| ; Test that GCOV instrumentation numbers functions correctly when some |
| ; functions aren't emitted. |
| |
| ; Inject metadata to set the .gcno file location |
| ; RUN: rm -rf %t && mkdir -p %t |
| ; RUN: echo '!14 = !{!"%/t/function-numbering.ll", !0}' > %t/1 |
| ; RUN: cat %s %t/1 > %t/2 |
| |
| ; RUN: opt -insert-gcov-profiling -S < %t/2 | FileCheck --check-prefix GCDA %s |
| ; RUN: llvm-cov gcov -n -dump %t/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s |
| ; RUNN: rm %t/function-numbering.gcno |
| |
| ; RUN: opt -passes=insert-gcov-profiling -S < %t/2 | FileCheck --check-prefix GCDA %s |
| ; RUN: llvm-cov gcov -n -dump %t/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| ; GCDA: @[[FOO:[0-9]+]] = private unnamed_addr constant [4 x i8] c"foo\00" |
| ; GCDA-NOT: @{{[0-9]+}} = private unnamed_addr constant .* c"bar\00" |
| ; GCDA: @[[BAZ:[0-9]+]] = private unnamed_addr constant [4 x i8] c"baz\00" |
| ; GCDA: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant |
| ; GCDA-SAME: { i32 0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[FOO]] |
| ; GCDA-SAME: { i32 1, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[BAZ]] |
| ; |
| ; GCDA-LABEL: define internal void @__llvm_gcov_writeout() {{.*}} { |
| ; GCDA-NEXT: entry: |
| ; GCDA-NEXT: br label %[[FILE_LOOP_HEADER:.*]] |
| ; |
| ; GCDA: [[FILE_LOOP_HEADER]]: |
| ; GCDA-NEXT: %[[IV:.*]] = phi i32 [ 0, %entry ], [ %[[NEXT_IV:.*]], %[[FILE_LOOP_LATCH:.*]] ] |
| ; GCDA-NEXT: %[[FILE_INFO:.*]] = getelementptr inbounds {{.*}}, {{.*}}* @__llvm_internal_gcov_emit_file_info, i32 0, i32 %[[IV]] |
| ; GCDA-NEXT: %[[START_FILE_ARGS:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[FILE_INFO]], i32 0, i32 0 |
| ; GCDA-NEXT: %[[START_FILE_ARG_0_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[START_FILE_ARGS]], i32 0, i32 0 |
| ; GCDA-NEXT: %[[START_FILE_ARG_0:.*]] = load i8*, i8** %[[START_FILE_ARG_0_PTR]] |
| ; GCDA-NEXT: %[[START_FILE_ARG_1_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[START_FILE_ARGS]], i32 0, i32 1 |
| ; GCDA-NEXT: %[[START_FILE_ARG_1:.*]] = load i8*, i8** %[[START_FILE_ARG_1_PTR]] |
| ; GCDA-NEXT: %[[START_FILE_ARG_2_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[START_FILE_ARGS]], i32 0, i32 2 |
| ; GCDA-NEXT: %[[START_FILE_ARG_2:.*]] = load i32, i32* %[[START_FILE_ARG_2_PTR]] |
| ; GCDA-NEXT: call void @llvm_gcda_start_file(i8* %[[START_FILE_ARG_0]], i8* %[[START_FILE_ARG_1]], i32 %[[START_FILE_ARG_2]]) |
| ; GCDA-NEXT: %[[NUM_COUNTERS_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[FILE_INFO]], i32 0, i32 1 |
| ; GCDA-NEXT: %[[NUM_COUNTERS:.*]] = load i32, i32* %[[NUM_COUNTERS_PTR]] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARGS_ARRAY_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[FILE_INFO]], i32 0, i32 2 |
| ; GCDA-NEXT: %[[EMIT_FUN_ARGS_ARRAY:.*]] = load {{.*}}*, {{.*}}** %[[EMIT_FUN_ARGS_ARRAY_PTR]] |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARGS_ARRAY_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[FILE_INFO]], i32 0, i32 3 |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARGS_ARRAY:.*]] = load {{.*}}*, {{.*}}** %[[EMIT_ARCS_ARGS_ARRAY_PTR]] |
| ; GCDA-NEXT: %[[ENTER_COUNTER_LOOP_COND:.*]] = icmp slt i32 0, %[[NUM_COUNTERS]] |
| ; GCDA-NEXT: br i1 %[[ENTER_COUNTER_LOOP_COND]], label %[[COUNTER_LOOP:.*]], label %[[FILE_LOOP_LATCH]] |
| ; |
| ; GCDA: [[COUNTER_LOOP]]: |
| ; GCDA-NEXT: %[[JV:.*]] = phi i32 [ 0, %[[FILE_LOOP_HEADER]] ], [ %[[NEXT_JV:.*]], %[[COUNTER_LOOP]] ] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARGS:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_FUN_ARGS_ARRAY]], i32 %[[JV]] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_0_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_FUN_ARGS]], i32 0, i32 0 |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_0:.*]] = load i32, i32* %[[EMIT_FUN_ARG_0_PTR]] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_1_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_FUN_ARGS]], i32 0, i32 1 |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_1:.*]] = load i8*, i8** %[[EMIT_FUN_ARG_1_PTR]] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_2_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_FUN_ARGS]], i32 0, i32 2 |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_2:.*]] = load i32, i32* %[[EMIT_FUN_ARG_2_PTR]] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_3_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_FUN_ARGS]], i32 0, i32 3 |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_3:.*]] = load i8, i8* %[[EMIT_FUN_ARG_3_PTR]] |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_4_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_FUN_ARGS]], i32 0, i32 4 |
| ; GCDA-NEXT: %[[EMIT_FUN_ARG_4:.*]] = load i32, i32* %[[EMIT_FUN_ARG_4_PTR]] |
| ; GCDA-NEXT: call void @llvm_gcda_emit_function(i32 %[[EMIT_FUN_ARG_0]], |
| ; GCDA-SAME: i8* %[[EMIT_FUN_ARG_1]], |
| ; GCDA-SAME: i32 %[[EMIT_FUN_ARG_2]], |
| ; GCDA-SAME: i8 %[[EMIT_FUN_ARG_3]], |
| ; GCDA-SAME: i32 %[[EMIT_FUN_ARG_4]]) |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARGS:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_ARCS_ARGS_ARRAY]], i32 %[[JV]] |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARG_0_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_ARCS_ARGS]], i32 0, i32 0 |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARG_0:.*]] = load i32, i32* %[[EMIT_ARCS_ARG_0_PTR]] |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARG_1_PTR:.*]] = getelementptr inbounds {{.*}}, {{.*}}* %[[EMIT_ARCS_ARGS]], i32 0, i32 1 |
| ; GCDA-NEXT: %[[EMIT_ARCS_ARG_1:.*]] = load i64*, i64** %[[EMIT_ARCS_ARG_1_PTR]] |
| ; GCDA-NEXT: call void @llvm_gcda_emit_arcs(i32 %[[EMIT_ARCS_ARG_0]], |
| ; GCDA-SAME: i64* %[[EMIT_ARCS_ARG_1]]) |
| ; GCDA-NEXT: %[[NEXT_JV]] = add i32 %[[JV]], 1 |
| ; GCDA-NEXT: %[[COUNTER_LOOP_COND:.*]] = icmp slt i32 %[[NEXT_JV]], %[[NUM_COUNTERS]] |
| ; GCDA-NEXT: br i1 %[[COUNTER_LOOP_COND]], label %[[COUNTER_LOOP]], label %[[FILE_LOOP_LATCH]] |
| ; |
| ; GCDA: [[FILE_LOOP_LATCH]]: |
| ; GCDA-NEXT: call void @llvm_gcda_summary_info() |
| ; GCDA-NEXT: call void @llvm_gcda_end_file() |
| ; GCDA-NEXT: %[[NEXT_IV]] = add i32 %[[IV]], 1 |
| ; GCDA-NEXT: %[[FILE_LOOP_COND:.*]] = icmp slt i32 %[[NEXT_IV]], 1 |
| ; GCDA-NEXT: br i1 %[[FILE_LOOP_COND]], label %[[FILE_LOOP_HEADER]], label %[[EXIT:.*]] |
| ; |
| ; GCDA: [[EXIT]]: |
| ; GCDA-NEXT: ret void |
| |
| ; GCNO: == foo (0) @ |
| ; GCNO-NOT: == bar ({{[0-9]+}}) @ |
| ; GCNO: == baz (1) @ |
| |
| define void @foo() !dbg !4 { |
| ret void, !dbg !12 |
| } |
| |
| define void @bar() !dbg !7 { |
| ; This function is referenced by the debug info, but no lines have locations. |
| ret void |
| } |
| |
| define void @baz() !dbg !8 { |
| ret void, !dbg !13 |
| } |
| |
| !llvm.gcov = !{!14} |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!9, !10} |
| !llvm.ident = !{!11} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !5 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "") |
| !6 = !DISubroutineType(types: !2) |
| !7 = distinct !DISubprogram(name: "bar", line: 2, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !8 = distinct !DISubprogram(name: "baz", line: 3, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !9 = !{i32 2, !"Dwarf Version", i32 2} |
| !10 = !{i32 2, !"Debug Info Version", i32 3} |
| !11 = !{!"clang version 3.6.0 "} |
| !12 = !DILocation(line: 1, column: 13, scope: !4) |
| !13 = !DILocation(line: 3, column: 13, scope: !8) |
