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27878 Commits

Author SHA1 Message Date
Chris Lattner 960acb008b implement cast.ll:test35. With this, we recognize: 
unsigned short swp(unsigned short a) {
       return ((a & 0xff00) >> 8 | (a & 0x00ff) << 8);
}

as an idiom for bswap.

llvm-svn: 32011
 2006-11-29 07:18:39 +00:00
Chris Lattner 19d72c9f4f new testcase 
llvm-svn: 32010
 2006-11-29 07:17:32 +00:00
Chris Lattner d747f015ff Teach instcombine to turn trunc(srl x, c) -> srl (trunc(x), c) when safe. 
This implements InstCombine/cast.ll:test34.  It fires hundreds of times on
176.gcc.

llvm-svn: 32009
 2006-11-29 07:04:07 +00:00
Chris Lattner 544dfa013c new testcase 
llvm-svn: 32008
 2006-11-29 07:03:00 +00:00
Chris Lattner 7b34c1391a This fails on mainline. 
llvm-svn: 32007
 2006-11-29 05:19:32 +00:00
Chris Lattner a7942b7bbd Implement Regression/Transforms/InstCombine/bswap-fold.ll, 
folding   seteq (bswap(x)), c -> seteq(x,bswap(c))

llvm-svn: 32006
 2006-11-29 05:02:16 +00:00
Chris Lattner e7f83dcf4b new testcase, bswaps should be eliminated. 
llvm-svn: 32005
 2006-11-29 05:00:14 +00:00
Evan Cheng 8facb43593 16-byte stack alignment for X86-64 ELF. Patch by Dan Gohman. 
llvm-svn: 32004
 2006-11-29 02:00:40 +00:00
Evan Cheng feba507a97 Fix for PR1023 by Dan Gohman. 
llvm-svn: 32003
 2006-11-29 01:58:12 +00:00
Evan Cheng 79ca238966 Add test cases for PR1022, 1023. 
llvm-svn: 32002
 2006-11-29 01:57:06 +00:00
Chris Lattner 38084725a2 Upgrade the ugly darwin 64-bit bswap idiom (bswap %eax / bswap %edx / 
xchgl %eax, %edx) to llvm.bswap.i64.  This compiles:

long long test2(long long A) {
  return _OSSwapInt64(A);
}

to:

_test2:
        movl 8(%esp), %eax
        movl 4(%esp), %edx
        bswapl %eax
        bswapl %edx
        ret

instead of:

_test2:
        movl 8(%esp), %edx
        movl 4(%esp), %eax
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        ret

GCC manages (with -fomit-frame-pointer) the uglier:

_test2:
        subl    $4, %esp
        movl    8(%esp), %eax
        movl    12(%esp), %edx
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        addl    $4, %esp
        ret

llvm-svn: 32001
 2006-11-29 01:48:01 +00:00
Evan Cheng 6e12a052ff Fix for PR1022 (folding loads of static initializers) by Dan Gohman. 
llvm-svn: 32000
 2006-11-29 01:38:07 +00:00
Chris Lattner 0fc6ae0c3d Trivially lower 'bswap $0' into llvm.bswap. This fixes hexxagon with the 
JIT on darwin/x86, which has htonl implemented as inline asm.

llvm-svn: 31999
 2006-11-29 01:14:06 +00:00
Bill Wendling 18739dc03f WTF? These weird newlines got in there... 
llvm-svn: 31998
 2006-11-29 01:14:00 +00:00
Chris Lattner 90f4238c38 add a hook to allow targets to hack on inline asms to lower them to llvm 
when they want to.

llvm-svn: 31997
 2006-11-29 01:12:32 +00:00
Reid Spencer a736fdf216 Join a split line. 
llvm-svn: 31996
 2006-11-29 01:11:01 +00:00
Bill Wendling 5c3966aa68 Converted to using llvm streams instead of <iostream>s 
llvm-svn: 31992
 2006-11-29 00:39:47 +00:00
Bill Wendling afd54eb8b6 Replacing std::iostreams with llvm iostreams. Some of these changes involve 
adding a temporary wrapper around the ostream to make it friendly to
functions expecting an LLVM stream. This should be fixed in the future.

llvm-svn: 31990
 2006-11-29 00:19:40 +00:00
Bill Wendling a531ac291c Convert to using llvm streams instead of iostreams. 
llvm-svn: 31989
 2006-11-28 23:33:06 +00:00
Bill Wendling a38b3e15be Support for llvm_ostreams. 
llvm-svn: 31988
 2006-11-28 23:31:42 +00:00
Andrew Lenharth 904ca9c688 gcc doesn't like an empty colbber list 
llvm-svn: 31987
 2006-11-28 23:07:32 +00:00
Bill Wendling be6ce9d1c7 Use ostream instead of iostream 
llvm-svn: 31986
 2006-11-28 22:49:32 +00:00
Bill Wendling 787b77320f Use llvm streams instead of <iostream> 
llvm-svn: 31985
 2006-11-28 22:48:48 +00:00
Bill Wendling 6c1740f31f Removed #include <iostream> and used llvm streams 
llvm-svn: 31984
 2006-11-28 22:47:12 +00:00
Bill Wendling 597d451fea Removed some of the iostream #includes. Moved towards converting to using 
llvm streams

llvm-svn: 31983
 2006-11-28 22:46:12 +00:00
Bill Wendling a60d8edfc9 Support for llvm streams. 
llvm-svn: 31982
 2006-11-28 22:45:17 +00:00
Chris Lattner 228bcd3802 Add a helper function 
llvm-svn: 31981
 2006-11-28 22:32:35 +00:00
Andrew Lenharth f52ae7ec72 Identities are default now 
llvm-svn: 31980
 2006-11-28 22:28:08 +00:00
Andrew Lenharth 8b59fd03c2 Make identity default, and fix PR1020 
llvm-svn: 31979
 2006-11-28 22:25:32 +00:00
Bill Wendling f89955be1b Added a temporary hack to get the llvm-streams to work for future checkins. 
llvm-svn: 31978
 2006-11-28 22:21:29 +00:00
Reid Spencer 116ad83aa0 Undo the last patch until 253.perlbmk passes with these changes. 
llvm-svn: 31977
 2006-11-28 20:23:51 +00:00
Evan Cheng 69b1825488 New entries. 
llvm-svn: 31976
 2006-11-28 19:59:25 +00:00
Andrew Lenharth 7f739d5bdd update comments 
llvm-svn: 31975
 2006-11-28 19:56:02 +00:00
Andrew Lenharth 212f15fa8a Get the asminfo for the target most closely matching the module and use that for inline asm 
llvm-svn: 31974
 2006-11-28 19:53:36 +00:00
Andrew Lenharth 2675e23a7e X86 asm -> gcc asm translation table (incomplete) 
llvm-svn: 31973
 2006-11-28 19:52:49 +00:00
Andrew Lenharth ff35b449a0 Add per-target support for asm translation in the cbe 
llvm-svn: 31972
 2006-11-28 19:52:20 +00:00
Jim Laskey 40182179b6 Remove debug code. 
llvm-svn: 31970
 2006-11-28 18:27:02 +00:00
Jim Laskey ec05b046c7 Prime text sections to improve branch locality in large object files. 
llvm-svn: 31969
 2006-11-28 18:21:52 +00:00
Jim Laskey f4e2e009d9 32-bit int space was not accounted for properly in lowerCall. 
llvm-svn: 31966
 2006-11-28 14:53:52 +00:00
Reid Spencer 55f1fbee2e Regenerate. 
llvm-svn: 31965
 2006-11-28 07:29:44 +00:00
Reid Spencer d47017990b Implement signedness caching for values, value lists, constants and 
constant lists. This is just an internal change to the parser in
preparation for some backwards compatibility code that is to follow.
This will allow things like "uint 4000000000" to retain the unsignedness
of the integer constant as the value moves through the parser. In the
future, all integer types will be signless but parsing "uint" and friends
will be retained for backwards compatibility.

llvm-svn: 31964
 2006-11-28 07:28:14 +00:00
Reid Spencer 59fe2d89ae Remove 4 FIXME's from the CAST patch now that the back end is correctly 
producing code for "trunc to bool". This passes all tests on Linux.

llvm-svn: 31963
 2006-11-28 07:23:01 +00:00
Reid Spencer d077fe70e9 Add an -append-exit-code option to bugpoint. This will cause bugpoint to 
append "exit <retcode>" to the end of the output file. This is used by
the nightly tester to make bugpoint match the output generated by the
RunSafely.sh script so it doesn't find false positives.

llvm-svn: 31960
 2006-11-28 07:04:10 +00:00
Reid Spencer 21052cd48f Fix a typo. 
llvm-svn: 31959
 2006-11-28 06:14:06 +00:00
Bill Wendling bc0d5f8bcb Put the #include for a module first. 
llvm-svn: 31958
 2006-11-28 03:31:29 +00:00
Evan Cheng b2a6b0dbad Clean up. 
llvm-svn: 31957
 2006-11-28 02:25:34 +00:00
Evan Cheng db8f19fb90 Fix indentation. 
llvm-svn: 31956
 2006-11-28 02:22:51 +00:00
Bill Wendling dfc91897df Changed to using LLVM streams. 
llvm-svn: 31955
 2006-11-28 02:09:03 +00:00
Bill Wendling 3f6f0fd028 Changed to using llvm streams. 
llvm-svn: 31954
 2006-11-28 02:08:17 +00:00
Bill Wendling cd2f1a897f Added helper function to transition to using llvm streams. 
llvm-svn: 31953
 2006-11-28 02:07:29 +00:00
Evan Cheng 8ddbdc70b7 Fix JIT encoding bugs for shift / rotate by one ops. 
llvm-svn: 31952
 2006-11-28 01:28:00 +00:00
Chris Lattner e88ff3a961 testcase for pr1016 
llvm-svn: 31951
 2006-11-28 01:26:37 +00:00
Chris Lattner 3abb63651b Fix PR1016 
llvm-svn: 31950
 2006-11-28 01:03:30 +00:00
Bill Wendling 5834fdb371 Removed #include <iostream> and replaced streams with llvm streams. 
llvm-svn: 31949
 2006-11-27 23:54:50 +00:00
Andrew Lenharth e8c64aba11 Preliminary support for inline asm in the cbe. The target specific ugliness 
is still in Writer, but issolated to a single function. This might be split
into something in each target directory.  This is sufficient to get through
archie and an strcpy impl on linux-x86.

Module level asm is not handled.

llvm-svn: 31948
 2006-11-27 23:50:49 +00:00
Evan Cheng 20350c4025 Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead 
of opcode and number of operands.

llvm-svn: 31947
 2006-11-27 23:37:22 +00:00
Chris Lattner 5230e9175a remove dead tag 
llvm-svn: 31944
 2006-11-27 21:53:28 +00:00
Chris Lattner 5d5916b4d1 Fix the dag combiner bug corresponding to PR1014. 
llvm-svn: 31943
 2006-11-27 21:50:02 +00:00
Chris Lattner f36cc15a84 this doesn't pass with CVS HEAD. 
llvm-svn: 31942
 2006-11-27 20:01:48 +00:00
Chris Lattner 8e9a7b73d9 Fix PR1014 and InstCombine/2006-11-27-XorBug.ll. 
llvm-svn: 31941
 2006-11-27 19:55:07 +00:00
Reid Spencer 5fb4da8c5d Add 3 more test cases for ptrtoint, fptoui and fptosi 
llvm-svn: 31940
 2006-11-27 19:54:23 +00:00
Chris Lattner 2c2e34b2c4 testcase for PR1014 
llvm-svn: 31939
 2006-11-27 19:47:22 +00:00
Reid Spencer 16eaffe595 When truncating to bool, it is necessary to & with 1 for all casts that 
can result in a bool. Previously PtrToInt, FPToUI and FPToSI were missing
this operation.

llvm-svn: 31938
 2006-11-27 18:51:06 +00:00
Bill Wendling f790e9de2c Protect against null streams. 
llvm-svn: 31937
 2006-11-27 10:45:49 +00:00
Bill Wendling 7339b8dbfd Removed #include <iostream> and replaced with llvm_* streams. 
llvm-svn: 31936
 2006-11-27 10:09:12 +00:00
Reid Spencer 141519fbc0 Alter these tests to ensure they match a "test $1, X" X86 instruction that 
is now generated by the LLVM backend for "trunc to bool" instructions.

llvm-svn: 31935
 2006-11-27 05:08:03 +00:00
Reid Spencer b3281892d9 Add a test to ensure a bitcast/and/trunc combination eliminates the bitcast. 
llvm-svn: 31934
 2006-11-27 05:06:58 +00:00
Chris Lattner 3da631f29a For better or worse, load from i1 is assumed to be zero extended. Do not 
form a load from i1 from larger loads that may not be zext'd.

llvm-svn: 31933
 2006-11-27 04:40:53 +00:00
Chris Lattner db18938355 If a brcond condition is promoted, make sure to zero extend it, even if not 
expanded into BR_CC.

llvm-svn: 31932
 2006-11-27 04:39:56 +00:00
Reid Spencer 6c38f0bb07 For PR950: 
The long awaited CAST patch. This introduces 12 new instructions into LLVM
to replace the cast instruction. Corresponding changes throughout LLVM are
provided. This passes llvm-test, llvm/test, and SPEC CPUINT2000 with the
exception of 175.vpr which fails only on a slight floating point output
difference.

llvm-svn: 31931
 2006-11-27 01:05:10 +00:00
Reid Spencer afbc00bc38 Don't use bitcast yet! 
llvm-svn: 31930
 2006-11-26 21:22:01 +00:00
Reid Spencer 2dd1741565 Make this test case easier to read. No functional changes. 
llvm-svn: 31929
 2006-11-26 18:27:09 +00:00
Bill Wendling 3750ae25a0 Removed #include <iostream> and replace with llvm_* streams. 
llvm-svn: 31927
 2006-11-26 10:52:51 +00:00
Bill Wendling a88968b9c4 Add method that will take a function pointer so that it can handle things 
like "llvm_cerr << std::flush";

llvm-svn: 31926
 2006-11-26 10:51:51 +00:00
Bill Wendling 4ae401074c Remove #include <iostream> and use llvm_* streams instead. 
llvm-svn: 31925
 2006-11-26 10:17:54 +00:00
Bill Wendling 8f13b5c43e Replace #include <iostream> with llvm_* streams. 
llvm-svn: 31924
 2006-11-26 10:02:32 +00:00
Bill Wendling 5dbf43c983 Removed #include <iostream> and replaced with llvm_* streams. 
llvm-svn: 31923
 2006-11-26 09:46:52 +00:00
Bill Wendling a7459ca813 Removed #include <iostream> and used the llvm_cerr/DOUT streams instead. 
llvm-svn: 31922
 2006-11-26 09:17:06 +00:00
Duraid Madina 24cdf575e7 fix storing bools to mem and unordered FP ops 
llvm-svn: 31920
 2006-11-26 04:34:26 +00:00
Reid Spencer aa5c220665 Make the absolute/relative tolerance information easier to read/understand. 
llvm-svn: 31908
 2006-11-25 08:38:44 +00:00
Reid Spencer 6968c497de Add newline at end of file. 
llvm-svn: 31902
 2006-11-25 05:41:02 +00:00
Reid Spencer 6984a15600 Only show the first few lines of difference. 
llvm-svn: 31901
 2006-11-25 04:07:06 +00:00
Reid Spencer 17782030cf Add an option to enable lli (interpreter mode) testing. 
llvm-svn: 31899
 2006-11-24 20:34:16 +00:00
Reid Spencer 3c3324c7fa Fix some typos. 
llvm-svn: 31897
 2006-11-23 16:45:52 +00:00
Reid Spencer 0e43e15fc9 Promote GEP ubyte indices to uint. Backwards compatibility for 1.2 and 
older features will be dropped soon and these test cases must not rely
on the upgrade capability.

llvm-svn: 31896
 2006-11-23 15:14:52 +00:00
Nick Lewycky 09b7e4d3ab Update to new predicate simplifier VRP design. Fixes PR966 and PR967. 
Remove predicate simplifier from default gcc3 pipeline. New design is too
slow to enable by default.
Add new testcases for problems encountered in development.

llvm-svn: 31895
 2006-11-22 23:49:16 +00:00
Reid Spencer fff57ce9cd Stop early if there is no mis-optimization. 
llvm-svn: 31893
 2006-11-22 03:46:45 +00:00
John Criswell 4666c085f3 Documented the --disable-compression option in gccld and gccas. 
llvm-svn: 31892
 2006-11-21 22:53:12 +00:00
John Criswell dffef2d2f5 Added the --disable-compression option which controls whether the 
generated bytecode uses compression.

llvm-svn: 31891
 2006-11-21 22:50:24 +00:00
Chris Lattner ec45a4c88c This xform is handled by FoldOpIntoPhi in visitCastInst in a more elegant way. 
llvm-svn: 31889
 2006-11-21 17:05:13 +00:00
Anton Korobeynikov 5b96cdebb0 Refactored *GVRequiresExtraLoad() to Subtarget method. 
llvm-svn: 31887
 2006-11-21 00:01:06 +00:00
Jim Laskey efcaa4a8f5 Test for PR1013. 
llvm-svn: 31886
 2006-11-20 21:58:02 +00:00
Chris Lattner e06180bab8 new testcase 
llvm-svn: 31885
 2006-11-20 21:20:57 +00:00
Chris Lattner ec5dbccdcf in ppc64-mode, don't allocate the 32-bit version of r13 either. 
llvm-svn: 31884
 2006-11-20 20:48:05 +00:00
Jim Laskey d7f53cdaec Global label not handled correctly. 
llvm-svn: 31883
 2006-11-20 20:29:06 +00:00
Chris Lattner ac36360348 r13 is the thread pointer on darwin/ppc64, don't allocate it. 
llvm-svn: 31882
 2006-11-20 19:33:51 +00:00
Chris Lattner 1f96052d41 Fix PR1005 
llvm-svn: 31881
 2006-11-20 18:57:02 +00:00
Chris Lattner 55b8683d24 Fix PR1001, patch by Nikhil Patil! 
llvm-svn: 31880
 2006-11-20 18:54:33 +00:00
Chris Lattner 3e96211bc8 Fix codegen for x86-64 on systems (like ppc or i386) that don't have 64-bit 
features autodetected.  This fixes PR1010 and Regression/CodeGen/X86/xmm-r64.ll
on non-x86-64 hosts.

llvm-svn: 31879
 2006-11-20 18:16:05 +00:00
Chris Lattner 3676a994ca Fix PR1011 and CodeGen/Generic/2006-11-20-DAGCombineCrash.ll 
llvm-svn: 31878
 2006-11-20 18:05:46 +00:00