1; Verify functionality of NVPTXGenericToNVVM.cpp pass. 2; 3; RUN: opt < %s -march nvptx64 -S -generic-to-nvvm | FileCheck %s 4; RUN: opt < %s -march nvptx64 -S -passes='generic-to-nvvm' | FileCheck %s 5 6target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" 7target triple = "nvptx64-nvidia-cuda" 8 9; Generic space variables should be converted to global space AKA addrspace(1). 10; The debug info reference should be preserved. 11; CHECK-DAG: @static_var = {{.*}}addrspace(1) {{.*}} !dbg !{{[0-9]+}} 12@static_var = externally_initialized global i8 0, align 1, !dbg !4 13; CHECK-DAG: @.str = {{.*}}addrspace(1) 14@.str = private unnamed_addr constant [4 x i8] c"XXX\00", align 1 15 16; Function Attrs: convergent 17define void @func() !dbg !8 { 18;CHECK-LABEL: @func() 19;CHECK-SAME: !dbg [[FUNCNODE:![0-9]+]] 20entry: 21; References to the variables must be converted back to generic address space. 22; CHECK-DAG: addrspacecast (ptr addrspace(1) @.str to ptr) 23 %0 = load i8, ptr @.str, align 1 24 call void @extfunc(i8 signext %0) 25; CHECK-DAG: addrspacecast (ptr addrspace(1) @static_var to ptr) 26 %1 = load i8, ptr @static_var, align 1 27 call void @extfunc(i8 signext %1) 28 ret void 29; CHECK: ret void 30} 31 32declare void @extfunc(i8 signext) 33 34!llvm.dbg.cu = !{!0} 35; CHECK: !llvm.dbg.cu = !{[[CUNODE:![0-9]+]]} 36!llvm.module.flags = !{!6, !7} 37 38!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, 39 producer: "clang version 4.0.0", 40 isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3) 41; CHECK-DAG: [[CUNODE]] = distinct !DICompileUnit({{.*}} globals: [[GLOBALSNODE:![0-9]+]] 42!1 = !DIFile(filename: "foo.cu", directory: "/usr/local/google/home/tra/work/llvm/build/gpu/debug") 43!2 = !{} 44!3 = !{!4} 45; Find list of global variables and make sure it's the one used by DICompileUnit 46; CHECK-DAG: [[GLOBALSNODE]] = !{[[GVNODE:![0-9]+]]} 47!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_var", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true), expr: !DIExpression()) 48; Debug info must be updated to reflect new address space. 49; CHECK-DAG: [[GVNODE]] = !DIGlobalVariableExpression(var: [[GVVAR:.*]], expr: !DIExpression()) 50; CHECK-DAG: [[GVVAR]] = !DIGlobalVariable(name: "static_var", scope: [[CUNODE]],{{.*}} type: [[TYPENODE:![0-9]+]] 51!5 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 52; CHECK: [[TYPENODE]] = !DIBasicType(name: "char" 53!6 = !{i32 2, !"Dwarf Version", i32 4} 54!7 = !{i32 2, !"Debug Info Version", i32 3} 55!8 = distinct !DISubprogram(name: "foo", linkageName: "func", 56 scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, 57 flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 58; CHECK: [[FUNCNODE]] = distinct !DISubprogram(name: "foo", 59; CHECK-SAME: type: [[STYPENODE:![0-9]+]] 60; CHECK-SAME: unit: [[CUNODE]], 61!9 = !DISubroutineType(types: !10) 62; CHECK: [[STYPENODE]] = !DISubroutineType 63!10 = !{null} 64