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* Private linkage support for PPC / Darwin.evancheng2009-01-251-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62955 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PPC ISD::Declare isel and eliminate the need for ↵Evan Cheng2009-01-161-0/+19
| | | | | | PPCTargetLowering::LowerGlobalAddress to check if isVerifiedDebugInfoDesc() is true. Given the recent changes, it would falsely return true for a lot of GlobalAddressSDNode's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62373 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the private linkage.Rafael Espindola2009-01-151-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
* this test should not run opt -std-compile-opts, it should run Chris Lattner2009-01-091-114/+40
| | | | | | | just llc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61979 91177308-0d34-0410-b5e6-96231b3b80d8
* rename a file to follow naming conventions.Chris Lattner2009-01-021-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61550 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3149. If an early clobber def is a physical register and it is tied to ↵Evan Cheng2008-12-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | an input operand, it effectively extends the live range of the physical register. Currently we do not have a good way to represent this. 172 %ECX<def> = MOV32rr %reg1039<kill> 180 INLINEASM <es:subl $5,$1 sbbl $3,$0>, 10, %EAX<def>, 14, %ECX<earlyclobber,def>, 9, %EAX<kill>, 36, <fi#0>, 1, %reg0, 0, 9, %ECX<kill>, 36, <fi#1>, 1, %reg0, 0 188 %EAX<def> = MOV32rr %EAX<kill> 196 %ECX<def> = MOV32rr %ECX<kill> 204 %ECX<def> = MOV32rr %ECX<kill> 212 %EAX<def> = MOV32rr %EAX<kill> 220 %EAX<def> = MOV32rr %EAX 228 %reg1039<def> = MOV32rr %ECX<kill> The early clobber operand ties ECX input to the ECX def. The live interval of ECX is represented as this: %reg20,inf = [46,47:1)[174,230:0) 0@174-(230) 1@46-(47) The right way to represent this is something like %reg20,inf = [46,47:2)[174,182:1)[181:230:0) 0@174-(182) 1@181-230 @2@46-(47) Of course that won't work since that means overlapping live ranges defined by two val#. The workaround for now is to add a bit to val# which says the val# is redefined by a early clobber def somewhere. This prevents the move at 228 from being optimized away by SimpleRegisterCoalescing::AdjustCopiesBackFrom. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61259 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix bug 3202.Rafael Espindola2008-12-191-0/+10
| | | | | | | | | The EH_frame and .eh symbols are now private, except for darwin9 and earlier. The patch also fixes the definition of PrivateGlobalPrefix on pcc linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61242 91177308-0d34-0410-b5e6-96231b3b80d8
* We have decided not to support inline asm where an output operand with a ↵Evan Cheng2008-12-161-0/+1
| | | | | | matching input operand with incompatible type (i.e. either one is a floating point and the other is an integer or the sizes of the types differ). SelectionDAGBuild will catch these and exit with an error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61092 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-did 60519. It turns out Darwin's handling of hidden visibility symbols ↵Evan Cheng2008-12-052-0/+21
| | | | | | are a bit more complicate than I expected. Both declarations and weak definitions still need a stub indirection. However, the stubs are in data section and they contain the addresses of the actual symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60571 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a (what appears to be) overly strict assertion. Here is what happened:Evan Cheng2008-12-021-0/+18
| | | | | | | | | | | | 1. ppcf128 select is expanded to f64 select's. 2. f64 select operand 0 is an i1 truncate, it's promoted to i32 zero_extend. 3. f64 select is updated. It's changed back to a "NewNode" and being re-analyzed. 4. f64 select operands are being processed. Operand 0 is a "NewNode". It's being expunged out of ReplacedValues map. 5. ExpungeNode tries to remap f64 select and notice it's a "NewNode" and assert. Duncan, please take a look. Thanks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60443 91177308-0d34-0410-b5e6-96231b3b80d8
* Check that running the DAG combiner between typeDuncan Sands2008-11-261-0/+1
| | | | | | | and operation legalization does something useful. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60108 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove these, which test for optimizations thatDale Johannesen2008-11-172-45/+0
| | | | | | | | are not currently done (cf PowerPC/README.txt). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59456 91177308-0d34-0410-b5e6-96231b3b80d8
* Generated code for generic expansion of SETUGT etc.Dale Johannesen2008-11-081-0/+1
| | | | | | | | | | | is noticeably worse than previous PPC-specific code. Since the latter was also wrong in some cases and correctness is more important than efficiency, I'm disabling this test temporarily while I fix it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58876 91177308-0d34-0410-b5e6-96231b3b80d8
* Xfail an incorrect test.Dale Johannesen2008-11-081-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58875 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ISel ignore dead nodes. The DAGCombiner normally eliminatesDan Gohman2008-11-051-0/+22
| | | | | | | | dead nodes, but in this case its missing one. Fixing the DAGCombiner is desirable, but it's somewhat involved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58777 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3011: LegalizeTypes support for scalarizingDuncan Sands2008-11-041-0/+9
| | | | | | | SELECT_CC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58706 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a bunch of libcalls for ppcf128 that were somehowDuncan Sands2008-10-311-0/+37
| | | | | | | completely forgotten about when writing LegalizeTypes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58508 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR2986.Duncan Sands2008-10-301-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58456 91177308-0d34-0410-b5e6-96231b3b80d8
* add testcase for PR2964Chris Lattner2008-10-291-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58393 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix darwin ppc llvm-gcc build breakage: interceptDuncan Sands2008-10-281-0/+33
| | | | | | | | | | | ppcf128 to i32 conversion and expand it into a code sequence like in LegalizeDAG. This needs custom ppc lowering of FP_ROUND_INREG, so turn that on and make it work with LegalizeTypes. Probably PPC should simply custom lower the original conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58329 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn off LegalizeTypes for this test for theDuncan Sands2008-10-281-1/+1
| | | | | | | moment, while waiting for a proper solution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58324 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a testcase provided by Bill in which the nodeDuncan Sands2008-10-281-0/+11
| | | | | | | | | id could end up being wrong mostly because of forgetting to remap new nodes that morphed into processed nodes through CSE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58323 91177308-0d34-0410-b5e6-96231b3b80d8
* rename vec_spat -> vec_splat, pointed out by duncanChris Lattner2008-10-271-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58260 91177308-0d34-0410-b5e6-96231b3b80d8
* remove eh output from this test.Chris Lattner2008-10-261-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58196 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r57699 with a fix to not crash on asms with multiple results. UnlikeChris Lattner2008-10-181-0/+10
| | | | | | | | | | | | the previous patch this one actually passes make check. "Fix PR2356 on PowerPC: if we have an input and output that are tied together that have different sizes (e.g. i32 and i64) make sure to reserve registers for the bigger operand." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57771 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r57699. It's causing regressions inDan Gohman2008-10-181-11/+0
| | | | | | | | test/CodeGen/X86/2008-09-17-inline-asm-1.ll and a few others, and it breaks the llvm-gcc build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57747 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2356 on PowerPC: if we have an input and output that are tied togetherChris Lattner2008-10-171-0/+11
| | | | | | | | that have different sizes (e.g. i32 and i64) make sure to reserve registers for the bigger operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57699 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR1638.Bill Wendling2008-10-151-0/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57590 91177308-0d34-0410-b5e6-96231b3b80d8
* Split this test and move it into target-specific directories.Dan Gohman2008-10-011-0/+8
| | | | | | | | This fixes failures on configurations that don't have one or the other targets enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56926 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove SelectionDag early allocation of registersDale Johannesen2008-09-241-2/+5
| | | | | | | | | for earlyclobbers. Teach Local RA about earlyclobber, and add some tests for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56592 91177308-0d34-0410-b5e6-96231b3b80d8
* Add trampoline support to PPC. GCC simply calls the "__trampoline_setup"Bill Wendling2008-09-171-0/+166
| | | | | | | function with appropriate parameters. This allows us to support blocks on PPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56267 91177308-0d34-0410-b5e6-96231b3b80d8
* On some targets, non-move instructions can become move instructions because ↵Evan Cheng2008-09-121-0/+254
| | | | | | | | | | | | | of coalescing. e.g. vr2 = OR vr0, vr1 => vr2 = OR vr1, vr1 // after coalescing vr0 with vr1 Update the value# of the destination register with the copy instruction if that happens. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56165 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcases for ppc atomics.Dale Johannesen2008-08-302-0/+1522
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55556 91177308-0d34-0410-b5e6-96231b3b80d8
* In lowering SELECT_CC, removed cases where we can't flip the true and false ↵Mon P Wang2008-08-281-1/+1
| | | | | | when the compare value has a NaN git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55499 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjust grep's for new code sequence.Dale Johannesen2008-08-252-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55320 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a catastrophic PPC64 ABI bug: i32 operands which are passed in memory ↵Evan Cheng2008-07-241-0/+11
| | | | | | (all of the parameter registers are used) are loaded from sp offsets that were off by 4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53979 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new function, ReplaceAllUsesOfValuesWith, which handles bulkDan Gohman2008-07-171-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | replacement of multiple values. This is slightly more efficient than doing multiple ReplaceAllUsesOfValueWith calls, and theoretically could be optimized even further. However, an important property of this new function is that it handles the case where the source value set and destination value set overlap. This makes it feasible for isel to use SelectNodeTo in many very common cases, which is advantageous because SelectNodeTo avoids a temporary node and it doesn't require CSEMap updates for users of values that don't change position. Revamp MorphNodeTo, which is what does all the work of SelectNodeTo, to handle operand lists more efficiently, and to correctly handle a number of corner cases to which its new wider use exposes it. This commit also includes a change to the encoding of post-isel opcodes in SDNodes; now instead of being sandwiched between the target-independent pre-isel opcodes and the target-dependent pre-isel opcodes, post-isel opcodes are now represented as negative values. This makes it possible to test if an opcode is pre-isel or post-isel without having to know the size of the current target's post-isel instruction set. These changes speed up llc overall by 3% and reduce memory usage by 10% on the InstructionCombining.cpp testcase with -fast and -regalloc=local. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53728 91177308-0d34-0410-b5e6-96231b3b80d8
* LegalizeTypes support for what seems to be theDuncan Sands2008-07-171-0/+18
| | | | | | | | only missing ppc long double operations: FNEG and FP_EXTEND. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53723 91177308-0d34-0410-b5e6-96231b3b80d8
* The atomic.cmp.swap promotion logic is wrong: itDuncan Sands2008-07-161-8/+2
| | | | | | | | | | | | | | | | | simply does the atomic.cmp.swap on the larger type, which means it blows away whatever is sitting in the bytes just after the memory location, i.e. causes a buffer overflow. This really requires target specific code, which is why LegalizeTypes doesn't try to handle this case generically. The existing (wrong) code in LegalizeDAG will go away automatically once the type legalization code is removed from LegalizeDAG so I'm leaving it there for the moment. Meanwhile, don't test for this feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53669 91177308-0d34-0410-b5e6-96231b3b80d8
* LegalizeTypes support for fabs on ppc long double.Duncan Sands2008-07-151-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53613 91177308-0d34-0410-b5e6-96231b3b80d8
* LegalizeTypes support for promotion of bswap.Duncan Sands2008-07-151-0/+386
| | | | | | | | | | | | | In LegalizeDAG the value is zero-extended to the new type before byte swapping. It doesn't matter how the extension is done since the new bits are shifted off anyway after the swap, so extend by any old rubbish bits. This results in the final assembler for the testcase being one line shorter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53604 91177308-0d34-0410-b5e6-96231b3b80d8
* LegalizeTypes support for promotion of SIGN_EXTEND_INREG.Duncan Sands2008-07-151-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53603 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an altivec constant miscompilation that Duncan found throughChris Lattner2008-07-101-0/+10
| | | | | | | his work on legalizetypes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53410 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor the tablegen DAGISelEmitter code for outputing calls toDan Gohman2008-07-071-2/+2
| | | | | | | | | | | | | | | | | | getTargetNode and SelectNodeTo to reduce duplication, and to make some of the getTargetNode code available to SelectNodeTo. Use SelectNodeTo instead of getTargetNode in several new interesting cases, as it mutates nodes in place instead of creating new ones. This triggers some scheduling behavior differences due to nodes being presented to the scheduler in a different order. Some of the arbitrary scheduling decisions it makes are now arbitrarily made differently. This is visible in CodeGen/PowerPC/LargeAbsoluteAddr.ll, where a trivial scheduling difference led to a trivial register allocation difference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53203 91177308-0d34-0410-b5e6-96231b3b80d8
* Added MemOperands to Atomic operations since Atomics touches memory.Mon P Wang2008-06-252-10/+10
| | | | | | | | | Added abstract class MemSDNode for any Node that have an associated MemOperand Changed atomic.lcs => atomic.cmp.swap, atomic.las => atomic.load.add, and atomic.lss => atomic.load.sub git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52706 91177308-0d34-0410-b5e6-96231b3b80d8
* This situation can occur:Bill Wendling2008-06-231-0/+25
| | | | | | | | | | | | | | | | | | | | ,------. | | | v | t2 = phi ... t1 ... | | | v | t1 = ... | ... = ... t1 ... | | `------' where there is a use in a PHI node that's a predecessor to the defining block. We don't want to mark all predecessors as having the value "alive" in this case. Also, the assert was too restrictive and didn't handle this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52655 91177308-0d34-0410-b5e6-96231b3b80d8
* Support for load/store of expanded float types. IDuncan Sands2008-06-211-0/+10
| | | | | | | | don't know if a truncating store is possible here, but added support for it anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52577 91177308-0d34-0410-b5e6-96231b3b80d8
* ISD::UNDEF should be expanded recursively / iteratively.Evan Cheng2008-06-191-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52508 91177308-0d34-0410-b5e6-96231b3b80d8
* sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif2008-05-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the last test with .llx extension to .ll, resolve duplicate test by ↵Gabor Greif2008-05-201-1/+1
| | | | | | renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
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