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69e9573064
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1337 Commits

Author SHA1 Message Date
Dan Gohman
69e9573064 Recognize more opportunities to use SSE min and max instructions, 
swapping the operands if necessary.

llvm-svn: 80940
 2009-09-03 20:34:31 +00:00
Mon P Wang
24516ac0ca Test cases for vector shifts changes r80935 
Changed the old vector shift test to use FileCheck

llvm-svn: 80936
 2009-09-03 19:57:35 +00:00
Evan Cheng
41e87f2f13 Reference to hidden symbols do not have to go through non-lazy pointer in non-pic mode. rdar://7187172. 
llvm-svn: 80904
 2009-09-03 07:04:02 +00:00
Chris Lattner
e460c8f660 merge all the basic linux/32 pic tests together into one test. 
llvm-svn: 80902
 2009-09-03 06:29:23 +00:00
Chris Lattner
51fec7f6f6 rename test 
llvm-svn: 80901
 2009-09-03 06:16:49 +00:00
Chris Lattner
f32c2d890c eliminate some uses of prcontext. Any help here would be appreciated :) 
llvm-svn: 80520
 2009-08-30 21:45:23 +00:00
Dan Gohman
f7b76078bb CMOV_GR8 clobbers EFLAGS when its expansion involves an xor to set 
a register to 0. This fixes PR4814.

llvm-svn: 80445
 2009-08-29 22:19:15 +00:00
Dan Gohman
60fae1b2a2 X86FastISel support for loading and storing values of type i1. 
llvm-svn: 80186
 2009-08-27 00:31:47 +00:00
Dan Gohman
613d152216 Expand i8 selects into control flow instead of 16-bit conditional 
moves. This avoids the need to promote the operands (or implicitly
extend them, a partial register update condition), and can reduce
i8 register pressure. This substantially speeds up code such as
write_hex in lib/Support/raw_ostream.cpp.

subclass-coalesce.ll is too trivial and no longer tests what it was
originally intended to test.

llvm-svn: 80184
 2009-08-27 00:14:12 +00:00
Dan Gohman
6bd4a58365 Don't use INSERT_SUBREG to model anyext operations on x86-64, as it 
leads to partial-register definitions. To help avoid redundant
zero-extensions, also teach the h-register matching patterns that
use movzbl to match anyext as well as zext.

llvm-svn: 80099
 2009-08-26 14:59:13 +00:00
Chris Lattner
70bb855eb0 convert to filecheck 
llvm-svn: 80025
 2009-08-25 20:49:04 +00:00
Daniel Dunbar
e3e4e68583 Switch abi-isel.ll to FileCheck; it's not much faster, but it now tests a lot 
more and is much nicer to the OS.
 - Dan, please check. If there are parts of the test you think I should strip
   out so it doesn't cause random failures let me know (there are still some PIC
   label numbers in it, for example).

llvm-svn: 80019
 2009-08-25 18:45:03 +00:00
Dan Gohman
bf08e82d8e Remove obsolete -f flags. 
llvm-svn: 79992
 2009-08-25 15:38:29 +00:00
Dale Johannesen
b8888477db Fix PR 4751, another difficulty with %a modifier on x86. 
llvm-svn: 79961
 2009-08-25 00:16:14 +00:00
Dale Johannesen
add8a314dd Split test into 3. 
llvm-svn: 79926
 2009-08-24 17:51:19 +00:00
Jakob Stoklund Olesen
291647e0d9 Fix PR4753. 
When undoing a reuse in ReuseInfo::GetRegForReload, check if it was only a
sub-register being used. The MachineOperand::getSubReg() method is only valid
for virtual registers, so we have to recover the sub-register index manually.

llvm-svn: 79855
 2009-08-23 13:01:45 +00:00
Eli Friedman
79615641f1 Make x86 test actually test x86 code generation. Fix the 
construct on ARM, which was breaking by coincidence, and add a similar 
testcase for ARM.

llvm-svn: 79719
 2009-08-22 03:13:10 +00:00
Chris Lattner
cf54f19140 rename test, make more specific. 
llvm-svn: 79712
 2009-08-22 00:44:24 +00:00
Dale Johannesen
f6b2759c5e Use FileCheck even though this means testing for something 
that has nothing to do with the point of the test, per Chris.

llvm-svn: 79569
 2009-08-20 22:12:08 +00:00
Dan Gohman
f2f57ebc84 Fix an x86 code size regression: prefer RIP-relative addressing 
over absolute addressing even in non-PIC mode (unless the address
has an index or something else incompatible), because it has a
smaller encoding.

llvm-svn: 79553
 2009-08-20 18:23:44 +00:00
Dale Johannesen
facc542d5e Use FileCheck for the test run where it's appropriate. 
llvm-svn: 79534
 2009-08-20 16:58:04 +00:00
Dale Johannesen
fc8ee02c25 Handle 'a' modifier in X86 asms. PR 4742. 
llvm-svn: 79484
 2009-08-19 22:44:41 +00:00
Bill Wendling
a62629a929 Make this test platform neutral. 
llvm-svn: 79447
 2009-08-19 18:51:45 +00:00
Dan Gohman
eb6fbd7fd1 Add an x86 peep that narrows TEST instructions to forms that use 
a smaller encoding. These kinds of patterns are very frequent in
sqlite3, for example.

llvm-svn: 79439
 2009-08-19 18:16:17 +00:00
Eli Friedman
914b41055a PR4737: Fix a nasty bug in load narrowing with non-power-of-two types. 
llvm-svn: 79415
 2009-08-19 08:46:10 +00:00
Dan Gohman
56c2c54a37 Legalize the shift amount operand of SRL_PARTS, SHL_PARTS, and 
SRA_PARTS, as is done for SRL, SHL, and SRA.

llvm-svn: 79380
 2009-08-18 23:36:17 +00:00
Dan Gohman
b2e9d23bd9 Make this test less sensitive to assembler differences. 
llvm-svn: 79348
 2009-08-18 17:19:46 +00:00
Chris Lattner
f0cde76e79 force a triple so this passes on darwin 
llvm-svn: 79345
 2009-08-18 16:55:45 +00:00
Dan Gohman
5022dd9cc9 Make tail merging handle blocks with repeated predecessors correctly, and 
remove RemoveDuplicateSuccessor, as it is no longer necessary, and because
it breaks assumptions made in
MachineBasicBlock::isOnlyReachableByFallthrough.

Convert test/CodeGen/X86/omit-label.ll to FileCheck and add a testcase
for PR4732.

test/CodeGen/Thumb2/thumb2-ifcvt2.ll sees a diff with this commit due to
it being bugpoint-reduced to the point where it doesn't matter what the
condition for the branch is.

Add some more interesting code to
test/CodeGen/X86/2009-08-06-branchfolder-crash.ll, which is the testcase
that originally motivated the RemoveDuplicateSuccessor code, to help
verify that the original problem isn't being re-broken.

llvm-svn: 79338
 2009-08-18 15:18:18 +00:00
Eli Friedman
d61a2e81bc Fix test on Linux. 
llvm-svn: 79140
 2009-08-15 21:28:17 +00:00
Chris Lattner
d910c3a30e implement support for CHECK-NEXT: in filecheck. 
llvm-svn: 79123
 2009-08-15 18:32:21 +00:00
Chris Lattner
56dc61a487 specify a target triple so global variable manglings are consistent etc. 
llvm-svn: 79118
 2009-08-15 17:35:05 +00:00
Chris Lattner
adc768c073 convert to filecheck. 
llvm-svn: 79117
 2009-08-15 17:28:09 +00:00
Chris Lattner
27345be0c7 rename this test to sse2.ll 
llvm-svn: 79116
 2009-08-15 17:24:09 +00:00
Chris Lattner
43cfb4db61 merge a bunch more sse3 tests into sse3.ll 
llvm-svn: 79115
 2009-08-15 17:21:44 +00:00
Chris Lattner
34e10616f5 convert test to filecheck format. 
llvm-svn: 79114
 2009-08-15 17:05:03 +00:00
Chris Lattner
58942aabef rename test 
llvm-svn: 79113
 2009-08-15 17:01:44 +00:00
Chris Lattner
83d747a703 this is a test for sse3, simplify it. 
llvm-svn: 79112
 2009-08-15 17:01:19 +00:00
Dan Gohman
d69323d37a On x86-64, for a varargs function, don't store the xmm registers to 
the register save area if %al is 0. This avoids touching xmm
regsiters when they aren't actually used.

llvm-svn: 79061
 2009-08-15 01:38:56 +00:00
Anton Korobeynikov
933d8e1118 Properly handle indirect win64 args when they're passed in memory 
llvm-svn: 79009
 2009-08-14 18:19:10 +00:00
Bruno Cardoso Lopes
f2855aabec Change MCSectionELF to represent a section semantically instead of 
syntactically as a string, very similiar to what Chris did with MachO.
The parsing support and validation is not introduced yet.

llvm-svn: 78890
 2009-08-13 05:07:35 +00:00
Dan Gohman
4b9cae5af3 Various AsmWriter output cleanups. Use WriteAsOperand instead of 
PrintUnmangledNameSafely.

llvm-svn: 78878
 2009-08-13 01:36:44 +00:00
Dan Gohman
8ce3f1d1df Use WriteAsOperand to print BasicBlock names. 
llvm-svn: 78838
 2009-08-12 20:56:56 +00:00
Dale Johannesen
f126196725 Test for 78821, sort of. While that bug is nondeterministic, 
this test failed consistently on a Darwin build.

llvm-svn: 78822
 2009-08-12 17:43:47 +00:00
Chris Lattner
1ba56c8c6c one last (?) bad x86 triple test. 
llvm-svn: 78801
 2009-08-12 06:49:44 +00:00
Chris Lattner
27cd94c25a fix some pastos in triple lines. 
llvm-svn: 78800
 2009-08-12 06:49:12 +00:00
Chris Lattner
f5d73f0aef another bogus triple 
llvm-svn: 78798
 2009-08-12 06:36:52 +00:00
Chris Lattner
c709c59153 fix another broken target triple. 
llvm-svn: 78796
 2009-08-12 06:29:18 +00:00
Chris Lattner
cfbcfcc3c4 fix an incorrect target triple. 
llvm-svn: 78795
 2009-08-12 06:28:51 +00:00
Dan Gohman
f64bbe9328 Fix a bug in the DAGCombiner's handling of multiple linked 
MERGE_VALUES nodes. Replacing the result values with the
operands in one MERGE_VALUES node may cause another
MERGE_VALUES node be CSE'd with the first one, and bring
its uses along, so that the first one isn't dead, as this
code expects. Fix this by iterating until the node is
really dead. This fixes PR4699.

llvm-svn: 78619
 2009-08-10 23:43:19 +00:00