Evan Cheng 8ea3f4a592 Add instruction flags: hasExtraSrcRegAllocReq and hasExtraDefRegAllocReq. When ...

set, these flags indicate the instructions source / def operands have special
register allocation requirement that are not captured in their register classes.
Post-allocation passes (e.g. post-alloc scheduler) should not change their
allocations. e.g. ARM::LDRD require the two definitions to be allocated
even / odd register pair.

llvm-svn: 83196

2009-10-01 08:21:18 +00:00

..

llvm

Add instruction flags: hasExtraSrcRegAllocReq and hasExtraDefRegAllocReq. When

2009-10-01 08:21:18 +00:00

llvm-c

Add C API calls for building FNeg operations. Patch by KS Sreeram!

2009-09-28 21:51:41 +00:00