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Author SHA1 Message Date
NAKAMURA Takumi
7f269a5123 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126197
 2011-02-22 07:19:20 +00:00
NAKAMURA Takumi
68b4d6429e Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126196
 2011-02-22 07:19:12 +00:00
NAKAMURA Takumi
ec693007ce test/CodeGen/X86/vec_cast.ll: Mark as XFAIL: migw,win32 for workaround of PR8311. 
llvm-svn: 126195
 2011-02-22 07:19:03 +00:00
NAKAMURA Takumi
d44c74a8a6 test/CodeGen/X86/red-zone.ll: Add explicit -mtriple=x86_64-linux. 
Redzone is not applicable on Win64.

llvm-svn: 126194
 2011-02-22 07:18:55 +00:00
Evan Cheng
f7c6f8580b Guard against de-referencing MBB.end(). 
llvm-svn: 126192
 2011-02-22 07:07:59 +00:00
Evan Cheng
6e3d087477 available_externally (hidden or not) GVs are always accessed via stubs. rdar://9027648. 
llvm-svn: 126191
 2011-02-22 06:58:34 +00:00
Andrew Trick
ec08eae0aa VirtRegRewriter assertion fix. 
Apparently it's ok for multiple operands to "kill" the same register.
Fixes PR9237.

llvm-svn: 126190
 2011-02-22 06:52:56 +00:00
Cameron Zwarich
c942ffcae4 Roll out r126169 and r126170 in an attempt to fix the selfhost bot. 
llvm-svn: 126185
 2011-02-22 03:24:52 +00:00
Sean Callanan
419a1b871e Added a testcase for the enhanced disassembly bug 
fixed in r126147, where a field in the X86 decode
structure was being read as bits, not bytes.

llvm-svn: 126182
 2011-02-22 02:19:18 +00:00
Sean Callanan
2fd268300e Fixed llvm-mc in edis mode to use the result of 
operand.evaluate as an error code, not as the
contents of the operand.

llvm-svn: 126181
 2011-02-22 02:09:15 +00:00
Sean Callanan
6619ddaec6 Fixed lit.cfg to no longer recognize the old 
edis name as needing expansion.  This tool was
been replaced by llvm-mc long ago.

llvm-svn: 126180
 2011-02-22 02:05:53 +00:00
Eric Christopher
58b95654bc Only use blx for external function calls on thumb, these could be fixed 
up by the dynamic linker, but it's better to use the correct instruction
to begin with.

Fixes rdar://9011034

llvm-svn: 126176
 2011-02-22 01:37:10 +00:00
Cameron Zwarich
4c6c791d94 Eliminate valgrind warnings from Python on the 32-bit as well. 
llvm-svn: 126171
 2011-02-22 01:00:10 +00:00
Cameron Zwarich
63ed1f4c67 Merge information about the number of zero, one, and sign bits of live-out registers 
at phis. This enables us to eliminate a lot of pointless zexts during the DAGCombine
phase. This fixes <rdar://problem/8760114>.

llvm-svn: 126170
 2011-02-22 00:46:27 +00:00
Cameron Zwarich
939fceef5b Have isel visit blocks in reverse postorder rather than an undefined order. This 
allows for the information propagated across basic blocks to be merged at phis.

llvm-svn: 126169
 2011-02-22 00:46:22 +00:00
Joerg Sonnenberger
9dceff5417 Recognize loopz and loopnz as aliases for loope and loopne. 
From Dimitry Andric.

llvm-svn: 126168
 2011-02-22 00:43:07 +00:00
Rafael Espindola
e4a04cce2b Implement xgetbv and xsetbv. 
Patch by Jai Menon.

llvm-svn: 126165
 2011-02-22 00:35:18 +00:00
Eric Christopher
de9e3eaf5f Revert r125960, it's breaking darwin10 bootstrap. 
llvm-svn: 126163
 2011-02-21 23:52:19 +00:00
Evan Cheng
aaa5bd52f4 Skipping over debugvalue instructions to determine whether the split spot is in a IT block. rdar://9030770 
llvm-svn: 126159
 2011-02-21 23:40:47 +00:00
Evan Cheng
f5f2a92f8f Add more debugging output. 
llvm-svn: 126158
 2011-02-21 23:39:48 +00:00
Joerg Sonnenberger
dfe33572b5 Handle FK_PCRel_1 and add a test case for this and FK_PCRel_4. 
llvm-svn: 126157
 2011-02-21 23:25:41 +00:00
Devang Patel
d5c4589795 Revert r124611 - "Keep track of incoming argument's location while emitting LiveIns." 
In other words, do not keep track of argument's location.  The debugger (gdb) is not prepared to see line table entries for arguments. For the debugger, "second" line table entry marks beginning of function body.
This requires some coordination with debugger to get this working. 
 - The debugger needs to be aware of prolog_end attribute attached with line table entries.
 - The compiler needs to accurately mark prolog_end in line table entries (at -O0 and at -O1+)

llvm-svn: 126155
 2011-02-21 23:21:26 +00:00
Jakob Stoklund Olesen
508829f1d1 Add SplitKit::isOriginalEndpoint and use it to force live range splitting to terminate. 
An original endpoint is an instruction that killed or defined the original live
range before any live ranges were split.

When splitting global live ranges, avoid creating local live ranges without any
original endpoints. We may still create global live ranges without original
endpoints, but such a range won't be split again, and live range splitting still
terminates.

llvm-svn: 126151
 2011-02-21 23:09:46 +00:00
Sean Callanan
8aaf83f2b8 Fixed a bug in the X86 disassembler where a member of the 
X86 instruction decode structure was being interpreted as
being in units of bits, although it is actually stored in
units of bytes.

llvm-svn: 126147
 2011-02-21 21:55:05 +00:00
Stuart Hastings
8181f2d5a3 End the line if we return early. Radar 9012638. 
llvm-svn: 126141
 2011-02-21 21:07:07 +00:00
David Greene
daf8097c16 Add a convenience tool for doing comparison builds of the LLVM 
ecosystem.  This is a handy utility for checking changes before
committing them to the repository.

llvm-svn: 126136
 2011-02-21 19:23:22 +00:00
Chris Lattner
30e6844ca9 Better OpenBSD support, patch by Amit Kulkarni. I have no way to test 
that this doesn't break gold, but it seems reasonable to me.

llvm-svn: 126135
 2011-02-21 18:38:56 +00:00
Richard Osborne
bd0e21b5ca Add XCore intrinsics for various instructions on ports. 
llvm-svn: 126132
 2011-02-21 18:23:30 +00:00
Stuart Hastings
736a9b66c2 Test case for r126127. Radar 9012638. 
llvm-svn: 126131
 2011-02-21 18:08:40 +00:00
Duncan Sands
77c058dc70 The stack should be 16 byte aligned on 32 bit solaris. Patch by Yuri. 
llvm-svn: 126130
 2011-02-21 17:37:17 +00:00
Duncan Sands
17a277da6d If the phi node was used by an unreachable instruction that ends up using 
itself without going via a phi node then we could return false here in
spite of making a change.  Also, tweak the comment because this method
can (and always could) return true without deleting the original phi node.
For example, if the phi node was used by a read-only invoke instruction
which is used by another phi node phi2 which is only used by and only uses
the invoke, then phi2 would be deleted but not the invoke instruction and
not the original phi node.

llvm-svn: 126129
 2011-02-21 17:32:05 +00:00
Stuart Hastings
d7ca2e5b61 Fix to correctly support attribute((section("__DATA, __common"))). 
Radar 9012638.

llvm-svn: 126127
 2011-02-21 17:27:17 +00:00
Chris Lattner
e7dc7e1e5b a serious "compare CSE" issue that is nontrivial to get right, 
but which is responsible for us doing really bad things to 256.bzip2.

llvm-svn: 126126
 2011-02-21 17:03:47 +00:00
Chris Lattner
83c60ae907 fix a crasher in disabled code (on variable stride loops) 
llvm-svn: 126125
 2011-02-21 17:02:55 +00:00
Duncan Sands
702e8b136e Simplify RecursivelyDeleteDeadPHINode. The only functionality change 
should be that if the phi is used by a side-effect free instruction with
no uses then the phi and the instruction now get zapped (checked by the
unittest).

llvm-svn: 126124
 2011-02-21 16:27:36 +00:00
NAKAMURA Takumi
a03e9f0267 Target/X86/X86FastISel: [PR6275] Fix Win32's dllimport function with fastisel. 
"dllimport" function must not be GlobalVariable, but Function. It is enough to check with GlobalValue.
test/CodeGen/X86/dll-linkage.ll is updated to check llc -O0.

llvm-svn: 126110
 2011-02-21 04:50:06 +00:00
Venkatraman Govindaraju
1a5bbc7f1e Generate correct Sparc32 ABI compliant code for functions that return a struct. 
llvm-svn: 126108
 2011-02-21 03:42:44 +00:00
NAKAMURA Takumi
684e41daef CMake: Define LLVM_INCLUDE_TESTS in cmake/modules/HandleLLVMOptions.cmake. It affects testing stuff on clang-standalone build. 
llvm-svn: 126107
 2011-02-21 03:21:06 +00:00
NAKAMURA Takumi
14b5d12c1e CMake: Fix breakage on clang standalone build. 
llvm-svn: 126106
 2011-02-21 03:20:57 +00:00
Chris Lattner
c373140c8b add a missed loop deletion case. 
llvm-svn: 126103
 2011-02-21 02:13:39 +00:00
Chris Lattner
9d2899115f Add some (disabled code) to print out negative strides. 
llvm-svn: 126102
 2011-02-21 02:08:54 +00:00
Chris Lattner
8760c28fe1 add an idiom that loop idiom could theoretically catch. 
llvm-svn: 126101
 2011-02-21 01:33:38 +00:00
Cameron Zwarich
3384d8f317 A lo/hi mul has higher latency than an imul r,ri, e.g. 5 cycles compared to 3 
on Core 2 and Nehalem, so the code we generate is better than GCC's here.

llvm-svn: 126100
 2011-02-21 01:29:32 +00:00
Joerg Sonnenberger
2204260330 Use a vector of pairs to implement the section stack, not two 
independent vectors.

llvm-svn: 126099
 2011-02-21 01:07:42 +00:00
Cameron Zwarich
b7e676db6c The signed version of our "magic number" computation for the integer approximation 
of a constant had a minor typo introduced when copying it from the book, which
caused it to favor negative approximations over positive approximations in many
cases. Positive approximations require fewer operations beyond the multiplication.

In the case of division by 3, we still generate code that is a single instruction
larger than GCC's code.

llvm-svn: 126097
 2011-02-21 00:22:02 +00:00
Oscar Fuentes
22247bd624 Put targets on folders, if the IDE supports the feature. 
Requires CMake 2.8.3 or newer.

llvm-svn: 126092
 2011-02-20 22:06:10 +00:00
Rafael Espindola
5fd4a261e7 Add some limited support for labels in org directives. Hopefully enough to fix 
PR9245.

llvm-svn: 126091
 2011-02-20 20:20:07 +00:00
Rafael Espindola
83ad96cc73 Dispose modules early and only create codegen when the plugin is being 
used by the linker and not by nm or ar.

llvm-svn: 126089
 2011-02-20 18:28:29 +00:00
Nick Lewycky
ecae3aec02 Make RecursivelyDeleteDeadPHINode delete a phi node that has no users and add a 
test for that. With this change, test/CodeGen/X86/codegen-dce.ll no longer finds
any instructions to DCE, so delete the test.

Also renamed J and JP to I and IP in RecursivelyDeleteDeadPHINode.

llvm-svn: 126088
 2011-02-20 18:05:56 +00:00
Rafael Espindola
5a77325398 Fix some memory leaks and avoid looking in the hash tables twice. 
libxul links in 7m0.403s.

llvm-svn: 126085
 2011-02-20 16:27:25 +00:00