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[ARM] Add comment explaining stack frame layout

Authored by ostannard on Mar 9 2021, 6:41 AM.

Description

[ARM] Add comment explaining stack frame layout

Add a comment explaining how we lay out stack frames for ARM targets,
based on the existing one for AArch64. Also expand the comment to
explain reserved call frames for both architectures.

Differential revision: https://reviews.llvm.org/D98258

Details

Committed
ostannardMar 9 2021, 7:20 AM
Differential Revision
D98258: [ARM] Add comment explaining stack frame layout
Parents
rG272bcd0eeff5: [clang][sema][NFC] Remove a superfluous semicolon
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