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29662 Commits

Author SHA1 Message Date
Chris Lattner
65a7a6f7a3 fix x86-64 static codegen to materialize the address of a global with movl instead 
of lea.  It is better for code size (and presumably efficiency) to use:

  movl $foo, %eax

rather than:

  leal foo, eax

Both give a nice zero extending "move immediate" instruction, the former is just
smaller.  Note that global addresses should be handled different by the x86
backend, but I chose to follow the style already in place and add more fixme's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75403 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 23:17:29 +00:00
Chris Lattner
14f7511f46 fix a bug in my cleanup patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75402 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 23:07:30 +00:00
Chris Lattner
2514278b83 comment cleanup, reduce nesting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75398 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 22:50:33 +00:00
Chris Lattner
a3c8d38795 remove some dead patterns, WrapperRIP doesn't exist in -static mode 
anymore, so these aren't needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75397 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 22:47:21 +00:00
Chris Lattner
5e5050d930 silence a vc++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75393 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 22:31:59 +00:00
Nick Lewycky
d0cca24150 Revert r75252 which was causing some crashes at compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 20:38:25 +00:00
Chris Lattner
4f06649497 Fix PR4533, which is about buggy codegen in x86-64 -static mode. 
Basically, using:
  lea symbol(%rip), %rax

is not valid in -static mode, because the current RIP may not be
within 32-bits of "symbol" when an app is built partially pic and
partially static.  The fix for this is to compile it to:

  lea symbol, %rax

It would be better to codegen this as:

  movq $symbol, %rax

but that will come next.


The hard part of fixing this bug was fixing abi-isel, which was actively
testing for the wrong behavior.  Also, the RUN lines are completely impossible
to understand what they are testing.  To help with this, convert the -static 
x86-64 codegen tests to use filecheck.  This is much more stable and makes it
more clear what the codegen is expected to be.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 20:29:19 +00:00
Torok Edwin
c25e7581b9 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 20:10:48 +00:00
Mikhail Glushenkov
63bb60fc32 Delete the temp dir even when '--temp-dir' is specified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75374 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 19:27:07 +00:00
Nick Lewycky
646ca92bfc Fix handling of max and full set. 
A full set is a constant range that represents any number. If you take the
umax of that and [5, 10) you end up with [5, INT_MAX] because the values less
than 5 would be umax's against a value which is at least 5.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75372 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 19:22:21 +00:00
Nick Lewycky
f067a23356 Clarify and simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75366 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 17:04:01 +00:00
Torok Edwin
7d696d8040 Convert more assert(0)+abort() -> LLVM_UNREACHABLE, 
and abort()/exit() -> llvm_report_error().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 13:10:19 +00:00
Evan Cheng
ed338e80f9 Don't put IT instruction before conditional branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75361 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 07:26:20 +00:00
Evan Cheng
2f297df02e Smarter isel of ldrsb / ldrsh. Only make use of these when [r,r] address is feasible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75360 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 07:08:13 +00:00
Evan Cheng
446c428bf3 Major changes to Thumb (not Thumb2). Many 16-bit instructions either modifies CPSR when they are outside the IT blocks, or they can predicated when in Thumb2. Move the implicit def of CPSR to an optional def which defaults CPSR. This allows the 's' bit to be toggled dynamically. 
A side-effect of this change is asm printer is now using unified assembly. There are some minor clean ups and fixes as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75359 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 06:43:01 +00:00
Evan Cheng
dd6f63209c 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75358 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 06:37:27 +00:00
Nick Lewycky
bf8c7f0adf Move a method that creates constant ranges relative to another constant range 
per icmp predicate out of predsimplify and into ConstantRange.

Add another utility method that determines whether one range is a subset of
another. Combine with the former to determine whether icmp pred range, range
is known to be true or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75357 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 06:15:39 +00:00
Evan Cheng
8955e93b1f Fix up support for OptionalDefOperand when it defaults to an actual register def. I need this to get ready for major Thumb1 surgery. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 01:06:50 +00:00
Eli Friedman
aad3460086 Use CreateStackStoreLoad helper in more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75320 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 00:11:07 +00:00
Evan Cheng
ebfc177b59 Two-address pass should use findCommutedOpIndices to determine what registers are commuted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75317 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 00:04:23 +00:00
Evan Cheng
34c75093f0 Use findCommutedOpIndices to find the operands to commute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75312 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 23:26:12 +00:00
Bob Wilson
1e44ed88eb Add superclasses of ARM Neon quad registers. The Q2PR class contains pairs of 
quad registers and the Q4PR class holds sets of 4 quad registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75309 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 23:09:06 +00:00
Bob Wilson
28eff96ee6 Add new vector types for 192-bit, 348-bit and 512-bit sizes. 
These are needed to represent ARM Neon struct datatypes containing 2, 3 or 4
separate vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75308 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 23:05:09 +00:00
Chris Lattner
226b60827e remove the "debug" modifier, it is only used by one instruction which can 
never be generated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75305 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 22:34:11 +00:00
Chris Lattner
9be3fee2bd add support for .zerofill, patch by Kevin Enderby! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75301 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 22:20:30 +00:00
Jeffrey Yasskin
dd9f8bbc20 Oops. s/#if defined(USE_OPROFILE)/#if USE_OPROFILE/. We #define 
USE_OPROFILE to 0 on some paths through configure, which does the
wrong thing with #if defined().



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75300 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 22:13:21 +00:00
Chris Lattner
7a4e464da2 make pcrel and non-pcrel global printing more similar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75298 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:57:21 +00:00
Evan Cheng
19a2011194 Undo my brain cramp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:31:42 +00:00
David Greene
62fe47a337 Make changes suggested by Chris and eliminate newly-added raw_ostream 
hooks as they're no longer needed.

The major change with this patch is to make formatted_raw_ostream usable
by any client of raw_ostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75283 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:14:44 +00:00
Jeffrey Yasskin
8f6d9a729e Add a --with-oprofile flag to configure, which uses OProfile's agent 
library to tell it the addresses of JITted functions.  For a
particular program, this changes the opreport -l output from:

samples %    image name        symbol name
48182  98.9729 anon (tgid:19412 range:0x7f12ccaab000-0x7f12cdaab000) anon (tgid:19412 range:0x7f12ccaab000-0x7f12cdaab000)
11     0.0226  libstdc++.so.6.0.9    /usr/lib/libstdc++.so.6.0.9

to:

samples %    image name        symbol name
24565  60.7308 19814.jo        fib_left
15365  37.9861 19814.jo        fib_right
22     0.0544  ld-2.7.so       do_lookup_x



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:08:20 +00:00
Chris Lattner
f1d6bd5cbe code model is never set to default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75278 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 21:03:06 +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
Dan Gohman
1afdc5f356 Remove ScalarEvolution::hasSCEV, which isn't being used, and which 
breaks encapsulation. Also remove a dead prototype for setSCEV.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75272 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 20:25:29 +00:00
Duncan Sands
3ae2da6abd Avoid compiler warnings when assertions are turned off. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75269 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 20:10:14 +00:00
Duncan Sands
413a15ef0e Avoid compiler warnings if assertions turned off. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75267 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 20:07:07 +00:00
Evan Cheng
49ddb61612 CMOVxx doesn't swap operands which it's commuted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75266 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 19:26:57 +00:00
Evan Cheng
261ce1d5f8 Remove TargetInstrInfo::CommuteChangesDestination and added findCommutedOpIndices which returns the operand indices which are swapped (when applicable). This allows for some code clean up and future enhancements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 19:15:51 +00:00
David Greene
caf642a976 Eliminate an unnecessary include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75256 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 17:55:38 +00:00
Owen Anderson
c7d2ce7047 Push LLVMContext through the PatternMatch API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75255 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 17:35:01 +00:00
David Goodwin
3ca524e336 Predicate VFP instructions on HasVFP2 instead of IsARM. This allows VFP instructions with thumb-2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75254 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 17:03:29 +00:00
Dan Gohman
1b342583f6 Generalize ScalarEvolution's cast-folding code to support more kinds 
of loops. Add several new functions to for working with ScalarEvolution's
add-hoc value-range analysis functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 16:42:52 +00:00
Owen Anderson
16a412edb6 Update for GlobalVariables ctor change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75251 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 16:42:19 +00:00
David Goodwin
b1beca635f t2LDM_RET does not fall-through. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75250 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 15:33:46 +00:00
Duncan Sands
179bef3636 Add Thumb2ITBlockPass.cpp to CMakeLists.txt, fixing 
the cmake build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75246 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 08:31:50 +00:00
Chris Lattner
662b805a0a make this more like printOperand. Perhaps some merging will happen 
tomorrow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75245 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 07:50:52 +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