forked from OSchip/llvm-project
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
// Test that the specified output merges the profiling data.
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// Run the program twice so that the counters accumulate.
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// RUN: %clang -fprofile-instr-generate -fcoverage-mapping -o %t %s
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// RUN: rm -f %t.merging.profraw %t.merging.profdata
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// RUN: %run %t %t.merging.profraw
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// RUN: %run %t %t.merging.profraw
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// RUN: test -f %t.merging.profraw
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// RUN: llvm-profdata merge -o %t.merging.profdata %t.merging.profraw
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// RUN: llvm-cov show -instr-profile %t.merging.profdata %t | FileCheck %s --match-full-lines
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#include <stdio.h>
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extern void __llvm_profile_set_file_object(FILE *, int);
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int main(int argc, const char *argv[]) {
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if (argc < 2)
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return 1;
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FILE *F = fopen(argv[1], "r+b");
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if (!F) {
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// File might not exist, try opening with truncation
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F = fopen(argv[1], "w+b");
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}
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__llvm_profile_set_file_object(F, 1);
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return 0;
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}
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// CHECK: 10| |#include <stdio.h>
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// CHECK: 11| |
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// CHECK: 12| |extern void __llvm_profile_set_file_object(FILE *, int);
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// CHECK: 13| |
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// CHECK: 14| 2|int main(int argc, const char *argv[]) {
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// CHECK: 15| 2| if (argc < 2)
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// CHECK: 16| 0| return 1;
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// CHECK: 17| |
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// CHECK: 18| 2| FILE *F = fopen(argv[1], "r+b");
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// CHECK: 19| 2| if (!F) {
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// CHECK: 20| | // File might not exist, try opening with truncation
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// CHECK: 21| 1| F = fopen(argv[1], "w+b");
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// CHECK: 22| 1| }
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// CHECK: 23| 2| __llvm_profile_set_file_object(F, 1);
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// CHECK: 24| |
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// CHECK: 25| 2| return 0;
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// CHECK: 26| 2|}
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