clang/test/Driver/x86-mtune.c

   1 // Ensure we support the -mtune flag.
   2
   3 // cpu: "-target-cpu" "x86-64"
   4
   5 // Default mtune should be generic.
   6 // RUN: %clang -### -c --target=x86_64 %s 2>&1 | FileCheck %s -check-prefix=generic
   7
   8 // RUN: %clang -### -c --target=x86_64 %s -mtune=generic 2>&1 | FileCheck %s --check-prefixes=cpu,generic
   9 // generic: "-tune-cpu" "generic"
  10
  11 // RUN: %clang -### -c --target=x86_64 %s -mtune=nocona 2>&1 | FileCheck %s --check-prefixes=cpu,nocona
  12 // nocona: "-tune-cpu" "nocona"
  13
  14 // Unlike march we allow 32-bit only cpus with mtune.
  15
  16 // RUN: %clang -### -c --target=x86_64 %s -mtune=i686 2>&1 | FileCheck %s --check-prefixes=cpu,i686
  17 // i686: "-tune-cpu" "i686"
  18
  19 // RUN: %clang -### -c --target=x86_64 %s -mtune=pentium4 2>&1 | FileCheck %s -check-prefix=pentium4
  20 // pentium4: "-tune-cpu" "pentium4"
  21
  22 // RUN: %clang -### -c --target=x86_64 %s -mtune=athlon 2>&1 | FileCheck %s -check-prefixes=cpu,athlon
  23 // athlon: "-tune-cpu" "athlon"
  24
  25 // Check interaction between march and mtune.
  26
  27 // -march should remove default mtune generic.
  28 // RUN: %clang -### -c --target=x86_64 %s -march=core2 2>&1 | FileCheck %s -check-prefix=marchcore2
  29 // marchcore2: "-target-cpu" "core2"
  30 // marchcore2-NOT: "-tune-cpu"
  31
  32 // -march should remove default mtune generic.
  33 // RUN: %clang -### -c --target=x86_64 %s -march=core2 -mtune=nehalem 2>&1 | FileCheck %s -check-prefix=marchmtune
  34 // marchmtune: "-target-cpu" "core2"
  35 // mmarchmtune: "-tune-cpu" "nehalem"
  36
  37 // RUN: not %clang %s -target x86_64 -E -mtune=x86-64-v2 2>&1 | FileCheck %s --check-prefix=INVALID
  38 // RUN: not %clang %s -target x86_64 -E -mtune=x86-64-v3 2>&1 | FileCheck %s --check-prefix=INVALID
  39 // RUN: not %clang %s -target x86_64 -E -mtune=x86-64-v4 2>&1 | FileCheck %s --check-prefix=INVALID
  40 // INVALID: error: unknown target CPU '{{.*}}'