Re: [PATCH] [clang] PR21195: Emit .gcno files to the proper location.

[Dan Albert]

Add an additional test with a relative -o path.

http://reviews.llvm.org/D5697

Files:
  lib/Driver/Tools.cpp
  test/Driver/clang_f_opts.c

Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -3241,7 +3241,13 @@
       C.getArgs().hasArg(options::OPT_S)) {
     if (Output.isFilename()) {
       CmdArgs.push_back("-coverage-file");
-      SmallString<128> CoverageFilename(Output.getFilename());
+      SmallString<128> CoverageFilename;
+      Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o);
+      if (FinalOutput) {
+        CoverageFilename = FinalOutput->getValue();
+      } else {
+        CoverageFilename = llvm::sys::path::filename(Output.getBaseInput());
+      }
       if (llvm::sys::path::is_relative(CoverageFilename.str())) {
         SmallString<128> Pwd;
         if (!llvm::sys::fs::current_path(Pwd)) {
Index: test/Driver/clang_f_opts.c
===================================================================
--- test/Driver/clang_f_opts.c
+++ test/Driver/clang_f_opts.c
@@ -66,6 +66,23 @@
 // CHECK-PROFILE-ARCS: "-femit-coverage-data"
 // CHECK-NO-PROFILE-ARCS-NOT: "-femit-coverage-data"
 
+// RUN: %clang -### -S -fprofile-arcs %s 2>&1 | FileCheck -check-prefix=CHECK-GCNO-DEFAULT-LOCATION %s
+// RUN: %clang -### -S -fprofile-arcs -no-integrated-as %s 2>&1 | FileCheck -check-prefix=CHECK-GCNO-DEFAULT-LOCATION %s
+// RUN: %clang -### -c -fprofile-arcs %s 2>&1 | FileCheck -check-prefix=CHECK-GCNO-DEFAULT-LOCATION %s
+// RUN: %clang -### -c -fprofile-arcs -no-integrated-as %s 2>&1 | FileCheck -check-prefix=CHECK-GCNO-DEFAULT-LOCATION %s
+// RUN: %clang -### -S -fprofile-arcs %s -o /foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION %s
+// RUN: %clang -### -S -fprofile-arcs -no-integrated-as %s -o /foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION %s
+// RUN: %clang -### -c -fprofile-arcs %s -o /foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION %s
+// RUN: %clang -### -c -fprofile-arcs -no-integrated-as %s -o /foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION %s
+// RUN: %clang -### -S -fprofile-arcs %s -o foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION-REL-PATH %s
+// RUN: %clang -### -S -fprofile-arcs -no-integrated-as %s -o foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION-REL-PATH %s
+// RUN: %clang -### -c -fprofile-arcs %s -o foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION-REL-PATH %s
+// RUN: %clang -### -c -fprofile-arcs -no-integrated-as %s -o foo/bar.o 2>&1 | FileCheck -check-prefix=CHECK-GCNO-LOCATION-REL-PATH %s
+// CHECK-GCNO-DEFAULT-LOCATION: "-coverage-file" "{{.*}}/clang_f_opts.c"
+// CHECK-GCNO-DEFAULT-LOCATION-NOT: "-coverage-file" "/tmp/{{.*}}/clang_f_opts.c"
+// CHECK-GCNO-LOCATION: "-coverage-file" "/foo/bar.o"
+// CHECK-GCNO-LOCATION-REL-PATH: "-coverage-file" "{{.*}}/foo/bar.o"
+
 // RUN: %clang -### -S -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 // RUN: %clang -### -S -fno-vectorize -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 // RUN: %clang -### -S -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s

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