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2009-09-16Merge 81888 from mainline.Tanya Lattner
Change the marker byte for stubs from 0xcd to 0xce (another form of interrupt instruction, which shouldn't arise any other way). 0xcd is also used by JITMemoryManager to initialize the buffer to garbage, which means it could appear following a noreturn call even when that is not a stub, confusing X86CompilationCallback2. PR 4929. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81981 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16Merge 81821 from mainline.Tanya Lattner
Don't pull a load through a callseq_start if the load's chain has multiple uses, as one of the other uses may be on a path to a different node above the callseq_start, because that leads to a cyclic graph. This problem is exposed when -combiner-global-alias-analysis is used. This fixes PR4880. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81978 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16Merge 81814 from mainline.Tanya Lattner
On x86-64, the 32-bit cmov doesn't actually clear the high 32-bit of its result if the condition is false. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81977 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16Merge 80960 from mainline.Tanya Lattner
If we've pushed registers onto the stack, but aren't adjusting the stack pointer (i.e., there are no local variables and stuff), we still need to output FDE information for the pushed registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13Merge 81132 from mainline.Tanya Lattner
Do not create calls via PLT in compilation callback - this is higly platform dependent. Hopefully, this will fix PR3801. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81691 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13Merge 80370 from mainline.Tanya Lattner
Short-term workaround for frame-related weirdness on win64. Some other minor win64 fixes as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81690 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08Merge 81187 from mainline.Tanya Lattner
fix PR4767, a crash because fp stackifier visited blocks in depth first order, so it wouldn't process unreachable blocks. When compiling at -O0, late dead block elimination isn't done and the bad instructions got to isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81268 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-21Fix a typoAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-20Fixed PCMPESTRM128 to have opcode 0x60 instead of 0x62, as specified by theSean Callanan
Intel documentation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79554 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-20Fix an x86 code size regression: prefer RIP-relative addressingDan Gohman
over absolute addressing even in non-PIC mode (unless the address has an index or something else incompatible), because it has a smaller encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79553 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Add an extra line to conform with preferred style.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Modify an assert to avoid what looks like a GCC 4.2.4 signed-ness bug.Reid Kleckner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79494 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Handle 'a' modifier in X86 asms. PR 4742.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79484 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Remove temporary testing code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79443 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Add an x86 peep that narrows TEST instructions to forms that useDan Gohman
a smaller encoding. These kinds of patterns are very frequent in sqlite3, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79439 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19eliminate AsmPrinter::SwitchToSection and just have clientsChris Lattner
talk to the MCStreamer directly instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Implement sse4.2 string/text processing instructions:Eric Christopher
Add patterns and instruction encoding information. Add custom lowering to deal with hardwired return register of uncertain type (xmm0). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79377 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18remove some pointless null switchtosections. The IntelAsmPrinter doesn't ↵Chris Lattner
really work anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18add support for some targetflags on GV operands. This allows us toChris Lattner
send instructions like: NEW: movl "L___stack_chk_guard$non_lazy_ptr" - "L1$pb"(%esi), %eax OLD: movl L___stack_chk_guard$non_lazy_ptr-"L1$pb"(%esi), %eax through the streamer. Several fixmes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Fix function alignment at -Os on x86 to be 1, not 2. getFunctionAlignmentDan Gohman
returns a log2 value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17the MinPad argument to PadToColumn only really makes sense to be 1,Chris Lattner
just remove the argument and replace it with 1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79246 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Avoid emitting XMM save code in soft-float or no-implicit-float modeDan Gohman
or some other situation where no xmm registers need to be saved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79207 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Styalistic and format changes. No functionality change.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79187 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16add support for external symbols + X86::MOVPC32r.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79175 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16implement support for lowering references to global addresses. For example, ↵Chris Lattner
we now can asmprint: NEW: movl "L___stack_chk_guard$non_lazy_ptr", %eax OLD: movl L___stack_chk_guard$non_lazy_ptr, %eax where 'new' is coming out of the MCInst version of the printer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79170 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16more formatting improvements, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16code formatting improvements, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15An overhaul of the exception handling code. This is arguably more correct thanBill Wendling
what was there before. In "no FP mode", we weren't generating labels and unwind table entries after each "push" instruction. While more than likely "okay", it's not technically correct. The major thing was that the ordering of when to define a new CFA register and at what offset wasn't correct. This would cause the exception handling to fail in ways most miserable to users. I also cleaned up some code a bit. There's one function which has a "return" at the beginning, so it's never used. Should I just remove it? :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79139 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Reapply r79127. It was fixed by d0k.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79136 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Revert r79127. It was causing compilation errors.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Change allowsUnalignedMemoryAccesses to take type argument since some targetsEvan Cheng
support unaligned mem access only for certain types. (Should it be size instead?) ARM v7 supports unaligned access for i16 and i32, some v6 variants support it as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79127 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15On x86-64, for a varargs function, don't store the xmm registers toDan Gohman
the register save area if %al is 0. This avoids touching xmm regsiters when they aren't actually used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79061 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14CMake: Corrected variable check.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79030 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Properly handle indirect win64 args when they're passed in memoryAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Update llvm-mc / MCAsmStreamer to print the instruction using the actual targetDaniel Dunbar
specific printer (this only works on x86, for now). - This makes it possible to do some correctness checking of the parsing and matching, since we can compare the results of 'as' on the original input, to those of 'as' on the output from llvm-mc. - In theory, we could now have an easy ATT -> Intel syntax converter. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78986 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Add virtual printMCInst method to AsmPrinter, as a quick way to expose the APIDaniel Dunbar
to print one instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Add X86 instruction printer support for printing MCValue operands.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78984 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13TargetRegistry: Change AsmPrinter constructor to be typed as returning anDaniel Dunbar
AsmPrinter instance (instead of just a FunctionPass) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Push LLVMContexts through the IntegerType APIs.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13TargetRegistry: Reorganize AsmPrinter construction so that clients pass in theDaniel Dunbar
TargetAsmInfo. This eliminates a dependency on TargetMachine.h from TargetRegistry.h, which technically was a layering violation. - Clients probably can only sensibly pass in the same TargetAsmInfo as the TargetMachine has, but there are only limited clients of this API. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Revert 78892 and 78895, these break generating working executables onDaniel Dunbar
x86_64-apple-darwin10. --- Reverse-merging r78895 into '.': U test/CodeGen/PowerPC/2008-12-12-EH.ll U lib/Target/DarwinTargetAsmInfo.cpp --- Reverse-merging r78892 into '.': U include/llvm/Target/DarwinTargetAsmInfo.h U lib/Target/X86/X86TargetAsmInfo.cpp U lib/Target/X86/X86TargetAsmInfo.h U lib/Target/ARM/ARMTargetAsmInfo.h U lib/Target/ARM/ARMTargetMachine.cpp U lib/Target/ARM/ARMTargetAsmInfo.cpp U lib/Target/PowerPC/PPCTargetAsmInfo.cpp U lib/Target/PowerPC/PPCTargetAsmInfo.h U lib/Target/PowerPC/PPCTargetMachine.cpp G lib/Target/DarwinTargetAsmInfo.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13fix a minor fixme. When building with SL and later tools, the ".eh" symbolsChris Lattner
don't need to be exported from the .o files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78892 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Various AsmWriter output cleanups. Use WriteAsOperand instead ofDan Gohman
PrintUnmangledNameSafely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Symbols with LinkerPrivateLinkage are weak.Dale Johannesen
This allows WebKit to build again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Use PadToColumn instead of tabs.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12CMake: Added asm file to x86_64 MSVC build.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78807 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Change TargetAsmInfo to be constructed via TargetRegistry from a Target+TripleChris Lattner
pair instead of from a virtual method on TargetMachine. This cuts the final ties of TargetAsmInfo to TargetMachine, meaning that MC can now use TargetAsmInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78802 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11prune #includage.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78748 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11change the -x86-asm-syntax=intel/att flag to be in X86TAI Chris Lattner
instead of X86 Subtarget. This elimianates dependencies on X86Subtarget from X86TAI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78746 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Change the asmprinter to print the comment character before theChris Lattner
"inlineasmstart/end" strings so that the contents of the directive are separate from the comment character. This lets elf targets get #APP/#NOAPP for free even if they don't use "#" as the comment character. This also allows hoisting the darwin stuff up to the shared TAI class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78737 91177308-0d34-0410-b5e6-96231b3b80d8
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