From a476ce78a0f3fb0fca2d0229070f0c68dcccb80f Mon Sep 17 00:00:00 2001
From: Justin Bogner <mail@justinbogner.com>
Date: Thu, 11 Sep 2014 23:20:48 +0000
Subject: [PATCH] Revert "llvm-cov: Remove an overly system specific test"

This fixes a call to sys::fs::equivalent that should've been to
CodeCoverageTool::equivalentFiles, which lets us restore the test of
r217476 that was removed in r217478.

This reverts r217478, but the test works this time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217646 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../llvm-cov/Inputs/showExpansions.covmapping | Bin 234 -> 234 bytes
 test/tools/llvm-cov/showExpansions.cpp        |  31 ++++++++++++++++++
 tools/llvm-cov/CodeCoverage.cpp               |   2 +-
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 test/tools/llvm-cov/showExpansions.cpp

diff --git a/test/tools/llvm-cov/Inputs/showExpansions.covmapping b/test/tools/llvm-cov/Inputs/showExpansions.covmapping
index dd73090ccd9639b379dbf19ba1bf6e0ab6929c43..67337675cf43601873952ab7d04c3316ec43d6e3 100644
GIT binary patch
delta 27
icmaFG_=<6Yt6)ZcZmND&YEgc2etwRAaZ&QbuqgnT01ET~

delta 27
icmaFG_=<6Yt6*qxYEiL%Qhs_~YLR|&eoE@ZuqgnQr3%0R

diff --git a/test/tools/llvm-cov/showExpansions.cpp b/test/tools/llvm-cov/showExpansions.cpp
new file mode 100644
index 00000000000..db5786b9892
--- /dev/null
+++ b/test/tools/llvm-cov/showExpansions.cpp
@@ -0,0 +1,31 @@
+// RUN: llvm-cov show %S/Inputs/showExpansions.covmapping -instr-profile %S/Inputs/showExpansions.profdata -dump -show-expansions -filename-equivalence %s | FileCheck %s
+
+#define DO_SOMETHING_ELSE() \
+  do {                      \
+  } while (0)
+#define ANOTHER_THING() \
+  do {                  \
+    if (0) {            \
+    }                   \
+  } while (0)
+
+#define DO_SOMETHING(x)    \
+  do {                     \
+    if (x)                 \
+      DO_SOMETHING_ELSE(); \
+    else                   \
+      ANOTHER_THING();     \
+  } while (0)
+
+int main(int argc, const char *argv[]) {
+  for (int i = 0; i < 100; ++i)
+    DO_SOMETHING(i);
+  return 0;
+}
+
+// CHECK: Expansion of {{[0-9]+}}:13 -> 18 @ {{[0-9]+}}, 22:5
+// CHECK: Expansion of {{[0-9]+}}:4 -> 5 @ {{[0-9]+}}, 15:7
+// CHECK: Expansion of {{[0-9]+}}:7 -> 10 @ {{[0-9]+}}, 17:7
+
+// llvm-cov doesn't work on big endian yet
+// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/tools/llvm-cov/CodeCoverage.cpp b/tools/llvm-cov/CodeCoverage.cpp
index 549af92f918..9330ea91ce9 100644
--- a/tools/llvm-cov/CodeCoverage.cpp
+++ b/tools/llvm-cov/CodeCoverage.cpp
@@ -177,7 +177,7 @@ CodeCoverageTool::getSourceFile(StringRef SourceFile) {
   SmallString<256> Path(SourceFile);
   sys::fs::make_absolute(Path);
   for (const auto &Files : LoadedSourceFiles) {
-    if (sys::fs::equivalent(Path.str(), Files.first)) {
+    if (equivalentFiles(Path.str(), Files.first)) {
       return *Files.second;
     }
   }