[llvm-cov] Drop the longest common filename prefix from summaries
Remove the longest common prefix from filenames when printing coverage
summaries. This makes them easier to compare.
llvm-svn: 280895
diff --git a/llvm/test/tools/llvm-cov/multiple-files.test b/llvm/test/tools/llvm-cov/multiple-files.test
new file mode 100644
index 0000000..0b3fb85
--- /dev/null
+++ b/llvm/test/tools/llvm-cov/multiple-files.test
@@ -0,0 +1,9 @@
+// RUN: llvm-profdata merge %S/Inputs/multiple-files.proftext -o %t.profdata
+// RUN: llvm-cov report %S/Inputs/multiple-files.covmapping -instr-profile %t.profdata | FileCheck %s
+
+// CHECK: Filename
+// CHECK-NEXT: ---
+// CHECK-NEXT: {{^}}a{{[/\\]}}f2.c
+// CHECK-NEXT: {{^}}b{{[/\\]}}c{{[/\\]}}f4.c
+// CHECK-NEXT: {{^}}b{{[/\\]}}f3.c
+// CHECK-NEXT: {{^}}f1.c