41:37 +00:00
Devang Patel
e0a6a3f22d Skip, for now, callsites where use of sret argument is not dominated by callsite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47980 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:39:23 +00:00
Dale Johannesen
1f797a32fd Next bit of PPC ByVal handling; call-site code seems 
correct now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47978 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:31:27 +00:00
Anton Korobeynikov
9f2ee70366 Missed patch from my last commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:21:39 +00:00
Anton Korobeynikov
3db9191baf Resolve aliases to aliasees, where possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:08:47 +00:00
Anton Korobeynikov
b5a4bd86df Handle functions as targets during linking of aliases as well 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47974 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:08:16 +00:00
Scott Michel
ad2715e0d7 - Fix support for "special" i64 immediates that can be loaded 
using IL, ILA, et. al. v2i64 and i64 are now supported by
  the select bits (SELB) instruction.

- Add missing comparison operations (testcase forthcoming)

- More multiclass refactoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47973 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:02:02 +00:00
Anton Korobeynikov
58887bc593 Try hard to link aliases. Checks can be too strict by now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 22:22:46 +00:00
Evan Cheng
ecb2a8b9bc Fix a coalescer bug wrt how dead copy interval is shortened. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47966 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 22:09:42 +00:00
Devang Patel
c5eb380b60 Handle 'ret' with multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47965 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 21:50:24 +00:00
Daniel Berlin
c864edb597 Add Hybrid Cycle Detection to Andersen's analysis. 
Patch by Curtis Dunham.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 19:31:47 +00:00
Dale Johannesen
0ea0356dff Clarify that CALLSEQ_START..END may not be nested, 
and add some protection against creating such.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 19:14:03 +00:00
Chris Lattner
4d93b2f16d evan implemented this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 17:11:51 +00:00
Anton Korobeynikov
4fb2873bb4 Remember the source->dest mapping when copying aliases. This fixes PR2054 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47945 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 15:27:21 +00:00