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[ARM] Enable misched for R52. 

Back when the R52 schedule was added in rL286949, there was no way
to enable machine schedules in ARM for specific cores. Since then a
target feature has been added. This enables the feature for R52,
removing the need to manually specify compiler flags.

llvm-svn: 331027
This commit is contained in:
David Green 2018-04-27 11:29:49 +00:00
parent 4700faa28e
commit c4cccea4c9
2 changed files with 2 additions and 1 deletions
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1
llvm/lib/Target/ARM/ARM.td
View File

@ -999,6 +999,7 @@ def : ProcNoItin<"kryo", [ARMv8a, ProcKryo,
FeatureCRC]>;
def : ProcessorModel<"cortex-r52", CortexR52Model, [ARMv8r, ProcR52,
FeatureUseMISched,
FeatureFPAO]>;
//===----------------------------------------------------------------------===//

2
llvm/test/CodeGen/ARM/cortexr52-misched-basic.ll
View File

@ -1,5 +1,5 @@
; REQUIRES: asserts
; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-r52 -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=R52_SCHED
; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-r52 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=R52_SCHED
; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=generic -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
;
; Check the latency for instructions for both generic and cortex-r52.