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4173058d07
Register r12 ('ip') is used by GCC for this purpose
and hence is used here. As discussed on the GCC mailing
list, the register choice is an ABI issue and so
choosing the same register as GCC means
__builtin_call_with_static_chain is compatible.
A similar patch has just gone in the AArch64 backend,
so this is just the ARM counterpart, following the same
discussion.
Patch by Stephen Cross.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241996 91177308-0d34-0410-b5e6-96231b3b80d8