Chris Lattner
f61b63ec5b
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45766 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-09 00:17:57 +00:00
Chris Lattner
07649d9265
Make load->store deletion a bit smarter. This allows us to compile this:
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void test(long long *P) { *P ^= 1; }
into just:
_test:
movl 4(%esp), %eax
xorl $1, (%eax)
ret
instead of code like this:
_test:
movl 4(%esp), %ecx
xorl $1, (%ecx)
movl 4(%ecx), %edx
movl %edx, 4(%ecx)
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45762 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 23:08:06 +00:00
Owen Anderson
0c5714bb99
Rename registers that do not need copies.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45759 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 21:54:52 +00:00
Duncan Sands
2815cbb9c7
Crashes llc when using Chris's new legalization logic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45758 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 21:51:53 +00:00
Ted Kremenek
6632f95239
Added "getRoot()" to ImmutableMap.
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Made the ctor for ImmutableMap to construct a map from an AVL tree public.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45756 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 21:05:59 +00:00
Ted Kremenek
0a8cabb178
Fixed 80 col. violation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45752 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 19:38:55 +00:00
Chris Lattner
dcc8b4f5d3
add a mayLoad property for machine instructions, a correlary to mayStore.
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This is currently not set by anything.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45748 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 18:05:21 +00:00
Duncan Sands
e51775dc5e
Use size_t to store Pos, avoid truncating value
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on 64-bit builds. Analysis and original patch
by Török Edwin. Code audit found another place
with the same problem, also fixed here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45746 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 10:06:15 +00:00
Chris Lattner
f9d9e45225
Implement PR1795, an instcombine hack for forming GEPs with integer pointer arithmetic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45745 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 07:23:51 +00:00
Chris Lattner
4a83e963b3
add match support for casts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45744 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 07:02:44 +00:00
Chris Lattner
a4040e9a9f
remove darwin/i386 t-t
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45743 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 06:52:51 +00:00
Chris Lattner
fe39edde27
Finally implement correct ordered comparisons for PPC, even though
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the code generated is not wonderful. This turns a miscompilation into
a code quality bug (noted in the ppc readme). This fixes PR642, which
is over 2 years old (!). Nate, please review this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45742 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 06:46:30 +00:00
Chris Lattner
83d760ba8e
Testcase for PR1721
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45739 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 05:16:29 +00:00
Owen Anderson
0d893b4038
Actually insert copies now!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45738 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 05:16:15 +00:00
Chris Lattner
4a6a6f21f3
Fix PR1797
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45736 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 04:26:20 +00:00
Evan Cheng
b353459d68
Minor fix to enable x86-64 pic jit (still fails for other reasons).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45734 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 02:07:10 +00:00
Evan Cheng
b1a9aec515
Fix a x86-64 static codegen bug. This fixes a lot of x86-64 jit failures.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45733 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 02:06:11 +00:00
Bill Wendling
750ec00436
Silence warning about loss of precision.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45731 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-08 00:52:29 +00:00
Evan Cheng
325474e065
Only mark instructions that load a single value without extension as isSimpleLoad = 1.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45727 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 23:56:57 +00:00
Chris Lattner
f7c8db9ab5
add a new bit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45726 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 23:16:55 +00:00
Evan Cheng
9b44944d3d
Unbreak x86-64.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45725 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 23:08:23 +00:00
Chris Lattner
84a7c41251
add a note that is important for some fp apps.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45723 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 21:59:58 +00:00
Chris Lattner
b3041948eb
possible switch lowering improvement.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45720 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 21:38:14 +00:00
Owen Anderson
0b4825c38b
Oops, missed one.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45719 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 21:32:09 +00:00
Owen Anderson
9e549202a0
Make some predicates static.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45718 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 21:30:40 +00:00
Duncan Sands
6aae7a748e
I doubt the address of the Error string was intended
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to be used for the force_interpreter parameter...
Spotted by gcc-4.2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45714 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 19:14:42 +00:00
Duncan Sands
9c5525f4fa
Add missing newline at EOF.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45712 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 19:13:36 +00:00
Nate Begeman
a95afe2b5f
Update the comment on scalar to vector to be a bit more clear.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45707 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 17:52:24 +00:00
Nate Begeman
337c213c18
Update test to catch recent x86 insert regression and improvements
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45705 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 17:49:23 +00:00
Duncan Sands
6c3470efdc
Small cleanup for handling of type/parameter attribute
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incompatibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45704 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 17:16:06 +00:00
Duncan Sands
30d15751c8
Unbreak x86-32 darwin long double!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45703 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 16:36:38 +00:00
Duncan Sands
004a81dcc7
Fix long double support on x86-32 linux.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45701 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 13:44:22 +00:00
Gordon Henriksen
c45d98d966
Pruning includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45700 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 13:30:38 +00:00
Bill Wendling
323cd29009
Operand 1 should be a register. We don't care if it's a preg, vreg, or 0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45699 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 08:05:29 +00:00
Chris Lattner
4e4e46143a
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45698 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 07:46:23 +00:00
Chris Lattner
f14cf85e33
remove #includage
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45697 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 07:42:25 +00:00
Chris Lattner
d3f99e2bbf
split TargetInstrDesc out into its own header file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45696 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 07:33:08 +00:00
Chris Lattner
749c6f6b5e
rename TargetInstrDescriptor -> TargetInstrDesc.
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Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 07:27:27 +00:00
Chris Lattner
682b8aed07
remove a dead method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45694 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 06:47:10 +00:00
Chris Lattner
3db805ea80
simplify some code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45693 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 06:47:00 +00:00
Chris Lattner
0ff23966fe
Rename all the M_* flags to be namespace qualified enums, and switch
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all clients over to using predicates instead of these flags directly.
These are now private values which are only to be used to statically
initialize the tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45692 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 06:42:05 +00:00
Chris Lattner
c17d69fa1e
use predicate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45691 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 06:37:29 +00:00
Chris Lattner
e32d765f99
add more and significantly better comments to the rest of the machineinstr
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flags that can be set. Add predicates for the ones lacking it, and switch
some clients over to using the predicates instead of Flags directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45690 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 06:21:53 +00:00
Chris Lattner
f86e1df877
simplify some code using new predicates
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45689 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 05:40:58 +00:00
Chris Lattner
13cea0bcef
add some mroe comments, add a isImplicitDef() method, add
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isConditionalBranch() and isUnconditionalBranch() methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45688 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 05:38:38 +00:00
Chris Lattner
8f707e15fb
rename hasVariableOperands() -> isVariadic(). Add some comments.
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Evan, please review the comments I added to getNumDefs to make sure
that they are accurate, thx.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45687 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 05:19:29 +00:00
Chris Lattner
4764189298
Move M_* flags down in the file. Move SchedClass up in the
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TargetInstrDescriptor class and shrink to 16-bits, saving a
word in TargetInstrDescriptor. Add some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45686 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 05:06:49 +00:00
Chris Lattner
775060d007
remove a dead field.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45685 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 04:57:42 +00:00
Chris Lattner
af3eb7c758
the name field of instructions is never set to a non-empty string,
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just unconditionally use the def name of the instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45684 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 04:57:31 +00:00
Chris Lattner
7358c193fd
no need to explicitly clear these fields.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45683 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07 04:55:09 +00:00