Chris Lattner [Wed, 20 Sep 2006 06:29:17 +0000 (06:29 +0000)]
Fold the full generality of (any_extend (truncate x))
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30514
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Chris Lattner [Wed, 20 Sep 2006 06:19:26 +0000 (06:19 +0000)]
Two things:
1. teach SimplifySetCC that '(srl (ctlz x), 5) == 0' is really x != 0.
2. Teach visitSELECT_CC to use SimplifySetCC instead of calling it and
ignoring the result. This allows us to compile:
bool %test(ulong %x) {
%tmp = setlt ulong %x,
4294967296
ret bool %tmp
}
to:
_test:
cntlzw r2, r3
cmplwi cr0, r3, 1
srwi r2, r2, 5
li r3, 0
beq cr0, LBB1_2 ;
LBB1_1: ;
mr r3, r2
LBB1_2: ;
blr
instead of:
_test:
addi r2, r3, -1
cntlzw r2, r2
cntlzw r3, r3
srwi r2, r2, 5
cmplwi cr0, r2, 0
srwi r2, r3, 5
li r3, 0
bne cr0, LBB1_2 ;
LBB1_1: ;
mr r3, r2
LBB1_2: ;
blr
This isn't wonderful, but it's an improvement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30513
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Chris Lattner [Wed, 20 Sep 2006 04:59:33 +0000 (04:59 +0000)]
This is already done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30512
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Chris Lattner [Wed, 20 Sep 2006 04:44:59 +0000 (04:44 +0000)]
We went through all that trouble to compute whether it was safe to transform
this comparison, but never checked it. Whoops, no wonder we miscompiled
177.mesa!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30511
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Chris Lattner [Wed, 20 Sep 2006 04:33:27 +0000 (04:33 +0000)]
Improve PPC64 equality comparisons like PPC32 comparisons.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30510
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Chris Lattner [Wed, 20 Sep 2006 04:25:47 +0000 (04:25 +0000)]
Two improvements:
1. Codegen this comparison:
if (X == 0x8000)
as:
cmplwi cr0, r3, 32768
bne cr0, LBB1_2 ;cond_next
instead of:
lis r2, 0
ori r2, r2, 32768
cmpw cr0, r3, r2
bne cr0, LBB1_2 ;cond_next
2. Codegen this comparison:
if (X == 0x12345678)
as:
xoris r2, r3, 4660
cmplwi cr0, r2, 22136
bne cr0, LBB1_2 ;cond_next
instead of:
lis r2, 4660
ori r2, r2, 22136
cmpw cr0, r3, r2
bne cr0, LBB1_2 ;cond_next
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30509
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Chris Lattner [Wed, 20 Sep 2006 03:59:25 +0000 (03:59 +0000)]
Add a note that we should match rlwnm better
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30508
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Chris Lattner [Wed, 20 Sep 2006 03:47:40 +0000 (03:47 +0000)]
Legalize is no longer limited to cleverness with just constant shift amounts.
Allow it to be clever when possible and fall back to the gross code when needed.
This allows us to compile:
long long foo1(long long X, int C) {
return X << (C|32);
}
long long foo2(long long X, int C) {
return X << (C&~32);
}
to:
_foo1:
rlwinm r2, r5, 0, 27, 31
slw r3, r4, r2
li r4, 0
blr
.globl _foo2
.align 4
_foo2:
rlwinm r2, r5, 0, 27, 25
subfic r5, r2, 32
slw r3, r3, r2
srw r5, r4, r5
or r3, r3, r5
slw r4, r4, r2
blr
instead of:
_foo1:
ori r2, r5, 32
subfic r5, r2, 32
addi r6, r2, -32
srw r5, r4, r5
slw r3, r3, r2
slw r6, r4, r6
or r3, r3, r5
slw r4, r4, r2
or r3, r3, r6
blr
.globl _foo2
.align 4
_foo2:
rlwinm r2, r5, 0, 27, 25
subfic r5, r2, 32
addi r6, r2, -32
srw r5, r4, r5
slw r3, r3, r2
slw r6, r4, r6
or r3, r3, r5
slw r4, r4, r2
or r3, r3, r6
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30507
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Chris Lattner [Wed, 20 Sep 2006 03:38:48 +0000 (03:38 +0000)]
Expand 64-bit shifts more optimally if we know that the high bit of the
shift amount is one or zero. For example, for:
long long foo1(long long X, int C) {
return X << (C|32);
}
long long foo2(long long X, int C) {
return X << (C&~32);
}
we get:
_foo1:
movb $31, %cl
movl 4(%esp), %edx
andb 12(%esp), %cl
shll %cl, %edx
xorl %eax, %eax
ret
_foo2:
movb $223, %cl
movl 4(%esp), %eax
movl 8(%esp), %edx
andb 12(%esp), %cl
shldl %cl, %eax, %edx
shll %cl, %eax
ret
instead of:
_foo1:
subl $4, %esp
movl %ebx, (%esp)
movb $32, %bl
movl 8(%esp), %eax
movl 12(%esp), %edx
movb %bl, %cl
orb 16(%esp), %cl
shldl %cl, %eax, %edx
shll %cl, %eax
xorl %ecx, %ecx
testb %bl, %bl
cmovne %eax, %edx
cmovne %ecx, %eax
movl (%esp), %ebx
addl $4, %esp
ret
_foo2:
subl $4, %esp
movl %ebx, (%esp)
movb $223, %cl
movl 8(%esp), %eax
movl 12(%esp), %edx
andb 16(%esp), %cl
shldl %cl, %eax, %edx
shll %cl, %eax
xorl %ecx, %ecx
xorb %bl, %bl
testb %bl, %bl
cmovne %eax, %edx
cmovne %ecx, %eax
movl (%esp), %ebx
addl $4, %esp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30506
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Evan Cheng [Wed, 20 Sep 2006 01:39:40 +0000 (01:39 +0000)]
Back out Chris' last set of changes. This breaks 177.mesa and povray somehow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30505
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Evan Cheng [Wed, 20 Sep 2006 01:10:02 +0000 (01:10 +0000)]
80 col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30504
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Evan Cheng [Tue, 19 Sep 2006 19:08:04 +0000 (19:08 +0000)]
Allow PatFrag to be a leaf node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30498
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Evan Cheng [Tue, 19 Sep 2006 18:40:15 +0000 (18:40 +0000)]
Add result of a Xform to isel queue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30497
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Andrew Lenharth [Tue, 19 Sep 2006 18:24:51 +0000 (18:24 +0000)]
If we have an add, do it in the pointer realm, not the int realm. This is critical in the linux kernel for pointer analysis correctness
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30496
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Andrew Lenharth [Tue, 19 Sep 2006 18:23:39 +0000 (18:23 +0000)]
Inspired by the linux kernel, the more we keep adds in the pointer realm, the better pointer analysis works.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30495
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Chris Lattner [Tue, 19 Sep 2006 18:02:01 +0000 (18:02 +0000)]
Fix UnitTests/2005-05-12-Int64ToFP.c with llc-beta. In particular, do not
allow it to go into an infinite loop, filling up the disk!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30494
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Rafael Espindola [Tue, 19 Sep 2006 16:41:40 +0000 (16:41 +0000)]
fix header
add comments
untabify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30486
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Rafael Espindola [Tue, 19 Sep 2006 15:49:25 +0000 (15:49 +0000)]
Implement a MachineFunctionPass to fix the mul instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30485
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Chris Lattner [Tue, 19 Sep 2006 06:19:19 +0000 (06:19 +0000)]
number test right
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30484
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Chris Lattner [Tue, 19 Sep 2006 06:19:03 +0000 (06:19 +0000)]
item done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30483
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Chris Lattner [Tue, 19 Sep 2006 06:18:21 +0000 (06:18 +0000)]
implement select.ll:test19-22
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30482
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Chris Lattner [Tue, 19 Sep 2006 06:17:55 +0000 (06:17 +0000)]
make this harder
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30481
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Chris Lattner [Tue, 19 Sep 2006 06:16:46 +0000 (06:16 +0000)]
new testcases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30480
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Chris Lattner [Tue, 19 Sep 2006 05:22:59 +0000 (05:22 +0000)]
Fold the PPCISD shifts when presented with 0 inputs. This occurs for code
like:
long long test(long long X, int Y) {
return 1ULL << Y;
}
long long test2(long long X, int Y) {
return -1LL << Y;
}
which we used to compile to:
_test:
li r2, 1
subfic r3, r5, 32
li r4, 0
addi r6, r5, -32
srw r3, r2, r3
slw r4, r4, r5
slw r6, r2, r6
or r3, r4, r3
slw r4, r2, r5
or r3, r3, r6
blr
_test2:
li r2, -1
subfic r3, r5, 32
addi r6, r5, -32
srw r3, r2, r3
slw r4, r2, r5
slw r2, r2, r6
or r3, r4, r3
or r3, r3, r2
blr
Now we produce:
_test:
li r2, 1
addi r3, r5, -32
subfic r4, r5, 32
slw r3, r2, r3
srw r4, r2, r4
or r3, r4, r3
slw r4, r2, r5
blr
_test2:
li r2, -1
subfic r3, r5, 32
addi r6, r5, -32
srw r3, r2, r3
slw r4, r2, r5
slw r2, r2, r6
or r3, r4, r3
or r3, r3, r2
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30479
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Chris Lattner [Tue, 19 Sep 2006 05:02:39 +0000 (05:02 +0000)]
Fold extract_element(cst) to cst
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30478
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Chris Lattner [Tue, 19 Sep 2006 04:51:23 +0000 (04:51 +0000)]
Minor speedup for legalize by avoiding some malloc traffic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30477
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Chris Lattner [Tue, 19 Sep 2006 00:41:36 +0000 (00:41 +0000)]
If multiple predicates are listed, they must all pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30476
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Nick Lewycky [Tue, 19 Sep 2006 00:31:54 +0000 (00:31 +0000)]
Enable dejagnu tests for predicate simplifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30475
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Evan Cheng [Mon, 18 Sep 2006 23:28:33 +0000 (23:28 +0000)]
Fix a typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30474
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Chris Lattner [Mon, 18 Sep 2006 22:41:07 +0000 (22:41 +0000)]
There!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30473
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Chris Lattner [Mon, 18 Sep 2006 22:28:27 +0000 (22:28 +0000)]
Fix Regression/TableGen/2006-09-18-LargeInt.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30472
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Chris Lattner [Mon, 18 Sep 2006 22:28:07 +0000 (22:28 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30471
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Evan Cheng [Mon, 18 Sep 2006 21:49:04 +0000 (21:49 +0000)]
Allow i32 UDIV, SDIV, UREM, SREM to be expanded into libcalls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30470
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Nick Lewycky [Mon, 18 Sep 2006 21:09:35 +0000 (21:09 +0000)]
Walk down the dominator tree instead of the control flow graph. That means
that we can't modify the CFG any more, at least not until it's possible
to update the dominator tree (PR217).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30469
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Nick Lewycky [Mon, 18 Sep 2006 20:44:37 +0000 (20:44 +0000)]
Fix findCaseDest to return null when BB is both the default dest and one
of the numeric cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30468
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Andrew Lenharth [Mon, 18 Sep 2006 19:44:29 +0000 (19:44 +0000)]
A pass to remove the worst of the replay trap offenders, and as a bonus, align basic blocks when it is free to do so
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30467
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Nick Lewycky [Mon, 18 Sep 2006 19:03:59 +0000 (19:03 +0000)]
Add a new helper method to SwitchInst. Useful when you've got a BB from
somewhere (like the dominator graph) and would like to know which case it
came from.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30466
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Chris Lattner [Mon, 18 Sep 2006 18:27:05 +0000 (18:27 +0000)]
Fix an infinite loop building the CFE
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30465
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Chris Lattner [Mon, 18 Sep 2006 18:07:51 +0000 (18:07 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30464
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Andrew Lenharth [Mon, 18 Sep 2006 18:01:03 +0000 (18:01 +0000)]
Jump tables on Alpha
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30463
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Andrew Lenharth [Mon, 18 Sep 2006 18:00:18 +0000 (18:00 +0000)]
oops
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30462
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Andrew Lenharth [Mon, 18 Sep 2006 17:59:35 +0000 (17:59 +0000)]
absolute addresses must match pointer size
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30461
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Jim Laskey [Mon, 18 Sep 2006 14:47:26 +0000 (14:47 +0000)]
Sort out mangled names for globals
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30460
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Chris Lattner [Mon, 18 Sep 2006 07:02:31 +0000 (07:02 +0000)]
Implement a trivial optzn: of vastart is never called in a function that takes
... args, remove the '...'.
This is Transforms/DeadArgElim/dead_vaargs.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30459
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Chris Lattner [Mon, 18 Sep 2006 07:01:39 +0000 (07:01 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30458
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Chris Lattner [Mon, 18 Sep 2006 05:36:54 +0000 (05:36 +0000)]
add a note. Our 64-bit shifts are ~30% slower than gcc's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30457
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Chris Lattner [Mon, 18 Sep 2006 05:27:43 +0000 (05:27 +0000)]
Implement InstCombine/cast.ll:test31. This speeds up 462.libquantum by 26%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30456
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Chris Lattner [Mon, 18 Sep 2006 05:25:10 +0000 (05:25 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30455
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 18 Sep 2006 05:17:11 +0000 (05:17 +0000)]
Add support for pattern matching cast operations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30454
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Chris Lattner [Mon, 18 Sep 2006 04:58:06 +0000 (04:58 +0000)]
fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30453
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 18 Sep 2006 04:54:57 +0000 (04:54 +0000)]
add a helper method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30452
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Chris Lattner [Mon, 18 Sep 2006 04:54:35 +0000 (04:54 +0000)]
This is closer to what we really want.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30451
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Chris Lattner [Mon, 18 Sep 2006 04:31:40 +0000 (04:31 +0000)]
Implement Transforms/InstCombine/shift-sra.ll:test0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30450
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Chris Lattner [Mon, 18 Sep 2006 04:31:18 +0000 (04:31 +0000)]
New testcase, can be an srl instead of sra
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30449
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 18 Sep 2006 04:22:48 +0000 (04:22 +0000)]
Rewrite shift/and/compare sequences to promote better licm of the RHS.
Use isLogicalShift/isArithmeticShift to simplify code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30448
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Reid Spencer [Sun, 17 Sep 2006 23:05:15 +0000 (23:05 +0000)]
Make the LLVM Publications link point to /pubs/ since this has moved to
its own page on the LLVM web site.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30447
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Anton Korobeynikov [Sun, 17 Sep 2006 20:25:45 +0000 (20:25 +0000)]
Added some eye-candy for Subtarget type checking
Added X86 StdCall & FastCall calling conventions. Codegen will follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30446
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Chris Lattner [Sun, 17 Sep 2006 19:29:56 +0000 (19:29 +0000)]
Add ShiftInst::isLogical/ArithmeticShift methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30445
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Chris Lattner [Sun, 17 Sep 2006 19:14:47 +0000 (19:14 +0000)]
Add new SetCondInst::isRelational/isEquality methods. Rename
Instruction::isRelational to Instruction::isComparison.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30444
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Nick Lewycky [Sun, 17 Sep 2006 17:51:00 +0000 (17:51 +0000)]
Explain change with a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30443
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Nick Lewycky [Sun, 17 Sep 2006 16:23:36 +0000 (16:23 +0000)]
Fix PR912. The input to erase() must not be a reference to the data
being erased.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30442
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Anton Korobeynikov [Sun, 17 Sep 2006 13:06:18 +0000 (13:06 +0000)]
Small fixes for supporting dll* linkage types
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30441
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Chris Lattner [Sat, 16 Sep 2006 23:57:51 +0000 (23:57 +0000)]
add a note noticed through source inspection
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30418
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Chris Lattner [Sat, 16 Sep 2006 05:08:34 +0000 (05:08 +0000)]
Oh yeah, this is needed too
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30407
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Chris Lattner [Sat, 16 Sep 2006 03:30:19 +0000 (03:30 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30406
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Chris Lattner [Sat, 16 Sep 2006 03:14:10 +0000 (03:14 +0000)]
Fix Transforms/InstCombine/2006-09-15-CastToBool.ll and PR913
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30405
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Chris Lattner [Sat, 16 Sep 2006 03:13:22 +0000 (03:13 +0000)]
Testcase for PR913
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30404
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Chris Lattner [Sat, 16 Sep 2006 00:21:44 +0000 (00:21 +0000)]
simplify control flow, no functionality change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30403
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Chris Lattner [Sat, 16 Sep 2006 00:09:24 +0000 (00:09 +0000)]
Allow custom expand of mul
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30402
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Chris Lattner [Fri, 15 Sep 2006 23:01:10 +0000 (23:01 +0000)]
comment out debug code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30401
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Chris Lattner [Fri, 15 Sep 2006 21:29:15 +0000 (21:29 +0000)]
Add a new -cbe-bug mode, which works just like -run-llc, except that it uses
LLC as the reference compiler to reduce testcases for bugs in GCC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30400
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Chris Lattner [Fri, 15 Sep 2006 20:31:36 +0000 (20:31 +0000)]
add a nate note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30399
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Chris Lattner [Fri, 15 Sep 2006 17:25:22 +0000 (17:25 +0000)]
xfail this for now
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30398
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Chris Lattner [Fri, 15 Sep 2006 17:24:45 +0000 (17:24 +0000)]
revert previous two patches. They cause miscompilation of MultiSource/Applications/Burg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30397
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Jim Laskey [Fri, 15 Sep 2006 17:03:36 +0000 (17:03 +0000)]
Switching to NewNightlyTest.php
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30394
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Chris Lattner [Fri, 15 Sep 2006 16:53:11 +0000 (16:53 +0000)]
The inliner strips dead allocas now. Add a use to allow this test to
test the right thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30393
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Owen Anderson [Fri, 15 Sep 2006 05:22:51 +0000 (05:22 +0000)]
Revert my previous work on ArgumentPromotion. Further investigation has revealed these
changes to be incorrect. They just weren't showing up in any of our current testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30385
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Chris Lattner [Fri, 15 Sep 2006 04:56:11 +0000 (04:56 +0000)]
Unbreak the JIT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30384
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Chris Lattner [Fri, 15 Sep 2006 03:57:23 +0000 (03:57 +0000)]
Keep track of the start of MBB's in a separate map from instructions. This
is faster and is needed for future improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30383
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Evan Cheng [Thu, 14 Sep 2006 23:55:02 +0000 (23:55 +0000)]
Remove a unnecessary check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30382
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Chris Lattner [Thu, 14 Sep 2006 23:54:24 +0000 (23:54 +0000)]
Relax this check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30381
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Devang Patel [Thu, 14 Sep 2006 21:43:24 +0000 (21:43 +0000)]
Undo previous check-in.
Reintroduce recursive assignDFSNumber().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30380
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Chris Lattner [Thu, 14 Sep 2006 21:11:37 +0000 (21:11 +0000)]
Fold (X & C1) | (Y & C2) -> (X|Y) & C3 when possible.
This implements CodeGen/X86/and-or-fold.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30379
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Chris Lattner [Thu, 14 Sep 2006 21:10:06 +0000 (21:10 +0000)]
New testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30378
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Chris Lattner [Thu, 14 Sep 2006 20:56:30 +0000 (20:56 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30377
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Chris Lattner [Thu, 14 Sep 2006 20:50:57 +0000 (20:50 +0000)]
Split rotate matching code out to its own function. Make it stronger, by
matching things like ((x >> c1) & c2) | ((x << c3) & c4) to (rot x, c5) & c6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30376
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Anton Korobeynikov [Thu, 14 Sep 2006 18:25:26 +0000 (18:25 +0000)]
Adding generated files for the last commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30375
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Anton Korobeynikov [Thu, 14 Sep 2006 18:23:27 +0000 (18:23 +0000)]
Adding dllimport, dllexport and external weak linkage types.
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30374
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Evan Cheng [Thu, 14 Sep 2006 07:41:12 +0000 (07:41 +0000)]
Use getOffset() instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30327
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Evan Cheng [Thu, 14 Sep 2006 07:35:00 +0000 (07:35 +0000)]
Use MachineConstantPoolEntry getOffset() and getType() accessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30326
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Evan Cheng [Thu, 14 Sep 2006 07:32:32 +0000 (07:32 +0000)]
Add MachineConstantPoolEntry getOffset() accessor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30325
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Evan Cheng [Thu, 14 Sep 2006 07:30:48 +0000 (07:30 +0000)]
The top bit is used to determine whether it's a MachineConstantPoolValue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30324
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Chris Lattner [Thu, 14 Sep 2006 06:42:17 +0000 (06:42 +0000)]
revert accidentally committed file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30323
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Chris Lattner [Thu, 14 Sep 2006 06:40:48 +0000 (06:40 +0000)]
Remove dead methods, add getNumBlockIDs() method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30322
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Chris Lattner [Thu, 14 Sep 2006 06:21:59 +0000 (06:21 +0000)]
Use new config.h macro
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30321
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Reid Spencer [Thu, 14 Sep 2006 06:17:21 +0000 (06:17 +0000)]
Add a HAVE_MACH_MACH_H #define to detect the presence of the mach/mach.h
header file on Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30319
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Chris Lattner [Thu, 14 Sep 2006 06:17:09 +0000 (06:17 +0000)]
add a new (hidden) -disable-core-files option
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30318
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Chris Lattner [Thu, 14 Sep 2006 06:01:41 +0000 (06:01 +0000)]
On Mac OS/X, make Process::PreventCoreFiles disable crash reporter for
the process in addition to disabling core file emission. This speeds up
bugpoint on default-configured macs by several orders of magnitude.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30317
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Evan Cheng [Thu, 14 Sep 2006 05:50:57 +0000 (05:50 +0000)]
A MachineConstantPool may have mixed Constant* and MachineConstantPoolValue* values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30316
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Devang Patel [Thu, 14 Sep 2006 05:49:10 +0000 (05:49 +0000)]
Add comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30315
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