text: // RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=/UNLIKELY_PATH/empty %s -emit-llvm -o - | FileCheck %s -check-prefix CHECK-NO-MAIN-FILE-NAME
  // RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=/UNLIKELY_PATH=empty %s -emit-llvm -o - | FileCheck %s -check-prefix CHECK-EVIL
  // RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=/UNLIKELY_PATH/empty %s -emit-llvm -o - -main-file-name debug-prefix-map.c | FileCheck %s
  // RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=/UNLIKELY_PATH/empty %s -emit-llvm -o - -fdebug-compilation-dir %p | FileCheck %s -check-prefix CHECK-COMPILATION-DIR
  // RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=/UNLIKELY_PATH/empty %s -emit-llvm -o - -isysroot %p -debugger-tuning=lldb | FileCheck %s -check-prefix CHECK-SYSROOT
  // RUN: %clang -g -fdebug-prefix-map=%p=/UNLIKELY_PATH/empty -S -c %s -emit-llvm -o - | FileCheck %s
  // RUN: %clang -g -ffile-prefix-map=%p=/UNLIKELY_PATH/empty -S -c %s -emit-llvm -o - | FileCheck %s
  
  #include "Inputs/stdio.h"
  
  int main(int argc, char **argv) {
    (void)argc;
    (void)argv;
    return 0;
  }
  
  void test_rewrite_includes() {
    __builtin_va_list argp;
    vprintf("string", argp);
  }
  
  // CHECK-NO-MAIN-FILE-NAME: !DIFile(filename: "/UNLIKELY_PATH/empty{{/|\\\\}}<stdin>"
  // CHECK-NO-MAIN-FILE-NAME: !DIFile(filename: "/UNLIKELY_PATH/empty{{/|\\\\}}{{.*}}",
  // On POSIX systems "Dir" should actually be empty, but on Windows we
  // can't recognize "/UNLIKELY_PATH" as being an absolute path.
  // CHECK-NO-MAIN-FILE-NAME-SAME:    directory: "{{()|(.*:.*)}}")
  // CHECK-NO-MAIN-FILE-NAME: !DIFile(filename: "/UNLIKELY_PATH/empty{{/|\\\\}}Inputs/stdio.h",
  // CHECK-NO-MAIN-FILE-NAME-SAME:    directory: "{{()|(.*:.*)}}")
  // CHECK-NO-MAIN-FILE-NAME-NOT: !DIFile(filename:
  
  // CHECK-EVIL: !DIFile(filename: "/UNLIKELY_PATH=empty{{/|\\\\}}{{.*}}"
  // CHECK-EVIL: !DIFile(filename: "/UNLIKELY_PATH=empty{{/|\\\\}}{{.*}}Inputs/stdio.h",
  // CHECK-EVIL-SAME:    directory: "{{()|(.*:.*)}}")
  // CHECK-EVIL-NOT: !DIFile(filename:
  
  // CHECK: !DIFile(filename: "/UNLIKELY_PATH/empty{{/|\\\\}}{{.*}}"
  // CHECK: !DIFile(filename: "/UNLIKELY_PATH/empty{{/|\\\\}}{{.*}}Inputs/stdio.h",
  // CHECK-SAME:    directory: "{{()|(.*:.*)}}")
  // CHECK-NOT: !DIFile(filename:
  
  // CHECK-COMPILATION-DIR: !DIFile(filename: "{{.*}}", directory: "/UNLIKELY_PATH/empty")
  // CHECK-COMPILATION-DIR: !DIFile(filename: "{{.*}}Inputs/stdio.h", directory: "/UNLIKELY_PATH/empty")
  // CHECK-COMPILATION-DIR-NOT: !DIFile(filename:
  // CHECK-SYSROOT: !DICompileUnit({{.*}}sysroot: "/UNLIKELY_PATH/empty"
  