Matt Arsenault 7b6c5d28f5 AMDGPU: Don't add emergency stack slot if all spills are SGPR->VGPR ...

This should avoid reporting any stack needs to be allocated in the
case where no stack is truly used. An unused stack slot is still
left around in other cases where there are real stack objects
but no spilling occurs.

llvm-svn: 295891

2017-02-22 22:23:32 +00:00

19 KiB

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