Dale Johannesen
81da02b553
Make tail merging the default, except on powerPC. There was no prior art
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for a target-dependent default with a command-line override; this way
should be generally usable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37285 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 17:14:46 +00:00
Chris Lattner
9621921acb
temporarily revert reid's asmwriter patch, it is missing the asmparser piece
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that decodes the escape sequences, thus breaking all cases that use them.
This fixes test/Assembler/2007-05-21-Escape.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37284 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 07:00:50 +00:00
Chris Lattner
82f3aee9b7
new testcase for a recent regression
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37283 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 07:00:38 +00:00
Chris Lattner
d3bd070540
update comment
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37282 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 06:56:32 +00:00
Chris Lattner
8e00832ae1
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37281 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 06:47:55 +00:00
Chris Lattner
86fd6304ac
simplify code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37280 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 06:47:11 +00:00
Tanya Lattner
7a857dd06e
NightlyTest.pl does not exist.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37278 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 06:12:51 +00:00
Tanya Lattner
1dcadec80b
Adding 2.0 release
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37277 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 06:06:22 +00:00
Bill Wendling
cd6cea0823
We only need to specify the most-implied feature for an architecture.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37275 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 05:15:37 +00:00
Evan Cheng
d46a8ea5d5
Consistency.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37274 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 01:21:58 +00:00
Evan Cheng
287b47f04b
Add test for PR1259.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37273 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 23:30:33 +00:00
Evan Cheng
94679e66bb
Fix some -march=thumb regressions. tBR_JTr is not predicable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37272 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 23:17:32 +00:00
Dale Johannesen
f23b8cf239
Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37271 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 22:42:04 +00:00
Evan Cheng
a6b4f43eaa
If-convert early exit blocks (returns, etc.); bug fixes, etc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37270 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 22:22:58 +00:00
Dale Johannesen
86d4069666
Add some patterns for PIC PC-relative loads and stores.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37269 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 22:14:33 +00:00
Evan Cheng
5a18ebc70c
BlockHasNoFallThrough() now returns true if block ends with a return instruction; AnalyzeBranch() should ignore predicated instructionsd.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37268 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 18:56:31 +00:00
Duncan Sands
7bf7a446a5
Only emit one entry in the exception action table for each action, even if
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it occurs for multiple landing pads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37267 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 18:50:28 +00:00
Evan Cheng
126f17a176
BlockHasNoFallThrough() now returns true if block ends with a return instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37266 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-21 18:44:17 +00:00
Bill Wendling
eaeeb6fbda
Update
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37265 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-20 19:56:24 +00:00
Reid Spencer
a24f6dfc90
Get the order of the hext digits right!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37261 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 14:44:42 +00:00
Reid Spencer
922d0bcf8b
Adjust how LLVM names are produced:
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1. Always use % for local and @ for global.
2. Replace NameNeedsQuotes with QuoteNameIfNeeded so that any adjustments
to the name can be done in one pass.
3. Implement generation of hex escapes so we don't get "wonky" characters
in the output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37260 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 07:25:21 +00:00
Reid Spencer
5f0d16dd62
Make sure we can round-trip an escaped value in a name.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37259 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 07:22:24 +00:00
Reid Spencer
ed951ea4ec
Regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37258 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 07:22:10 +00:00
Reid Spencer
aa7c2f8c03
Make the %"..." syntax legal for local name. This just makes it symmetric
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with global names which can already be @"..."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37257 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 07:21:26 +00:00
Chris Lattner
a2b18de4ba
Fix Transforms/InstCombine/2007-05-18-CastFoldBug.ll, a bug that devastates
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objc code due to the way the FE lowers objc message sends.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37256 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 06:51:32 +00:00
Chris Lattner
74b9a814f6
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37255 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 06:50:37 +00:00
Reid Spencer
cc442cabf6
On Linux platforms and at optimization levels -O1 and above, llvm-gcc can
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turn "putchar" calls into _IO_putc calls which is a lower-level interface.
This patch allows these calls to be executed by lli in interpreter mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37254 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 01:36:17 +00:00
Chris Lattner
8a282967ef
add source
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37253 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 01:22:52 +00:00
Chris Lattner
fb3e1190fc
Handle negative strides much more optimally. This compiles X86/lsr-negative-stride.ll
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into:
_t:
movl 8(%esp), %ecx
movl 4(%esp), %eax
cmpl %ecx, %eax
je LBB1_3 #bb17
LBB1_1: #bb
cmpl %ecx, %eax
jg LBB1_4 #cond_true
LBB1_2: #cond_false
subl %eax, %ecx
cmpl %ecx, %eax
jne LBB1_1 #bb
LBB1_3: #bb17
ret
LBB1_4: #cond_true
subl %ecx, %eax
cmpl %ecx, %eax
jne LBB1_1 #bb
jmp LBB1_3 #bb17
instead of:
_t:
subl $4, %esp
movl %esi, (%esp)
movl 12(%esp), %ecx
movl 8(%esp), %eax
cmpl %ecx, %eax
je LBB1_4 #bb17
LBB1_1: #bb.outer
movl %ecx, %edx
negl %edx
LBB1_2: #bb
cmpl %ecx, %eax
jle LBB1_5 #cond_false
LBB1_3: #cond_true
addl %edx, %eax
cmpl %ecx, %eax
jne LBB1_2 #bb
LBB1_4: #bb17
movl (%esp), %esi
addl $4, %esp
ret
LBB1_5: #cond_false
movl %ecx, %edx
subl %eax, %edx
movl %eax, %esi
addl %esi, %esi
cmpl %ecx, %esi
je LBB1_4 #bb17
LBB1_6: #cond_false.bb.outer_crit_edge
movl %edx, %ecx
jmp LBB1_1 #bb.outer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37252 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 01:22:21 +00:00
Chris Lattner
b0e07dd19a
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37251 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 01:21:39 +00:00
Chris Lattner
7667c0bac3
same patch as the previous one, but the symmetric case
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37249 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 00:46:51 +00:00
Chris Lattner
2ad913b342
Disable the (A == (B-A)) -> 2*A == B xform when the sub has multiple uses (in
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this case, the xform introduces an extra operation). This compiles
PowerPC/compare-duplicate.ll into:
_test:
subf r2, r3, r4
cmplw cr0, r2, r3
bne cr0, LBB1_2 ;F
instead of:
_test:
slwi r2, r3, 1
subf r3, r3, r4
cmplw cr0, r4, r2
bne cr0, LBB1_2 ;F
This is target independent of course.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37246 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 00:43:44 +00:00
Chris Lattner
35fbae2b6d
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37245 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 00:41:40 +00:00
Reid Spencer
20a4c23bcc
Fix an assertion introduced by my last change to the toString method. We
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can't use getZExtValue() to extract the low order bits for each digit.
Instead, we need to access the low order word directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37242 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-19 00:29:55 +00:00
Dan Gohman
f5135be3fc
Apply this patch:
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http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070514/049845.html
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37240 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 23:21:46 +00:00
Chris Lattner
60c7a136f3
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37239 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 20:18:14 +00:00
Dan Gohman
2fa7ce2b87
Add a testcase for unrolling loops with unknown tripcounts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37238 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 19:59:23 +00:00
Evan Cheng
7f8ff8af1a
Clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37237 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 19:32:08 +00:00
Evan Cheng
36489bbbac
Change to depth-first traversal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37236 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 19:26:33 +00:00
Dale Johannesen
a469b69dda
Document an inefficiency in tail merging.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37235 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 18:46:40 +00:00
Dan Gohman
fa0f77d9b7
Use MVT::FIRST_VECTOR_VALUETYPE and MVT::LAST_VECTOR_VALUETYPE.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37234 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 18:44:07 +00:00
Dan Gohman
fcc4dd91e5
Qualify calls to getTypeForValueType with MVT:: too.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37233 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 18:41:29 +00:00
Evan Cheng
cf6cc112d5
Some restructuring in preparation for most aggressive if-conversion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37231 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 18:14:37 +00:00
Dan Gohman
b55757ec5f
Qualify several calls to functions in the MVT namespace, for consistency.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37230 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 17:52:13 +00:00
Evan Cheng
6092ca1556
Watch out for blocks that end with a return.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37227 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 17:06:53 +00:00
Duncan Sands
7d841a4914
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37224 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 12:13:34 +00:00
Duncan Sands
32a8344cfa
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37223 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 09:04:20 +00:00
Chris Lattner
ef547ddcdd
better portability for intptr_t.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37221 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 07:07:05 +00:00
Chris Lattner
46ccdbf93d
finished the first draft
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37219 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 06:38:51 +00:00
Chris Lattner
60893e5fe9
crank out notes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37218 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 06:33:02 +00:00