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| author | Evan Cheng <evan.cheng@apple.com> | 2013-02-11 01:27:15 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2013-02-11 01:27:15 +0000 |
| commit | 092e5e75661fdd5d54a748fb00fab59d21031268 (patch) | |
| tree | d75557bd1edf37b06f7f4fb7b78cf1b341fda12c /lib/IR/Attributes.cpp | |
| parent | 5f352cc6e49d714bd5c14c952aa5c394fc9897bf (diff) | |
Currently, codegen may spent some time in SDISel passes even if an entire
function is successfully handled by fast-isel. That's because function
arguments are *always* handled by SDISel. Introduce FastLowerArguments to
allow each target to provide hook to handle formal argument lowering.
As a proof-of-concept, add ARMFastIsel::FastLowerArguments to handle
functions with 4 or fewer scalar integer (i8, i16, or i32) arguments. It
completely eliminates the need for SDISel for trivial functions.
rdar://13163905
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174855 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/Attributes.cpp')
0 files changed, 0 insertions, 0 deletions