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* remove attributions from tools/utils makefiles.Chris Lattner2007-12-2928-56/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45414 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attribute in file headers anymore. See llvmdev for theChris Lattner2007-12-29253-506/+506
| | | | | | | | discussion of this change. Boy are my fingers tired. ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attribute in file headers anymore. See llvmdev for the Chris Lattner2007-12-292-30/+12
| | | | | | | discussion of this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45409 91177308-0d34-0410-b5e6-96231b3b80d8
* this is done.Chris Lattner2007-12-291-7/+0
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* One readme entry is done, one is really easy (Evan, want to investigateChris Lattner2007-12-292-77/+35
| | | | | | | | | eliminating the llvm.x86.sse2.loadl.pd intrinsic?), one shuffle optzn may be done (if shufps is better than pinsw, Evan, please review), and we already know about LICM of simple instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45407 91177308-0d34-0410-b5e6-96231b3b80d8
* upgrade this testChris Lattner2007-12-291-8/+9
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* Fold comparisons against a constant nan, and optimize ORD/UNORD Chris Lattner2007-12-293-17/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | comparisons with a constant. This allows us to compile isnan to: _foo: fcmpu cr7, f1, f1 mfcr r2 rlwinm r3, r2, 0, 31, 31 blr instead of: LCPI1_0: ; float .space 4 _foo: lis r2, ha16(LCPI1_0) lfs f0, lo16(LCPI1_0)(r2) fcmpu cr7, f1, f0 mfcr r2 rlwinm r3, r2, 0, 31, 31 blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45405 91177308-0d34-0410-b5e6-96231b3b80d8
* this xform is implemented.Chris Lattner2007-12-292-22/+9
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* Disable null pointer folding transforms for non-generic address spaces. This ↵Christopher Lamb2007-12-292-4/+12
| | | | | | should probably be a target-specific predicate based on address space. That way for targets where this isn't applicable the predicate can be optimized away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45403 91177308-0d34-0410-b5e6-96231b3b80d8
* make sure not to zap volatile stores, thanks a lot to Dale for noticing this!Chris Lattner2007-12-291-1/+2
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* Codegen:Chris Lattner2007-12-292-4/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | as: _bar: pushl %esi subl $8, %esp movl 16(%esp), %esi call L_foo$stub fstps (%esi) addl $8, %esp popl %esi #FP_REG_KILL ret instead of: _bar: pushl %esi subl $8, %esp movl 16(%esp), %esi call L_foo$stub fstpl (%esi) cvtsd2ss (%esi), %xmm0 movss %xmm0, (%esi) addl $8, %esp popl %esi #FP_REG_KILL ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45401 91177308-0d34-0410-b5e6-96231b3b80d8
* don't fold fp_round(fp_extend(load)) -> fp_round(extload)Chris Lattner2007-12-291-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45400 91177308-0d34-0410-b5e6-96231b3b80d8
* avoid going through a stack slot to convert from fpstack to xmm regChris Lattner2007-12-293-29/+54
| | | | | | | | | | | if we are just going to store it back anyway. This improves things like: double foo(); void bar(double *P) { *P = foo(); } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45399 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete a store whose input is a load from the same pointer:Chris Lattner2007-12-291-1/+12
| | | | | | | | x = load p store x -> p git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45398 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2007-12-291-1/+41
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* expand note.Chris Lattner2007-12-291-0/+4
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* dead calls to llvm.stacksave can be deleted, even though theyChris Lattner2007-12-292-1/+20
| | | | | | | have potential side-effects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45392 91177308-0d34-0410-b5e6-96231b3b80d8
* upgrade this testChris Lattner2007-12-291-11/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45391 91177308-0d34-0410-b5e6-96231b3b80d8
* Test -simplifycfg only.Devang Patel2007-12-281-46/+23
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* add a note.Chris Lattner2007-12-281-0/+32
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* add a note.Chris Lattner2007-12-281-0/+32
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* Add a testcase for my recent InstCombine fix, written by Nicholas.Owen Anderson2007-12-281-0/+89
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* Repair a transform that Chris noticed a bug in. Thanks to Nicholas for ↵Owen Anderson2007-12-281-5/+12
| | | | | | pointing out my stupid mistakes when writing this patch. :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45384 91177308-0d34-0410-b5e6-96231b3b80d8
* disable this instcombine xform, it miscompiles:Chris Lattner2007-12-281-0/+2
| | | | | | | | | | | | | | | | | | | | | define i32 @main() { entry: %z = alloca i32 ; <i32*> [#uses=2] store i32 0, i32* %z %tmp = load i32* %z ; <i32> [#uses=1] %sub = sub i32 %tmp, 1 ; <i32> [#uses=1] %cmp = icmp ult i32 %sub, 0 ; <i1> [#uses=1] %retval = select i1 %cmp, i32 1, i32 0 ; <i32> [#uses=1] ret i32 %retval } into ret 1, instead of ret 0. Christopher, please investigate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45383 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2007-12-281-0/+19
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* Ignore functions with internal linkages during linking. This snipped mimics theAnton Korobeynikov2007-12-271-0/+3
| | | | | | | behaviour of LinkGlobals() function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45375 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding bindings for target triple and data layout.Gordon Henriksen2007-12-276-0/+98
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* Switch the bindings to use LLVMFoldingBuilder.Gordon Henriksen2007-12-272-9/+9
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* Adding an uninitialized builder constructor to the Ocaml bindings.Gordon Henriksen2007-12-263-9/+22
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* one fewer uncond branch with my codegenprepare hack for single-mbb backedges.Chris Lattner2007-12-261-1/+1
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* Tests for changes made in r45356, where IPO optimizations would dropGordon Henriksen2007-12-262-0/+35
| | | | | | | collector algorithms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45357 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixing several transforms which would drop the collector attributeGordon Henriksen2007-12-255-0/+15
| | | | | | when copying functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45356 91177308-0d34-0410-b5e6-96231b3b80d8
* update to llvm 2.0 syntax.Chris Lattner2007-12-251-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45355 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't break critical edges for single-bb loops, this helps with PR1877, thoughChris Lattner2007-12-251-3/+1
| | | | | | | | | | | | it is only a partial fix. This change is noise for most programs, but speeds up Shootout-C++/matrix by 20%, Ptrdist/ks by 24%, smg2000 by 8%, hexxagon by 9%, bzip2 by 9% (not sure I trust this), ackerman by 13%, etc. OTOH, it slows down Shootout/fib2 by 40% (I'll update PR1877 with this info). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45354 91177308-0d34-0410-b5e6-96231b3b80d8
* Actually parse q operation in llvm-arSeo Sanghyeon2007-12-251-0/+1
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* Disabling -g for ocaml builds; it's not downwards compatible.Gordon Henriksen2007-12-251-3/+4
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* GC poses hazards to the inliner. Consider:Gordon Henriksen2007-12-253-0/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | define void @f() { ... call i32 @g() ... } define void @g() { ... } The hazards are: - @f and @g have GC, but they differ GC. Inlining is invalid. This may never occur. - @f has no GC, but @g does. g's GC must be propagated to @f. The other scenarios are safe: - @f and @g have the same GC. - @f and @g have no GC. - @g has no GC. This patch adds inliner checks for the former two scenarios. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45351 91177308-0d34-0410-b5e6-96231b3b80d8
* Noting and enforcing that GC intrinsics are valid only within aGordon Henriksen2007-12-254-33/+56
| | | | | | | | | | function with GC. This will catch the error when the inliner inlines a function with GC into a caller with no GC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45350 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjusting verification of "llvm.gc*" intrinsic prototypes to matchGordon Henriksen2007-12-255-27/+82
| | | | | | | LangRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45349 91177308-0d34-0410-b5e6-96231b3b80d8
* Flesh out the Briggs implementation a little bit more, fix a few FIXMEs.Owen Anderson2007-12-241-11/+35
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* add a -backedge-hack llc-beta option to codegenprepare.Chris Lattner2007-12-241-2/+10
| | | | | | | | | When specified, don't split backedges of single-bb loops. This helps address PR1877 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45344 91177308-0d34-0410-b5e6-96231b3b80d8
* add a simple hackChris Lattner2007-12-241-0/+12
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* Cygwin defines uint32_t as unsigned long. Unbreak call to std::min in this caseAnton Korobeynikov2007-12-241-1/+1
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* Added special support for stripping CRLF characters that may appear in theTed Kremenek2007-12-241-2/+4
| | | | | | | output of nm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45341 91177308-0d34-0410-b5e6-96231b3b80d8
* Setting GlobalDirective in TargetAsmInfo by default rather thanGordon Henriksen2007-12-232-2/+1
| | | | | | | | providing a misleading facility. It's used once in the MIPS backend and hardcoded as "\t.globl\t" everywhere else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45338 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of an unneeded #include.Owen Anderson2007-12-231-1/+3
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* Fix some Ocaml GC errors noticed upon review.Gordon Henriksen2007-12-231-13/+23
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* C and Ocaml bindings for ExecutionEngine (i.e., the JIT compiler).Gordon Henriksen2007-12-2312-12/+1031
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* Sketch out an implementation of Briggs' copy placement algorithm.Owen Anderson2007-12-231-10/+104
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* Add GraphTraits specializations for machine dominators.Owen Anderson2007-12-231-0/+27
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