1; RUN: opt -passes=openmp-opt -pass-remarks-missed=openmp-opt -disable-output < %s 2>&1 | FileCheck %s 2; ModuleID = 'declare_target_codegen_globalization.cpp' 3source_filename = "declare_target_codegen_globalization.cpp" 4target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64" 5target triple = "nvptx64" 6 7; CHECK: remark: globalization_remarks.c:5:7: Could not move globalized variable to the stack. Variable is potentially captured in call. Mark parameter as `__attribute__((noescape))` to override. 8; CHECK: remark: globalization_remarks.c:5:7: Found thread data sharing on the GPU. Expect degraded performance due to data globalization. 9 10%struct.KernelEnvironmentTy = type { %struct.ConfigurationEnvironmentTy, ptr, ptr } 11%struct.ConfigurationEnvironmentTy = type { i8, i8, i8, i32, i32, i32, i32, i32, i32 } 12 13@S = external local_unnamed_addr global ptr 14@foo_kernel_environment = local_unnamed_addr constant %struct.KernelEnvironmentTy { %struct.ConfigurationEnvironmentTy { i8 0, i8 0, i8 1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0 }, ptr null, ptr null } 15 16define ptx_kernel void @foo() "kernel" { 17entry: 18 %c = call i32 @__kmpc_target_init(ptr @foo_kernel_environment, ptr null) 19 %0 = call ptr @__kmpc_alloc_shared(i64 4), !dbg !10 20 call void @share(ptr %0), !dbg !10 21 call void @__kmpc_free_shared(ptr %0) 22 call void @__kmpc_target_deinit() 23 ret void 24} 25 26define internal void @share(ptr %x) { 27entry: 28 store ptr %x, ptr @S 29 ret void 30} 31 32declare ptr @__kmpc_alloc_shared(i64) 33 34declare void @__kmpc_free_shared(ptr nocapture) 35 36declare i32 @__kmpc_target_init(ptr, ptr); 37 38declare void @__kmpc_target_deinit() 39 40!llvm.dbg.cu = !{!0} 41!llvm.module.flags = !{!3, !4, !5, !6} 42 43!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) 44!1 = !DIFile(filename: "globalization_remarks.c", directory: "/tmp/globalization_remarks.c") 45!2 = !{} 46!3 = !{i32 2, !"Debug Info Version", i32 3} 47!4 = !{i32 1, !"wchar_size", i32 4} 48!5 = !{i32 7, !"openmp", i32 50} 49!6 = !{i32 7, !"openmp-device", i32 50} 50!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 51!9 = !DISubroutineType(types: !2) 52!10 = !DILocation(line: 5, column: 7, scope: !8) 53