[PATCH] D53562: [ARM] Use the Cortex-A57 sched model for Cortex-A72

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 170821.
samparker added a comment.
Herald added a subscriber: zzheng.

Added the a72 to a couple of scheduling tests, as well as the basic unroll one.


https://reviews.llvm.org/D53562

Files:
  lib/Target/ARM/ARM.td
  test/CodeGen/ARM/cortex-a57-misched-alu.ll
  test/CodeGen/ARM/cortex-a57-misched-basic.ll
  test/Transforms/LoopUnroll/ARM/loop-unrolling.ll


Index: test/Transforms/LoopUnroll/ARM/loop-unrolling.ll
===================================================================
--- test/Transforms/LoopUnroll/ARM/loop-unrolling.ll
+++ test/Transforms/LoopUnroll/ARM/loop-unrolling.ll
@@ -1,5 +1,6 @@
 ; RUN: opt -mtriple=armv7 -mcpu=cortex-a57 -loop-unroll -S %s -o - | FileCheck %s --check-prefix=CHECK-UNROLL-A
 ; RUN: opt -mtriple=thumbv7 -mcpu=cortex-a57 -loop-unroll -S %s -o - | FileCheck %s --check-prefix=CHECK-UNROLL-A
+; RUN: opt -mtriple=thumbv7 -mcpu=cortex-a72 -loop-unroll -S %s -o - | FileCheck %s --check-prefix=CHECK-UNROLL-A
 ; RUN: opt -mtriple=thumbv8m -mcpu=cortex-m23 -loop-unroll -S %s -o - | FileCheck %s --check-prefix=CHECK-UNROLL-T1
 ; RUN: opt -mtriple=thumbv8m.main -mcpu=cortex-m33 -loop-unroll -S %s -o - | FileCheck %s --check-prefix=CHECK-UNROLL-T2
 ; RUN: opt -mtriple=thumbv7em -mcpu=cortex-m7 -loop-unroll -S %s -o - | FileCheck %s --check-prefix=CHECK-UNROLL-T2
Index: test/CodeGen/ARM/cortex-a57-misched-basic.ll
===================================================================
--- test/CodeGen/ARM/cortex-a57-misched-basic.ll
+++ test/CodeGen/ARM/cortex-a57-misched-basic.ll
@@ -1,5 +1,6 @@
 ; REQUIRES: asserts
 ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-a57 -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=A57_SCHED
+; RUN: llc < %s -mtriple=armv8-eabi -mcpu=cortex-a72 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=A57_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-a57.
@@ -35,10 +36,8 @@
 ; GENERIC:    SDIV
 ; A57_SCHED:  SDIV
 ; A57_SCHED:  LDRi12
-; CHECK:      ********** INTERVALS **********
 
 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
-target triple = "armv8r-arm-none-eabi"
 
 ; Function Attrs: norecurse nounwind readnone
 define hidden i32 @foo(i32 %a, i32 %b, i32 %c, i32* %d) local_unnamed_addr #0 {
Index: test/CodeGen/ARM/cortex-a57-misched-alu.ll
===================================================================
--- test/CodeGen/ARM/cortex-a57-misched-alu.ll
+++ test/CodeGen/ARM/cortex-a57-misched-alu.ll
@@ -1,6 +1,7 @@
 ; REQUIRES: asserts
 ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-a57 -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s
 ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-a57 -mattr=+use-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=POST-MISCHED
+; RUN: llc < %s -mtriple=armv8-eabi -mcpu=cortex-a72 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s
 
 ; Check the latency for ALU shifted operand variants.
 ;
Index: lib/Target/ARM/ARM.td
===================================================================
--- lib/Target/ARM/ARM.td
+++ lib/Target/ARM/ARM.td
@@ -1043,10 +1043,11 @@
                                                          FeatureAvoidPartialCPSR,
                                                          FeatureCheapPredicableCPSR]>;
 
-def : ProcNoItin<"cortex-a72",                          [ARMv8a, ProcA72,
+def : ProcessorModel<"cortex-a72", CortexA57Model,      [ARMv8a, ProcA72,
                                                          FeatureHWDivThumb,
                                                          FeatureHWDivARM,
                                                          FeatureCrypto,
+                                                         FeatureUseMISched,
                                                          FeatureCRC]>;
 
 def : ProcNoItin<"cortex-a73",                          [ARMv8a, ProcA73,


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