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2003-10-21Preselection is _not_ a basicblock pass, because it adds global variables toChris Lattner
the module. This change converts it from being a basic block pass to being a simple pass. This allows elimination of the annotation and simplification of the logic for moving constants into global variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9320 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-21Added LLVM copyright notice.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9319 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-21When opcodes like ADD were split into reg. and immed. versions (ADDi and ADDr),Vikram S. Adve
this code wasn't fixed correctly so it missed copy operations that used ADDi. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9318 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-21Why does g++ not even generate a warning when you miss a break statement?Vikram S. Adve
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9317 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-21Implement the new varargs instructions and intrinsics.Vikram S. Adve
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9316 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-21Only fails on the Sparc, only when run via the JIT.Misha Brukman
And yet, it's a failure in the ``LowerSwitch'' pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9315 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM copyright to Makefiles.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9314 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM copyrights to Makefiles.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9313 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM copyright notice to Makefiles.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9312 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Add a new mapChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9311 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Convert this code from using annotations to using a local mapChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9310 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Goodbye, AddRegNumToValuesBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9309 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Removed extraneous comment line.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9308 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Remove using declarationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9307 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20This #include is no longer necessaryChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9306 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM copyright header.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9305 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM copyright header (for lack of a better term).John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9304 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Oops. Typo.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9303 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM header notice.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9302 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Fixed the documentation to coincide with the code.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9301 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM notice.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9300 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Made error message more comprehensible.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9299 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added LLVM project notice to the top of every C++ source file.John Criswell
Header files will be on the way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20"Function"[0] == 'F', not 'M'Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9297 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Update release notesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9296 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Minor leftover fixups from replaceMachineCodeForFunction () change.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9295 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20fix file headerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9294 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20fix file headersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9293 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Fix file headerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9292 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Added copyright header to all C++ source files.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9291 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Made the Requirements information its own major section and moved itJohn Criswell
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
2003-10-20Make replaceMachineCodeForFunction() return void.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9289 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Make replaceMachineCodeForFunction return void.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9288 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Make replaceMachineCodeForFunction return void.Brian Gaeke
Make it assert by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9287 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Apparently the dependencies are wrong for this file, so it didn't rebuild itChris Lattner
when changing Instruction.def. :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9286 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Reorder for minor efficiency gainChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9285 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Emit x86 instructions for: A = B op C, where A and B are 16-bit registers,Chris Lattner
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
2003-10-20Hrm, a relic from the past. How cute :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9283 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Further cleanups and simplificationsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9282 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20Eliminate code for pointer size and endianness emulation.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9281 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20The Grammar Police was here.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9280 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20* Fixed grammar in headerMisha Brukman
* Added description of `mem2reg' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9279 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20* Rename X86::IMULr16 -> X86::IMULrr16Chris Lattner
* 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
2003-10-19Don't bother forwarding function references which are external to the ↵Chris Lattner
program entirely git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9274 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-19Ok, return an explicit path to the shared object, unbreaking code generatorChris Lattner
debugging with the JIT git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9273 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-19Fix iterator invalidation problemChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9272 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-19Eliminate unused classChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9270 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-19Change the Opcode enum for PHI nodes from "Instruction::PHINode" to ↵Chris Lattner
"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
2003-10-19Change the Opcode enum for PHI nodes from "Instruction::PHINode" to ↵Chris Lattner
"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
2003-10-19* Multiplications by 2^X are turned into shifts. This factors code out of theChris Lattner
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
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