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AMDGPU/SI: Emit global variable sizes when targeting HSA 

Reviewers: arsenm

Subscribers: arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D15952

llvm-svn: 257173
This commit is contained in:
Tom Stellard 2016-01-08 14:50:28 +00:00
parent ad8f5e8111
commit 4c4c72db48
2 changed files with 21 additions and 1 deletions
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6
llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
View File

@ -148,11 +148,15 @@ void AMDGPUAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
TS->EmitAMDGPUHsaProgramScopeGlobal(GV->getName());
}
MCSymbolELF *GVSym = cast<MCSymbolELF>(getSymbol(GV));
const DataLayout &DL = getDataLayout();
// Emit the size
uint64_t Size = DL.getTypeAllocSize(GV->getType()->getElementType());
OutStreamer->emitELFSize(GVSym, MCConstantExpr::create(Size, OutContext));
OutStreamer->PushSection();
OutStreamer->SwitchSection(
getObjFileLowering().SectionForGlobal(GV, *Mang, TM));
MCSymbol *GVSym = getSymbol(GV);
const Constant *C = GV->getInitializer();
OutStreamer->EmitLabel(GVSym);
EmitGlobalConstant(DL, C);

16
llvm/test/CodeGen/AMDGPU/hsa-globals.ll
View File

@ -17,41 +17,49 @@ define void @test() {
}
; ASM: .amdgpu_hsa_module_global internal_global
; ASM: .size internal_global_program, 4
; ASM: .hsadata_global_program
; ASM: internal_global_program:
; ASM: .long 0
; ASM: .amdgpu_hsa_module_global common_global
; ASM: .size common_global_program, 4
; ASM: .hsadata_global_program
; ASM: common_global_program:
; ASM: .long 0
; ASM: .amdgpu_hsa_program_global external_global
; ASM: .size external_global_program, 4
; ASM: .hsadata_global_program
; ASM: external_global_program:
; ASM: .long 0
; ASM: .amdgpu_hsa_module_global internal_global
; ASM: .size internal_global_agent, 4
; ASM: .hsadata_global_agent
; ASM: internal_global_agent:
; ASM: .long 0
; ASM: .amdgpu_hsa_module_global common_global
; ASM: .size common_global_agent, 4
; ASM: .hsadata_global_agent
; ASM: common_global_agent:
; ASM: .long 0
; ASM: .amdgpu_hsa_program_global external_global
; ASM: .size external_global_agent, 4
; ASM: .hsadata_global_agent
; ASM: external_global_agent:
; ASM: .long 0
; ASM: .amdgpu_hsa_module_global internal_readonly
; ASM: .size internal_readonly, 4
; ASM: .hsatext
; ASM: internal_readonly:
; ASM: .long 0
; ASM: .amdgpu_hsa_program_global external_readonly
; ASM: .size external_readonly, 4
; ASM: .hsatext
; ASM: external_readonly:
; ASM: .long 0
@ -79,18 +87,21 @@ define void @test() {
; ELF: Symbol {
; ELF: Name: common_global_agent
; ELF: Size: 4
; ELF: Binding: Local
; ELF: Section: .hsadata_global_agent
; ELF: }
; ELF: Symbol {
; ELF: Name: common_global_program
; ELF: Size: 4
; ELF: Binding: Local
; ELF: Section: .hsadata_global_program
; ELF: }
; ELF: Symbol {
; ELF: Name: internal_global_agent
; ELF: Size: 4
; ELF: Binding: Local
; ELF: Type: Object
; ELF: Section: .hsadata_global_agent
@ -98,6 +109,7 @@ define void @test() {
; ELF: Symbol {
; ELF: Name: internal_global_program
; ELF: Size: 4
; ELF: Binding: Local
; ELF: Type: Object
; ELF: Section: .hsadata_global_program
@ -105,6 +117,7 @@ define void @test() {
; ELF: Symbol {
; ELF: Name: internal_readonly
; ELF: Size: 4
; ELF: Binding: Local
; ELF: Type: Object
; ELF: Section: .hsatext
@ -112,6 +125,7 @@ define void @test() {
; ELF: Symbol {
; ELF: Name: external_global_agent
; ELF: Size: 4
; ELF: Binding: Global
; ELF: Type: Object
; ELF: Section: .hsadata_global_agent
@ -119,6 +133,7 @@ define void @test() {
; ELF: Symbol {
; ELF: Name: external_global_program
; ELF: Size: 4
; ELF: Binding: Global
; ELF: Type: Object
; ELF: Section: .hsadata_global_program
@ -126,6 +141,7 @@ define void @test() {
; ELF: Symbol {
; ELF: Name: external_readonly
; ELF: Size: 4
; ELF: Binding: Global
; ELF: Type: Object
; ELF: Section: .hsatext