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Author SHA1 Message Date
Chandler Carruth
327b8f1706 FileCheck-ize and tighten up assertions to only check the relevant sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134350 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:43:04 +00:00
Chandler Carruth
44f52f2d39 FileCheck-ize and cleanup IR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134349 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:43:01 +00:00
Chandler Carruth
b3ce947ecf FileCheck-ize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134348 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:59 +00:00
Chandler Carruth
f2a3b35a7c Remove a grep that is already checked with FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134346 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:56 +00:00
Chandler Carruth
3bd210ea8f FileCheck-ize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134345 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:53 +00:00
Chandler Carruth
45177cb85c FileCheck-ize and modernize IR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134344 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:50 +00:00
Chandler Carruth
36da1d9633 FileCheck-ize and simplify RUNs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134343 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:48 +00:00
Chandler Carruth
431d63b560 FileCheck-ize and modernize the RUN line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134342 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:44 +00:00
Chandler Carruth
03119ab3d7 FileCheck-ize, tightening checks and avoiding a temporary file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:42 +00:00
Chandler Carruth
5a26013390 FileCheck-ize, tightening checks and avoiding a temporary file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:39 +00:00
Chandler Carruth
2fa43a7315 FileCheck-ize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:36 +00:00
Chandler Carruth
19318fe135 FileCheck-ize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134338 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:33 +00:00
Chandler Carruth
fa9d797d73 FileCheck-ize a test, avoiding a temporary file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134337 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:31 +00:00
Chandler Carruth
d26117d7f6 FileCheck-ize and simplify this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134336 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:28 +00:00
Chandler Carruth
8a0a4de71f FileCheck-ize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134335 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:25 +00:00
Chandler Carruth
8b89789188 FileCheck-ize another codegen test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134334 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:22 +00:00
Chandler Carruth
d95cb01823 Partially FileCheck-ize a test to remove a weird quoting situation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134333 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:20 +00:00
Chandler Carruth
218674ba61 FileCheck-ize another test, and upgrade its syntax a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134332 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:17 +00:00
Chandler Carruth
8f786a5834 FileCheck-ize another codegen test, tightening it up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134331 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:14 +00:00
Chandler Carruth
4d28d7365a FileCheck-ize another test, making it much more precise for testing the 
individual cases, while hard coding less about registers in use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134330 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:11 +00:00
Chandler Carruth
549f123715 FileCheck-ize another test. This one is more clear and runs fewer 
commands as a result.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134329 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:08 +00:00
Chandler Carruth
0d390f6366 FileCheck-ize a test, no functionality changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134328 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 20:42:06 +00:00
Jordy Rose
2f494b6afc Use subprocess.Popen instead of popen2 to stop a deprecation warning when running lit on OS X 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134324 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 17:28:55 +00:00
Duncan Sands
d6b98e8bd8 Remove unused array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134323 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 16:36:24 +00:00
Duncan Sands
ba519f8fc9 Revert previous commit. It seems that whether casting to void 
is valid or not depends on which system you build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134321 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 13:14:22 +00:00
Duncan Sands
d01cb35804 Supress gcc-4.5 warning about the result not being used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134319 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 13:06:23 +00:00
Duncan Sands
5470822eb1 Remove unused constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134318 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 13:05:02 +00:00
Rafael Espindola
017205d3c1 Use getVNInfoAt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134312 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 07:50:27 +00:00
Jakob Stoklund Olesen
0d3d95662f Consistent diagnostic capitalization and redundant context elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134311 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 07:23:40 +00:00
Jakob Stoklund Olesen
9d812a2805 Better diagnostics when inline asm fails to allocate. 
asm.c:2:7: error: ran out of registers during register allocation
  asm(""::"r"(0), "r"(1), "r"(2), "r"(3), "r"(4), "r"(5), "r"(6), "r"(7), "r"(8), "r"(9));
        ^

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134310 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 07:17:37 +00:00
Rafael Espindola
a9badd250c Check the VN of the src register at the two copies, not just the 
register number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134309 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 05:34:02 +00:00
Eric Christopher
839656120b Be less specific about register allocation ordering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134308 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 04:06:41 +00:00
Jakob Stoklund Olesen
d519de0827 Include a source location when complaining about bad inline assembly. 
Add a MI->emitError() method that the backend can use to report errors
related to inline assembly. Call it from X86FloatingPoint.cpp when the
constraints are wrong.

This enables proper clang diagnostics from the backend:

$ clang -c pr30848.c
pr30848.c:5:12: error: Inline asm output regs must be last on the x87 stack
  __asm__ ("" : "=u" (d));  /* { dg-error "output regs" } */
           ^
1 error generated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134307 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 03:53:34 +00:00
Andrew Trick
4b02915386 indvars -disable-iv-rewrite: bug fix involving weird geps and related cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134306 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 02:34:25 +00:00
Jakob Stoklund Olesen
1a988004db Use a new strategy for preventing eviction loops in RAGreedy. 
Every live range is assigned a cascade number the first time it is
involved in an eviction. As the evictor, it gets a new cascade number.
Every evictee is assigned the same cascade number as the evictor.

Eviction is prohibited if the evictor has a lower assigned cascade
number than the evictee.

This means that assigned cascade numbers are monotonically increasing
with every eviction, yet they are bounded by NextCascade which can only
be incremented by new live ranges. Thus, infinite loops cannot happen,
but eviction cascades can still be triggered by new live ranges as we
want.

Thanks to Andy for explaining this to me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134303 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 01:37:09 +00:00
Evan Cheng
2416b89621 Add getFeatureBits to extract feature bits for a given CPU. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134298 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 00:43:44 +00:00
Eric Christopher
4d59ff95d8 Remove the confusing getDarwinNumber() api and friends. 
Part of rdar://9714064


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134291 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-02 00:19:55 +00:00
Cameron Zwarich
c20fb63ebd Take a stab at fixing the llvm-x86_64-linux-checks failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134287 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 23:45:21 +00:00
Eric Christopher
e3997d40de TargetConstant immediates won't be placed into registers so tighten 
up the valid constant check earlier.

rdar://9692967


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134286 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 23:04:38 +00:00
Douglas Gregor
6ced1d12dd Add initial *-*-rtems* target, from Joel Sherrill 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134282 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 22:41:06 +00:00
Evan Cheng
385e930d55 Rename XXXGenSubtarget.inc to XXXGenSubtargetInfo.inc for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134281 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 22:36:09 +00:00
Evan Cheng
ce795dc92f Add MCSubtargetInfo target registry stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134279 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 22:25:04 +00:00
Dan Gohman
71997f303e Teach IVUsers to stop at non-affine expressions unless they are both 
outside the loop and reducible.

This more completely hides them from LSR, which isn't usually able to
do anything meaningful with non-affine expressions anyway, and this
consequently hides them from SCEVExpander, which is acutely unprepared
for non-affine expressions.

Replace test/CodeGen/X86/lsr-nonaffine.ll with a new test that tests
the new behavior.

This works around the bug in PR10117 / rdar://problem/9633149, and is
generally an improvement besides.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134268 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 22:05:19 +00:00
Owen Anderson
f1ac465b67 Generalize @llvm.ctlz, @llvm.cttz, and @llvm.ctpop to work on vectors of integers, and fix the one optimization pass that I'm aware of that needs updating for this. At least one current target, ARM NEON, can implement these operations on vectors directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134265 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 21:52:38 +00:00
Eli Friedman
adebeeaaee Calling-convention specifications for illegal types are no-ops. Simplify based on this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134264 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 21:33:28 +00:00
Jim Grosbach
a7603982db ARMv7M vs. ARMv7E-M support. 
The DSP instructions in the Thumb2 instruction set are an optional extension
in the Cortex-M* archtitecture. When present, the implementation is considered
an "ARMv7E-M implementation," and when not, an "ARMv7-M implementation."

Add a subtarget feature hook for the v7e-m instructions and hook it up. The
cortex-m3 cpu is an example of a v7m implementation, while the cortex-m4 is
a v7e-m implementation.

rdar://9572992



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134261 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 21:12:19 +00:00
Evan Cheng
5b1b4489cf Rename TargetSubtarget to TargetSubtargetInfo for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134259 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 21:01:15 +00:00
Evan Cheng
94214703d9 - Added MCSubtargetInfo to capture subtarget features and scheduling 
itineraries.
- Refactor TargetSubtarget to be based on MCSubtargetInfo.
- Change tablegen generated subtarget info to initialize MCSubtargetInfo
  and hide more details from targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134257 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 20:45:01 +00:00
Jim Grosbach
eb03c3b228 Fix off-by-one error. 
(low two bits always zero, so off by one bit of encoded value).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134247 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 19:07:09 +00:00
Evan Cheng
4db3cffe94 Hide the call to InitMCInstrInfo into tblgen generated ctor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134244 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 17:57:27 +00:00