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* Updated version to 1.7cvs.John Criswell2005-11-082-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24244 91177308-0d34-0410-b5e6-96231b3b80d8
* Merged from RELEASE_16.John Criswell2005-11-087-16/+30
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* adjust itfChris Lattner2005-11-081-1/+1
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* Clean up RemoveDeadNodes significantly, by eliminating the need for a temporaryChris Lattner2005-11-081-32/+34
| | | | | | | | | set and eliminating the need to iterate whenever something is removed (which can be really slow in some cases). Thx to Jim for pointing out something silly I was getting stuck on. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24241 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new option to indicate we want the code generator to emit code quickly,Chris Lattner2005-11-083-7/+9
| | | | | | | | not spending tons of time microoptimizing it. This is useful for an -O0 style of build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24235 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new -fast option, which generates code quickly.Chris Lattner2005-11-081-1/+5
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* Add a new option to indicate we want the code generator to emit code ↵Chris Lattner2005-11-0817-41/+24
| | | | | | quickly,not spending tons of time microoptimizing it. This is useful for an -O0style of build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24233 91177308-0d34-0410-b5e6-96231b3b80d8
* Let's try ignoring resource utilization on the backward pass.Jim Laskey2005-11-071-0/+2
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* add support for storing and returning boolsDuraid Madina2005-11-071-5/+26
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* Always compute max align.Chris Lattner2005-11-061-6/+5
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* Change a comment slightlyChris Lattner2005-11-061-2/+4
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* just some random hacking - calls (particularly indirect) need a lot ofDuraid Madina2005-11-061-14/+25
| | | | | | | love (especially with -sched=simple) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24225 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the necessary support to the ISel to allow targets to codegen the newNate Begeman2005-11-064-9/+60
| | | | | | | | | alignment information appropriately. Includes code for PowerPC to support fixed-size allocas with alignment larger than the stack. Support for arbitrarily aligned dynamic allocas coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24224 91177308-0d34-0410-b5e6-96231b3b80d8
* minor clarity changes, no functionality difference.Chris Lattner2005-11-061-2/+2
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* Make sure to initialize the alignment fieldChris Lattner2005-11-061-1/+2
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* document alignment on globals, functions, and allocation instructions.Chris Lattner2005-11-061-29/+102
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* Minor correctionChris Lattner2005-11-061-3/+6
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* don't misencode CC#'sChris Lattner2005-11-062-4/+5
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* encode/decode function alignment in bc filesChris Lattner2005-11-062-24/+30
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* describe extensions to the .bc format for function/global alignmentChris Lattner2005-11-061-5/+69
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* Read/write global variable alignments if presentChris Lattner2005-11-062-6/+37
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* add alignment info for globals and functionsChris Lattner2005-11-061-1/+3
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* print alignment info for globals and functionsChris Lattner2005-11-061-0/+7
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* regenerateChris Lattner2005-11-061-785/+793
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* Allow globals to have an alignment specified. Switch to using isPowerOf2_32Chris Lattner2005-11-061-13/+25
| | | | | | | at Jim's request for the checking code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24210 91177308-0d34-0410-b5e6-96231b3b80d8
* allow functions and modules to have an explicit alignmentChris Lattner2005-11-061-0/+7
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* regenerateChris Lattner2005-11-061-820/+775
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* factor optional alignmentChris Lattner2005-11-061-34/+23
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* ask for 16-byte aligned jmpbufs. This should unbreak C++ on IA64 (andDuraid Madina2005-11-061-1/+2
| | | | | | | | a bunch of other things) but is currently ignored by the code generator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24206 91177308-0d34-0410-b5e6-96231b3b80d8
* enumerate non-standard argument encoding cases, such as alignment info forChris Lattner2005-11-051-10/+34
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* rearrange some info about the instruction encodingChris Lattner2005-11-051-105/+123
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* Write/read allocation instruction alignment info to .bc files.Chris Lattner2005-11-052-8/+21
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* new testcaseChris Lattner2005-11-051-0/+17
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* add an accessorChris Lattner2005-11-051-0/+4
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* verify that alignments are always a power of 2Chris Lattner2005-11-051-0/+2
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* regenerateChris Lattner2005-11-051-164/+176
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* Verify that alignment amounts are a power of 2Chris Lattner2005-11-051-0/+12
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* fix printing the alignment directiveChris Lattner2005-11-051-1/+1
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* Add support alignment of allocation instructions.Nate Begeman2005-11-0513-3294/+2680
| | | | | | | | | | Add support for specifying alignment and size of setjmp jmpbufs. No targets currently do anything with this information, nor is it presrved in the bytecode representation. That's coming up next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24196 91177308-0d34-0410-b5e6-96231b3b80d8
* add a case Nate sent meChris Lattner2005-11-051-0/+23
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* Implement Transforms/TailCallElim/return-undef.ll, a trivial caseChris Lattner2005-11-051-0/+1
| | | | | | | that has been sitting in my inbox since May 18. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24194 91177308-0d34-0410-b5e6-96231b3b80d8
* New testcaseChris Lattner2005-11-051-0/+8
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* Turn sdiv into udiv if both operands have a clear sign bit. This occursChris Lattner2005-11-051-0/+19
| | | | | | | | | | | | | | | | | | a few times in crafty: OLD: %tmp.36 = div int %tmp.35, 8 ; <int> [#uses=1] NEW: %tmp.36 = div uint %tmp.35, 8 ; <uint> [#uses=0] OLD: %tmp.19 = div int %tmp.18, 8 ; <int> [#uses=1] NEW: %tmp.19 = div uint %tmp.18, 8 ; <uint> [#uses=0] OLD: %tmp.117 = div int %tmp.116, 8 ; <int> [#uses=1] NEW: %tmp.117 = div uint %tmp.116, 8 ; <uint> [#uses=0] OLD: %tmp.92 = div int %tmp.91, 8 ; <int> [#uses=1] NEW: %tmp.92 = div uint %tmp.91, 8 ; <uint> [#uses=0] Which all turn into shrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24190 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn srem -> urem when neither input has their sign bit set. This triggersChris Lattner2005-11-051-1/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | 8 times in vortex, allowing the srems to be turned into shrs: OLD: %tmp.104 = rem int %tmp.5.i37, 16 ; <int> [#uses=1] NEW: %tmp.104 = rem uint %tmp.5.i37, 16 ; <uint> [#uses=0] OLD: %tmp.98 = rem int %tmp.5.i24, 16 ; <int> [#uses=1] NEW: %tmp.98 = rem uint %tmp.5.i24, 16 ; <uint> [#uses=0] OLD: %tmp.91 = rem int %tmp.5.i19, 8 ; <int> [#uses=1] NEW: %tmp.91 = rem uint %tmp.5.i19, 8 ; <uint> [#uses=0] OLD: %tmp.88 = rem int %tmp.5.i14, 8 ; <int> [#uses=1] NEW: %tmp.88 = rem uint %tmp.5.i14, 8 ; <uint> [#uses=0] OLD: %tmp.85 = rem int %tmp.5.i9, 1024 ; <int> [#uses=2] NEW: %tmp.85 = rem uint %tmp.5.i9, 1024 ; <uint> [#uses=0] OLD: %tmp.82 = rem int %tmp.5.i, 512 ; <int> [#uses=2] NEW: %tmp.82 = rem uint %tmp.5.i1, 512 ; <uint> [#uses=0] OLD: %tmp.48.i = rem int %tmp.5.i.i161, 4 ; <int> [#uses=1] NEW: %tmp.48.i = rem uint %tmp.5.i.i161, 4 ; <uint> [#uses=0] OLD: %tmp.20.i2 = rem int %tmp.5.i.i, 4 ; <int> [#uses=1] NEW: %tmp.20.i2 = rem uint %tmp.5.i.i, 4 ; <uint> [#uses=0] it also occurs 9 times in gcc, but with odd constant divisors (1009 and 61) so the payoff isn't as great. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24189 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix logic bug in finding retry slot in tally.Jim Laskey2005-11-051-15/+33
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* Fix a warningJim Laskey2005-11-041-0/+1
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* oops, forgot to load GP for indirect calls, though the old code now commentedDuraid Madina2005-11-041-4/+21
| | | | | | | | | | out failed (e.g. methcall) - now the code compiles, though it's not quite right just yet (tm) ;) would fix this but it's 3am! :O git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24186 91177308-0d34-0410-b5e6-96231b3b80d8
* kill redundant SP/GP/RP save/restores across callsDuraid Madina2005-11-041-2/+3
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* add support for loading boolsDuraid Madina2005-11-041-1/+7
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* Scheduling now uses itinerary data.Jim Laskey2005-11-041-166/+201
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