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[PowerPC][MachinePipeliner] Enable pipeliner if hasInstrSchedModel

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P9 is the only one with InstrSchedModel, but we may have more in the
future, we should not hardcoded it to P9, check hasInstrSchedModel
instead.

Reviewed By: hfinkel

Differential Revision: https://reviews.llvm.org/D83590
This commit is contained in:
Jinsong Ji 2020-07-11 02:23:40 +00:00
parent 62ed5d949d
commit 6ef62dfa4a
2 changed files with 9 additions and 4 deletions
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2
lib/Target/PowerPC/PPCSubtarget.cpp
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@ -180,7 +180,7 @@ void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
bool PPCSubtarget::enableMachineScheduler() const { return true; }
bool PPCSubtarget::enableMachinePipeliner() const {
return (CPUDirective == PPC::DIR_PWR9) && EnableMachinePipeliner;
return getSchedModel().hasInstrSchedModel() && EnableMachinePipeliner;
}
bool PPCSubtarget::useDFAforSMS() const { return false; }

11
test/CodeGen/PowerPC/sms-remark.ll
View File

@ -1,14 +1,19 @@
; RUN: llc < %s -ppc-vsr-nums-as-vr -mtriple=powerpc64-unknown-linux-gnu \
; RUN: -verify-machineinstrs -ppc-asm-full-reg-names -mcpu=pwr9 --ppc-enable-pipeliner \
; RUN: -pass-remarks-analysis=pipeliner -pass-remarks=pipeliner -o /dev/null 2>&1 \
; RUN: | FileCheck %s
; RUN: | FileCheck %s --check-prefix=ENABLED
; RUN: llc < %s -ppc-vsr-nums-as-vr -mtriple=powerpc64-unknown-linux-gnu \
; RUN: -verify-machineinstrs -ppc-asm-full-reg-names -mcpu=pwr8 --ppc-enable-pipeliner \
; RUN: -pass-remarks-analysis=pipeliner -pass-remarks=pipeliner -o /dev/null 2>&1 \
; RUN: | FileCheck %s --allow-empty --check-prefix=DISABLED
@x = dso_local local_unnamed_addr global <{ i32, i32, i32, i32, [1020 x i32] }> <{ i32 1, i32 2, i32 3, i32 4, [1020 x i32] zeroinitializer }>, align 4
@y = dso_local global [1024 x i32] zeroinitializer, align 4
define dso_local i32* @foo() local_unnamed_addr {
;CHECK: Schedule found with Initiation Interval
;CHECK: Pipelined succesfully!
;ENABLED: Schedule found with Initiation Interval
;ENABLED: Pipelined succesfully!
;DISABLED-NOT: remark
entry:
%.pre = load i32, i32* getelementptr inbounds ([1024 x i32], [1024 x i32]* @y, i64 0, i64 0), align 4
br label %for.body