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* Don't reserve R2 on Darwin/PPCHal Finkel2013-03-12
| | | | | | | | | | | Now that only the register-scavenger version of the CR spilling code remains, we no longer need the Darwin R2 hack. Darwin can use R0 as a spare register in any case where the System V ABI uses it (R0 is special architecturally, and so is reserved under all common ABIs). A few test cases needed to be updated to reflect the register-allocation changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176868 91177308-0d34-0410-b5e6-96231b3b80d8
* These tests no longer require linear scan because reserved register ↵Jakob Stoklund Olesen2011-04-05
| | | | | | coalescing is now universal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128936 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PowerPC tests to be register allocator independent.Jakob Stoklund Olesen2011-04-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128827 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement builtin_return_address(x) and builtin_frame_address(x) Dale Johannesen2010-05-03
on PPC for x!=0. 7624113. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102972 91177308-0d34-0410-b5e6-96231b3b80d8