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Author SHA1 Message Date
Rafael Espindola
b449a68146 Make code a bit less brittle by no hardcoding the number 
of operands in an address in so many places.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67945 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 17:03:24 +00:00
Arnold Schwaighofer
11ff97801b Make check in CheckTailCallReturnConstraints for ignorable instructions between 
a CALL and a RET node more generic. Add a test for tail calls with a void
return.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67943 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 12:36:29 +00:00
Bill Wendling
bc14dd30a8 Update the Visual Studio docs. Patch by Stefanus! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67940 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 10:24:15 +00:00
Arnold Schwaighofer
e75fd69f15 Enable tail call optimization for functions that return a struct (bug 3664) and for functions that return types that need extending (e.g i1). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67934 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 08:33:27 +00:00
Chris Lattner
1717f3af08 declare everything as class to avoid angering the VC++ gods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 07:48:03 +00:00
Chris Lattner
6de6030718 add a traits class for SmallPtrSet that allows us to stick things that are 
"basically pointers" into it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67930 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 07:44:53 +00:00
Evan Cheng
0b0cd9113a Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g. 
x * 40
=>
shlq    $3, %rdi
leaq    (%rdi,%rdi,4), %rax

This has the added benefit of allowing more multiply to be folded into addressing mode. e.g.
a * 24 + b
=>
leaq    (%rdi,%rdi,2), %rax
leaq    (%rsi,%rax,8), %rax


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 05:57:29 +00:00
Chris Lattner
e8b64106ec move a large method out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-28 02:08:47 +00:00
Dan Gohman
a80efceb93 Fix what surely must be a copy+pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67881 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 23:55:04 +00:00
Dan Gohman
84d08db733 Initialize LiveOutInfo's APInt members to zero, as APInt's 
default constructor produces an uninitialized APInt.
This fixes PR3896.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67879 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 23:51:02 +00:00
Jim Grosbach
0ede14f5c0 remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67874 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 23:06:27 +00:00
Gabor Greif
d257f7d96b "ghostify" the ilist<Function> sentinel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67872 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 22:28:33 +00:00
Mike Stump
5c1f715d4b Allow invertable -xno- style optins as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67862 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 20:12:55 +00:00
Dan Gohman
9c01f2dd0b Revert r67844. This fixes the llvm-gcc-4.2 build on Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67856 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 18:37:13 +00:00
Julien Lerouge
a6b37c09d3 Fix build on MacOS 10.4 systems (suggested by Mike Smith). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67855 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 18:18:00 +00:00
Dan Gohman
1a36744b07 Fix this test so that it doesn't spuriously fail due to some 
unrelated debugging output happening to contain the string "store".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67849 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 16:17:22 +00:00
Rafael Espindola
705d800879 Avoid hardcoding that X86 addresses have 4 operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67848 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 15:57:50 +00:00
Rafael Espindola
e4d5d34cfc Use less hard coded constants to make the code less brittle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67846 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 15:45:05 +00:00
Duncan Sands
76d3838454 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67844 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 15:29:38 +00:00
Rafael Espindola
a82dfca8c6 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 15:26:30 +00:00
Duncan Sands
0b8365c98b 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67839 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 14:56:47 +00:00
Mikhail Glushenkov
4ad0d571fa Documentation update. 
Expand a bit on various '--*-graph' options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 12:58:29 +00:00
Mikhail Glushenkov
d50d32b940 -write-graph now can be used with -o. 
Makes it possible to set the output file name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67835 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 12:57:14 +00:00
Duncan Sands
74a057b41f Revert previous change in favour of an explanatory 
comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67833 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 11:35:00 +00:00
Duncan Sands
f89c269484 A Release-Asserts build makes it sound like assertions 
are turned on, while in fact they are turned off.  Name
this Release-NoAsserts instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67831 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 09:41:56 +00:00
John Mosby
ea4d351fc6 Shrink wrapping in PEI: initial release. Finishing development, enable with --shrink-wrap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67828 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 06:09:40 +00:00
Evan Cheng
cb2480d0a8 Add a __builtin___memset_chk test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67815 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 02:45:14 +00:00
Dale Johannesen
2d69724938 One more place to skip debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 01:13:37 +00:00
Devang Patel
fafd98b23e While hoisting an instruction, update alias info set tracker. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67798 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 23:48:52 +00:00
Mike Stump
e568f64131 Update to account for driver renaming. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 23:43:14 +00:00
Evan Cheng
9272253381 -no-implicit-float means explicit fp operations are legal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67784 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 23:06:32 +00:00
Evan Cheng
0802851816 Add -march=x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67783 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 23:03:32 +00:00
Mikhail Glushenkov
3cd3c725e0 Fix misc. small issues with debug visualization. 
Detailed bug report:
http://llvm.org/bugs/show_bug.cgi?id=3873

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 21:23:48 +00:00
Evan Cheng
9d7b5309c2 tADDhirr is a thumb instruction. Do not allow this code to be reached in non-thumb mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67765 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 19:09:01 +00:00
Owen Anderson
b98bbb7597 Don't assign a new stack slot if the pre-alloc splitter already assigned one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67764 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 18:53:38 +00:00
Jim Grosbach
da4231f134 fix a few spelling errors and typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67758 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 16:17:51 +00:00
Jim Grosbach
866cc6005a Use 'bool' for FoundRC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67750 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 14:45:34 +00:00
Bill Wendling
dccbfea503 Add -f to RUN line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67744 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 06:17:54 +00:00
Bill Wendling
a02a3dda56 Pull transform from target-dependent code into target-independent code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67742 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 06:14:09 +00:00
Chris Lattner
a95dbf23f8 no need for eh info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67740 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 05:51:18 +00:00
Chris Lattner
e7fa1f2a49 fix warning in -asserts mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 05:29:34 +00:00
Chris Lattner
e3a85838da fix some warnings in release-asserts mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67738 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 05:28:26 +00:00
Chris Lattner
d4015074e4 fix an apparently real bug exposed by a warning in -asserts mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67737 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 05:28:14 +00:00
Chris Lattner
022a27e363 fix warning in -asserts build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67736 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 05:25:59 +00:00
Bill Wendling
24c98cebc8 Add testcase for r67728. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 01:52:47 +00:00
Bill Wendling
8b4b874cc6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67728 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 01:47:50 +00:00
Bill Wendling
bddc442a00 Doxygen-ify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67727 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 01:46:56 +00:00
Dale Johannesen
6aae1d6582 Skip debug info one more place. (This one gets 
called from llc, not opt, but it's an IR level
optimization nevertheless.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67724 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 01:15:07 +00:00
Devang Patel
575ec806e0 Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67719 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-25 23:57:48 +00:00
Jim Grosbach
54f302272c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-25 23:28:33 +00:00