Evan Cheng
9bfa03c6fd
Xform bitconvert(build_pair(load a, load b)) to a single load if the load locations are at the right offset from each other.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51008 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 23:04:07 +00:00
Dale Johannesen
38eb9f9ae6
New test for tail merging
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51007 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 22:59:44 +00:00
Dale Johannesen
30562b7d44
Be more aggressive about tail-merging small blocks
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if those blocks consist entirely of common instructions;
merging will not add an extra branch in this case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51006 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 22:53:12 +00:00
Bill Wendling
ae94dda61a
Constify isSourceDefinedByImplicitDef function. Otherwise, just formatting
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changes that don't change functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51004 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 22:15:05 +00:00
Bill Wendling
9f8fea3531
Constify the machine instruction passed into the
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"is{Trivially,Really}ReMaterializable" methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51001 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:54:26 +00:00
Nate Begeman
c2616e43fd
Initial X86 codegen support for VSETCC.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51000 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:34:32 +00:00
Dale Johannesen
51b2b9e29e
Further rework of tail merge algorithm. Not quite
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semantically identical, but little difference in
either results or execution speed; but it's much
easier to read, at least IMO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50999 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:33:57 +00:00
Nate Begeman
baa64ebd26
Simplify some checks
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50998 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:33:52 +00:00
Dan Gohman
9499b7186b
Fix a copy+paste bug; pseudo-instructions shouldn't have
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encoding information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50997 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:22:45 +00:00
Nate Begeman
51d2ed179b
Pointer comparisons should use icmp, not vicmp
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50996 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:16:55 +00:00
Owen Anderson
a472c4a280
Go back to passing the analyses around as parameters.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50995 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:15:55 +00:00
Nate Begeman
c83ad0d8e7
Pointer comparisons should be handled by icmp, not vicmp :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:11:05 +00:00
Evan Cheng
f86f211ec2
Forgot this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50993 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:08:05 +00:00
Nate Begeman
18e4e8500f
Hard code CmpInst back to i1 for now while I go track down what in the bitcode reader/writer is assuming i1
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This was breaking a bunch of tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50992 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 20:01:56 +00:00
Evan Cheng
ad4196b44a
Refactor isConsecutiveLoad from X86 to TargetLowering so DAG combiner can make use of it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50991 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 19:56:52 +00:00
Bill Wendling
c1b7f52fbe
Revert the previous commit. Go ahead and hoist rematerializable instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50990 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 19:47:18 +00:00
Nate Begeman
b43e9c1965
Add support for vicmp/vfcmp codegen, more legalize support coming.
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This is necessary to unbreak the build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50988 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 19:40:03 +00:00
Bill Wendling
e4fc1ccd4d
One real change - don't hoist something that's trivially rematerializable. It's
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possible for it to produce worse code than before.
The rest of this patch is code cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50987 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 19:38:32 +00:00
Nate Begeman
6fd90ce2ee
Fix build breakage
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50986 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 19:23:22 +00:00
Nate Begeman
ac80ade158
Add two new instructions to the llvm IR, vicmp and vfcmp. see updated LangRef
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for details. CodeGen support coming in a follow up patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50985 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 19:01:56 +00:00
Dan Gohman
7c2e4f2fc5
Make firstEightPowers const.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50975 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:38:14 +00:00
Dan Gohman
9b38d7db6d
Update comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50974 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:34:30 +00:00
Mikhail Glushenkov
5c98d824f6
Filter option names to escape symbols not allowed as C++ identifiers.
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Makes it possible to use options with names like "Wa,".
Also fixes the -Wall option handling as a side-effect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50973 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:33:06 +00:00
Mikhail Glushenkov
ecb977e64f
Make it possible to choose between different compilation graph definitions at compile-time.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50972 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:32:24 +00:00
Mikhail Glushenkov
a673037097
Fix some error messages; Make LLVMC pass through the exit code of a failed tool.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50971 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:31:42 +00:00
Dan Gohman
2ce3898e41
Fix a compile error on compilers that still want a return value
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in a non-void function that calls abort.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50969 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:17:19 +00:00
Dan Gohman
9ab9ee8209
Fix a missing break in the ISD::FLT_ROUNDS_ handling. Patch by giuma!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50967 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:07:15 +00:00
Duncan Sands
9658a2cb3d
Testcase for PR2264.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50965 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 13:01:19 +00:00
Owen Anderson
7b45e33107
Move the various analyses used by GVN into static variables so we don't have to keep passing them around or refetching them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50963 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 08:15:27 +00:00
Chris Lattner
4651f3de34
prune #includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50962 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 01:13:53 +00:00
Chris Lattner
ab7d9ccf18
Add a new SparsePropagation analysis utility, which allows you to do
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SCCP like sparse lattice analysis with relative ease. Just pick your
lattice function and implement the transfer function and you're good.
Just make sure you don't break monotonicity ;-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50961 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 01:12:24 +00:00
Nick Lewycky
fff116fd58
Make constructors target-specific. This fixes problems where the path would
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include backslashes on Windows. This should fix llvm-ld problems on win32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50960 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-11 17:37:40 +00:00
Anton Korobeynikov
64d69102a1
Add note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50959 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-11 14:33:15 +00:00
Chris Lattner
5c8e8d7fc5
Fix various DOUTs to not call the extremely expensive Value::getName()
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method. DOUT statements are disabled when assertions are off, but the
side effects of getName() are still evaluated. Just call getNameSTart,
which is close enough and doesn't cause heap traffic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50958 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-11 01:55:59 +00:00
Chris Lattner
3a73c9e5f9
Simplify code by using SwitchInst::findCaseValue instead of reimplementing it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50957 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 23:56:54 +00:00
Bill Wendling
c2e735359f
Remove warnings when using -Wshorten-64-to-32.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50952 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 19:59:59 +00:00
Duncan Sands
eca2f99958
Testcase for PR2303.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50951 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 16:43:10 +00:00
Anton Korobeynikov
caa8ae8125
Fix linking of internal aliases
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50950 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 14:41:43 +00:00
Bill Wendling
1b2f72912f
Prevent -W64-to-32-shortened warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50947 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 11:26:52 +00:00
Bill Wendling
d2a5a2ae2e
Prevent warnings from the -Wshorten-64-to-32 flag.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50946 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 10:58:07 +00:00
Gabor Greif
469a582830
remove commented-out code, it is subsumed by DECLARE_TRANSPARENT_OPERAND_ACCESSORS
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50944 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 09:36:58 +00:00
Gabor Greif
efe65369a7
merge of use-diet branch to trunk
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50943 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 08:32:32 +00:00
Owen Anderson
4982babf4a
Re-enable loop deletion by default.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50941 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 07:10:24 +00:00
Evan Cheng
50d9e7289b
When transforming a vector_shuffle to a load, the base address must not be an undef.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50940 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 06:46:49 +00:00
Tanya Lattner
49ff661410
Set to 2.4 and regenerate configure.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50935 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 04:20:38 +00:00
Evan Cheng
c81d50e0f7
Add nounwind.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50931 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 02:22:25 +00:00
Dan Gohman
9018e836fe
For now, abort when an ISD::VAARG is encountered on x86-64, rather
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than silently generate invalid code.
llvm-gcc does not currently use VAArgInst; it lowers va_arg in the
front-end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50930 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 01:26:14 +00:00
Evan Cheng
b70ea0bd03
Some clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50929 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 00:59:18 +00:00
Evan Cheng
25210da757
If movl top bits are undef, let it be selected to movlps, etc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50928 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 00:58:41 +00:00
Evan Cheng
b3e0a6d75c
If all sources of a PHI node are defined by an implicit_def, just emit an implicit_def instead of a copy.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50927 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 00:17:50 +00:00