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* Fix indentation and wrap code at 80 colsMisha Brukman2004-07-221-110/+100
| | | | llvm-svn: 15107
* Sorting is now handled by both linearscan and iterative scan so liveAlkis Evlogimenos2004-07-221-10/+0
| | | | | | | intervals need not be sorted anymore. Removing this redundant step improves LiveIntervals running time by 5% on 176.gcc. llvm-svn: 15106
* Fit to 80 columns.Alkis Evlogimenos2004-07-221-10/+11
| | | | llvm-svn: 15105
* Remove redundant SCCP passChris Lattner2004-07-221-1/+5
| | | | | | | | Add new DSE pass. Add a temporary option to disable it in case we need it This is going in after the July 22 nightly tester run, so we'll wait until the 23rd to see it :) llvm-svn: 15104
* Some compile time improvements resulting in a 1sec speedup in the 5secAlkis Evlogimenos2004-07-221-75/+53
| | | | | | | | | | | compilation of gcc: * Use vectors instead of lists for the intervals sets * Use a heap for the unhandled set to keep intervals always sorted and makes insertions back to the heap very fast (compared to scanning a list) llvm-svn: 15103
* New prototypeChris Lattner2004-07-221-0/+6
| | | | llvm-svn: 15102
* This is a trivial dead store elimination pass. It very very simple andChris Lattner2004-07-221-0/+139
| | | | | | | can be improved in many ways. But: stop laughing, even with -basicaa it deletes 15% of the stores in 252.eon :) llvm-svn: 15101
* Trivial testcase for dseChris Lattner2004-07-221-0/+8
| | | | llvm-svn: 15100
* Clean up reference counting to stop "leaking" alias setsChris Lattner2004-07-222-25/+27
| | | | llvm-svn: 15099
* Remove extraneous punctuationChris Lattner2004-07-221-2/+2
| | | | llvm-svn: 15098
* Update GC intrinsics to take a pointer to the object as well as a pointerChris Lattner2004-07-223-9/+12
| | | | | | to the field being updated. Patch contributed by Tobias Nurmiranta llvm-svn: 15097
* Updates to gc intrinsics, contributed by Tobias NurmirantaChris Lattner2004-07-221-2/+2
| | | | llvm-svn: 15096
* Update documentation for gc intrinsics change. Contributed byChris Lattner2004-07-221-7/+8
| | | | | | Tobias Nurmiranta llvm-svn: 15095
* Update gc intrinsics to take pointer to object as well as pointer to field.Chris Lattner2004-07-221-2/+2
| | | | | | Patch contributed by Tobias Nurmiranta llvm-svn: 15094
* Use reverse iterators when updating the vector, since scanning fromAlkis Evlogimenos2004-07-221-11/+14
| | | | | | the end will reduce erase() runtimes. llvm-svn: 15093
* That funny 2-address lowering pass can also cause multiple definitions,Chris Lattner2004-07-221-8/+18
| | | | | | | fortunately, they are easy to handle if we know about them. This patch fixes some serious pessimization of code produced by the linscan register allocator. llvm-svn: 15092
* Minor cleanupsChris Lattner2004-07-211-8/+6
| | | | llvm-svn: 15091
* Fix cases where we generated horrible code like this:Chris Lattner2004-07-211-1/+7
| | | | | | | | | | | | | | | | | mov %EDI, 12 add %EDI, %ECX mov %ECX, 12 add %ECX, %EDX mov %EDX, 12 add %EDX, %ESI instead (really!) generate this: add %ECX, 12 add %EDX, 12 add %ESI, 12 llvm-svn: 15090
* These files don't need to include <iostream> since they include ↵Brian Gaeke2004-07-2122-23/+0
| | | | | | "Support/Debug.h". llvm-svn: 15089
* Include <iostream> here, because most people using DEBUG() want to use ↵Brian Gaeke2004-07-211-0/+3
| | | | | | | | std::cerr too. This means that users of this file do not also need to include <iostream>. llvm-svn: 15088
* * Add the lost fix to define the second reg of a 2-reg representation of longsMisha Brukman2004-07-212-2/+8
| | | | | | * Fix opcode RLWNM -> RLWINM since it uses an immediate const shift value llvm-svn: 15087
* * Speed up canUseAsImmediateForOpcode() by comparing Operand beforeMisha Brukman2004-07-212-38/+38
| | | | | | | dyn_cast<>ing and checking Constant's value * Convert tabs to spaces llvm-svn: 15086
* * Further cleanup.Chris Lattner2004-07-211-9/+27
| | | | | | | | | | | * Test for whether bits are shifted out during the optzn. If so, the fold is illegal, though it can be handled explicitly for setne/seteq This fixes the miscompilation of 254.gap last night, which was a latent bug exposed by other optimizer improvements. llvm-svn: 15085
* * Fix printing of signed immediate values (Nate Begeman)Misha Brukman2004-07-212-14/+58
| | | | | | | * Fix printing of `zeroinitializer' * Fix printing of `linkonce' globals, complete with stubs llvm-svn: 15084
* * Fix printing of signed immediate valuesMisha Brukman2004-07-212-1006/+854
| | | | | | | | | | | | * Generation of opcodes that take 16 bit immediates * Rewrote multiply to be correct for 64 bit values * Rewrote all the long handling to be correct for PowerPC * Fix visitSelectInst() to define the upper register of the pair of regs representing a long value Patch contributed by Nate Begeman. llvm-svn: 15083
* Make cast-cast code a bit more defensiveChris Lattner2004-07-211-32/+42
| | | | | | "simplify" a bit of code for comparison/and folding llvm-svn: 15082
* Use addSImm() instead of addImm() for stack offsets, which may be negative.Misha Brukman2004-07-211-3/+3
| | | | llvm-svn: 15081
* Reid doesn't need a definite article in front of his name.Misha Brukman2004-07-211-1/+1
| | | | llvm-svn: 15080
* Delete extra space; add <p> tags around text within a <div>Misha Brukman2004-07-211-2/+4
| | | | llvm-svn: 15079
* Fix analysis name.Alkis Evlogimenos2004-07-211-1/+1
| | | | llvm-svn: 15078
* Add SUBI instructionMisha Brukman2004-07-211-0/+1
| | | | llvm-svn: 15077
* Fix spelling of `iterative scan'Misha Brukman2004-07-211-1/+1
| | | | llvm-svn: 15075
* * Uncomment rule for location of LLI (formerly commented out: typo?)Misha Brukman2004-07-211-10/+11
| | | | | | * Add space between VAR and `=' llvm-svn: 15074
* Clear spilled list at once. Remove unused vector.Alkis Evlogimenos2004-07-211-3/+2
| | | | llvm-svn: 15073
* Change std::list into a std::vector for IntervalSets. This reducesAlkis Evlogimenos2004-07-211-4/+5
| | | | | | compile time for 176.gcc from 5.6 secs to 4.7 secs. llvm-svn: 15072
* Add greater_ptr functor.Alkis Evlogimenos2004-07-211-0/+7
| | | | llvm-svn: 15070
* Improve file comment.Alkis Evlogimenos2004-07-211-1/+7
| | | | llvm-svn: 15069
* Add Iterative scan register allocator.Alkis Evlogimenos2004-07-214-4/+488
| | | | llvm-svn: 15068
* Linearscan is no longer experimental.Alkis Evlogimenos2004-07-212-2/+2
| | | | llvm-svn: 15067
* Add capability to remove aliasing aliassets from an ASTChris Lattner2004-07-211-0/+56
| | | | llvm-svn: 15066
* Add a bunch of new functionality, primarily to do with removing aliasingChris Lattner2004-07-211-1/+22
| | | | | | pointers from an AST. llvm-svn: 15065
* Make the AST interface a bit richer by returning whether an insertion causedChris Lattner2004-07-212-29/+49
| | | | | | an insertion or not (because the pointer set already existed). llvm-svn: 15064
* Remove special casing of pointers and treat them generically as integers ofChris Lattner2004-07-211-8/+5
| | | | | | the appopriate size. This gives us the ability to eliminate int -> ptr -> int llvm-svn: 15063
* Do not ignore casts unless they are pointer-pointer casts. This caused usChris Lattner2004-07-211-4/+8
| | | | | | to miscompile the SingleSource/Regression/C++/pointer_member.cpp program. llvm-svn: 15062
* Regenerated using autoconf-2.57.Brian Gaeke2004-07-211-0/+8
| | | | llvm-svn: 15061
* Add AC_MSG_CHECKING and AC_MSG_RESULT statements which were missingBrian Gaeke2004-07-211-0/+4
| | | | | | from two of our custom checks. llvm-svn: 15060
* Regenerated with autoconf/autoheader 2.57Brian Gaeke2004-07-212-0/+62
| | | | llvm-svn: 15059
* Solaris hack for isinf()Brian Gaeke2004-07-211-0/+5
| | | | llvm-svn: 15058
* Add check for finite(). Solaris doesn't have isinf, but it has finite...goBrian Gaeke2004-07-211-0/+4
| | | | | | figure! llvm-svn: 15057
* Emit NaNs and INFs bit-identically to the bytecode file, if the system hasBrian Gaeke2004-07-211-2/+64
| | | | | | | printf("%a") support. Patch contributed by Bill Wendling. llvm-svn: 15056
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