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* "Function"[0] == 'F', not 'M'Chris Lattner2003-10-202-16/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9297 91177308-0d34-0410-b5e6-96231b3b80d8
* Update release notesChris Lattner2003-10-201-21/+10
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* Minor leftover fixups from replaceMachineCodeForFunction () change.Brian Gaeke2003-10-202-2/+3
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* fix file headerChris Lattner2003-10-2010-13/+2
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* fix file headersChris Lattner2003-10-2016-19/+2
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* Fix file headerChris Lattner2003-10-201-3/+1
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* Added copyright header to all C++ source files.John Criswell2003-10-2034-0/+272
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* Made the Requirements information its own major section and moved itJohn Criswell2003-10-201-140/+119
| | | | | | | | | | | between the "Getting Started Quickly" and "Getting Started Slowly" sections. :) Removed some of the nit-picky requirements information (i.e. GNU tar and GNU zip). Attempted to compact the requirements information so that it is less scary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9290 91177308-0d34-0410-b5e6-96231b3b80d8
* Make replaceMachineCodeForFunction() return void.Brian Gaeke2003-10-201-1/+1
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* Make replaceMachineCodeForFunction return void.Brian Gaeke2003-10-202-4/+2
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* Make replaceMachineCodeForFunction return void.Brian Gaeke2003-10-201-4/+6
| | | | | | | Make it assert by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9287 91177308-0d34-0410-b5e6-96231b3b80d8
* Apparently the dependencies are wrong for this file, so it didn't rebuild itChris Lattner2003-10-201-1/+1
| | | | | | | when changing Instruction.def. :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9286 91177308-0d34-0410-b5e6-96231b3b80d8
* Reorder for minor efficiency gainChris Lattner2003-10-201-1/+1
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* Emit x86 instructions for: A = B op C, where A and B are 16-bit registers,Chris Lattner2003-10-203-0/+94
| | | | | | | | | | | | | | | | | | | | | | | C is a constant which can be sign-extended from 8 bits without value loss, and op is one of: add, sub, imul, and, or, xor. This allows the JIT to emit the one byte version of the constant instead of the two or 4 byte version. Because these instructions are very common, this can save a LOT of code space. For example, I sampled two benchmarks, 176.gcc and 254.gap. BM Old New Reduction 176.gcc 2673621 2548962 4.89% 254.gap 498261 475104 4.87% Note that while the percentage is not spectacular, this did eliminate 124.6 _KILOBYTES_ of codespace from gcc. Not bad. Note that this doesn't effect the llc version at all, because the assembler already does this optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9284 91177308-0d34-0410-b5e6-96231b3b80d8
* Hrm, a relic from the past. How cute :)Chris Lattner2003-10-201-1/+1
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* Further cleanups and simplificationsChris Lattner2003-10-202-64/+34
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* Eliminate code for pointer size and endianness emulation.Chris Lattner2003-10-203-314/+41
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* The Grammar Police was here.Misha Brukman2003-10-202-2/+2
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* * Fixed grammar in headerMisha Brukman2003-10-201-4/+5
| | | | | | | * Added description of `mem2reg' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9279 91177308-0d34-0410-b5e6-96231b3b80d8
* * Rename X86::IMULr16 -> X86::IMULrr16Chris Lattner2003-10-206-19/+69
| | | | | | | | * Implement R1 = R2 * C where R1 and R2 are 32 or 16 bits. This avoids an extra copy into a register, reducing register pressure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9278 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't bother forwarding function references which are external to the ↵Chris Lattner2003-10-191-2/+4
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* Ok, return an explicit path to the shared object, unbreaking code generatorChris Lattner2003-10-191-1/+1
| | | | | | | debugging with the JIT git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9273 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix iterator invalidation problemChris Lattner2003-10-191-3/+2
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* Eliminate unused classChris Lattner2003-10-191-5/+0
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* Change the Opcode enum for PHI nodes from "Instruction::PHINode" to ↵Chris Lattner2003-10-1915-22/+22
| | | | | | "Instruction::PHI" to be more consistent with the other instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9269 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the Opcode enum for PHI nodes from "Instruction::PHINode" to ↵Chris Lattner2003-10-191-12/+0
| | | | | | | | | "Instruction::PHI" to be more consistent with the other instructions. This allows removal of a special case from the instvisitor git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9268 91177308-0d34-0410-b5e6-96231b3b80d8
* * Multiplications by 2^X are turned into shifts. This factors code out of theChris Lattner2003-10-192-190/+402
| | | | | | | | | | | | getelementptr code path for use by other code paths (like malloc and alloca). * Optimize comparisons with zero * Generate neg, not, inc, and dec instructions, when possible. This gives some code size wins, which might translate into performance. We'll see tommorow in the nightly tester. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9267 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some new instructions. WheeeChris Lattner2003-10-191-1/+21
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* Change it to match llvmgcc.html ... why do we have separate pages for these two?Brian Gaeke2003-10-191-2/+6
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* Clarify the roles of gccld and gccas.Brian Gaeke2003-10-191-4/+8
| | | | | | | Mention that they should really read the gcc manual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9264 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor edits; also expand description of '-v' option.Brian Gaeke2003-10-191-3/+5
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* Tweak -plugin description to match bugpoint.htmlBrian Gaeke2003-10-191-1/+1
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* Mostly rewritten.Brian Gaeke2003-10-191-17/+60
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* A minor fixChris Lattner2003-10-191-1/+1
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* Take out extra paragraph tag.Brian Gaeke2003-10-191-1/+1
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* Make this (-run) set look like the other (-disable) set.Brian Gaeke2003-10-191-1/+1
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* Always say "the test program", part 2.Brian Gaeke2003-10-191-30/+36
| | | | | | | | | | Refer to the various "modules" of bugpoint as "debuggers", not "debugging modes" or "modules". I think this is more evocative of how they typically act, and it's shorter. Add a note about how a linker bug can crash bugpoint early. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9257 91177308-0d34-0410-b5e6-96231b3b80d8
* Two minor fixesChris Lattner2003-10-191-2/+2
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* Minor edits to Description section.Brian Gaeke2003-10-191-25/+36
| | | | | | | | | | | | Add Design Philosophy as a separate subsection. Clarify its last sentence. Give Automatic Mode Selection a uniquely-named anchor. Always call the program the "test program", instead of the "initial program", the "LLVM program", the "test case", the "resultant module", etc. Try to explain the assumptions a little more, instead of just describing the process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9255 91177308-0d34-0410-b5e6-96231b3b80d8
* Spell-check.Brian Gaeke2003-10-191-39/+47
| | | | | | | | | Many minor edits. Rewrite some of the options section for grammatical parallelism, clarity, and brevity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9254 91177308-0d34-0410-b5e6-96231b3b80d8
* DeHTMLify the email so that it only gets sent out if something changes.Chris Lattner2003-10-191-7/+10
| | | | | | | Add printouts about failed building and testing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9253 91177308-0d34-0410-b5e6-96231b3b80d8
* .string adds an implicit zero at the end. This is not what we wanted.Chris Lattner2003-10-192-2/+2
| | | | | | | This fixes PR#44. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9252 91177308-0d34-0410-b5e6-96231b3b80d8
* Add debugtype, make output marginally more niceChris Lattner2003-10-192-6/+8
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* Fix PR #47Chris Lattner2003-10-192-6/+6
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* Fix bug: Jello/2003-10-18-PHINode-ConstantExpr-CondCode-Failure.llxChris Lattner2003-10-192-18/+42
| | | | | | | This also fixes miscompilation of 176.gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9249 91177308-0d34-0410-b5e6-96231b3b80d8
* New testcase, distilled from 176.gcc codegen failureChris Lattner2003-10-181-0/+29
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* Update compile informationChris Lattner2003-10-181-1/+1
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* Add usage blurbChris Lattner2003-10-181-1/+4
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* Without this option, the -run-llc mode does not work with shared objects atChris Lattner2003-10-182-0/+2
| | | | | | | | all, making it pointless for use with the code generator debugger. With it, it works like a charm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9245 91177308-0d34-0410-b5e6-96231b3b80d8
* Add bugpoint advice sectionChris Lattner2003-10-181-1/+30
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