60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/// We support coverage versions 3.4, 4.7 and 4.8.
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/// 3.4 redesigns the format and changed .da to .gcda
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/// 4.7 enables cfg_checksum.
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/// 4.8 (default, compatible with gcov 7) emits the exit block the second.
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// RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-version='304*' %s -o - | \
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// RUN: FileCheck --check-prefixes=CHECK,304 %s
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// RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs -coverage-version='407*' %s -o - | \
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// RUN: FileCheck --check-prefixes=CHECK,407 %s
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// RUN: %clang_cc1 -emit-llvm -disable-red-zone -fprofile-arcs %s -o - | \
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// RUN: FileCheck --check-prefixes=CHECK,408 %s
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// 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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// 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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// 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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// NEWPM-NOT: Running pass
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// NEWPM: Running pass: GCOVProfilerPass
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// NEWPM-O3-NOT: Running pass
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// NEWPM-O3: Running pass: Annotation2MetadataPass
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// NEWPM-O3: Running pass: ForceFunctionAttrsPass
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// NEWPM-O3: Running pass: GCOVProfilerPass
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int test1(int a) {
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switch (a % 2) {
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case 0:
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++a;
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case 1:
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a /= 2;
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}
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return a;
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}
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int test2(int b) {
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return b * 2;
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}
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// CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant [2 x %emit_function_args_ty]
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// 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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// CHECK: @__llvm_internal_gcov_emit_file_info = internal unnamed_addr constant [1 x %file_info]
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/// 0x3330342a '3' '0' '4' '*'
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// 304-SAME: i32 858797098
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/// 0x3430372a '4' '0' '7' '*'
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// 407-SAME: i32 875575082
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/// 0x3430382a '4' '0' '8' '*'
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// 408-SAME: i32 875575338
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// Check that the noredzone flag is set on the generated functions.
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// CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ:#[0-9]+]]
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// CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]
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// CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} }
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// GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]}
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// GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}}
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