| ; Verify functionality of NVPTXGenericToNVVM.cpp pass. |
| ; |
| ; RUN: opt < %s -march nvptx64 -S -generic-to-nvvm | FileCheck %s |
| ; RUN: opt < %s -march nvptx64 -S -passes='generic-to-nvvm' | FileCheck %s |
| |
| target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" |
| target triple = "nvptx64-nvidia-cuda" |
| |
| ; Generic space variables should be converted to global space AKA addrspace(1). |
| ; The debug info reference should be preserved. |
| ; CHECK-DAG: @static_var = {{.*}}addrspace(1) {{.*}} !dbg !{{[0-9]+}} |
| @static_var = externally_initialized global i8 0, align 1, !dbg !4 |
| ; CHECK-DAG: @.str = {{.*}}addrspace(1) |
| @.str = private unnamed_addr constant [4 x i8] c"XXX\00", align 1 |
| |
| ; Function Attrs: convergent |
| define void @func() !dbg !8 { |
| ;CHECK-LABEL: @func() |
| ;CHECK-SAME: !dbg [[FUNCNODE:![0-9]+]] |
| entry: |
| ; References to the variables must be converted back to generic address space. |
| ; CHECK-DAG: addrspacecast (ptr addrspace(1) @.str to ptr) |
| %0 = load i8, ptr @.str, align 1 |
| call void @extfunc(i8 signext %0) |
| ; CHECK-DAG: addrspacecast (ptr addrspace(1) @static_var to ptr) |
| %1 = load i8, ptr @static_var, align 1 |
| call void @extfunc(i8 signext %1) |
| ret void |
| ; CHECK: ret void |
| } |
| |
| declare void @extfunc(i8 signext) |
| |
| !llvm.dbg.cu = !{!0} |
| ; CHECK: !llvm.dbg.cu = !{[[CUNODE:![0-9]+]]} |
| !llvm.module.flags = !{!6, !7} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, |
| producer: "clang version 4.0.0", |
| isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3) |
| ; CHECK-DAG: [[CUNODE]] = distinct !DICompileUnit({{.*}} globals: [[GLOBALSNODE:![0-9]+]] |
| !1 = !DIFile(filename: "foo.cu", directory: "/usr/local/google/home/tra/work/llvm/build/gpu/debug") |
| !2 = !{} |
| !3 = !{!4} |
| ; Find list of global variables and make sure it's the one used by DICompileUnit |
| ; CHECK-DAG: [[GLOBALSNODE]] = !{[[GVNODE:![0-9]+]]} |
| !4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_var", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true), expr: !DIExpression()) |
| ; Debug info must be updated to reflect new address space. |
| ; CHECK-DAG: [[GVNODE]] = !DIGlobalVariableExpression(var: [[GVVAR:.*]], expr: !DIExpression()) |
| ; CHECK-DAG: [[GVVAR]] = !DIGlobalVariable(name: "static_var", scope: [[CUNODE]],{{.*}} type: [[TYPENODE:![0-9]+]] |
| !5 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) |
| ; CHECK: [[TYPENODE]] = !DIBasicType(name: "char" |
| !6 = !{i32 2, !"Dwarf Version", i32 4} |
| !7 = !{i32 2, !"Debug Info Version", i32 3} |
| !8 = distinct !DISubprogram(name: "foo", linkageName: "func", |
| scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, |
| flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| ; CHECK: [[FUNCNODE]] = distinct !DISubprogram(name: "foo", |
| ; CHECK-SAME: type: [[STYPENODE:![0-9]+]] |
| ; CHECK-SAME: unit: [[CUNODE]], |
| !9 = !DISubroutineType(types: !10) |
| ; CHECK: [[STYPENODE]] = !DISubroutineType |
| !10 = !{null} |