1c99f650a7
Template functions share the same lines in source files, so the common
container of lines' properties cannot be used to calculate the coverage
statistics of individual functions.
> cat tmpl.cpp
template <int N> int test() { return N; }
int main() { return test<1>() + test<2>(); }
> clang++ --coverage tmpl.cpp -o tmpl
> ./tmpl
> llvm-cov gcov tmpl.cpp -f
...
Function '_Z4testILi1EEiv'
Lines executed:100.00% of 1
Function '_Z4testILi2EEiv'
Lines executed:-nan% of 0
...
> llvm-cov-patched gcov tmpl.cpp -f
...
Function '_Z4testILi1EEiv'
Lines executed:100.00% of 1
Function '_Z4testILi2EEiv'
Lines executed:100.00% of 1
...
Differential Revision: https://reviews.llvm.org/D121390
20 lines
566 B
Plaintext
20 lines
566 B
Plaintext
# Check that the coverage statistics for template functions are calculated as expected.
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RUN: rm -rf %t
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RUN: mkdir %t
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RUN: cd %t
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RUN: cp %p/Inputs/tmpl* .
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RUN: llvm-cov gcov tmpl.cpp -f | FileCheck %s --check-prefix=F
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RUN: llvm-cov gcov tmpl.cpp -t | FileCheck %s --check-prefix=T
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F: Function '_Z4testILi1EEiv'
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F-NEXT: Lines executed:100.00% of 1
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F: Function '_Z4testILi2EEiv'
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F-NEXT: Lines executed:100.00% of 1
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T: -: 1:template <int N>
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T-NEXT: 2: 2:int test() { return N; }
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T-NEXT: -: 3:
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T-NEXT: 1: 4:int main() { return test<1>() + test<2>(); }
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