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2004-07-22Clean up reference counting to stop "leaking" alias setsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15099 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-22Remove extraneous punctuationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15098 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-22Update GC intrinsics to take a pointer to the object as well as a pointerChris Lattner
to the field being updated. Patch contributed by Tobias Nurmiranta git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15097 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-22Updates to gc intrinsics, contributed by Tobias NurmirantaChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15096 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-22Use reverse iterators when updating the vector, since scanning fromAlkis Evlogimenos
the end will reduce erase() runtimes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15093 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-22That funny 2-address lowering pass can also cause multiple definitions,Chris Lattner
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15092 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Minor cleanupsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15091 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Fix cases where we generated horrible code like this:Chris Lattner
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15090 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21These files don't need to include <iostream> since they include ↵Brian Gaeke
"Support/Debug.h". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15089 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21* Add the lost fix to define the second reg of a 2-reg representation of longsMisha Brukman
* Fix opcode RLWNM -> RLWINM since it uses an immediate const shift value git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15087 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21* Speed up canUseAsImmediateForOpcode() by comparing Operand beforeMisha Brukman
dyn_cast<>ing and checking Constant's value * Convert tabs to spaces git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15086 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21* Further cleanup.Chris Lattner
* 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15085 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21* Fix printing of signed immediate values (Nate Begeman)Misha Brukman
* Fix printing of `zeroinitializer' * Fix printing of `linkonce' globals, complete with stubs git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15084 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21* Fix printing of signed immediate valuesMisha Brukman
* 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15083 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Make cast-cast code a bit more defensiveChris Lattner
"simplify" a bit of code for comparison/and folding git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15082 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Use addSImm() instead of addImm() for stack offsets, which may be negative.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15081 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Fix analysis name.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15078 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Add SUBI instructionMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15077 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Clear spilled list at once. Remove unused vector.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15073 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Change std::list into a std::vector for IntervalSets. This reducesAlkis Evlogimenos
compile time for 176.gcc from 5.6 secs to 4.7 secs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15072 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Improve file comment.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15069 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Add Iterative scan register allocator.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15068 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Linearscan is no longer experimental.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15067 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Add capability to remove aliasing aliassets from an ASTChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15066 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Make the AST interface a bit richer by returning whether an insertion causedChris Lattner
an insertion or not (because the pointer set already existed). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15064 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Remove special casing of pointers and treat them generically as integers ofChris Lattner
the appopriate size. This gives us the ability to eliminate int -> ptr -> int git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15063 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Do not ignore casts unless they are pointer-pointer casts. This caused usChris Lattner
to miscompile the SingleSource/Regression/C++/pointer_member.cpp program. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15062 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Solaris hack for isinf()Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15058 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Emit NaNs and INFs bit-identically to the bytecode file, if the system hasBrian Gaeke
printf("%a") support. Patch contributed by Bill Wendling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15056 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21Add platform-independent wrapper function for isinf().Brian Gaeke
Patch contributed by Bill Wendling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15050 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Shorts are aligned to 2 bytes, bools to 1 byte (in structs).Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15048 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Treat external variables similarly to those with weak linkage: load indirect.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15047 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Differentiate between global and weak symbol loadsMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15037 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20* Differentiate between global and weak symbol loadsMisha Brukman
* Fix functions that take more than 32 bytes of args * Alignment of doubles in structs is 4 bytes, not 8 * Fix passing long args: rN = hi, rN+1 = lo * Rewrite signed divide * Rewrite Intrinsic::returnaddress Patch courtesy of Nate Begeman. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15036 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Differentiate between global and weak symbol loadsMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15035 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Double alignment in structs is 4 bytes, not 8. Patch by Nate Begeman.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15034 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Add function to clear all virtual->physical mappings but not assignedAlkis Evlogimenos
stack slots. This is in preparation for the iterative linear scan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15032 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Remove unneeded functor. LiveInterval has a < operator.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15031 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Fix a serious code pessimization problem. If an inlined function has a singleChris Lattner
return, clone the 'ret' BB code into the block AFTER the inlined call, not the other way around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15030 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Implement Transforms/InstCombine/IntPtrCast.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15029 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Ignore instructions that are in trivially dead functions. This allows usChris Lattner
to constify 14 globals instead of 4 in a trivial C++ testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15027 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Fix stack frame layout in prologue/epilogue. Patch courtesy of Nate Begeman.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15026 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Implement InstCombine/GEPIdxCanon.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15024 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Implement SimplifyCFG/BrUnwind.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15022 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Move handing of GlobalValues from getReg() to copyConstantToRegister(), thisMisha Brukman
will avoid extra register-to-register copies. Thanks to Chris for the idea. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15019 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20Rewrite cast->cast elimination code completely based on the information weChris Lattner
actually care about. Someday when the cast instruction is gone, we can do better here, but this will do for now. This implements instcombine/cast.ll:test17/18 as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15018 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20* Fn args passed in registers are now recorded as used by the call instructionMisha Brukman
`-> asm printer updated to not print out those registers with the call instr All of Shootout tests now work. Great thanks to Nate Begeman for the patch! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15015 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-20* cFP class split into cFP32 and cFP64Misha Brukman
* Fn args passed in registers are now recorded as used by the call instruction `-> asm printer updated to not print out those registers with the call instr * Stack frame layout in prolog/epilog fixed, spills and vararg fns now work * float/double to signed int codegen now correct * various single precision float codegen bugs fixed * const integer multiply codegen fixed * select and setcc blocks inserted into the correct place in machine CFG * load of integer constant code optimized All of Shootout tests now work. Great thanks to Nate Begeman for the patch! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15014 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-19While I'm at it, don't break codegen of mul by 3,5,9.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15013 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-19Generate better code for multiplies by negative constants like -4, -1, -9, etc.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15012 91177308-0d34-0410-b5e6-96231b3b80d8
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