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* OptimalEdgeProfiling: Creation of profiles.Andreas Neustifter2009-09-012-0/+46
| | | | | | | This adds the instrumentation and runtime part of OptimalEdgeProfiling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80712 91177308-0d34-0410-b5e6-96231b3b80d8
* Read Makefile.config before using LLVMGCC.Andreas Neustifter2009-08-281-0/+2
| | | | | | | See http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090824/085828.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80372 91177308-0d34-0410-b5e6-96231b3b80d8
* Another NO_RUNTIME_LIBRARIES tweak...Daniel Dunbar2009-08-281-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80331 91177308-0d34-0410-b5e6-96231b3b80d8
* Tweak NO_RUNTIME_LIBS.Daniel Dunbar2009-08-281-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80330 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't build runtime libraries in an Apple style build.Daniel Dunbar2009-08-271-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80303 91177308-0d34-0410-b5e6-96231b3b80d8
* Add llvm_start_edge_profiling to exported symbols for libprofile_rt.Andreas Neustifter2009-08-241-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79944 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to build .bc version of libprofile if LLVMGCC isn't available.Daniel Dunbar2009-08-201-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79514 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove cruft for installing runtime/ libraries directly into the LLVMGCCDIR;Daniel Dunbar2009-08-202-12/+0
| | | | | | | that is totally bogus. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79512 91177308-0d34-0410-b5e6-96231b3b80d8
* Drop toy GC runtime.Gordon Henriksen2009-03-027-226/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65801 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixing the stack walker.Gordon Henriksen2008-01-241-4/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46302 91177308-0d34-0410-b5e6-96231b3b80d8
* With this patch, the LowerGC transformation becomes theGordon Henriksen2008-01-071-15/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ShadowStackCollector, which additionally has reduced overhead with no sacrifice in portability. Considering a function @fun with 8 loop-local roots, ShadowStackCollector introduces the following overhead (x86): ; shadowstack prologue movl L_llvm_gc_root_chain$non_lazy_ptr, %eax movl (%eax), %ecx movl $___gc_fun, 20(%esp) movl $0, 24(%esp) movl $0, 28(%esp) movl $0, 32(%esp) movl $0, 36(%esp) movl $0, 40(%esp) movl $0, 44(%esp) movl $0, 48(%esp) movl $0, 52(%esp) movl %ecx, 16(%esp) leal 16(%esp), %ecx movl %ecx, (%eax) ; shadowstack loop overhead (none) ; shadowstack epilogue movl 48(%esp), %edx movl %edx, (%ecx) ; shadowstack metadata .align 3 ___gc_fun: # __gc_fun .long 8 .space 4 In comparison to LowerGC: ; lowergc prologue movl L_llvm_gc_root_chain$non_lazy_ptr, %eax movl (%eax), %ecx movl %ecx, 48(%esp) movl $8, 52(%esp) movl $0, 60(%esp) movl $0, 56(%esp) movl $0, 68(%esp) movl $0, 64(%esp) movl $0, 76(%esp) movl $0, 72(%esp) movl $0, 84(%esp) movl $0, 80(%esp) movl $0, 92(%esp) movl $0, 88(%esp) movl $0, 100(%esp) movl $0, 96(%esp) movl $0, 108(%esp) movl $0, 104(%esp) movl $0, 116(%esp) movl $0, 112(%esp) ; lowergc loop overhead leal 44(%esp), %eax movl %eax, 56(%esp) leal 40(%esp), %eax movl %eax, 64(%esp) leal 36(%esp), %eax movl %eax, 72(%esp) leal 32(%esp), %eax movl %eax, 80(%esp) leal 28(%esp), %eax movl %eax, 88(%esp) leal 24(%esp), %eax movl %eax, 96(%esp) leal 20(%esp), %eax movl %eax, 104(%esp) leal 16(%esp), %eax movl %eax, 112(%esp) ; lowergc epilogue movl 48(%esp), %edx movl %edx, (%ecx) ; lowergc metadata (none) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45670 91177308-0d34-0410-b5e6-96231b3b80d8
* remove attribution from a variety of miscellaneous files.Chris Lattner2007-12-298-16/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45425 91177308-0d34-0410-b5e6-96231b3b80d8
* remove attributions from the rest of the llvm makefiles.Chris Lattner2007-12-294-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45416 91177308-0d34-0410-b5e6-96231b3b80d8
* GarbageCollection.html is expanded to encompass the comingGordon Henriksen2007-09-271-0/+5
| | | | | | | capabilities. This is a major rewrite and is easier to read en toto rather than patchwise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42414 91177308-0d34-0410-b5e6-96231b3b80d8
* Reenable libgc and libprofile is explicitly requested.Chris Lattner2007-09-111-9/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41851 91177308-0d34-0410-b5e6-96231b3b80d8
* remove an obsolete library.Chris Lattner2007-09-113-165/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41850 91177308-0d34-0410-b5e6-96231b3b80d8
* Dror GCCLibraries: they are obsolete since 2.0 release. This also reduces ↵Anton Korobeynikov2007-08-2117-1455/+1
| | | | | | number of licenses used in LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41257 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not necessary to do rounding for alloca operations when the requestedDan Gohman2007-07-1834-0/+2252
alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
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