Devang Patel
79b48b8bc0
Add dump() routines for debugging assistance.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37314 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 19:55:36 +00:00
Anton Korobeynikov
070280e97f
Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37311 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 11:08:31 +00:00
Chris Lattner
501fee71e0
prevent exponential recursion in isNegatibleForFree
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37310 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 07:35:22 +00:00
Evan Cheng
a13aa95bc8
Preliminary iterative if-conversion support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37309 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 07:23:16 +00:00
Evan Cheng
69d555611a
Hooks for predication support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37308 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 07:22:05 +00:00
Evan Cheng
d90733035d
Rename a parameter.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37307 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 07:21:11 +00:00
Chris Lattner
f711fb7af8
when merging two alias sets together, be sure to propagate the volatility of
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the inner set. This fixes PR1435 and Transforms/LICM/2007-05-22-VolatileSink.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37305 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 06:36:35 +00:00
Devang Patel
b3b87708eb
If user wants to run instcombine twice, do not block it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37301 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 05:08:52 +00:00
Chris Lattner
2b7e0ade62
fix a miscompilation when passing a float through varargs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37297 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-23 01:17:04 +00:00
Reid Spencer
4ad513ca15
Reinstate the patch for escaping non-printing characters and allow for
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\\ to escape \. All these cases are now handled by the AsmParser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37295 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 19:27:35 +00:00
Reid Spencer
e2aa96140e
Regenerate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37294 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 19:08:16 +00:00
Reid Spencer
8ecdbf2d5f
Don't allow the UnEscape code to read or write beyond the end of yytext.
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Make sure we convert \\ into \.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37293 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 19:07:45 +00:00
Reid Spencer
0a8a16b727
Regenerate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37292 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 18:52:55 +00:00
Reid Spencer
6ecdcc1c03
Implement full unescaping of escaped hex characters in all quoted identifiers
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and strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37291 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 18:52:21 +00:00
Dale Johannesen
e6e435498c
name change requested by review of previous patch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37289 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 18:31:04 +00:00
Owen Anderson
2b77d3b091
Silence a warning.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37288 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-22 18:13:40 +00:00
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
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
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
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
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
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
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
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
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
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
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
Chris Lattner
b348bb8125
Fix PR1434 and test/Linker/link-archive.ll, this is a regression from 1.9.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37204 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-18 04:02:46 +00:00