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Author SHA1 Message Date
Duncan Sands
71bb115e1c Reapply r66415, which was reverted in r66426 for 
causing a bootstrap failure.  Bootstraps here on
x86-32-linux and x86-64-linux.  Requested by the
author Gabor Greif who says that a bug that might
have been causing the failure has since been fixed.

llvm-svn: 67844
 2009-03-27 15:29:38 +00:00
Rafael Espindola
38604d9598 I am trying to add a segment to the X86 addresses matching to 
improve TLS support (see http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090309/075220.html), but that code is VERY brittle.

This patch just makes it a bit more resistant.

llvm-svn: 67843
 2009-03-27 15:26:30 +00:00
Duncan Sands
e13276db7f Revert r67798: it breaks llvm-gcc bootstrap on x86-64-linux, presumably due to 
a miscompilation.

make[4]: Entering directory `gcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/include'
if [ ! -d "./x86_64-unknown-linux-gnu/bits/stdtr1c++.h.gch" ]; then \
          mkdir -p ./x86_64-unknown-linux-gnu/bits/stdtr1c++.h.gch; \
        fi; \
        gcc-4.2.llvm-objects/./gcc/xgcc -shared-libgcc -Bgcc-4.2.llvm-objects/./gcc -nostdinc++ 
-Lgcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/src -Lgcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs 
-B/usr/local/gnat-llvm/x86_64-unknown-linux-gnu/bin/ -B/usr/local/gnat-llvm/x86_64-unknown-linux-gnu/lib/ -isystem 
/usr/local/gnat-llvm/x86_64-unknown-linux-gnu/include -isystem /usr/local/gnat-llvm/x86_64-unknown-linux-gnu/sys-include -Winvalid-pch -Wno-deprecated -x 
c++-header -g -O2  -D_GNU_SOURCE -Igcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu 
-Igcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/include -Igcc-4.2.llvm/libstdc++-v3/libsupc++ -O2 -g 
gcc-4.2.llvm/libstdc++-v3/include/precompiled/stdtr1c++.h -o x86_64-unknown-linux-gnu/bits/stdtr1c++.h.gch/O2g.gch
In file included from gcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/include/tr1/repeat.h:247,
                 from gcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/include/tr1/functional:1098,
                 from gcc-4.2.llvm/libstdc++-v3/include/precompiled/stdtr1c++.h:53:
gcc-4.2.llvm-objects/x86_64-unknown-linux-gnu/libstdc++-v3/include/tr1/functional_iterate.h:417: internal compiler error: in ggc_recalculate_in_use_p, at 
ggc-page.c:1602
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://llvm.org/bugs/> for instructions.
make[4]: *** [x86_64-unknown-linux-gnu/bits/stdtr1c++.h.gch/O2g.gch] Error 1

llvm-svn: 67839
 2009-03-27 14:56:47 +00:00
Mikhail Glushenkov
d1d0033738 Documentation update. 
Expand a bit on various '--*-graph' options.

llvm-svn: 67836
 2009-03-27 12:58:29 +00:00
Mikhail Glushenkov
b768a08651 -write-graph now can be used with -o. 
Makes it possible to set the output file name.

llvm-svn: 67835
 2009-03-27 12:57:14 +00:00
Duncan Sands
28e2a3fee7 Revert previous change in favour of an explanatory 
comment.

llvm-svn: 67833
 2009-03-27 11:35:00 +00:00
Duncan Sands
915db4b084 A Release-Asserts build makes it sound like assertions 
are turned on, while in fact they are turned off.  Name
this Release-NoAsserts instead.

llvm-svn: 67831
 2009-03-27 09:41:56 +00:00
John Mosby
67ffa789e8 Shrink wrapping in PEI: initial release. Finishing development, enable with --shrink-wrap. 
llvm-svn: 67828
 2009-03-27 06:09:40 +00:00
Evan Cheng
00b79de6a7 Add a __builtin___memset_chk test. 
llvm-svn: 67815
 2009-03-27 02:45:14 +00:00
Dale Johannesen
9fd8bb432f One more place to skip debug info. 
llvm-svn: 67811
 2009-03-27 01:13:37 +00:00
Devang Patel
a2211c26d7 While hoisting an instruction, update alias info set tracker. 
llvm-svn: 67798
 2009-03-26 23:48:52 +00:00
Mike Stump
9ccd6c4c70 Update to account for driver renaming. 
llvm-svn: 67791
 2009-03-26 23:43:14 +00:00
Evan Cheng
ab6e38c88d -no-implicit-float means explicit fp operations are legal. 
llvm-svn: 67784
 2009-03-26 23:06:32 +00:00
Evan Cheng
86f6af35bf Add -march=x86. 
llvm-svn: 67783
 2009-03-26 23:03:32 +00:00
Mikhail Glushenkov
dd06b10f0b Fix misc. small issues with debug visualization. 
Detailed bug report:
http://llvm.org/bugs/show_bug.cgi?id=3873

llvm-svn: 67768
 2009-03-26 21:23:48 +00:00
Evan Cheng
1343fa32dc tADDhirr is a thumb instruction. Do not allow this code to be reached in non-thumb mode. 
llvm-svn: 67765
 2009-03-26 19:09:01 +00:00
Owen Anderson
2312267684 Don't assign a new stack slot if the pre-alloc splitter already assigned one. 
llvm-svn: 67764
 2009-03-26 18:53:38 +00:00
Jim Grosbach
2714e9fd55 fix a few spelling errors and typos 
llvm-svn: 67758
 2009-03-26 16:17:51 +00:00
Jim Grosbach
0f35bafdf3 Use 'bool' for FoundRC 
llvm-svn: 67750
 2009-03-26 14:45:34 +00:00
Bill Wendling
e59b8d1cad Add -f to RUN line. 
llvm-svn: 67744
 2009-03-26 06:17:54 +00:00
Bill Wendling
f4247ff478 Pull transform from target-dependent code into target-independent code. 
llvm-svn: 67742
 2009-03-26 06:14:09 +00:00
Chris Lattner
ad28e0de5f no need for eh info 
llvm-svn: 67740
 2009-03-26 05:51:18 +00:00
Chris Lattner
cefed33f04 fix warning in -asserts mode. 
llvm-svn: 67739
 2009-03-26 05:29:34 +00:00
Chris Lattner
fd5356e4a9 fix some warnings in release-asserts mode. 
llvm-svn: 67738
 2009-03-26 05:28:26 +00:00
Chris Lattner
4f992250bf fix an apparently real bug exposed by a warning in -asserts mode. 
llvm-svn: 67737
 2009-03-26 05:28:14 +00:00
Chris Lattner
fc26089eb4 fix warning in -asserts build. 
llvm-svn: 67736
 2009-03-26 05:25:59 +00:00
Bill Wendling
3b9278a1c5 Add testcase for r67728. 
llvm-svn: 67729
 2009-03-26 01:52:47 +00:00
Bill Wendling
f79eccc675 Match this pattern so that we can generate simpler code: 
%a = ...
  %b = and i32 %a, 2
  %c = srl i32 %b, 1
  %d = br i32 %c, 

into

  %a = ...
  %b = and %a, 2
  %c = X86ISD::CMP %b, 0
  %d = X86ISD::BRCOND %c ...

This applies only when the AND constant value has one bit set and the SRL
constant is equal to the log2 of the AND constant. The back-end is smart enough
to convert the result into a TEST/JMP sequence.

llvm-svn: 67728
 2009-03-26 01:47:50 +00:00
Bill Wendling
40ac545f38 Doxygen-ify comments. 
llvm-svn: 67727
 2009-03-26 01:46:56 +00:00
Dale Johannesen
03cedf1d8b Skip debug info one more place. (This one gets 
called from llc, not opt, but it's an IR level
optimization nevertheless.)

llvm-svn: 67724
 2009-03-26 01:15:07 +00:00
Devang Patel
8c31ea5290 Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block. 
llvm-svn: 67719
 2009-03-25 23:57:48 +00:00
Jim Grosbach
42e52f8296 Modify getRegisterValueType() to allow for a register being in mutliple 
register classes. Before, MVT::Other would be returned anytime a reg was
in multiple register classes. Now, MVT::Other is only returned if the types
for those register classes differ.

llvm-svn: 67714
 2009-03-25 23:28:33 +00:00
Evan Cheng
bddc7d1032 Add a test case for PR3779: when to promote the function return value. 
llvm-svn: 67702
 2009-03-25 20:30:19 +00:00
Evan Cheng
7e4217176a Revert 67132. This is breaking some objective-c apps. 
Also fixes SDISel so it *does not* force promote return value if the function is not marked signext / zeroext.

llvm-svn: 67701
 2009-03-25 20:20:11 +00:00
Evan Cheng
b5896c3c48 One more test. 
llvm-svn: 67694
 2009-03-25 17:45:18 +00:00
Dale Johannesen
9fb1dcd077 When optimizing with debug info, don't keep the 
stoppoint nodes around until Legalize; doing this
imposed an ordering on a sequence of loads that
came from different lines, interfering with scheduling.

llvm-svn: 67692
 2009-03-25 17:36:08 +00:00
Evan Cheng
c288c3bf1a Add __builtin___memcpy_chk tests. 
llvm-svn: 67691
 2009-03-25 16:49:31 +00:00
Duncan Sands
837d2365c1 These tests pass on linux. 
llvm-svn: 67689
 2009-03-25 16:43:59 +00:00
Evan Cheng
a51eea988c Add a __builtin_object_size test. 
llvm-svn: 67688
 2009-03-25 16:29:33 +00:00
Chris Lattner
e7eed82209 Fix a bug in our autoupgrade support: in an argument list to a function 
call, we should treat "i64 zext" as the start of a constant expr, but
"i64 0 zext" as an argument with an obsolete attribute on it (this form
is already tested by test/Assembler/2007-07-30-AutoUpgradeZextSext.ll).

Make the autoupgrade logic more discerning to avoid treating "i64 zext"
as an old-style attribute, causing us to reject a valid constant expr.
This fixes PR3876.

llvm-svn: 67682
 2009-03-25 06:36:36 +00:00
Gabor Greif
9ac00d10ea do not rely on callee being operand 0 
llvm-svn: 67681
 2009-03-25 06:32:59 +00:00
Devang Patel
65314415af Do not ignore DW_TAG_class_type! 
llvm-svn: 67675
 2009-03-25 03:52:06 +00:00
Evan Cheng
129934ea28 CodeGen still defaults to non-verbose asm, but llc now overrides it and default to verbose. 
llvm-svn: 67669
 2009-03-25 01:48:21 +00:00
Evan Cheng
3a7489a4cc CodeGen still defaults to non-verbose asm, but llc now overrides it and default to verbose. 
llvm-svn: 67668
 2009-03-25 01:47:28 +00:00
Evan Cheng
6ff8cea903 Don't print global names twice with -asm-verbose. 
llvm-svn: 67667
 2009-03-25 01:08:42 +00:00
Dan Gohman
0f859353ea Revert r67655 and r67656, as they are breaking the build. I'm 
not going to persue this further at this time.

llvm-svn: 67666
 2009-03-25 00:52:11 +00:00
Chris Lattner
c055403764 Fix PR3874 by restoring a condition I removed, but making it more 
precise than it used to be.

llvm-svn: 67662
 2009-03-25 00:28:58 +00:00
Devang Patel
225831fc9e Do not ignore DW_TAG_class_type! 
llvm-svn: 67661
 2009-03-25 00:28:40 +00:00
Dan Gohman
ec41ca9857 LLVM's master Makefile.common is in LLVM_SRC_ROOT, not LLVM_OBJ_ROOT. 
llvm-svn: 67658
 2009-03-25 00:09:05 +00:00
Chris Lattner
be6ee56fb2 oops, I intended to remove this, not comment it out. Thanks Duncan! 
llvm-svn: 67657
 2009-03-24 23:48:25 +00:00