; Inject metadata to set the .gcno file location
-; RUN: echo '!19 = metadata !{metadata !"%/T/return-block.ll", metadata !0}' > %t1
+; RUN: echo '!19 = !{!"%/T/return-block.ll", !0}' > %t1
; RUN: cat %s %t1 > %t2
+
+; By default, the return block is last.
; RUN: opt -insert-gcov-profiling -disable-output %t2
-; RUN: llvm-cov gcov -n -dump return-block.gcno 2>&1 | FileCheck %s
+; RUN: llvm-cov gcov -n -dump %T/return-block.gcno 2>&1 | FileCheck -check-prefix=CHECK -check-prefix=RETURN-LAST %s
+
+; But we can optionally emit it second, to match newer gcc versions.
+; RUN: opt -insert-gcov-profiling -gcov-exit-block-before-body -disable-output %t2
+; RUN: llvm-cov gcov -n -dump %T/return-block.gcno 2>&1 | FileCheck -check-prefix=CHECK -check-prefix=RETURN-SECOND %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: nounwind uwtable
define void @test() #0 {
entry:
- tail call void (...)* @f() #2, !dbg !14
- %0 = load i32* @A, align 4, !dbg !15
+ tail call void (...) @f() #2, !dbg !14
+ %0 = load i32, i32* @A, align 4, !dbg !15
%tobool = icmp eq i32 %0, 0, !dbg !15
br i1 %tobool, label %if.end, label %if.then, !dbg !15
if.then: ; preds = %entry
- tail call void (...)* @g() #2, !dbg !16
+ tail call void (...) @g() #2, !dbg !16
br label %if.end, !dbg !16
if.end: ; preds = %entry, %if.then
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind }
-!llvm.gcov = !{!14}
+!llvm.gcov = !{!19}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!11, !12}
!llvm.ident = !{!13}
-!0 = metadata !{metadata !"0x11\0012\00clang version 3.6.0 (trunk 223182)\001\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !8, metadata !2} ; [ DW_TAG_compile_unit ] [return-block.c] [DW_LANG_C99]
-!1 = metadata !{metadata !".../llvm/test/Transforms/GCOVProfiling/return-block.ll", metadata !""}
-!2 = metadata !{}
-!3 = metadata !{metadata !4}
-!4 = metadata !{metadata !"0x2e\00test\00test\00\005\000\001\000\000\000\001\005", metadata !1, metadata !5, metadata !6, null, void ()* @test, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 5] [def] [test]
-!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [return-block.c]
-!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!7 = metadata !{null}
-!8 = metadata !{metadata !9}
-!9 = metadata !{metadata !"0x34\00A\00A\00\003\000\001", null, metadata !5, metadata !10, i32* @A, null} ; [ DW_TAG_variable ] [A] [line 3] [def]
-!10 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!11 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!12 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
-!13 = metadata !{metadata !"clang version 3.6.0 (trunk 223182)"}
-!14 = metadata !{i32 6, i32 3, metadata !4, null}
-!15 = metadata !{i32 7, i32 7, metadata !4, null}
-!16 = metadata !{i32 8, i32 5, metadata !17, null}
-!17 = metadata !{metadata !"0xb\007\007\000", metadata !1, metadata !4} ; [ DW_TAG_lexical_block ] [return-block.c]
-!18 = metadata !{i32 9, i32 1, metadata !4, null}
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 (trunk 223182)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !8, imports: !2)
+!1 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/return-block.ll", directory: "")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "test", line: 5, isLocal: false, isDefinition: true, isOptimized: true, scopeLine: 5, file: !1, scope: !5, type: !6, function: void ()* @test, variables: !2)
+!5 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/return-block.ll", directory: "")
+!6 = !DISubroutineType(types: !7)
+!7 = !{null}
+!8 = !{!9}
+!9 = !DIGlobalVariable(name: "A", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @A)
+!10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!11 = !{i32 2, !"Dwarf Version", i32 4}
+!12 = !{i32 2, !"Debug Info Version", i32 3}
+!13 = !{!"clang version 3.6.0 (trunk 223182)"}
+!14 = !DILocation(line: 6, column: 3, scope: !4)
+!15 = !DILocation(line: 7, column: 7, scope: !4)
+!16 = !DILocation(line: 8, column: 5, scope: !17)
+!17 = distinct !DILexicalBlock(line: 7, column: 7, file: !1, scope: !4)
+!18 = !DILocation(line: 9, column: 1, scope: !4)
-; There should be no destination edges for block 1.
-; CHECK: Block : 0 Counter : 0
-; CHECK-NEXT: Destination Edges : 2 (0),
-; CHECK-NEXT: Block : 1 Counter : 0
-; CHECK-NEXT: Source Edges : 4 (0),
-; CHECK-NEXT: Block : 2 Counter : 0
+; There should be no destination edges for the exit block.
+; CHECK: Block : 1 Counter : 0
+; RETURN-LAST: Destination Edges
+; RETURN-SECOND-NOT: Destination Edges
+; CHECK: Block : 2 Counter : 0
+; CHECK: Block : 4 Counter : 0
+; RETURN-LAST-NOT: Destination Edges
+; RETURN-SECOND: Destination Edges
+; CHECK-NOT: Block :
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