Chris Lattner
cbea67f55b
generalize the fix for PR977 to also fix
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Transforms/LCSSA/2006-10-31-UnreachableBlock-2.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31317 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 18:56:48 +00:00
Chris Lattner
237f0de7d5
another testcase for PR977
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31316 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 18:56:24 +00:00
Chris Lattner
1753faee81
Fix PR977 and Transforms/LCSSA/2006-10-31-UnreachableBlock.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31315 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 17:52:18 +00:00
Chris Lattner
c176fa3d37
testcase for PR977
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31314 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 17:51:36 +00:00
Andrew Lenharth
f81173f70e
Add all that branch mangling niftiness
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31313 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 16:49:55 +00:00
Rafael Espindola
b191e0ab51
add support for calling functions when the caller has variable sized objects
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31312 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 13:03:26 +00:00
Anton Korobeynikov
ab4022f196
1. Clean up code due to changes in SwitchTo*Section(2)
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2. Added partial debug support for mingw\cygwin targets (the same as
Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
for storing debug info by default, thus many (runtime) libraries has
this information included. These formats shouldn't be mixed in one binary
('stabs' & 'DWARF'), otherwise binutils tools will be confused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31311 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 08:31:24 +00:00
Chris Lattner
d03f1581c8
Turn an assert into an error message. This is commonly triggered when
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we don't support a specific constraint yet. When this happens, print the
unsupported constraint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31310 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 07:33:13 +00:00
Chris Lattner
94b6d6eb6b
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31309 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 06:26:10 +00:00
Chris Lattner
406dd6a768
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31308 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 06:25:13 +00:00
Chris Lattner
c160744e92
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31307 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 06:15:14 +00:00
Anton Korobeynikov
b52cf1f194
Unbreaking static ctors patch.
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Defaulting second arguments of SwitchTo*Section, this should make things
somehow clearer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31306 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 06:11:06 +00:00
Evan Cheng
d063189c09
Fix a typo which can break jumptables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31305 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 02:31:00 +00:00
Reid Spencer
090ac3641d
Make this compile again.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31304 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 01:45:56 +00:00
Evan Cheng
2e323aa09d
Apply Aton's LLVM patch for PR973: Linux ctors / dtors support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31303 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 01:26:55 +00:00
Reid Spencer
0de0c5da42
Fix a problem introduced by a last-minute change (logic negation).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31302 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 23:34:32 +00:00
Chris Lattner
1d75400e2e
fix miscompilation of llvm.isunordered, where we branched on the opposite
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condition. This fixes miscompilation of Olden/bh and many others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31301 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 23:02:25 +00:00
Reid Spencer
6ac310d5e9
Don't mislead readers by claiming a variable is defaulted to false when
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the default is actually true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31300 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 22:46:49 +00:00
Reid Spencer
02b8511364
Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4
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generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31299 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 22:32:30 +00:00
Chris Lattner
6ce644392e
fix wonky indentation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31298 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 22:27:23 +00:00
Devang Patel
b79a59dcfc
Update comment. Valid option is -debug-pass=Structures.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31297 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 19:25:54 +00:00
Jim Laskey
a9c83fe5e1
Switch abbreviations to use the folding set.a.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31296 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 15:59:54 +00:00
Jim Laskey
6519546eda
Simplify DwarfWriter header.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31295 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 13:35:07 +00:00
Evan Cheng
c35497fc2a
All targets expand BR_JT for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31294 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 08:02:39 +00:00
Evan Cheng
3d4ce11085
Lower jumptable to BR_JT. The legalizer can lower it to a BRIND or let the target custom lower it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31293 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 08:00:44 +00:00
Evan Cheng
c41cd9c391
Added a new SDNode type: BR_JT for jumptable branch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31292 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 07:59:36 +00:00
Chris Lattner
55d7244f69
fix this regtest
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31291 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 05:24:03 +00:00
Chris Lattner
09b6ac92d8
add a new form of insert.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31290 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 05:07:51 +00:00
Chris Lattner
dd94c8d6b2
Add SmallString a (currently) minimal class that adapts SmallVector to be
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more string-like.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31289 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 03:39:20 +00:00
Chris Lattner
6c1645ce7d
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31288 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 03:14:15 +00:00
Chris Lattner
463c4a1ae9
add newline at end of file
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31287 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 23:47:01 +00:00
Chris Lattner
23d7b36117
add a highly efficient hash table that is specialized for mapping C strings
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to some other type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31286 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 23:42:03 +00:00
Chris Lattner
9f617d64c5
Add a new llvm::Allocator abstraction, which will be used by a container
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I'm about to add. This is similar to, but necessarily different than, the
STL allocator class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31285 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 22:08:03 +00:00
Chris Lattner
120bc21576
Fix SimplifyCFG/2006-10-29-InvokeCrash.ll, a crash compiling QT.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31284 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:21:20 +00:00
Chris Lattner
7c94454c56
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31283 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:20:56 +00:00
Chris Lattner
6b0e3f8907
Make CanFallThrough more intelligent (so it can handle blocks with (e.g.) no
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successors), and make island block movement more general.
This compiles CodeGen/X86/2006-04-27-ISelFoldingBug.ll to:
_loadAndRLEsource_no_exit_2E_1_label_2E_0:
subl $8, %esp
movl %esi, 4(%esp)
movl %ebx, (%esp)
movl 16(%esp), %eax
movl 12(%esp), %ecx
LBB1_3: #label.0
movl _last, %edx
movl %edx, %esi
incl %esi
movl %esi, _last
movl %ecx, %ebx
# TRUNCATE movb %bl, %bl
movl _block, %esi
movb %bl, 1(%esi,%edx)
cmpl %eax, _last
jge LBB1_2 #codeRepl5.exitStub
LBB1_4: #label.0
cmpl $257, %ecx
je LBB1_2 #codeRepl5.exitStub
LBB1_1: #label.0.no_exit.1_crit_edge.exitStub
movl $1, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
LBB1_2: #codeRepl5.exitStub
xorl %eax, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
instead of:
_loadAndRLEsource_no_exit_2E_1_label_2E_0:
subl $8, %esp
movl %esi, 4(%esp)
movl %ebx, (%esp)
movl 16(%esp), %eax
movl 12(%esp), %ecx
jmp LBB1_3 #label.0
LBB1_1: #label.0.no_exit.1_crit_edge.exitStub
movl $1, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
LBB1_2: #codeRepl5.exitStub
xorl %eax, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
LBB1_3: #label.0
movl _last, %edx
movl %edx, %esi
incl %esi
movl %esi, _last
movl %ecx, %ebx
# TRUNCATE movb %bl, %bl
movl _block, %esi
movb %bl, 1(%esi,%edx)
cmpl %eax, _last
jge LBB1_2 #codeRepl5.exitStub
LBB1_4: #label.0
cmpl $257, %ecx
jne LBB1_1 #label.0.no_exit.1_crit_edge.exitStub
jmp LBB1_2 #codeRepl5.exitStub
... which is much better layout :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31282 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:05:41 +00:00
Chris Lattner
6a586c8d9a
fix Generic/2006-10-29-Crash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31281 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:01:20 +00:00
Chris Lattner
1bc33f7c81
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31280 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:00:55 +00:00
Chris Lattner
5a145f0094
Fix a load folding issue that Evan noticed: there is no need to export values
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used by comparisons in the main block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 18:23:37 +00:00
Jim Laskey
a97c67c866
Try again.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31278 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 09:19:59 +00:00
Jim Laskey
d8cb446aa2
Not handling zero length strings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31277 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 08:27:07 +00:00
Evan Cheng
ba726ab3ec
VLOAD is not the LoadSDNode opcode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31276 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 06:14:47 +00:00
Nick Lewycky
f6aaaaa39e
Remove spurious case. EXTLOAD is not one of the node opcodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31275 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 02:26:30 +00:00
Chris Lattner
bad7f48c70
split critical edges more carefully and intelligently. In particular, critical
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edges whose destinations are not phi nodes don't bother us. Also, share
split edges, since the split edge can't have a phi. This significantly
reduces the complexity of generated code in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31274 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 19:22:10 +00:00
Chris Lattner
6acfe12dd6
Teach branch folding to fold identical jump tables together and to delete
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jump tables that are dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31273 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:34:47 +00:00
Chris Lattner
c4aacac056
add an assertion
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31272 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:21:51 +00:00
Chris Lattner
5f8d61bbd8
remove dead method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31271 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:21:29 +00:00
Chris Lattner
4976dfb4b9
add a method for hacking on JTIdx's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31270 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:18:36 +00:00
Chris Lattner
a4eb44a285
const'ify jump table stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31269 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:17:09 +00:00
Chris Lattner
95e4786a76
add a method for deleting dead jump tables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31268 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:12:00 +00:00