Commit Graph

1339 Commits

Author SHA1 Message Date
Dan Gohman aa92dc1e61 LLVM currently represents floating-point negation as -0.0 - x. Fix
FastISel to recognize this pattern and emit a floating-point
negation using xor.

llvm-svn: 80963
2009-09-03 22:53:57 +00:00
Daniel Dunbar abf2bb683a Remove dead greps.
llvm-svn: 80946
2009-09-03 20:59:02 +00:00
Dan Gohman d0d5e685da 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 eadd21ea3c 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 1b38952c99 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 cdb6fd2c7c 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 4f101f98d1 rename test
llvm-svn: 80901
2009-09-03 06:16:49 +00:00
Chris Lattner b284f7b1d9 eliminate some uses of prcontext. Any help here would be appreciated :)
llvm-svn: 80520
2009-08-30 21:45:23 +00:00
Dan Gohman ca73326f56 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 7f0ca9a34c X86FastISel support for loading and storing values of type i1.
llvm-svn: 80186
2009-08-27 00:31:47 +00:00
Dan Gohman f1abb5511b 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 6c23fa2442 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 6d9d5a9c94 convert to filecheck
llvm-svn: 80025
2009-08-25 20:49:04 +00:00
Daniel Dunbar 9cc4970ed3 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 0d4bbf2c4a Remove obsolete -f flags.
llvm-svn: 79992
2009-08-25 15:38:29 +00:00
Dale Johannesen f8d37c6b81 Fix PR 4751, another difficulty with %a modifier on x86.
llvm-svn: 79961
2009-08-25 00:16:14 +00:00
Dale Johannesen fbc9a2e33b Split test into 3.
llvm-svn: 79926
2009-08-24 17:51:19 +00:00
Jakob Stoklund Olesen 972c8fab51 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 682d8c1881 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 f09250f1b1 rename test, make more specific.
llvm-svn: 79712
2009-08-22 00:44:24 +00:00
Dale Johannesen fa2b97e61a 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 05046085b6 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 d16abc09c4 Use FileCheck for the test run where it's appropriate.
llvm-svn: 79534
2009-08-20 16:58:04 +00:00
Dale Johannesen 1d764f61ef Handle 'a' modifier in X86 asms. PR 4742.
llvm-svn: 79484
2009-08-19 22:44:41 +00:00
Bill Wendling 6c528bc7ae Make this test platform neutral.
llvm-svn: 79447
2009-08-19 18:51:45 +00:00
Dan Gohman ac33a9061d 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 1e008c173a 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 4906f73a9f 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 b85ad63727 Make this test less sensitive to assembler differences.
llvm-svn: 79348
2009-08-18 17:19:46 +00:00
Chris Lattner 8b0e164aa6 force a triple so this passes on darwin
llvm-svn: 79345
2009-08-18 16:55:45 +00:00
Dan Gohman a41fa35992 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 b4d7312249 Fix test on Linux.
llvm-svn: 79140
2009-08-15 21:28:17 +00:00
Chris Lattner da108b4ed4 implement support for CHECK-NEXT: in filecheck.
llvm-svn: 79123
2009-08-15 18:32:21 +00:00
Chris Lattner c6a803be7c specify a target triple so global variable manglings are consistent etc.
llvm-svn: 79118
2009-08-15 17:35:05 +00:00
Chris Lattner 3838c2dabf convert to filecheck.
llvm-svn: 79117
2009-08-15 17:28:09 +00:00
Chris Lattner bb193ecec8 rename this test to sse2.ll
llvm-svn: 79116
2009-08-15 17:24:09 +00:00
Chris Lattner d3954e2790 merge a bunch more sse3 tests into sse3.ll
llvm-svn: 79115
2009-08-15 17:21:44 +00:00
Chris Lattner 9bae01ec47 convert test to filecheck format.
llvm-svn: 79114
2009-08-15 17:05:03 +00:00
Chris Lattner 912aa19c25 rename test
llvm-svn: 79113
2009-08-15 17:01:44 +00:00
Chris Lattner e5b9130efe this is a test for sse3, simplify it.
llvm-svn: 79112
2009-08-15 17:01:19 +00:00
Dan Gohman 0700a56860 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 75821f7c69 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 607cd3b63a 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 ef3d457126 Various AsmWriter output cleanups. Use WriteAsOperand instead of
PrintUnmangledNameSafely.

llvm-svn: 78878
2009-08-13 01:36:44 +00:00
Dan Gohman 1c0e13fe66 Use WriteAsOperand to print BasicBlock names.
llvm-svn: 78838
2009-08-12 20:56:56 +00:00
Dale Johannesen 58043874ce 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 1235f20744 one last (?) bad x86 triple test.
llvm-svn: 78801
2009-08-12 06:49:44 +00:00
Chris Lattner 6628e17344 fix some pastos in triple lines.
llvm-svn: 78800
2009-08-12 06:49:12 +00:00
Chris Lattner 0ea6e4cc7f another bogus triple
llvm-svn: 78798
2009-08-12 06:36:52 +00:00
Chris Lattner 8c2d846a42 fix another broken target triple.
llvm-svn: 78796
2009-08-12 06:29:18 +00:00