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Author SHA1 Message Date
Chris Lattner
ad63a0d6a4 Fix a FIXME: Select instructions on longs were miscompiled. 
While we're at it, improve codegen of select instructions.  For this
testcase:

int %test(bool %C, int %A, int %B) {
  %D = select bool %C, int %A, int %B
  ret int %D
}

We used to generate this code:

_test:
        cmpwi cr0, r3, 0
        bne .LBB_test_2 ;
.LBB_test_1:    ;
        b .LBB_test_3   ;
.LBB_test_2:    ;
        or r5, r4, r4
.LBB_test_3:    ;
        or r3, r5, r5
        blr

Now we emit:

_test:
        cmpwi cr0, r3, 0
        bne .LBB_test_2 ;
.LBB_test_1:    ;
        or r4, r5, r5
.LBB_test_2:    ;
        or r3, r4, r4
        blr

-Chris

llvm-svn: 19214
 2005-01-01 16:10:12 +00:00
Chris Lattner
ccd0d44133 Substantially improve the code generated by non-folded setcc instructions. 
In particular, instead of compiling this:

bool %test(int %A, int %B) {
  %C = setlt int %A, %B
  ret bool %C
}

to this:

test:
        save %sp, -96, %sp
        subcc %i0, %i1, %g0
        bl .LBBtest_1   !
        nop
        ba .LBBtest_2   !
        nop
.LBBtest_1:     !
        or %g0, 1, %i0
        ba .LBBtest_3   !
        nop
.LBBtest_2:     !
        or %g0, 0, %i0
        ba .LBBtest_3   !
        nop
.LBBtest_3:     !
        restore %g0, %g0, %g0
        retl
        nop

We now compile it to this:

test:
        save %sp, -96, %sp
        subcc %i0, %i1, %g0
        or %g0, 1, %i0
        bl .LBBtest_2   !
        nop
.LBBtest_1:     !
        or %g0, %g0, %i0
.LBBtest_2:     !
        restore %g0, %g0, %g0
        retl
        nop

llvm-svn: 19213
 2005-01-01 16:06:57 +00:00
Chris Lattner
5fff877f74 Implement SimplifyCFG/DeadSetCC.ll 
SimplifyCFG is one of those passes that we use for final cleanup: it should
not rely on other passes to clean up its garbage.  This fixes the "why are
trivially dead setcc's in the output of gccas" problem.

llvm-svn: 19212
 2005-01-01 16:02:12 +00:00
Chris Lattner
fcc2ae9a85 Add new test to make sure simplifycfg doesn't leave around trivially 
dead instructions.

llvm-svn: 19211
 2005-01-01 16:00:56 +00:00
Chris Lattner
043ec8bb61 Allow getZeroExtend and getSignExtend to work with boolean inputs. 
llvm-svn: 19210
 2005-01-01 15:59:57 +00:00
Chris Lattner
70d0a6155b Add a useful accessor 
llvm-svn: 19209
 2005-01-01 15:58:55 +00:00
Chris Lattner
7f004e59d8 Add two helper functions. 
llvm-svn: 19208
 2005-01-01 15:58:41 +00:00
Reid Spencer
3ab011eb95 Update to autoconf 2.59 standards. 
llvm-svn: 19207
 2005-01-01 09:26:55 +00:00
Reid Spencer
41ac6a5ebb Correct the conditional test for non-portable tools so that it will 
correctly omit them for non-Unix operating systems.

llvm-svn: 19206
 2004-12-31 22:56:14 +00:00
Reid Spencer
734b581c5b For PR351: 
Make LLVM_ON_UNIX and LLVM_ON_WIN32 available in the makefiles

llvm-svn: 19205
 2004-12-31 22:54:28 +00:00
Reid Spencer
c820ef21d2 Describe both objdir==srcdir and objdir!=srcdir methods of building LLVM 
libraries and tools. Thanks to Henrik Bach for this suggestion.

llvm-svn: 19204
 2004-12-31 19:48:59 +00:00
Jeff Cohen
a46121ed32 Where do these tabs keep coming from??? 
llvm-svn: 19203
 2004-12-31 19:03:31 +00:00
Jeff Cohen
9b439381c3 Mostly cleanup, but also some bug fixes, for win32/Path.cpp 
llvm-svn: 19202
 2004-12-31 19:01:08 +00:00
Reid Spencer
7b4b2407c1 Fix a compilation error for the case where mallinfo() is not available. 
llvm-svn: 19201
 2004-12-31 05:53:27 +00:00
Reid Spencer
e5034a35e0 For PR351: 
* lib/System depends on sbrk(3), make sure we check for it.

llvm-svn: 19200
 2004-12-31 05:49:15 +00:00
Jeff Cohen
01422b3799 Get rid of those nasty tabs... 
llvm-svn: 19199
 2004-12-31 05:07:26 +00:00
Jeff Cohen
82a2c68071 Bring win32/Path.cpp up to date with respect to Unix/Path.cpp 
llvm-svn: 19198
 2004-12-31 04:39:07 +00:00
Reid Spencer
e4d3b8be5f * Add missing libraries: Linker, Archive, SparcV8 
* Make library descriptions consistently lower case.

llvm-svn: 19197
 2004-12-31 00:13:14 +00:00
Reid Spencer
f44b349462 * Don't include weak definitions as a definition 
* Make subordinate libraries presented with a vertical list instead of all
  listed on a single line.

llvm-svn: 19196
 2004-12-30 23:13:12 +00:00
Reid Spencer
d8594c8a71 Add a section on library dependencies now that GenLibDeps.html is written. 
llvm-svn: 19195
 2004-12-30 23:12:04 +00:00
Reid Spencer
5de7573398 A Perl script to generate an HTML definition list containing the LLVM 
library dependencies, for documentation purposes.

llvm-svn: 19194
 2004-12-30 23:07:56 +00:00
Reid Spencer
30def4aeda Fix the help documentation to not imply multiple archive files can be 
processed.

llvm-svn: 19193
 2004-12-30 17:51:57 +00:00
Reid Spencer
298f85282c For PR351: 
* Place a try/catch block around the entire tool to Make sure std::string
  exceptions are caught and printed before exiting the tool.
* Make sure we catch unhandled exceptions at the top level so that we don't
  abort with a useless message but indicate than an unhandled exception was
  generated.

llvm-svn: 19192
 2004-12-30 05:36:08 +00:00
Jeff Cohen
89e7c7553c Fix MINGW compilation errors 
llvm-svn: 19190
 2004-12-30 03:02:31 +00:00
Reid Spencer
53cfb14270 * Fix a bug in an m4 macro that used an incorrect test operator 
* Add CAN_DLOPEN_SELF so we can determine if dlopen(0) will open the
  program or not.
* Correct a warning messages to be a little more specific on what it checks

llvm-svn: 19184
 2004-12-29 07:07:57 +00:00
Reid Spencer
597e16ea02 Fix a Bourne Shell syntax error in a test 
llvm-svn: 19183
 2004-12-29 06:59:36 +00:00
Reid Spencer
e81bc94b62 Fix one of the names to not have a . in front of it. 
llvm-svn: 19182
 2004-12-29 05:47:04 +00:00
Chris Lattner
16ec3b91f1 Bug fixed 
llvm-svn: 19181
 2004-12-29 04:39:50 +00:00
Chris Lattner
b49dd5c526 Fix PR491 and testcase Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll 
llvm-svn: 19180
 2004-12-29 04:36:02 +00:00
Chris Lattner
903f83505d Add a comment, add a new testcase 
llvm-svn: 19179
 2004-12-29 04:35:30 +00:00
Chris Lattner
814ff906be New testcase for PR491 
llvm-svn: 19178
 2004-12-29 04:27:26 +00:00
Chris Lattner
992916974e Bug fixed 
llvm-svn: 19177
 2004-12-29 04:03:23 +00:00
Chris Lattner
37b9eef884 Fix PR490 
Fix testcase CodeGen/CBackend/2004-12-28-LogicalConstantExprs.ll

llvm-svn: 19176
 2004-12-29 04:00:09 +00:00
Chris Lattner
5855827688 new testcase for PR490 
llvm-svn: 19175
 2004-12-29 03:57:25 +00:00
Reid Spencer
ae71156e64 XFAIL this test everywhere. 
llvm-svn: 19174
 2004-12-29 03:17:30 +00:00
Reid Spencer
9dd73a8ff6 XFAIL this everywhere, the CFE doesn't support bitfield initialization. 
llvm-svn: 19173
 2004-12-29 03:16:40 +00:00
Reid Spencer
03a53912a7 Remove potential platform portability issue with size of "int". 
llvm-svn: 19172
 2004-12-29 01:20:24 +00:00
Reid Spencer
091690d283 Correct the name of the variable for the LLVM examples directory so that 
parallel builds don't attempt to create it twice.

llvm-svn: 19171
 2004-12-28 07:59:22 +00:00
Reid Spencer
2201286c2d Make the x86_64 target names match between def and use. Thanks Misha. 
llvm-svn: 19170
 2004-12-28 07:56:14 +00:00
Reid Spencer
76de36d644 Make the 64-bit x86 target named "x86_64" instead of "AMD64". 
llvm-svn: 19169
 2004-12-28 06:34:11 +00:00
Misha Brukman
e33f31a5bc Add a note about registering the backend so it's available in LLC and LLI 
llvm-svn: 19168
 2004-12-27 19:05:16 +00:00
Jeff Cohen
1a95a53fc3 Bring VS projects up to date with respect to recent changes 
llvm-svn: 19167
 2004-12-27 16:49:34 +00:00
Reid Spencer
727a291b4e Don't create symbolic links for lib/System any more. It doesn't need them. 
llvm-svn: 19166
 2004-12-27 09:33:46 +00:00
Reid Spencer
7b07e70f86 Clean up some autoconf cruft 
* Make the source detection use a file unique to Stacker
* Configure Makefile.common.in with AC_CONFIG_FILES not AC_CONFIG_MAKEFILE
* Use new autoconf format for invoking AC_OUTPUT

llvm-svn: 19165
 2004-12-27 08:51:55 +00:00
Reid Spencer
23650b8843 Make it possible to reconfigure a project as well as just LLVM main dir. 
llvm-svn: 19164
 2004-12-27 08:50:27 +00:00
Reid Spencer
298690bde2 Fix a bug that made the nightly tester *really* slow. During changes for 
portability, the --track-space option was inadvertently ignored. This patch
fixes that so that sys::Process::GetMallocUsage() is only invoked if the
--track-spaces option is given. Apparently the mallinfo() call that
GetMallocUsage() uses is *very* slow, especially when processing very large
modules like projects/llvm-test/MultiSource/Applications/kimwitu++.

llvm-svn: 19163
 2004-12-27 08:03:04 +00:00
Reid Spencer
db6309fd55 For PR351: 
* sys::PreventCoreFiles -> sys::Process::PreventCoreFiles

llvm-svn: 19162
 2004-12-27 06:18:02 +00:00
Reid Spencer
1c90f8199e For PR351: 
* Ensure #includes are wrapped with appropriate HAVE_ guards
* Account for variations in time.h and sys/time.h inclusion.
* Add macros for getting wait(2) exit status correctly (per autoconf sugg.)
* Implement ThrowErrno in terms of strerror_r, strerror or none based on
  what is available on the platform.

llvm-svn: 19161
 2004-12-27 06:17:50 +00:00
Reid Spencer
73adbe7c2d For PR351: 
* Remove redundant #includes that are now in Unix.h

llvm-svn: 19160
 2004-12-27 06:17:39 +00:00
Reid Spencer
b454405d4a For PR351: 
* Move implementation of sys::PreventCoreFiles function to this file from
  the now defunct SysConfig abstraction.

llvm-svn: 19159
 2004-12-27 06:17:27 +00:00