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* Add comments.Brian Gaeke2004-05-291-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13898 91177308-0d34-0410-b5e6-96231b3b80d8
* Trim whitespace.Brian Gaeke2004-05-291-11/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13897 91177308-0d34-0410-b5e6-96231b3b80d8
* Give InsertCodeForPhis() a new documentation comment.Brian Gaeke2004-05-291-9/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13896 91177308-0d34-0410-b5e6-96231b3b80d8
* updates to ModuloSchedTanya Lattner2004-05-282-10/+91
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13881 91177308-0d34-0410-b5e6-96231b3b80d8
* Give PhiCp nodes better names in many cases.Brian Gaeke2004-05-281-19/+7
| | | | | | | Simplify InsertPhiElimInstructions(), and give it a better doxygen comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13880 91177308-0d34-0410-b5e6-96231b3b80d8
* Make debugging output with -print-machineinstrs more useful: always print outBrian Gaeke2004-05-281-0/+5
| | | | | | | the transformed LLVM code which is the input to the instruction selector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13879 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the big regression that has been killing the nightly tester these lastChris Lattner2004-05-282-2/+6
| | | | | | | | | few days. Apparently the old symbol table used to auto rename collisions in the type symbol table and the new one does not. It doesn't really make sense for the new one to do so, so we just make the client do it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13877 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor changes. Switch to a SymbolTable remove that does not take linear timeChris Lattner2004-05-282-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13874 91177308-0d34-0410-b5e6-96231b3b80d8
* Make comment lines stick out less.Brian Gaeke2004-05-271-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13858 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR344: the incorrect remove was being used.Chris Lattner2004-05-262-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13790 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding scheduling class.Tanya Lattner2004-05-262-0/+246
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13783 91177308-0d34-0410-b5e6-96231b3b80d8
* Updating my cvs versions. THis is still in progress and much will be changed.Tanya Lattner2004-05-264-157/+299
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13782 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a (not very meaningful) default constructor for AllocInfo objects.Brian Gaeke2004-05-251-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13773 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to SymbolTable's new iteration interface.Reid Spencer2004-05-252-38/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13754 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove use of Type::TypeTy from an assert. It will go away soon.Reid Spencer2004-05-251-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13748 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for accurate garbage collection to the LLVM code generatorsChris Lattner2004-05-234-0/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13696 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some notes to myself, no functional changesChris Lattner2004-05-232-14/+38
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13695 91177308-0d34-0410-b5e6-96231b3b80d8
* minor wording changeChris Lattner2004-05-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13694 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment.Brian Gaeke2004-05-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13643 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix to make the CBE always emit comparisons inline. Hopefully this willChris Lattner2004-05-202-0/+8
| | | | | | | fix the really bad code we're getting on PPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13609 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in outputting branches to constant PCs. Since the PC is supplied asBrian Gaeke2004-05-201-2/+3
| | | | | | | | a full 64-bit address, it must be adjusted to fit in the branch instruction's immediate field. (This is only used in the reoptimizer, for now.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13608 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor simplification: eliminate a dyn_cast.Brian Gaeke2004-05-191-9/+4
| | | | | | | Fix a typo in a debug message. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13607 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't keep track of references to LLVM BasicBlocks while emitting; useBrian Gaeke2004-05-141-11/+9
| | | | | | | MachineBasicBlocks instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13568 91177308-0d34-0410-b5e6-96231b3b80d8
* Support MachineBasicBlock operands on RawFrm instructions.Brian Gaeke2004-05-142-54/+24
| | | | | | | | Get rid of separate numbering for LLVM BasicBlocks; use the automatically generated MachineBasicBlock numbering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13567 91177308-0d34-0410-b5e6-96231b3b80d8
* Generate branch machine instructions with MachineBasicBlock operands instead ofBrian Gaeke2004-05-142-14/+18
| | | | | | | LLVM BasicBlock operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13566 91177308-0d34-0410-b5e6-96231b3b80d8
* Two more improvements for null pointer handling: storing a null pointerChris Lattner2004-05-132-6/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and passing a null pointer into a function. For this testcase: void %test(int** %X) { store int* null, int** %X call void %test(int** null) ret void } we now generate this: test: sub %ESP, 12 mov %EAX, DWORD PTR [%ESP + 16] mov DWORD PTR [%EAX], 0 mov DWORD PTR [%ESP], 0 call test add %ESP, 12 ret instead of this: test: sub %ESP, 12 mov %EAX, DWORD PTR [%ESP + 16] mov %ECX, 0 mov DWORD PTR [%EAX], %ECX mov %EAX, 0 mov DWORD PTR [%ESP], %EAX call test add %ESP, 12 ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13558 91177308-0d34-0410-b5e6-96231b3b80d8
* Second half of my fixed-sized-alloca patch. This folds the LEA to computeChris Lattner2004-05-132-186/+358
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | the alloca address into common operations like loads/stores. In a simple testcase like this (which is just designed to excersize the alloca A, nothing more): int %test(int %X, bool %C) { %A = alloca int store int %X, int* %A store int* %A, int** %G br bool %C, label %T, label %F T: call int %test(int 1, bool false) %V = load int* %A ret int %V F: call int %test(int 123, bool true) %V2 = load int* %A ret int %V2 } We now generate: test: sub %ESP, 12 mov %EAX, DWORD PTR [%ESP + 16] mov %CL, BYTE PTR [%ESP + 20] *** mov DWORD PTR [%ESP + 8], %EAX mov %EAX, OFFSET G lea %EDX, DWORD PTR [%ESP + 8] mov DWORD PTR [%EAX], %EDX test %CL, %CL je .LBB2 # PC rel: F .LBB1: # T mov DWORD PTR [%ESP], 1 mov DWORD PTR [%ESP + 4], 0 call test *** mov %EAX, DWORD PTR [%ESP + 8] add %ESP, 12 ret .LBB2: # F mov DWORD PTR [%ESP], 123 mov DWORD PTR [%ESP + 4], 1 call test *** mov %EAX, DWORD PTR [%ESP + 8] add %ESP, 12 ret Instead of: test: sub %ESP, 20 mov %EAX, DWORD PTR [%ESP + 24] mov %CL, BYTE PTR [%ESP + 28] *** lea %EDX, DWORD PTR [%ESP + 16] *** mov DWORD PTR [%EDX], %EAX mov %EAX, OFFSET G mov DWORD PTR [%EAX], %EDX test %CL, %CL *** mov DWORD PTR [%ESP + 12], %EDX je .LBB2 # PC rel: F .LBB1: # T mov DWORD PTR [%ESP], 1 mov %EAX, 0 mov DWORD PTR [%ESP + 4], %EAX call test *** mov %EAX, DWORD PTR [%ESP + 12] *** mov %EAX, DWORD PTR [%EAX] add %ESP, 20 ret .LBB2: # F mov DWORD PTR [%ESP], 123 mov %EAX, 1 mov DWORD PTR [%ESP + 4], %EAX call test *** mov %EAX, DWORD PTR [%ESP + 12] *** mov %EAX, DWORD PTR [%EAX] add %ESP, 20 ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13557 91177308-0d34-0410-b5e6-96231b3b80d8
* Substantially improve code generation for address exposed locals (aka fixedChris Lattner2004-05-132-128/+202
| | | | | | | | | | | | | | | | | | | | | | | | | | | | sized allocas in the entry block). Instead of generating code like this: entry: reg1024 = ESP+1234 ... (much later) *reg1024 = 17 Generate code that looks like this: entry: (no code generated) ... (much later) t = ESP+1234 *t = 17 The advantage being that we DRAMATICALLY reduce the register pressure for these silly temporaries (they were all being spilled to the stack, resulting in very silly code). This is actually a manual implementation of rematerialization :) I have a patch to fold the alloca address computation into loads & stores, which will make this much better still, but just getting this right took way too much time and I'm sleepy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13554 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass boolean constants into function calls more efficiently, generating:Chris Lattner2004-05-122-2/+14
| | | | | | | | | | | | mov DWORD PTR [%ESP + 4], 1 instead of: mov %EAX, 1 mov DWORD PTR [%ESP + 4], %EAX git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13494 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a fairly serious pessimizaion that was preventing us from efficientlyChris Lattner2004-05-102-4/+6
| | | | | | | | compiling things like 'add long %X, 1'. The problem is that we were switching the order of the operands for longs even though we can't fold them yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13451 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some comments, avoid sign extending booleans when zero extend works fineChris Lattner2004-05-092-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13440 91177308-0d34-0410-b5e6-96231b3b80d8
* Generate more efficient code for casting booleans to integers (no sign ↵Chris Lattner2004-05-092-2/+2
| | | | | | extension required) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13439 91177308-0d34-0410-b5e6-96231b3b80d8
* syntactically loopify natural loops so that the GCC loop optimizer can find ↵Chris Lattner2004-05-092-104/+170
| | | | | | them. This should *dramatically* improve the performance of CBE compiled code on targets that depend on GCC's loop optimizations (like PPC) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13438 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not emit prototypes for setjmp/longjmp, as they are handled speciallyChris Lattner2004-05-092-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13437 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the floating point constant pools local to each function, split theChris Lattner2004-05-092-198/+224
| | | | | | | | FindUsedTypes manipulation stuff out to be a seperate pass, and make the main CWriter be a function pass now! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13435 91177308-0d34-0410-b5e6-96231b3b80d8
* Get this looking more like a function pass.Chris Lattner2004-05-092-64/+66
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13433 91177308-0d34-0410-b5e6-96231b3b80d8
* Print all PHI copies for successor blocks before the terminator, whether it ↵Chris Lattner2004-05-092-20/+46
| | | | | | be a conditional branch or switch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13430 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed CPUResource to allow access to maxnum users.Tanya Lattner2004-05-081-6/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13425 91177308-0d34-0410-b5e6-96231b3b80d8
* Updating my versions of ModuloScheduling in cvs. Still not complete.Tanya Lattner2004-05-084-303/+860
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13424 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for widening integral casts.Brian Gaeke2004-05-084-136/+304
| | | | | | | | | | | | | | | | | | | Flesh out the SetCC support... which currently ends in a little bit of unfinished code (which is probably completely hilarious) for generating the condition value splitting the basic block up into 4 blocks, like this (clearly a better API is needed for this!): BB cond. branch / / R1=1 R2=0 \ / \ / R=phi(R1,R2) Other minor edits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13423 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a bunch more branchesBrian Gaeke2004-05-082-8/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13422 91177308-0d34-0410-b5e6-96231b3b80d8
* Flesh out GEP supportBrian Gaeke2004-05-084-12/+212
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13421 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADD with immediateBrian Gaeke2004-05-082-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13420 91177308-0d34-0410-b5e6-96231b3b80d8
* Add forms of CMP, SUBCC, and a few branches, and some comments.Brian Gaeke2004-05-082-0/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13419 91177308-0d34-0410-b5e6-96231b3b80d8
* Add stub support for GEPs.Brian Gaeke2004-05-084-32/+360
| | | | | | | | | | Add support for branches (based loosely on X86/InstSelectSimple). Add support for not visiting phi nodes in the first pass. Add support for loading bools. Flesh out support for stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13418 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for copying bool constants to registers.Brian Gaeke2004-05-074-32/+144
| | | | | | | | | Disable the code that copies long constants to registers - it looks fishy. Implement some simple casts: integral, smaller than longs, and equal-width or narrowing only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13413 91177308-0d34-0410-b5e6-96231b3b80d8
* Codegen floating point stores of constants into integer instructions. ThisChris Lattner2004-05-072-30/+74
| | | | | | | | | | | | | | | | | | | | allows us to compile: store float 10.0, float* %P into: mov DWORD PTR [%EAX], 1092616192 instead of: .CPItest_0: # float 0x4024000000000000 .long 1092616192 # float 10 ... fld DWORD PTR [.CPItest_0] fstp DWORD PTR [%EAX] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13409 91177308-0d34-0410-b5e6-96231b3b80d8
* Make comparisons against the null pointer as efficient as integer comparisonsChris Lattner2004-05-072-2/+16
| | | | | | | | | | | | | | against zero. In particular, don't emit: mov %ESI, 0 cmp %ECX, %ESI instead, emit: test %ECX, %ECX git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13407 91177308-0d34-0410-b5e6-96231b3b80d8
* Missing piece of fix for Bug 333Brian Gaeke2004-05-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13362 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly mangle function names when they are used as part of aBrian Gaeke2004-05-041-3/+3
| | | | | | | | | | constant pool member's name. This is intended to address Bug 333. Also, fix an anachronistic usage of "M" as a parameter of type Function *. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13357 91177308-0d34-0410-b5e6-96231b3b80d8
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