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* If there are multiple register classes that a register belongs to, return ↵Evan Cheng2008-03-111-4/+27
| | | | | | the super-class (e.g. on x86, returns GR32, not GR32_). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48220 91177308-0d34-0410-b5e6-96231b3b80d8
* When the register allocator runs out of registers, spill a physical register ↵Evan Cheng2008-03-117-14/+192
| | | | | | around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
* In 32-bit mode, mark 64-bit GPR's as unallocatable.Evan Cheng2008-03-111-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48217 91177308-0d34-0410-b5e6-96231b3b80d8
* Some LegalizeTypes code factorization and minorDuncan Sands2008-03-115-56/+113
| | | | | | | enhancements. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48215 91177308-0d34-0410-b5e6-96231b3b80d8
* compile: double test() {}Chris Lattner2008-03-111-1/+3
| | | | | | | | | | | | | | | | | | | | | | into: _test: fldz ret instead of: _test: subl $12, %esp #IMPLICIT_DEF %xmm0 movsd %xmm0, (%esp) fldl (%esp) addl $12, %esp ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48213 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the build on gcc 4.2.Nick Lewycky2008-03-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48212 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial multiple return values support.Devang Patel2008-03-111-19/+95
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48210 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the model for FP Stack return to use fp operands on the Chris Lattner2008-03-114-34/+162
| | | | | | | | RET instruction instead of using FpSET_ST0_32. This also generalizes the code to handling returning of multiple FP results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48209 91177308-0d34-0410-b5e6-96231b3b80d8
* variadic instructions don't have operand info for variadic arguments.Chris Lattner2008-03-111-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48208 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize ExpandIntToFP to handle the case where the operand is legalDan Gohman2008-03-112-11/+26
| | | | | | | | | and it's the result that requires expansion. This code is a little confusing because the TargetLoweringInfo tables for [US]INT_TO_FP use the operand type (the integer type) rather than the result type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48206 91177308-0d34-0410-b5e6-96231b3b80d8
* If a register operand comes from the variadic part of a node, don'tChris Lattner2008-03-111-4/+6
| | | | | | | | verify the register constraint matches what the instruction expects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48205 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert 48175.Evan Cheng2008-03-111-7/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48204 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix thinko: alias always defines new symbol. Even is aliasee itself is ↵Anton Korobeynikov2008-03-112-11/+4
| | | | | | undefined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48203 91177308-0d34-0410-b5e6-96231b3b80d8
* More APInt-ification.Dan Gohman2008-03-111-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48201 91177308-0d34-0410-b5e6-96231b3b80d8
* abort with an assert instead of a cerr to get line#Chris Lattner2008-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48199 91177308-0d34-0410-b5e6-96231b3b80d8
* Use utostr instead of a stringstream.Dan Gohman2008-03-101-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48198 91177308-0d34-0410-b5e6-96231b3b80d8
* - Style cleanup in IA64ISelLowering.h: add 'virtual' keyword for consistency.Scott Michel2008-03-102-10/+10
| | | | | | | | - Add test pattern matching in CellSPU's icmp32.ll test harness - Fix CellSPU fcmp.ll-generated assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48197 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly clone FlaggedNodes.Dan Gohman2008-03-101-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48196 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize ArgTypes directly instead of manually copying in the elements.Dan Gohman2008-03-101-4/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48195 91177308-0d34-0410-b5e6-96231b3b80d8
* APInt-ify this.Dan Gohman2008-03-101-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48194 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an unnecessary #includeDan Gohman2008-03-101-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48193 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't emit FP_REG_KILL into a block that just returns. NothingChris Lattner2008-03-101-6/+19
| | | | | | | can be live out of the block anyway, so it isn't needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48192 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement more support for fp-to-i128 and i128-to-fp conversions. Dan Gohman2008-03-102-80/+133
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48189 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable prolog code that aligns the stack when aDale Johannesen2008-03-101-7/+17
| | | | | | | | | | | | | | | | local object of >16 byte alignment exists. It does not work and getting it to work is not trivial, as explained in the comment. This fixes all the remaining ppc32 failures in the struct-layout-1 part of the gcc testsuite. (gcc does not support this either, and the only way to get such an object is with __attribute__((aligned)) or generic vectors; it can't be done in a standard-conforming program, or with Altivec. So I think disabling it is OK.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48188 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the "enable/disable" mechanism so that we can enable PPC registerBill Wendling2008-03-103-58/+77
| | | | | | | scavenging for 32-bit and 64-bit separately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48186 91177308-0d34-0410-b5e6-96231b3b80d8
* Add sanity checksAnton Korobeynikov2008-03-101-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48184 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo: 'function' => 'alias'Anton Korobeynikov2008-03-101-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48183 91177308-0d34-0410-b5e6-96231b3b80d8
* Syntactic sugar'ify stuff :)Anton Korobeynikov2008-03-101-15/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48182 91177308-0d34-0410-b5e6-96231b3b80d8
* Always run 'make check' :) Fix fallout from prev. commit: query for possibleAnton Korobeynikov2008-03-101-1/+1
| | | | | | | alias destination only if we don't have anything to link to git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48181 91177308-0d34-0410-b5e6-96231b3b80d8
* Make error messages to have common styleAnton Korobeynikov2008-03-101-18/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48180 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly link globals with aliasesAnton Korobeynikov2008-03-101-20/+41
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48179 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the LinkGlobal weirderness in common linking phase.Anton Korobeynikov2008-03-101-33/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48177 91177308-0d34-0410-b5e6-96231b3b80d8
* TypoAnton Korobeynikov2008-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48176 91177308-0d34-0410-b5e6-96231b3b80d8
* If the register allocator ran out of registers, just abort for now.Evan Cheng2008-03-101-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48175 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate the FP_GET_ST0/FP_SET_ST0 target-specific dag nodes, just lower to Chris Lattner2008-03-104-84/+42
| | | | | | | | copyfromreg/copytoreg instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48174 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix mul expansion to check the correct number of bits forDan Gohman2008-03-101-4/+3
| | | | | | | | zero extension when checking if an unsigned multiply is safe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48171 91177308-0d34-0410-b5e6-96231b3b80d8
* Somewhat better solution.Evan Cheng2008-03-101-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48170 91177308-0d34-0410-b5e6-96231b3b80d8
* Default ISD::PREFETCH to expand.Evan Cheng2008-03-109-9/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48169 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 48125, 48126, and 48130 for now to unbreak some x86-64 tests.Evan Cheng2008-03-1010-82/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48167 91177308-0d34-0410-b5e6-96231b3b80d8
* fix 80 col violations.Chris Lattner2008-03-101-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48166 91177308-0d34-0410-b5e6-96231b3b80d8
* Restore optimization that merges blocks when inline function Devang Patel2008-03-101-6/+24
| | | | | | | has single return value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48162 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyDevang Patel2008-03-101-18/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48161 91177308-0d34-0410-b5e6-96231b3b80d8
* simplifyDevang Patel2008-03-101-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48160 91177308-0d34-0410-b5e6-96231b3b80d8
* Stylistic modifications. No functionality changes.Nicolas Geoffray2008-03-101-44/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48158 91177308-0d34-0410-b5e6-96231b3b80d8
* Integer comparison tests for CellSPU.Scott Michel2008-03-104-75/+182
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48152 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix formatting.Duncan Sands2008-03-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48151 91177308-0d34-0410-b5e6-96231b3b80d8
* Give TargetLowering::getSetCCResultType() a parameter so that ISD::SETCC'sScott Michel2008-03-1017-55/+111
| | | | | | | | | return ValueType can depend its operands' ValueType. This is a cosmetic change, no functionality impacted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48145 91177308-0d34-0410-b5e6-96231b3b80d8
* Add description of individual bits in CR. This fix PR1765.Nicolas Geoffray2008-03-105-38/+152
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48143 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor cleanup. No functionality change.Bill Wendling2008-03-101-6/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48142 91177308-0d34-0410-b5e6-96231b3b80d8
* - Fix a subtle bug in RemoveCopyByCommutingDef. ALR is the live range where ↵Evan Cheng2008-03-102-7/+56
| | | | | | | | | | | | | | | | | | | the source is defined; BLR is the live range which is defined by the copy. If ALR and BLR overlaps and end of BLR extends beyond end of ALR, e.g. A = or A, B ... B = A ... C = A<kill> ... = B then do not add kills of A to the newly created B interval. - Also fix some kill info update bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48141 91177308-0d34-0410-b5e6-96231b3b80d8
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