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annotate clang/test/CodeGen/code-coverage.c @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 0572611fdcc8
children c4bab56944e8
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1 /// We support coverage versions 3.4, 4.7 and 4.8.
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2 /// 3.4 redesigns the format and changed .da to .gcda
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3 /// 4.7 enables cfg_checksum.
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4 /// 4.8 (default, compatible with gcov 7) emits the exit block the second.
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5 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-version='304*' %s -o - | \
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6 // RUN: FileCheck --check-prefixes=CHECK,304 %s
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7 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-version='407*' %s -o - | \
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8 // RUN: FileCheck --check-prefixes=CHECK,407 %s
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9 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs %s -o - | \
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10 // RUN: FileCheck --check-prefixes=CHECK,408 %s
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12 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-notes-file=aaa.gcno -coverage-data-file=bbb.gcda -debug-info-kind=limited -dwarf-version=4 %s -o - | FileCheck %s --check-prefix GCOV_FILE_INFO
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14 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -fprofile-arcs %s 2>&1 | FileCheck --check-prefix=NEWPM %s
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15 // RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -fprofile-arcs -O3 %s 2>&1 | FileCheck --check-prefix=NEWPM-O3 %s
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16
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17 // NEWPM-NOT: Running pass
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18 // NEWPM: Running pass: GCOVProfilerPass
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19
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20 // NEWPM-O3-NOT: Running pass
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21 // NEWPM-O3: Running pass: Annotation2MetadataPass
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22 // NEWPM-O3: Running pass: ForceFunctionAttrsPass
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23 // NEWPM-O3: Running pass: GCOVProfilerPass
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24
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25 int test1(int a) {
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26 switch (a % 2) {
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27 case 0:
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28 ++a;
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29 case 1:
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30 a /= 2;
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31 }
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32 return a;
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33 }
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34
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35 int test2(int b) {
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36 return b * 2;
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37 }
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40 // CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant [2 x %emit_function_args_ty]
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41 // CHECK-SAME: [%emit_function_args_ty { i32 0, i32 {{[-0-9]+}}, i32 {{[-0-9]+}} }, %emit_function_args_ty { i32 1, i32 {{[-0-9]+}}, i32 {{[-0-9]+}} }]
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43 // CHECK: @__llvm_internal_gcov_emit_file_info = internal unnamed_addr constant [1 x %file_info]
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44 /// 0x3330342a '3' '0' '4' '*'
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45 // 304-SAME: i32 858797098
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46 /// 0x3430372a '4' '0' '7' '*'
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47 // 407-SAME: i32 875575082
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48 /// 0x3430382a '4' '0' '8' '*'
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49 // 408-SAME: i32 875575338
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50
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51 // Check that the noredzone flag is set on the generated functions.
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52
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53 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ:#[0-9]+]]
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54 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]
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55
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56 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} }
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57
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58 // GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]}
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59 // GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}}