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37ac8d3622
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
2.5 KiB
LLVM
57 lines
2.5 KiB
LLVM
; Test that GCOV instrumentation numbers functions correctly when some
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; functions aren't emitted.
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; Inject metadata to set the .gcno file location
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; RUN: echo '!14 = !{!"%/T/function-numbering.ll", !0}' > %t1
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; RUN: cat %s %t1 > %t2
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; RUN: opt -insert-gcov-profiling -S < %t2 | FileCheck --check-prefix GCDA %s
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; RUN: llvm-cov -n -dump %T/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.10.0"
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; GCDA: @[[FOO:[0-9]+]] = private unnamed_addr constant [4 x i8] c"foo\00"
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; GCDA-NOT: @{{[0-9]+}} = private unnamed_addr constant .* c"bar\00"
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; GCDA: @[[BAZ:[0-9]+]] = private unnamed_addr constant [4 x i8] c"baz\00"
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; GCDA: define internal void @__llvm_gcov_writeout()
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; GCDA: call void @llvm_gcda_emit_function(i32 0, i8* getelementptr inbounds ([4 x i8]* @[[FOO]]
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; GCDA: call void @llvm_gcda_emit_function(i32 1, i8* getelementptr inbounds ([4 x i8]* @[[BAZ]]
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; GCNO: == foo (0) @
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; GCNO-NOT: == bar ({{[0-9]+}}) @
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; GCNO: == baz (1) @
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define void @foo() {
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ret void, !dbg !12
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}
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define void @bar() {
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; This function is referenced by the debug info, but no lines have locations.
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ret void
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}
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define void @baz() {
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ret void, !dbg !13
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}
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!llvm.gcov = !{!14}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = !{!"0x11\0012\00clang version 3.6.0 \000\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [function-numbering.ll] [DW_LANG_C99]
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!1 = !{!".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", !""}
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!2 = !{}
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!3 = !{!4, !7, !8}
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!4 = !{!"0x2e\00foo\00foo\00\001\000\001\000\000\000\000\001", !1, !5, !6, null, void ()* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/Users/bogner/build/llvm-debug//tmp/foo.c]
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!6 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{!"0x2e\00bar\00bar\00\002\000\001\000\000\000\000\002", !1, !5, !6, null, void ()* @bar, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar]
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!8 = !{!"0x2e\00baz\00baz\00\003\000\001\000\000\000\000\003", !1, !5, !6, null, void ()* @baz, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [baz]
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!9 = !{i32 2, !"Dwarf Version", i32 2}
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!10 = !{i32 2, !"Debug Info Version", i32 2}
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!11 = !{!"clang version 3.6.0 "}
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!12 = !MDLocation(line: 1, column: 13, scope: !4)
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!13 = !MDLocation(line: 3, column: 13, scope: !8)
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