From b5da3120b8ca99ad626af937eff0509ffa8e3440 Mon Sep 17 00:00:00 2001
From: Keith Smiley <keithbsmiley@gmail.com>
Date: Thu, 26 Aug 2021 23:36:49 -0700
Subject: [PATCH] [llvm-cov][NFC] Add test for coverage-prefix-map remappings

This test covers acts as a regression test for these fixes:

c75a0a1e9dc29be4e00d37d0d00288afc1a6153f
dd388ba3e0b0a5f06565d0bcb6e1aebb5daac065

Differential Revision: https://reviews.llvm.org/D108805
---
 .../llvm-cov/Inputs/coverage_prefix_map/bar.h      |   3 +++
 .../llvm-cov/Inputs/coverage_prefix_map/main.cc    |   9 +++++++
 .../Inputs/coverage_prefix_map/main.covmapping     | Bin 0 -> 205 bytes
 .../Inputs/coverage_prefix_map/main.profdata       | Bin 0 -> 760 bytes
 llvm/test/tools/llvm-cov/coverage-prefix-map.test  |  27 +++++++++++++++++++++
 5 files changed, 39 insertions(+)
 create mode 100644 llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/bar.h
 create mode 100644 llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.cc
 create mode 100644 llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.covmapping
 create mode 100644 llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.profdata
 create mode 100644 llvm/test/tools/llvm-cov/coverage-prefix-map.test

diff --git a/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/bar.h b/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/bar.h
new file mode 100644
index 0000000..a4957da
--- /dev/null
+++ b/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/bar.h
@@ -0,0 +1,3 @@
+int bar() {
+  return 0;
+}
diff --git a/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.cc b/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.cc
new file mode 100644
index 0000000..2f4ea0a
--- /dev/null
+++ b/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.cc
@@ -0,0 +1,9 @@
+#include "bar.h"
+
+int foo() {
+  return 1;
+}
+
+int main() {
+  return bar();
+}
diff --git a/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.covmapping b/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.covmapping
new file mode 100644
index 0000000000000000000000000000000000000000..6f3062c20c57398c1fbf4f70150bca417c8fa31c
GIT binary patch
literal 205
zcmd1FDa%dHFUu`SEiOq(EJ+lb(Ae4_Ai@wIWt@~)RK^IT)AIAn7;_Ud^BAB&7)rAO
zX=VWiMm<)bQoRgzkQ%+@WUy?C(=$d5A<d7RK%N9tee{$3$y?r=`!F&xFfuZ7Gcf_h
kt4+9$|LN$h$EuDAsE!$;?$_1c=VmEWZ{t+Q&cnn600mnv<^TWy

literal 0
HcmV?d00001

diff --git a/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.profdata b/llvm/test/tools/llvm-cov/Inputs/coverage_prefix_map/main.profdata
new file mode 100644
index 0000000000000000000000000000000000000000..352a1e234684c71ab73a3d76f227b762f549d8cb
GIT binary patch
literal 760
zcmeyLQ&5zjmf6V8fE}!0f{3$0r3IigGaAhZ<-=$wmjSAsK|mcQf=VxFL)QV3ci@HD
zfU5q%WENBbD6c^Z=0a3yg@q8G!EAxK=YTpVSRuN2!a6Rj;tZxdSj89Y=EW-hp^gu$
zxPdf3R`Ccs?BaJEv5T8IVHdZ@A<oF~>uT?Fvy`c~Vd19$b_WAPZenJh1e6U64H(S<
z7q2$qI{v4lw;q;GV7lX@jMMV-%g_yg>SI6{kmB@=QA0@cBNhXa5{oblKz9MmAnd7v
Uf#C&IgBmn~(_s+}a|s#^09~mkdH?_b

literal 0
HcmV?d00001

diff --git a/llvm/test/tools/llvm-cov/coverage-prefix-map.test b/llvm/test/tools/llvm-cov/coverage-prefix-map.test
new file mode 100644
index 0000000..eaebae3
--- /dev/null
+++ b/llvm/test/tools/llvm-cov/coverage-prefix-map.test
@@ -0,0 +1,27 @@
+# RUN: llvm-cov report -path-equivalence=.,%S/Inputs/coverage_prefix_map \
+# RUN:   -instr-profile %S/Inputs/coverage_prefix_map/main.profdata \
+# RUN:   %S/Inputs/coverage_prefix_map/main.covmapping \
+# RUN:   %S/Inputs/coverage_prefix_map/bar.h \
+# RUN:   | FileCheck --check-prefix=REPORT --implicit-check-not=main.c %s
+
+# RUN: llvm-cov export -format lcov -path-equivalence=.,%S/Inputs/coverage_prefix_map \
+# RUN:   -instr-profile %S/Inputs/coverage_prefix_map/main.profdata \
+# RUN:   %S/Inputs/coverage_prefix_map/main.covmapping \
+# RUN:   %S/Inputs/coverage_prefix_map/bar.h \
+# RUN:   | FileCheck --check-prefix=LCOV --implicit-check-not=main.c %s
+
+# REPORT: {{^}}bar.h{{.*}}
+# REPORT: {{^}}TOTAL{{.*}}100.00%
+
+# LCOV: SF:.{{/|\\+}}bar.h
+# LCOV-NOT: SF
+
+Instructions for regenerating the test:
+# cd %S/Inputs/coverage_prefix_map
+cp -r . /tmp/coverage_prefix_map
+
+clang -fprofile-instr-generate -mllvm -enable-name-compression=false -fcoverage-mapping -fcoverage-prefix-map=$PWD=. main.cc -o main
+LLVM_PROFILE_FILE="main.raw" ./main
+llvm-profdata merge main.raw -o main.profdata
+llvm-cov convert-for-testing ./main -o ./main.covmapping
+rm main main.raw
-- 
2.7.4