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Author SHA1 Message Date
Benjamin Kramer d1e1703c39 Push twines deeper into SourceMgr's error handling methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 17:42:11 +00:00
Benjamin Kramer c8ab9eb066 Unbreak build. Jim, please review. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114684 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 18:57:26 +00:00
Benjamin Kramer a53557e4fb Simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:41:29 +00:00
Benjamin Kramer 28b4afc103 Make CreateComplexVariable independent of SmallVector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:00:03 +00:00
Benjamin Kramer 9e8d1f97e9 Unbreak msvc build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114284 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-18 14:41:26 +00:00
Benjamin Kramer 92aa1f7123 Fix vmov.f64 disassembly on targets where sizeof(long) != 8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114240 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 23:48:07 +00:00
Benjamin Kramer fc24c1a7ba Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114128 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-16 23:06:18 +00:00
Benjamin Kramer 3b8b2ca3a8 Add missing include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-14 21:25:38 +00:00
Benjamin Kramer 6a7de3f205 Prune includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-14 20:49:00 +00:00
Benjamin Kramer 12ea765632 Fix linux/msvc build, move include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-13 20:04:49 +00:00
Benjamin Kramer 6844c8ea5a Teach InstructionSimplify to fold (A & B) & A -> A & B and (A | B) | A -> A | B. 
Reassociate does this but it doesn't catch all cases (e.g. if the operands are i1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-10 22:39:55 +00:00
Benjamin Kramer 0ca25608b9 This transform is also performed by InstructionSimplify, remove the duplicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-10 19:52:35 +00:00
Benjamin Kramer 5e492e8d42 MCELF: Write relocation fragments in the right endian. 
- This code is gross, but does the job for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 18:01:29 +00:00
Benjamin Kramer a754be42da Add an elf-dumper utility. 
- Output format and some of the code stolen from macho-dump.
- Somewhat incomplete and probably buggy.
- Comes with a very basic test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113488 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 15:00:41 +00:00
Benjamin Kramer aceeb3a4e2 Don't leak the old operand when transforming "sldt" into "sldtw". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 14:40:58 +00:00
Benjamin Kramer a9eadca2fd MCELF: Align symtab, relocation sections and section headers properly. Patch by Krister Wombell. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-06 16:11:52 +00:00
Benjamin Kramer df3f25656d Zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112955 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 12:13:18 +00:00
Benjamin Kramer 1674b0b0e4 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 18:53:37 +00:00
Benjamin Kramer 230c274724 Allow MCSA_WeakRef in ELF. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112834 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 17:18:32 +00:00
Benjamin Kramer 47b7efc082 Remove noisy semicolon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:38:13 +00:00
Benjamin Kramer 19dc7faf25 Allow creation of SHT_NULL sections, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 17:03:33 +00:00
Benjamin Kramer 6cc53be24c MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 17:20:17 +00:00
Benjamin Kramer 033927408e Don't print two "0x" prefixes. Use a raw_ostream overload instead of llvm::format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112479 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 14:46:53 +00:00
Benjamin Kramer 51799ddc7c The value is offset from the start of the section for non-common symbols, submitted by Jordan Gordeev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112473 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 12:00:16 +00:00
Benjamin Kramer 679d236117 Index external symbols by symbol table instead of parent section, by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 11:59:29 +00:00
Benjamin Kramer 82a3171b72 Mark all common symbols external. This is not exactly correct but it lets apps 
link for now and can be adjusted later. Patch by Roman Divacky.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 11:56:55 +00:00
Benjamin Kramer 9df0a0a871 Update ocaml test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 10:29:41 +00:00
Benjamin Kramer 13ba2f9714 Remove unions from the ocaml bindings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112363 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 09:47:42 +00:00
Benjamin Kramer 6cfabc7974 Update CMake build. Add newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112332 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 00:11:12 +00:00
Benjamin Kramer 93ded7371f MCELF: Port EmitInstruction changes from MachO streamer. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 10:40:51 +00:00
Benjamin Kramer 95c602ade3 MCELF: Always overwrite FixedValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 10:38:39 +00:00
Benjamin Kramer 4ba1b3074b MCELF: Fix a thinko of mine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 18:12:04 +00:00
Benjamin Kramer 63d37b9322 MCELF: Compensate for the addend on i386. Patch by Roman Divacky, with some cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 17:23:02 +00:00
Benjamin Kramer 837bccd052 StringRef::compare_numeric also differed from StringRef::compare for characters > 127. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112189 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 15:25:35 +00:00
Benjamin Kramer 0043e35b82 Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 14:21:08 +00:00
Benjamin Kramer 7b83c26051 MCELF: Use precomputed symbol indices, patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112079 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:09:43 +00:00
Benjamin Kramer fc19695c9a Remove dead recursive function. Yay for clang -Wunused-function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:27:58 +00:00
Benjamin Kramer 2f6e0e68a4 Relocate against parent if the symbol is not in section or it's a common symbol, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 17:34:39 +00:00
Benjamin Kramer c522f6e70b Fix thinko. Having no tests is great ... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 21:32:00 +00:00
Benjamin Kramer 36c6dc22bc Reduce code duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 21:23:52 +00:00
Benjamin Kramer 0b6cbfe04c ELFObjectWriter: Run ComputeSymbolTable before recording relocations. This way we can use the information it has computed and don't have to recompute the same stuff over and over again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 21:19:37 +00:00
Benjamin Kramer bcf2db60dd Add the symbol offset to the relocation value when we relocate against section. By Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 19:05:46 +00:00
Benjamin Kramer 30dc1ee78a Use the proper relocation section + cleanup, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 18:24:20 +00:00
Benjamin Kramer 250eb005d9 Avoid O(n*m) complexity in StringRef::find_first(_not)_of(StringRef). 
- Cache used characters in a bitset to reduce memory overhead to just 32 bytes.
- On my core2 this code is faster except when the checked string was very short
  (smaller than the list of delimiters).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 18:16:08 +00:00
Benjamin Kramer 79ed2c597a StringRef tweaks: 
- Respect find_first_of(char's From parameter instead of silently dropping it.
- Prefer std::string() to std::string("")


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 17:44:13 +00:00
Benjamin Kramer 9dd3e92e1d Use MDNode::destroy(). Fixes a delete/free mismatch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111739 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-21 15:07:23 +00:00
Benjamin Kramer 192a400003 Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111669 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 18:56:46 +00:00
Benjamin Kramer 678e4e2479 Update LLVMC tests for r111620. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 13:03:33 +00:00
Benjamin Kramer 44cbde85ba MCELF: Count the section orders properly. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-19 13:44:49 +00:00
Benjamin Kramer 81cfb8529b Remove dead code. Fixes a GCC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 19:45:05 +00:00
Benjamin Kramer e5b57347e9 Sketch i386 relocations handling, from Roman Divacky. 
Hello world builds & runs now on i386/ELF with -integrated-as.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 18:20:28 +00:00
Benjamin Kramer 299fbe3a5a Use the correct entry size for relocation entries, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:56:13 +00:00
Benjamin Kramer 377a572d9b Differentiate between RELA and REL relocations, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:30:07 +00:00
Benjamin Kramer eb97677764 One baby step towards i386 ELF, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:02:29 +00:00
Benjamin Kramer 73c32f60c4 Revert r111230, we have to find a better place for the host-specific code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111232 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 15:50:23 +00:00
Benjamin Kramer 8466efc36f Micro-optimize MCObjectWriter to do a byteswap if necessary and then write the 
whole integer to the stream instead of doing byte-sized writes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111230 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 13:55:45 +00:00
Benjamin Kramer 755525ad23 There is this new "LLVM" compiler that supports __builtin_bswap but thinks it's gcc 4.2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 11:45:38 +00:00
Benjamin Kramer 172d7d6a12 Try to silence a overeager GCC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:33:24 +00:00
Benjamin Kramer 368ae7e4ec A round of minor cleanups for ELFObjectWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:00:46 +00:00
Benjamin Kramer 1f8aa7bf08 Silence warnings and simplify code. Eliminate a 32/64 bit portability issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:00:12 +00:00
Benjamin Kramer bde87c4d2a Test expects SSE, give him SSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-15 23:32:03 +00:00
Benjamin Kramer 1d81e0eed3 Restore arch on these test, they fail on arm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-15 20:42:56 +00:00
Benjamin Kramer 452b93e7dc Use getAllOnesValue, saves a copy and looks better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110991 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 00:29:44 +00:00
Benjamin Kramer 991808005a Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-08 19:54:10 +00:00
Benjamin Kramer fff0f11989 Roll back my last two commits, valgrind complains. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110518 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-07 13:27:41 +00:00
Benjamin Kramer 0055fac724 A reference to the Timer's name is safe, it outlives the contents of the vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-07 13:07:57 +00:00
Benjamin Kramer 933b16e665 Kill rarely used std::sort. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110516 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-07 12:37:00 +00:00
Benjamin Kramer 5aa8df22e7 Shrink PassNameParser's binary size with array_pod_sort. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-07 11:45:42 +00:00
Benjamin Kramer 56d23947ca Enable COFF writer on mingw32 and cygwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-04 15:32:40 +00:00
Benjamin Kramer c575283675 Print an error message when someone tries -integrated-as on an unsupported target. 
- The COFF backend doesn't support MingW/Cygwin at the moment, it'll report an
  error, but it's still much better than random assertions from the MachO backend.
- We want to make ELF the default eventually, it's what the majority of targets use.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-04 13:16:30 +00:00
Benjamin Kramer ad2b04c07f Preallocate vector, avoid unnecessary vector growth. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-01 11:43:26 +00:00
Benjamin Kramer e099eba206 Tweak suppressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-30 12:18:36 +00:00
Benjamin Kramer 432ab2a10c Supress valgrind errors from python. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-29 23:15:04 +00:00
Benjamin Kramer 38ca1078b4 Remove XFAIL, test doesn't leak anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-29 20:36:36 +00:00
Benjamin Kramer 1abcd06856 Plug the remaining MC leaks by giving MCObjectStreamer/MCAsmStreamer ownership of the TargetAsmBackend and the MCCodeEmitter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-29 17:48:06 +00:00
Benjamin Kramer 3bce5adb32 Stop leaking std::strings in GetDwarfFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-29 13:53:19 +00:00
Benjamin Kramer 808ecfce6a COFFObjectWriter: Don't leak COFFSymbols and COFFSections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-29 11:57:59 +00:00
Benjamin Kramer 82d5baec32 Reduce string trashing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109386 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-25 23:18:32 +00:00
Benjamin Kramer 5907f4c385 Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108700 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-19 15:37:03 +00:00
Benjamin Kramer 3df1d5c408 Feed the right output into FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108523 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 10:58:02 +00:00
Benjamin Kramer 38e59891ee Don't pass StringRef by reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-14 22:38:02 +00:00
Benjamin Kramer 26fe25f651 HTML cleanup and validation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108239 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-13 12:26:09 +00:00
Benjamin Kramer c9fe6374b7 Nope, still breaks the release selfhost bots :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108153 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 16:38:48 +00:00
Benjamin Kramer 8fd437c43f Reapply the "or" half of r108136, which seems to be less problematic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 16:15:48 +00:00
Benjamin Kramer e2d07b5208 Revert r108141 again, sigh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 14:42:04 +00:00
Benjamin Kramer 98a8206e58 Reapply 108136 with an ugly pasto fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108141 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 13:44:00 +00:00
Benjamin Kramer ad854f0764 Move optimization to avoid redundant matching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 13:34:22 +00:00
Benjamin Kramer 0cc4ed1ca5 Revert r108136 until I figure out why it broke selfhost. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108139 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 12:35:49 +00:00
Benjamin Kramer 4fc719e607 instcombine: fold (x & y) | (~x & z) and (x & y) ^ (~x & z) into ((y ^ z) & x) ^ z which is one instruction shorter. (PR6773) 
before:
  %and = and i32 %y, %x
  %neg = xor i32 %x, -1
  %and4 = and i32 %z, %neg
  %xor = xor i32 %and4, %and

after:
  %xor1 = xor i32 %z, %y
  %and2 = and i32 %xor1, %x
  %xor = xor i32 %and2, %z


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108136 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 11:54:45 +00:00
Benjamin Kramer cde51108de Merge the duplicated iabs optimization in DAGCombiner and let it detected a few more idioms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107868 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-08 12:09:56 +00:00
Benjamin Kramer 1db071f0da Teach instcombine to transform 
(X >s -1) ? C1 : C2 and (X <s  0) ? C2 : C1
into ((X >>s 31) & (C2 - C1)) + C1, avoiding the conditional.

This optimization could be extended to take non-const C1 and C2 but we better
stay conservative to avoid code size bloat for now.

for
int sel(int n) {
     return n >= 0 ? 60 : 100;
}

we now generate
  sarl  $31, %edi
  andl  $40, %edi
  leal  60(%rdi), %eax

instead of
  testl %edi, %edi
  movl  $60, %ecx
  movl  $100, %eax
  cmovnsl %ecx, %eax


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107866 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-08 11:39:10 +00:00
Benjamin Kramer 3432d70d5b Use a more obvious way to avoid compiling functions which are only used when XDEBUG is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-29 10:03:11 +00:00
Benjamin Kramer 2b3b32361f Fix test weirdness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106959 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-26 22:06:50 +00:00
Benjamin Kramer a2938e7e5f Fix some tests that didn't test anything. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106954 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-26 20:05:06 +00:00
Benjamin Kramer ce9a20b808 VNInfos don't need to be destructed anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106943 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-26 11:30:59 +00:00
Benjamin Kramer 831338b320 Rewrite MemoryBuffer::getSTDIN to use read(2) and a SmallVector buffer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106856 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-25 16:07:18 +00:00
Benjamin Kramer 7262c19c41 Bring back the empty vector workaround I removed in r106839. Looks like MSVC needs it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106841 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-25 12:51:01 +00:00
Benjamin Kramer d4d1f85aa7 Tweak MemoryBuffer to allocate the class itself, the name and possibly the 
buffer in the same chunk of memory.

2 less mallocs for every uninitialized MemoryBuffer and 1 less malloc for every
MemoryBuffer pointing to a memory range translate into 20% less mallocs on
clang -cc1 -Eonly Cocoa_h.m.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106839 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-25 11:50:40 +00:00
Benjamin Kramer 6118efa59e Use calloc instead of new/memset, it is more efficient when the set is very large. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106390 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-19 17:00:31 +00:00
Benjamin Kramer 0f471e018f TODO-- 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-16 15:47:00 +00:00