clang/test/Driver/darwin-ld-lto.c

   1 // Check that ld gets "-lto_library".
   2
   3 // RUN: mkdir -p %t/bin
   4 // RUN: mkdir -p %t/lib
   5 // RUN: touch %t/lib/libLTO.dylib
   6 // RUN: %clang -fuse-ld= --target=x86_64-apple-darwin10 -### %s \
   7 // RUN:   -ccc-install-dir %t/bin -mlinker-version=133 2> %t.log
   8 // RUN: FileCheck -check-prefix=LINK_LTOLIB_PATH %s -input-file %t.log
   9 //
  10 // LINK_LTOLIB_PATH: {{ld(.exe)?"}}
  11 // LINK_LTOLIB_PATH: "-lto_library"
  12
  13 // Also pass -lto_library even if the file doesn't exist; if it's needed at
  14 // link time, ld will complain instead.
  15 // RUN: %clang -fuse-ld= --target=x86_64-apple-darwin10 -### %s \
  16 // RUN:   -ccc-install-dir %S/dummytestdir -mlinker-version=133 2> %t.log
  17 // RUN: FileCheck -check-prefix=LINK_LTOLIB_PATH %s -input-file %t.log
  18
  19
  20 // Check that -object_lto_path is passed correctly to ld64
  21 // RUN: %clang -fuse-ld= --target=x86_64-apple-darwin10 %s -flto=full \
  22 // RUN:     -mlinker-version=116 -### 2>&1 \
  23 // RUN:     | FileCheck -check-prefix=FULL_LTO_OBJECT_PATH %s
  24 // FULL_LTO_OBJECT_PATH: {{ld(.exe)?"}}
  25 // FULL_LTO_OBJECT_PATH-SAME: "-object_path_lto"
  26 // FULL_LTO_OBJECT_PATH-SAME: {{cc\-[a-zA-Z0-9_]+.o}}"
  27 // RUN: %clang -fuse-ld= --target=x86_64-apple-darwin10 %s -flto=thin \
  28 // RUN:     -mlinker-version=116 -### 2>&1 \
  29 // RUN:     | FileCheck -check-prefix=THIN_LTO_OBJECT_PATH %s
  30 // THIN_LTO_OBJECT_PATH: {{ld(.exe)?"}}
  31 // THIN_LTO_OBJECT_PATH-SAME: "-object_path_lto"
  32 // THIN_LTO_OBJECT_PATH-SAME: {{thinlto\-[a-zA-Z0-9_]+}}
  33
  34
  35 // Check that we pass through -fglobal-isel flags to libLTO.
  36 // RUN: %clang --target=arm64-apple-darwin %s -flto -fglobal-isel -### 2>&1 | \
  37 // RUN:   FileCheck --check-prefix=GISEL %s
  38 // GISEL: {{ld(.exe)?"}}
  39 // GISEL: "-mllvm" "-global-isel"
  40 // GISEL: "-mllvm" "-global-isel-abort=0"
  41
  42
  43 // Check that we disable atexit()-based global destructor lowering when
  44 // compiling/linking for kernel/kext/freestanding.
  45 // RUN: %clang --target=arm64-apple-darwin %s -flto -fapple-kext -### 2>&1 | \
  46 // RUN:   FileCheck --check-prefix=KEXT %s
  47 // KEXT: {{ld(.exe)?"}}
  48 // KEXT: "-mllvm" "-disable-atexit-based-global-dtor-lowering"