; RUN: llc < %s -mattr=+ptx72 | FileCheck %s ; ;; Test mutual recursion with deep inlining - verifies that inlined_at information ;; is correctly emitted for multiple levels of inlining when foo() and bar() call each other. ; ; #include ; ; __device__ int gg; ; ; __device__ void foo(); ; __device__ void bar(); ; extern __device__ void calculate(); ; __device__ void foo() { ; if (gg > 7) ; bar(); ; calculate(); ; } ; ; __device__ void bar() { ; if (gg > 17) ; foo(); ; calculate(); ; } ; ; __global__ void kernel() { ; foo(); ; } ; ; CHECK: .loc [[FILENUM:[1-9]]] 21 ; CHECK: .loc [[FILENUM]] 9 {{[0-9]*}}, function_name [[FOONAME:\$L__info_string[0-9]+]], inlined_at [[FILENUM]] 21 ; CHECK: .loc [[FILENUM]] 16 {{[0-9]*}}, function_name [[BARNAME:\$L__info_string[0-9]+]], inlined_at [[FILENUM]] 10 ; CHECK: .loc [[FILENUM]] 10 {{[0-9]*}}, function_name [[FOONAME]], inlined_at [[FILENUM]] 16 ; CHECK: .section .debug_str ; CHECK: { ; CHECK: [[FOONAME]]: ; CHECK-NEXT: // {{.*}} _Z3foov ; CHECK: [[BARNAME]]: ; CHECK-NEXT: // {{.*}} _Z3barv ; CHECK: } source_filename = "" target datalayout = "e-p:64:64:64-p3:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-i128:128:128-f32:32:32-f64:64:64-f128:128:128-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" target triple = "nvptx64-nvidia-cuda" @gg = internal addrspace(1) global i32 0, align 4 @llvm.used = appending global [2 x ptr] [ptr @_Z6kernelv, ptr addrspacecast (ptr addrspace(1) @gg to ptr)], section "llvm.metadata" define internal fastcc void @_Z3foov() unnamed_addr !dbg !4 { entry: %tmp = load i32, ptr addrspace(1) @gg, align 4, !dbg !6 %cmp = icmp sgt i32 %tmp, 7, !dbg !6 br i1 %cmp, label %if.then, label %if.end, !dbg !6 if.then: ; preds = %entry tail call fastcc void @_Z3barv(), !dbg !8 br label %if.end, !dbg !8 if.end: ; preds = %if.then, %entry tail call void @_Z9calculatev(), !dbg !10 ret void, !dbg !11 } define internal fastcc void @_Z3barv() unnamed_addr !dbg !12 { entry: %tmp = load i32, ptr addrspace(1) @gg, align 4, !dbg !13 %cmp = icmp sgt i32 %tmp, 17, !dbg !13 br i1 %cmp, label %if.then, label %if.end, !dbg !13 if.then: ; preds = %entry tail call fastcc void @_Z3foov(), !dbg !15 br label %if.end, !dbg !15 if.end: ; preds = %if.then, %entry tail call void @_Z9calculatev(), !dbg !17 ret void, !dbg !18 } declare void @_Z9calculatev() local_unnamed_addr define void @_Z6kernelv() !dbg !19 { entry: %tmp.i = load i32, ptr addrspace(1) @gg, align 4, !dbg !20 %cmp.i = icmp sgt i32 %tmp.i, 7, !dbg !20 br i1 %cmp.i, label %if.then.i, label %_Z3foov.exit, !dbg !20 if.then.i: ; preds = %entry %cmp.i2 = icmp sgt i32 %tmp.i, 17, !dbg !23 br i1 %cmp.i2, label %if.then.i10, label %_Z3barv.exit, !dbg !23 if.then.i10: ; preds = %if.then.i tail call fastcc void @_Z3foov(), !dbg !25 tail call void @_Z9calculatev(), !dbg !28 tail call void @_Z9calculatev(), !dbg !29 br label %_Z3barv.exit, !dbg !30 _Z3barv.exit: ; preds = %if.then.i, %if.then.i10 tail call void @_Z9calculatev(), !dbg !31 br label %_Z3foov.exit, !dbg !32 _Z3foov.exit: ; preds = %entry, %_Z3barv.exit tail call void @_Z9calculatev(), !dbg !33 ret void, !dbg !34 } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: DebugDirectivesOnly) !1 = !DIFile(filename: "t1.cu", directory: "") !2 = !{} !3 = !{i32 1, !"Debug Info Version", i32 3} !4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 8, type: !5, scopeLine: 8, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) !5 = !DISubroutineType(types: !2) !6 = !DILocation(line: 9, column: 3, scope: !7) !7 = distinct !DILexicalBlock(scope: !4, file: !1, line: 8, column: 29) !8 = !DILocation(line: 10, column: 5, scope: !9) !9 = distinct !DILexicalBlock(scope: !7, file: !1, line: 9, column: 3) !10 = !DILocation(line: 11, column: 3, scope: !7) !11 = !DILocation(line: 12, column: 1, scope: !7) !12 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !1, file: !1, line: 14, type: !5, scopeLine: 14, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) !13 = !DILocation(line: 15, column: 3, scope: !14) !14 = distinct !DILexicalBlock(scope: !12, file: !1, line: 14, column: 29) !15 = !DILocation(line: 16, column: 5, scope: !16) !16 = distinct !DILexicalBlock(scope: !14, file: !1, line: 15, column: 3) !17 = !DILocation(line: 17, column: 3, scope: !14) !18 = !DILocation(line: 18, column: 1, scope: !14) !19 = distinct !DISubprogram(name: "kernel", linkageName: "_Z6kernelv", scope: !1, file: !1, line: 20, type: !5, scopeLine: 20, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) !20 = !DILocation(line: 9, column: 3, scope: !7, inlinedAt: !21) !21 = distinct !DILocation(line: 21, column: 3, scope: !22) !22 = distinct !DILexicalBlock(scope: !19, file: !1, line: 20, column: 29) !23 = !DILocation(line: 15, column: 3, scope: !14, inlinedAt: !24) !24 = distinct !DILocation(line: 10, column: 5, scope: !9, inlinedAt: !21) !25 = !DILocation(line: 16, column: 5, scope: !16, inlinedAt: !26) !26 = distinct !DILocation(line: 10, column: 5, scope: !9, inlinedAt: !27) !27 = distinct !DILocation(line: 16, column: 5, scope: !16, inlinedAt: !24) !28 = !DILocation(line: 17, column: 3, scope: !14, inlinedAt: !26) !29 = !DILocation(line: 11, column: 3, scope: !7, inlinedAt: !27) !30 = !DILocation(line: 16, column: 5, scope: !16, inlinedAt: !24) !31 = !DILocation(line: 17, column: 3, scope: !14, inlinedAt: !24) !32 = !DILocation(line: 10, column: 5, scope: !9, inlinedAt: !21) !33 = !DILocation(line: 11, column: 3, scope: !7, inlinedAt: !21) !34 = !DILocation(line: 22, column: 1, scope: !22)