llvm/test/CodeGen at acac0ef9e7969b382e4180a75cd188b86fe83c8f - llvm

RPCS3/llvm

mirror of https://github.com/RPCS3/llvm.git synced 2026-08-28 05:10:05 -04:00

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Matt Arsenault acac0ef9e7 AMDGPU: Add pass to replace out arguments

It is better to return arguments directly in registers
if we are making a call rather than introducing expensive
stack usage. In one of sample compile from one of
Blender's many kernel variants, this fires on about
~20 different functions. Future improvements may be to
recognize simple cases where the pointer is indexing a small
array. This also fails when the store to the out argument
is in a separate block from the return, which happens in
a few of the Blender functions. This should also probably
be using MemorySSA which might help with that.

I'm not sure this is correct as a FunctionPass, but
MemoryDependenceAnalysis seems to not work with
a ModulePass.

I'm also not sure where it should run.I think it should
run  before DeadArgumentElimination, so maybe either
EP_CGSCCOptimizerLate or EP_ScalarOptimizerLate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309416 91177308-0d34-0410-b5e6-96231b3b80d8

2017-07-28 18:40:05 +00:00

AArch64

GlobalISel: map 128-bit values to an FPR by default.

2017-07-28 17:11:01 +00:00

AMDGPU

AMDGPU: Add pass to replace out arguments

2017-07-28 18:40:05 +00:00

ARM

[ARM] Add the option to directly access TLS pointer

2017-07-28 12:54:57 +00:00

AVR

[AVR] Remove the instrumentation pass