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* Further refactoring of PIC16 Obj file code.Sanjiv Gupta2009-09-011-13/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80670 91177308-0d34-0410-b5e6-96231b3b80d8
* Start refactoring PIC16 TargetObjectFile code. Eventually, all the stuff fromSanjiv Gupta2009-08-251-5/+5
| | | | | | | PIC16Section will move to MCSectionPIC16. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80021 91177308-0d34-0410-b5e6-96231b3b80d8
* rename TAI -> MAI, being careful not to make MAILJMP instructions :)Chris Lattner2009-08-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79777 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename TargetAsmInfo (and its subclasses) to MCAsmInfo.Chris Lattner2009-08-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79763 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r79562 + r79563Chris Lattner2009-08-211-44/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79690 91177308-0d34-0410-b5e6-96231b3b80d8
* revert 79631Chris Lattner2009-08-211-29/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79685 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a problem noticed by gcc-4.4:Duncan Sands2009-08-211-1/+1
| | | | | | | warning: comparison is always true due to limited range of data type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79642 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a pass to do call graph analyis to overlay the autos and frame sections of Sanjiv Gupta2009-08-211-0/+29
| | | | | | | | leaf functions. This pass will be extended to color other nodes of the call tree as well in future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79631 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement support for ISRs. Sanjiv Gupta2009-08-201-2/+44
| | | | | | | | | | Clone functions that are shared between the Main thread and Interrupt thread. CallSites are changed in AsmPrinter currently. A better solution would have been to modify the legalizer (SoftenFloat) to allow targets to change the name of libcalls for float operations. But that currently breaks other targets. Also, cloing of automatic variables is done AsmPrinter, a better approach would be to use the ValueMap in CloneFunction itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79562 91177308-0d34-0410-b5e6-96231b3b80d8
* rename PIC16Section.h -> MCSectionPIC16.h for consistency withChris Lattner2009-08-151-1/+1
| | | | | | | the class it defines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79081 91177308-0d34-0410-b5e6-96231b3b80d8
* make PIC16 unique its own sections instead of having mcontext do it.Chris Lattner2009-08-131-8/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78871 91177308-0d34-0410-b5e6-96231b3b80d8
* sink the 'name' and 'isdirective' state out of MCSection into its derived ↵Chris Lattner2009-08-081-33/+44
| | | | | | | | | classes. This totally optimizes PIC16 sections by not having an 'isdirective' bit anymore!! ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78517 91177308-0d34-0410-b5e6-96231b3b80d8
* add new PIC16Section class, this time hopefully not breaking the build :)Chris Lattner2009-08-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78505 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r78501, it doesn't build.Daniel Dunbar2009-08-081-2/+1
| | | | | | | | | --- Reverse-merging r78501 into '.': U lib/Target/PIC16/PIC16TargetObjectFile.cpp D lib/Target/PIC16/PIC16Section.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78503 91177308-0d34-0410-b5e6-96231b3b80d8
* make PIC16 create its own custom MCSection.Chris Lattner2009-08-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78501 91177308-0d34-0410-b5e6-96231b3b80d8
* give pic16 a target-specific section creation name tooChris Lattner2009-08-081-32/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78496 91177308-0d34-0410-b5e6-96231b3b80d8
* sink getOrCreateSection down into all the object file implementations,Chris Lattner2009-08-081-0/+9
| | | | | | | now that they create *all* the sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78494 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix several fixmes and clean up code by sinking *all* sectionChris Lattner2009-08-061-19/+17
| | | | | | | | | | | | | | | | | | creation activity into the target-specific subclasses of TLOF. Before this, globals with explicit sections could be created by the base class. 1. make getOrCreateSection protected, add a new getExplicitSectionGlobal pure virtual method to assign sections to globals with a specified section. 2. eliminate getSpecialCasedSectionGlobals, which is now PIC specific. 3. eliminate the getKindForNamedSection virtual method, which is now just a static method for ELF. 4. Add implementions of getExplicitSectionGlobal for ELF/PECOFF/Darwin/PIC16. They are now all detangled and understandable, woo! :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78319 91177308-0d34-0410-b5e6-96231b3b80d8
* go through PIC16TargetObjectFile to make sections instead of Chris Lattner2009-08-061-2/+13
| | | | | | | creating them directly in the pic16 asmprinter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78317 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a possible crash on delete of an uninitialized variable.Daniel Dunbar2009-08-021-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77846 91177308-0d34-0410-b5e6-96231b3b80d8
* Make SectionKind::get() private.Chris Lattner2009-08-021-12/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77835 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a fixme by sinking various target-specific directives down into Chris Lattner2009-08-011-2/+2
| | | | | | | the appropriate subclasses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77815 91177308-0d34-0410-b5e6-96231b3b80d8
* it turns out that isWeak() was basically dead anyway. Kill off SectionInfo :-/Chris Lattner2009-08-011-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77812 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SectionKind to be a property that is true of a *section*, itChris Lattner2009-08-011-16/+19
| | | | | | | | | | | | | | | | | | | | should have no state that is specific to particular globals in the section. In this case, it means the removal of the "isWeak" and "ExplicitSection" bits. MCSection uses the new form of SectionKind. To handle isWeak, I introduced a new SectionInfo class, which is SectionKind + isWeak, and it is used by the part of the code generator that does classification of a specific global. The ExplicitSection disappears. It is moved onto MCSection as a new "IsDirective" bit. Since the Name of a section is either a section or directive, it makes sense to keep this bit in MCSection. Ultimately the creator of MCSection should canonicalize (e.g.) .text to whatever the actual section is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77803 91177308-0d34-0410-b5e6-96231b3b80d8
* switch off of 'Section' onto MCSection. We're not properly usingChris Lattner2009-07-311-35/+32
| | | | | | | | MCSection subclasses yet, but this is a step in the right direction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77708 91177308-0d34-0410-b5e6-96231b3b80d8
* pass the mangler down into the various SectionForGlobal methods.Chris Lattner2009-07-291-5/+8
| | | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77432 91177308-0d34-0410-b5e6-96231b3b80d8
* Rip all of the global variable lowering logic out of TargetAsmInfo. SinceChris Lattner2009-07-281-0/+401
it is highly specific to the object file that will be generated in the end, this introduces a new TargetLoweringObjectFile interface that is implemented for each of ELF/MachO/COFF/Alpha/PIC16 and XCore. Though still is still a brutal and ugly refactoring, this is a major step towards goodness. This patch also: 1. fixes a bunch of dangling pointer problems in the PIC16 backend. 2. disables the TargetLowering copy ctor which PIC16 was accidentally using. 3. gets us closer to xcore having its own crazy target section flags and pic16 not having to shadow sections with its own objects. 4. fixes wierdness where ELF targets would set CStringSection but not CStringSection_. Factor the code better. 5. fixes some bugs in string lowering on ELF targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77294 91177308-0d34-0410-b5e6-96231b3b80d8
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