From 5b4db77b13525458d970c6bd85d726ba2f48da5a Mon Sep 17 00:00:00 2001 From: Valery Pykhtin Date: Wed, 5 Dec 2018 15:21:17 +0000 Subject: [PATCH] [AMDGPU]: Turn on the DPP combiner by default Differential revision: https://reviews.llvm.org/D55314 llvm-svn: 348371 --- llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp | 2 +- llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp index 4d26571..070827e 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp @@ -109,7 +109,7 @@ static cl::opt EnableSDWAPeephole( static cl::opt EnableDPPCombine( "amdgpu-dpp-combine", cl::desc("Enable DPP combiner"), - cl::init(false)); + cl::init(true)); // Enable address space based alias analysis static cl::opt EnableAMDGPUAliasAnalysis("enable-amdgpu-aa", cl::Hidden, diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll index 9fe0c0f..18abf60 100644 --- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll +++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll @@ -1,5 +1,5 @@ -; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefix=VI -check-prefix=VI-OPT %s -; RUN: llc -O0 -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefix=VI -check-prefix=VI-NOOPT %s +; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-dpp-combine=false -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefix=VI -check-prefix=VI-OPT %s +; RUN: llc -O0 -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-dpp-combine=false -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefix=VI -check-prefix=VI-NOOPT %s ; VI-LABEL: {{^}}dpp_test: ; VI: v_mov_b32_e32 v0, s{{[0-9]+}} -- 2.7.4