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135 Commits

Author SHA1 Message Date
Daniel Dunbar
cfb8a1bea1 Fix some minor MSVC compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76356 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-19 01:38:38 +00:00
Evan Cheng
a82b22c667 GV with ghost linkage (module being lazily streamed in in JIT lazy compilation mode) do not require extra load from stub. This fixes ExecutionEngine/2005-12-02-TailCallBug.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76121 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 22:53:10 +00:00
Chris Lattner
c7822326df fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75277 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:01:59 +00:00
Chris Lattner
e2c920845a remove the now-dead TM argument to these methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75276 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:00:45 +00:00
Chris Lattner
8097b65c43 make PIC vs DynamicNoPIC be explicit in PICStyles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 20:58:47 +00:00
Chris Lattner
84853a17a3 some minor simplifications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75274 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 20:53:38 +00:00
Chris Lattner
3b67e9ba01 add a couple of predicates to test for "stub style pic in PIC mode" and "stub style pic in dynamic-no-pic" mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75273 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 20:47:30 +00:00
Chris Lattner
0d786dd954 simplify fast isel by using ClassifyGlobalReference. This 
elimiantes the last use of GVRequiresExtraLoad, so delete it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75244 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 07:48:51 +00:00
Chris Lattner
dfed413ef6 eliminate GVRequiresRegister, replacing it with predicates we 
need for other purposes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75243 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 07:38:24 +00:00
Chris Lattner
d392bd97c8 move some classification logic around. Now GVRequiresExtraLoad 
is just a trivial wrapper around "ClassifyGlobalReference", which
stole a ton of logic from LowerGlobalAddress.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75237 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 07:20:05 +00:00
Chris Lattner
ed0dca6a5d GVRequiresExtraLoad is now never used for calls, simplify it based on this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 05:52:02 +00:00
Chris Lattner
754b7650c2 actually, just eliminate PCRelGVRequiresExtraLoad. It makes the code 
more complex and slow than just directly testing what we care about.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75231 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 05:48:03 +00:00
Chris Lattner
e6c07b52e7 There is only one case where GVRequiresExtraLoad returns true for calls: 
split its handling out to PCRelGVRequiresExtraLoad, and simplify code
based on this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 05:45:15 +00:00
Chris Lattner
04b304caf6 the "isDirectCall" operand of GVRequiresRegister is always false, eliminate it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75229 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 05:37:11 +00:00
Chris Lattner
15a380a035 simplify some code based on the fact that picstyles != none are only valid 
in pic or dynamic-no-pic mode. Also, x86-64 never used picstylegot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75101 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 04:39:06 +00:00
Chris Lattner
73b5b71369 Reduce indentation in GVRequiresExtraLoad. Return true for windows 
with DLLImport symbols even when in -static mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75093 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 03:27:27 +00:00
David Greene
343dadbb36 Add feature flags for AVX and FMA and fix some SSE4A feature flag 
initialization problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74350 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-26 22:46:54 +00:00
Anton Korobeynikov
0eebf653a7 The attached patches implement most of the ARM AAPCS-VFP hard float 
ABI. The missing piece is support for putting "homogeneous aggregates"
into registers.

Patch by Sandeep Patel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73095 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:53:56 +00:00
Stefanus Du Toit
8cf5ab153d Update CPU capabilities for AMD machines 
- added processors k8-sse3, opteron-sse3, athlon64-sse3, amdfam10, and
barcelona with appropriate sse3/4a levels
- added FeatureSSE4A for amdfam10 processors
in X86Subtarget:
- added hasSSE4A
- updated AutoDetectSubtargetFeatures to detect SSE4A
- updated GetCurrentX86CPU to detect family 15 with sse3 as k8-sse3 and
family 10h as amdfam10

New processor names match those used by gcc.

Patch by Paul Redmond!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-26 21:04:35 +00:00
Evan Cheng
d7f666a869 Try again. Allow call to immediate address for ELF or when in static relocation mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72160 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 04:53:57 +00:00
Chris Lattner
bc58322d6a add support for detecting process features on win64, patch by 
Nicolas Capens!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 18:27:23 +00:00
Duncan Sands
667d4b8de6 Introduce new linkage types linkonce_odr, weak_odr, common_odr 
and extern_weak_odr.  These are the same as the non-odr versions,
except that they indicate that the global will only be overridden
by an *equivalent* global.  In C, a function with weak linkage can
be overridden by a function which behaves completely differently.
This means that IP passes have to skip weak functions, since any
deductions made from the function definition might be wrong, since
the definition could be replaced by something completely different
at link time.   This is not allowed in C++, thanks to the ODR
(One-Definition-Rule): if a function is replaced by another at
link-time, then the new function must be the same as the original
function.  If a language knows that a function or other global can
only be overridden by an equivalent global, it can give it the
weak_odr linkage type, and the optimizers will understand that it
is alright to make deductions based on the function body.  The
code generators on the other hand map weak and weak_odr linkage
to the same thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66339 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-07 15:45:40 +00:00
Mon P Wang
9feb5dd568 Added another darwin subtarget 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65662 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-28 00:25:30 +00:00
Dan Gohman
605679f0cd Tevert part of the x86 subtarget logic changes: when -march=x86-64 
is given, override the subtarget settings and enable 64-bit support.
This restores the earlier behavior, and fixes regressions on
Non-64-bit-capable x86-32 hosts.

This isn't necessarily the best approach, but the most obvious
alternative is to require -mcpu=x86-64 or -mattr=+64bit to be used
with -march=x86-64 when the host doesn't have 64-bit support. This
makes things little more consistent, but it's less convenient, and
it has the practical drawback of requiring lots of test changes, so
I opted for the above approach for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63642 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 18:53:21 +00:00
Dan Gohman
f75e5b4d8c Change Feature64Bit to not imply FeatureSSE2. All x86-64 hardware has 
SSE2, however it's possible to disable SSE2, and the subtarget support
code thinks that if 64-bit implies SSE2 and SSE2 is disabled then
64-bit should also be disabled. Instead, just mark all the 64-bit
subtargets as explicitly supporting SSE2.

Also, move the code that makes -march=x86-64 enable 64-bit support by
default to only apply when there is no explicit subtarget. If you
need to specify a subtarget and you want 64-bit code, you'll need to
select a subtarget that supports 64-bit code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 00:04:43 +00:00
Torok Edwin
b68a88bd48 Only force SSE level if it is not correct. 
Add an assert to check HasX86_64 status.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63552 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-02 21:57:34 +00:00
Torok Edwin
38870ed13c remove #if 0 code on Bill's request. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-02 20:23:02 +00:00
Torok Edwin
3f142c36ad Implement -mno-sse: if SSE is disabled on x86-64, don't store XMM on stack for 
var-args, and don't allow FP return values


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-01 18:15:56 +00:00
Torok Edwin
afb564c697 should have removed the + when manually applying a patch! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 20:29:34 +00:00
Torok Edwin
c8ad2d2abf revert this patch for now, because Codegen does still want to generate SSE code, 
for example in the case of va-args. XFAIL associated tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 20:21:24 +00:00
Torok Edwin
7f1d5252c7 If user explicitly asks not to use SSE, don't force it. This fixes LLVM part of PR3402. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62967 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 17:58:56 +00:00
Rafael Espindola
bb46f52027 Add the private linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 20:18:42 +00:00
Evan Cheng
7877112775 Atom and Core i7 do not have same model number after all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61686 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 08:45:01 +00:00
Evan Cheng
0be6d3fb2a Add Intel processors core i7 and atom. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61603 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-03 04:24:44 +00:00
Evan Cheng
5b925c031d Fix PR3210: Detect more Intel processors. Patch by Torok Edwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61602 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-03 04:04:46 +00:00
Evan Cheng
ccb6976a69 Do not isel load folding bt instructions for pentium m, core, core2, and AMD processors. These are significantly slower than a load followed by a bt of a register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-02 05:35:45 +00:00
Evan Cheng
018b7ee91a Fix x86 CPU id detection to identify Penryn (and future processors). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61556 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-02 05:29:20 +00:00
Dan Gohman
8749b61178 Add initial support for back-scheduling address computations, 
especially in the case of addresses computed from loop induction
variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61075 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-16 03:35:01 +00:00
Evan Cheng
e4d1082b2c Re-apply 60689 now my head is screwed on right. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 19:29:03 +00:00
Dan Gohman
2d4e9bc922 Revert 60689. It caused many regressions on Darwin targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:38:02 +00:00
Evan Cheng
dda346aa71 Perform cheap checks first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:52:43 +00:00
Dale Johannesen
203af58aea Make LoopStrengthReduce smarter about hoisting things out of 
loops when they can be subsumed into addressing modes.

Change X86 addressing mode check to realize that
some PIC references need an extra register.
(I believe this is correct for Linux, if not, I'm sure
someone will tell me.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60608 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 21:47:27 +00:00
Evan Cheng
ae94e59416 Re-did 60519. It turns out Darwin's handling of hidden visibility symbols are a bit more complicate than I expected. Both declarations and weak definitions still need a stub indirection. However, the stubs are in data section and they contain the addresses of the actual symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60571 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 01:06:39 +00:00
Bill Wendling
a8103dad4e Temporarily revert r60519. It was causing a bootstrap failure: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -DHAVE_CONFIG_H -I. -I../../../llvm-gcc.src/libgomp -I. -I../../../llvm-gcc.src/libgomp/config/posix -I../../../llvm-gcc.src/libgomp -Wall -pthread -Werror -O2 -g -O2 -MT barrier.lo -MD -MP -MF .deps/barrier.Tpo -c ../../../llvm-gcc.src/libgomp/barrier.c  -fno-common -DPIC -o .libs/barrier.o
checking for sys/file.h... /var/folders/zG/zGE-ZJOGFiGjv0B5cs5oYE+++TM/-Tmp-//cc34Jg5P.s:13:non-relocatable subtraction expression, "_gomp_tls_key" minus "L1$pb"
/var/folders/zG/zGE-ZJOGFiGjv0B5cs5oYE+++TM/-Tmp-//cc34Jg5P.s:13:symbol: "_gomp_tls_key" can't be undefined in a subtraction expression
make[4]: *** [barrier.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -DHAVE_CONFIG_H -I. -I../../../llvm-gcc.src/libgomp -I. -I../../../llvm-gcc.src/libgomp/config/posix -I../../../llvm-gcc.src/libgomp -Wall -pthread -Werror -O2 -g -O2 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo -c ../../../llvm-gcc.src/libgomp/alloc.c -o alloc.o >/dev/null 2>&1
yes
checking for sys/param.h... make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-target-libgomp] Error 2
make[1]: *** Waiting for unfinished jobs....



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 04:07:00 +00:00
Evan Cheng
eb83dfde66 Visibility hidden GVs do not require extra load of symbol address from the GOT or non-lazy-ptr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 01:56:50 +00:00
Duncan Sands
f9a67a8943 Fix build with gcc-4.4: it doesn't like PICStyle 
being both a namespace and a variable name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60208 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-28 09:29:37 +00:00
Dan Gohman
b8cab9227a Fix command-line option printing to print two spaces where needed, 
instead of requiring all "short description" strings to begin with
two spaces. This makes these strings less mysterious, and it fixes
some cases where short description strings mistakenly did not
begin with two spaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 20:25:08 +00:00
Bill Wendling
6e08738d4b Just don't transform this memset into "bzero" if no-builtin is specified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56888 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 22:05:33 +00:00
Bill Wendling
6f287b22d2 Add the new `-no-builtin' flag. This flag is meant to mimic the GCC 
`-fno-builtin' flag. Currently, it's used to replace "memset" with "_bzero"
instead of "__bzero" on Darwin10+. This arguably violates the meaning of this
flag, but is currently sufficient. The meaning of this flag should become more
specific over time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56885 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 21:22:07 +00:00
Evan Cheng
817a6a9eaa x86-64 PIC JIT fixes: do not generate the extra load for external GV's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53661 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-16 01:34:02 +00:00