32db121b29
Debug info correlation is an option in InstrProfiling pass, which is used by both IR instrumentation and front-end instrumentation. So, Clang coverage can also benefits the binary size saving from it. Reviewed By: ellis Differential Revision: https://reviews.llvm.org/D157913
79 lines
4.5 KiB
C++
79 lines
4.5 KiB
C++
// Test debug info correlate with clang coverage.
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// Test the case when there is no __llvm_prf_names in the binary.
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// RUN: %clang_profgen -o %t.normal -fcoverage-mapping %S/../Inputs/instrprof-debug-info-correlate-main.cpp %S/../Inputs/instrprof-debug-info-correlate-foo.cpp
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// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.normal
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// RUN: llvm-profdata merge -o %t.normal.profdata %t.profraw
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// RUN: %clang_profgen -o %t -g -mllvm --debug-info-correlate -fcoverage-mapping %S/../Inputs/instrprof-debug-info-correlate-main.cpp %S/../Inputs/instrprof-debug-info-correlate-foo.cpp
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// RUN: env LLVM_PROFILE_FILE=%t.proflite %run %t
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// RUN: llvm-profdata merge -o %t.profdata --debug-info=%t %t.proflite
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// RUN: diff <(llvm-profdata show --all-functions --counts %t.normal.profdata) <(llvm-profdata show --all-functions --counts %t.profdata)
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// RUN: llvm-cov report --instr-profile=%t.profdata %t | FileCheck %s -check-prefix=NONAME
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// Test debug info correlate with clang coverage (online merging).
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// RUN: env LLVM_PROFILE_FILE=%t-1.profraw %run %t.normal
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// RUN: env LLVM_PROFILE_FILE=%t-2.profraw %run %t.normal
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// RUN: llvm-profdata merge -o %t.normal.profdata %t-1.profraw %t-2.profraw
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// RUN: rm -rf %t.profdir && mkdir %t.profdir
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// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m.proflite %run %t
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// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m.proflite %run %t
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// RUN: llvm-profdata merge -o %t.profdata --debug-info=%t %t.profdir
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// RUN: diff <(llvm-profdata show --all-functions --counts %t.normal.profdata) <(llvm-profdata show --all-functions --counts %t.profdata)
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// RUN: llvm-cov report --instr-profile=%t.profdata %t | FileCheck %s -check-prefix=NONAME
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// RUN: llvm-cov report --instr-profile=%t.normal.profdata %t | FileCheck %s -check-prefix=NONAME
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// NONAME: Filename Regions Missed Regions Cover Functions Missed Functions Executed Lines Missed Lines Cover Branches Missed Branches Cover
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// NONAME-NEXT: --
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// NONAME-NEXT: instrprof-debug-info-correlate-bar.h 3 1 66.67% 1 0 100.00% 5 1 80.00% 2 1 50.00%
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// NONAME-NEXT: instrprof-debug-info-correlate-foo.cpp 5 2 60.00% 2 1 50.00% 6 2 66.67% 2 1 50.00%
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// NONAME-NEXT: instrprof-debug-info-correlate-main.cpp 4 0 100.00% 1 0 100.00% 5 0 100.00% 2 0 100.00%
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// NONAME-NEXT: --
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// NONAME-NEXT: TOTAL 12 3 75.00% 4 1 75.00% 16 3 81.25% 6 2 66.67%
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// Test the case when there is __llvm_prf_names in the binary (those are names of uninstrumented functions).
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// RUN: %clang_profgen -o %t.normal -fcoverage-mapping -mllvm -enable-name-compression=false %s
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// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.normal
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// RUN: llvm-profdata merge -o %t.normal.profdata %t.profraw
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// RUN: %clang_profgen -o %t -g -mllvm --debug-info-correlate -fcoverage-mapping -mllvm -enable-name-compression=false %s
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// RUN: env LLVM_PROFILE_FILE=%t.proflite %run %t
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// RUN: llvm-profdata merge -o %t.profdata --debug-info=%t %t.proflite
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// RUN: diff <(llvm-profdata show --all-functions --counts %t.normal.profdata) <(llvm-profdata show --all-functions --counts %t.profdata)
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// RUN: llvm-cov export --format=lcov --instr-profile=%t.profdata %t | FileCheck %s -check-prefix=NAME
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// Test debug info correlate with clang coverage (online merging).
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// RUN: env LLVM_PROFILE_FILE=%t-1.profraw %run %t.normal
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// RUN: env LLVM_PROFILE_FILE=%t-2.profraw %run %t.normal
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// RUN: llvm-profdata merge -o %t.normal.profdata %t-1.profraw %t-2.profraw
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// RUN: rm -rf %t.profdir && mkdir %t.profdir
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// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m.proflite %run %t
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// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m.proflite %run %t
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// RUN: llvm-profdata merge -o %t.profdata --debug-info=%t %t.profdir
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// RUN: diff <(llvm-profdata show --all-functions --counts %t.normal.profdata) <(llvm-profdata show --all-functions --counts %t.profdata)
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// RUN: llvm-cov export --format=lcov --instr-profile=%t.profdata %t | FileCheck %s -check-prefix=NAME
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// NAME: _Z9used_funcv
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// NAME: main
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// NAME: _ZN1A11unused_funcEv
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struct A {
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void unused_func() {}
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};
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void used_func() {}
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int main() {
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used_func();
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return 0;
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}
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