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