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13432 Commits

Author SHA1 Message Date
Eli Friedman
9765ae0015 Add assembler/disassembler support for non-AVX pclmulqdq. While I'm here, use proper aliases for the pclmullqlqdq and friends. PR10269. 
llvm-svn: 134424
 2011-07-05 18:21:20 +00:00
Jakob Stoklund Olesen
f95a1068bd Fix PR10277. 
Remat during spilling triggers dead code elimination. If a phi-def
becomes unused, that may also cause live ranges to split into separate
connected components.

This type of splitting is different from normal live range splitting. In
particular, there may not be a common original interval.

When the split range is its own original, make sure that the new
siblings are also their own originals. The range being split cannot be
used as an original since it doesn't cover the new siblings.

llvm-svn: 134413
 2011-07-05 15:38:41 +00:00
Benjamin Kramer
2d266249a6 PR10267: Don't combine an equality compare with an AND into an inequality compare when the AND has more than one use. 
This can pessimize code, inequalities are generally more expensive.

llvm-svn: 134379
 2011-07-04 20:16:36 +00:00
NAKAMURA Takumi
c0837d703b test/CodeGen/X86/lsr-nonaffine.ll: Relax expressions for Win64 CC to appease Win32 hosts. 
llvm-svn: 134366
 2011-07-03 09:26:14 +00:00
Chandler Carruth
e07bb36a9e FileCheck-ize another test. Reduces the llc invocations from 8 to 1, and 
makes one of the tests actually mean something (as the string 'add' will
always appear in the output of this file).

llvm-svn: 134358
 2011-07-02 21:34:52 +00:00
Chandler Carruth
941beb26e9 Avoid writing to an arbitrary filename during the test run by writing to 
a file descriptor.

llvm-svn: 134355
 2011-07-02 20:43:18 +00:00
Chandler Carruth
78b12b3ed4 FileCheck-ize another X86 test, making it more precisely verify the 
desired result based on the comments in the file.

llvm-svn: 134354
 2011-07-02 20:43:16 +00:00
Chandler Carruth
1de252c70a Quote two greps which contain parentheses. 
llvm-svn: 134353
 2011-07-02 20:43:13 +00:00
Chandler Carruth
1926e141f1 FileCheck-ize and simplify RUN lines. 
llvm-svn: 134352
 2011-07-02 20:43:11 +00:00
Chandler Carruth
5de1d825e4 FileCheck-ize 
llvm-svn: 134351
 2011-07-02 20:43:08 +00:00
Chandler Carruth
01e8f9314e FileCheck-ize and tighten up assertions to only check the relevant sections. 
llvm-svn: 134350
 2011-07-02 20:43:04 +00:00
Chandler Carruth
500b05b1bb FileCheck-ize and cleanup IR. 
llvm-svn: 134349
 2011-07-02 20:43:01 +00:00
Chandler Carruth
c674fb38ef FileCheck-ize 
llvm-svn: 134348
 2011-07-02 20:42:59 +00:00
Chandler Carruth
341ed5f0a0 Remove a grep that is already checked with FileCheck. 
llvm-svn: 134346
 2011-07-02 20:42:56 +00:00
Chandler Carruth
88e183829b FileCheck-ize 
llvm-svn: 134345
 2011-07-02 20:42:53 +00:00
Chandler Carruth
7a0f51e003 FileCheck-ize and modernize IR. 
llvm-svn: 134344
 2011-07-02 20:42:50 +00:00
Chandler Carruth
4af34fe339 FileCheck-ize and simplify RUNs. 
llvm-svn: 134343
 2011-07-02 20:42:48 +00:00
Chandler Carruth
9e114fc3ee FileCheck-ize and modernize the RUN line. 
llvm-svn: 134342
 2011-07-02 20:42:44 +00:00
Chandler Carruth
df1690a113 FileCheck-ize, tightening checks and avoiding a temporary file. 
llvm-svn: 134341
 2011-07-02 20:42:42 +00:00
Chandler Carruth
a5b1de166b FileCheck-ize, tightening checks and avoiding a temporary file. 
llvm-svn: 134340
 2011-07-02 20:42:39 +00:00
Chandler Carruth
c041ee0766 FileCheck-ize 
llvm-svn: 134339
 2011-07-02 20:42:36 +00:00
Chandler Carruth
4f82b948fd FileCheck-ize 
llvm-svn: 134338
 2011-07-02 20:42:33 +00:00
Chandler Carruth
e344d9c676 FileCheck-ize a test, avoiding a temporary file. 
llvm-svn: 134337
 2011-07-02 20:42:31 +00:00
Chandler Carruth
d939fba46d FileCheck-ize and simplify this test. 
llvm-svn: 134336
 2011-07-02 20:42:28 +00:00
Chandler Carruth
b870175dd5 FileCheck-ize 
llvm-svn: 134335
 2011-07-02 20:42:25 +00:00
Chandler Carruth
d98a57cc5a FileCheck-ize another codegen test. 
llvm-svn: 134334
 2011-07-02 20:42:22 +00:00
Chandler Carruth
4c7e28777b Partially FileCheck-ize a test to remove a weird quoting situation. 
llvm-svn: 134333
 2011-07-02 20:42:20 +00:00
Chandler Carruth
0d1da937eb FileCheck-ize another test, and upgrade its syntax a bit. 
llvm-svn: 134332
 2011-07-02 20:42:17 +00:00
Chandler Carruth
4fd8502d12 FileCheck-ize another codegen test, tightening it up. 
llvm-svn: 134331
 2011-07-02 20:42:14 +00:00
Chandler Carruth
b74aff3ce8 FileCheck-ize another test, making it much more precise for testing the 
individual cases, while hard coding less about registers in use.

llvm-svn: 134330
 2011-07-02 20:42:11 +00:00
Chandler Carruth
70fa55f478 FileCheck-ize another test. This one is more clear and runs fewer 
commands as a result.

llvm-svn: 134329
 2011-07-02 20:42:08 +00:00
Chandler Carruth
72358a4bf8 FileCheck-ize a test, no functionality changed. 
llvm-svn: 134328
 2011-07-02 20:42:06 +00:00
Jakob Stoklund Olesen
b94d989634 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));
        ^

llvm-svn: 134310
 2011-07-02 07:17:37 +00:00
Eric Christopher
9689f96b1e Be less specific about register allocation ordering. 
llvm-svn: 134308
 2011-07-02 04:06:41 +00:00
Andrew Trick
ac38d56661 indvars -disable-iv-rewrite: bug fix involving weird geps and related cleanup. 
llvm-svn: 134306
 2011-07-02 02:34:25 +00:00
Eric Christopher
7260817287 TargetConstant immediates won't be placed into registers so tighten 
up the valid constant check earlier.

rdar://9692967

llvm-svn: 134286
 2011-07-01 23:04:38 +00:00
Dan Gohman
c093f48834 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.

llvm-svn: 134268
 2011-07-01 22:05:19 +00:00
Jim Grosbach
461adc233e 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

llvm-svn: 134261
 2011-07-01 21:12:19 +00:00
Dan Gohman
ba1afd789e Improve constant folding of undef for cmp and select operators. 
llvm-svn: 134223
 2011-07-01 01:03:43 +00:00
Eric Christopher
d369a9fe83 Add support for the 'j' immediate constraint. This is conditionalized on 
supporting the instruction that the constraint is for 'movw'.

Part of rdar://9119939

llvm-svn: 134222
 2011-07-01 01:00:07 +00:00
Dan Gohman
b4be67ddb0 Improve constant folding of undef for binary operators. 
llvm-svn: 134221
 2011-07-01 00:42:17 +00:00
Eric Christopher
4bc6b7e1a6 Add support for the ARM 't' register constraint. And another testcase 
for the 'x' register constraint.

Part of rdar://9119939

llvm-svn: 134220
 2011-07-01 00:30:46 +00:00
Eric Christopher
d40f06b48f Add support for the 'x' constraint. 
Part of rdar://9307836 and rdar://9119939

llvm-svn: 134215
 2011-07-01 00:14:47 +00:00
Jakob Stoklund Olesen
8b22811785 Fix a problem with fast-isel return values introduced in r134018. 
We would put the return value from long double functions in the wrong
register.

This fixes gcc.c-torture/execute/conversion.c

llvm-svn: 134205
 2011-06-30 23:42:18 +00:00
Eric Christopher
2582061ec1 Add support for the 'h' constraint. 
Part of rdar://9119939

llvm-svn: 134203
 2011-06-30 23:23:01 +00:00
Jim Grosbach
32d3b2625b Thumb1 register to register MOV instruction is predicable. 
Fix a FIXME and allow predication (in Thumb2) for the T1 register to
register MOV instructions. This allows some better codegen with
if-conversion (as seen in the test updates), plus it lays the groundwork
for pseudo-izing the tMOVCC instructions.

llvm-svn: 134197
 2011-06-30 22:10:46 +00:00
Rafael Espindola
03cd7c7b76 Add r134057 back, but splice the predecessor after the successors phi 
nodes.

Original message:
Let simplify cfg simplify bb with only debug and lifetime intrinsics.

llvm-svn: 134182
 2011-06-30 20:14:24 +00:00
Andrew Trick
bcaaa0ae73 indvars -disable-iv-rewrite: handle cloning binary operators that cannot overflow. 
llvm-svn: 134177
 2011-06-30 19:02:17 +00:00
Jim Grosbach
8c1fb3c4e1 Pseudo-ize the t2LDMIA_RET instruction. 
It's just a t2LDMIA_UPD instruction with extra codegen properties, so it
doesn't need the encoding information. As a side-benefit, we now correctly
recognize for instruction printing as a 'pop' instruction.

llvm-svn: 134173
 2011-06-30 18:25:42 +00:00
Joerg Sonnenberger
708b6e085d Recognize the xstorerng alias for VIA PadLock's xstore instruction. 
llvm-svn: 134126
 2011-06-30 01:38:03 +00:00