[llvm] r367297 - [ARM][LowOverheadLoops] Enable by default
Sam Parker via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 30 01:14:28 PDT 2019
Author: sam_parker
Date: Tue Jul 30 01:14:28 2019
New Revision: 367297
URL: http://llvm.org/viewvc/llvm-project?rev=367297&view=rev
Log:
[ARM][LowOverheadLoops] Enable by default
The code is now in a good enough state to pass the bunch of tests that
I have run (after fixing the bugs), so let's enable it by default.
Differential Revision: https://reviews.llvm.org/D65277
Modified:
llvm/trunk/lib/Target/ARM/ARMTargetTransformInfo.cpp
llvm/trunk/test/Transforms/HardwareLoops/ARM/calls-codegen.ll
llvm/trunk/test/Transforms/HardwareLoops/ARM/calls.ll
llvm/trunk/test/Transforms/HardwareLoops/ARM/counter.ll
llvm/trunk/test/Transforms/HardwareLoops/ARM/do-rem.ll
llvm/trunk/test/Transforms/HardwareLoops/ARM/fp-emulation.ll
llvm/trunk/test/Transforms/HardwareLoops/ARM/simple-do.ll
llvm/trunk/test/Transforms/HardwareLoops/ARM/structure.ll
Modified: llvm/trunk/lib/Target/ARM/ARMTargetTransformInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMTargetTransformInfo.cpp?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMTargetTransformInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMTargetTransformInfo.cpp Tue Jul 30 01:14:28 2019
@@ -37,7 +37,7 @@ using namespace llvm;
#define DEBUG_TYPE "armtti"
static cl::opt<bool> DisableLowOverheadLoops(
- "disable-arm-loloops", cl::Hidden, cl::init(true),
+ "disable-arm-loloops", cl::Hidden, cl::init(false),
cl::desc("Disable the generation of low-overhead loops"));
bool ARMTTIImpl::areInlineCompatible(const Function *Caller,
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/calls-codegen.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/calls-codegen.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/calls-codegen.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/calls-codegen.ll Tue Jul 30 01:14:28 2019
@@ -1,4 +1,7 @@
-; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+lob,+mve.fp -disable-arm-loloops=false %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+lob,+mve.fp -disable-arm-loloops=true %s -o - | FileCheck %s --check-prefix=DISABLED
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+lob,+mve.fp %s -o - | FileCheck %s
+
+; DISABLED-NOT: dls lr,
; CHECK-LABEL: test_target_specific:
; CHECK: mov.w lr, #50
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/calls.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/calls.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/calls.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/calls.ll Tue Jul 30 01:14:28 2019
@@ -1,8 +1,11 @@
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MAIN
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fullfp16 -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8,+fullfp16 -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP64
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVE
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve.fp -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVEFP
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MAIN
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fullfp16 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8,+fullfp16 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP64
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVE
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve.fp -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-MVEFP
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=true %s -S -o - | FileCheck %s --check-prefix=DISABLED
+
+; DISABLED-NOT: call i32 @llvm.loop.decrement
; CHECK-LABEL: skip_call
; CHECK-NOT: call void @llvm.set.loop.iterations
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/counter.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/counter.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/counter.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/counter.ll Tue Jul 30 01:14:28 2019
@@ -1,4 +1,4 @@
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -o - | FileCheck %s
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -o - | FileCheck %s
@g = common local_unnamed_addr global i32* null, align 4
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/do-rem.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/do-rem.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/do-rem.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/do-rem.ll Tue Jul 30 01:14:28 2019
@@ -1,4 +1,4 @@
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s
@g = common local_unnamed_addr global i32* null, align 4
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/fp-emulation.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/fp-emulation.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/fp-emulation.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/fp-emulation.ll Tue Jul 30 01:14:28 2019
@@ -1,5 +1,5 @@
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8 -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+soft-float -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SOFT
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+fp-armv8 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+soft-float -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SOFT
; CHECK-LABEL: test_fptosi
; CHECK-SOFT-NOT: call void @llvm.set.loop.iterations
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/simple-do.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/simple-do.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/simple-do.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/simple-do.ll Tue Jul 30 01:14:28 2019
@@ -1,7 +1,6 @@
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s
; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=true %s -S -o - | FileCheck %s --check-prefix=DISABLED
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=-lob -hardware-loops %s -S -o - | FileCheck %s --check-prefix=DISABLED
-; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -disable-arm-loloops=false %s -o - | FileCheck %s --check-prefix=CHECK-LLC
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi %s -o - | FileCheck %s --check-prefix=CHECK-LLC
; DISABLED-NOT: llvm.{{.*}}.loop.iterations
; DISABLED-NOT: llvm.loop.decrement
Modified: llvm/trunk/test/Transforms/HardwareLoops/ARM/structure.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/HardwareLoops/ARM/structure.ll?rev=367297&r1=367296&r2=367297&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/HardwareLoops/ARM/structure.ll (original)
+++ llvm/trunk/test/Transforms/HardwareLoops/ARM/structure.ll Tue Jul 30 01:14:28 2019
@@ -1,6 +1,6 @@
-; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops -disable-arm-loloops=false %s -S -o - | FileCheck %s
-; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -disable-arm-loloops=false %s -o - | FileCheck %s --check-prefix=CHECK-LLC
-; RUN: opt -mtriple=thumbv8.1m.main -loop-unroll -unroll-remainder=false -S < %s | llc -mtriple=thumbv8.1m.main -disable-arm-loloops=false | FileCheck %s --check-prefix=CHECK-UNROLL
+; RUN: opt -mtriple=thumbv8.1m.main-arm-none-eabi -hardware-loops %s -S -o - | FileCheck %s
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi %s -o - | FileCheck %s --check-prefix=CHECK-LLC
+; RUN: opt -mtriple=thumbv8.1m.main -loop-unroll -unroll-remainder=false -S < %s | llc -mtriple=thumbv8.1m.main | FileCheck %s --check-prefix=CHECK-UNROLL
; CHECK-LABEL: early_exit
; CHECK-NOT: llvm.set.loop.iterations
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