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[OpenCL] Add DWARF address spaces mapping for SPIR 

Extend debug info handling by adding DWARF address space mapping for
SPIR, with corresponding test case.

Reviewed By: Anastasia

Differential Revision: https://reviews.llvm.org/D103097
This commit is contained in:
Jason Zheng 2021-06-01 10:22:00 +01:00 committed by Stuart Brady
parent 4d9f8527db
commit 333987b045
2 changed files with 28 additions and 0 deletions
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5
clang/lib/Basic/Targets/SPIR.h
View File

@ -117,6 +117,11 @@ public:
return TargetInfo::VoidPtrBuiltinVaList;
}
Optional<unsigned>
getDWARFAddressSpace(unsigned AddressSpace) const override {
return AddressSpace;
}
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
return (CC == CC_SpirFunction || CC == CC_OpenCLKernel) ? CCCR_OK
: CCCR_Warning;

23
clang/test/CodeGenOpenCL/spir-debug-info-pointer-address-space.cl Normal file
View File

@ -0,0 +1,23 @@
// RUN: %clang_cc1 -cl-std=CL2.0 -debug-info-kind=limited -dwarf-version=5 -emit-llvm -O0 -triple spir-unknown-unknown -o - %s | FileCheck %s
// RUN: %clang_cc1 -cl-std=CL2.0 -debug-info-kind=limited -dwarf-version=5 -emit-llvm -O0 -triple spir64-unknown-unknown -o - %s | FileCheck %s
// CHECK-DAG: ![[DWARF_ADDRESS_SPACE_GLOBAL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !{{[0-9]+}}, size: {{[0-9]+}}, dwarfAddressSpace: 1)
// CHECK-DAG: ![[DWARF_ADDRESS_SPACE_CONSTANT:[0-9]+]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !{{[0-9]+}}, size: {{[0-9]+}}, dwarfAddressSpace: 2)
// CHECK-DAG: ![[DWARF_ADDRESS_SPACE_LOCAL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !{{[0-9]+}}, size: {{[0-9]+}}, dwarfAddressSpace: 3)
// CHECK-DAG: ![[DWARF_ADDRESS_SPACE_PRIVATE:[0-9]+]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !{{[0-9]+}}, size: {{[0-9]+}}, dwarfAddressSpace: 0)
// CHECK-DAG: ![[DWARF_ADDRESS_SPACE_GENERIC:[0-9]+]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !{{[0-9]+}}, size: {{[0-9]+}}, dwarfAddressSpace: 4)
// CHECK-DAG: distinct !DIGlobalVariable(name: "FileVar0", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: {{[0-9]+}}, type: ![[DWARF_ADDRESS_SPACE_GLOBAL]], isLocal: false, isDefinition: true)
global int *FileVar0;
// CHECK-DAG: distinct !DIGlobalVariable(name: "FileVar1", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: {{[0-9]+}}, type: ![[DWARF_ADDRESS_SPACE_CONSTANT]], isLocal: false, isDefinition: true)
constant int *FileVar1;
// CHECK-DAG: distinct !DIGlobalVariable(name: "FileVar2", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: {{[0-9]+}}, type: ![[DWARF_ADDRESS_SPACE_LOCAL]], isLocal: false, isDefinition: true)
local int *FileVar2;
// CHECK-DAG: distinct !DIGlobalVariable(name: "FileVar3", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: {{[0-9]+}}, type: ![[DWARF_ADDRESS_SPACE_PRIVATE]], isLocal: false, isDefinition: true)
private int *FileVar3;
// CHECK-DAG: distinct !DIGlobalVariable(name: "FileVar4", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: {{[0-9]+}}, type: ![[DWARF_ADDRESS_SPACE_GENERIC]], isLocal: false, isDefinition: true)
int *FileVar4;