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[NewPM][AMDGPU] Run InternalizePass when -amdgpu-internalize-symbols

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The legacy PM doesn't run EP_ModuleOptimizerEarly on -O0, so skip
running it here when given O0.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D93886
This commit is contained in:
Arthur Eubanks 2020-12-28 20:32:58 -08:00
parent 9ea160d01c
commit b6b5ea5b82
2 changed files with 16 additions and 1 deletions
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13
lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
View File

@ -51,6 +51,8 @@
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/IPO/AlwaysInliner.h"
#include "llvm/Transforms/IPO/GlobalDCE.h"
#include "llvm/Transforms/IPO/Internalize.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Scalar/GVN.h"
@ -525,6 +527,17 @@ void AMDGPUTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB,
PM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
});
PB.registerPipelineEarlySimplificationEPCallback(
[](ModulePassManager &PM, PassBuilder::OptimizationLevel Level) {
if (Level == PassBuilder::OptimizationLevel::O0)
return;
if (InternalizeSymbols) {
PM.addPass(InternalizePass(mustPreserveGV));
PM.addPass(GlobalDCEPass());
}
});
PB.registerCGSCCOptimizerLateEPCallback(
[this, DebugPassManager](CGSCCPassManager &PM,
PassBuilder::OptimizationLevel Level) {

4
test/CodeGen/AMDGPU/internalize.ll
View File

@ -1,5 +1,7 @@
; RUN: opt -O1 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
; RUN: opt -O0 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPTNONE %s
; RUN: opt -passes='default<O0>' -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPTNONE %s
; RUN: opt -O1 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
; RUN: opt -passes='default<O1>' -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
; OPT-NOT: gvar_unused
; OPTNONE: gvar_unused