clang/test/Driver/cc1-spawnprocess.c

   1 // If a toolchain uses an external assembler, the test would fail because using
   2 // an external assember would increase job counts. Most toolchains in tree
   3 // use integrated assembler, but we still support external assembler.
   4 // So -fintegrated-as is specified explicitly when applicable.
   5
   6 // RUN: %clang -fintegrated-cc1 -fintegrated-as -c -### %s 2>&1 | FileCheck %s --check-prefix=YES
   7 // RUN: %clang -fno-integrated-cc1 -c -### %s 2>&1 | FileCheck %s --check-prefix=NO
   8
   9 // RUN: %clang -fintegrated-cc1 -fno-integrated-cc1 -c -### %s 2>&1 \
  10 // RUN:     | FileCheck %s --check-prefix=NO
  11 // RUN: %clang -fno-integrated-cc1 -fintegrated-cc1 -fintegrated-as -c -### %s 2>&1 \
  12 // RUN:     | FileCheck %s --check-prefix=YES
  13
  14 // RUN: %clang_cl -fintegrated-cc1 -fintegrated-as -c -### -- %s 2>&1 \
  15 // RUN:     | FileCheck %s --check-prefix=YES
  16 // RUN: %clang_cl -fno-integrated-cc1 -c -### -- %s 2>&1 \
  17 // RUN:     | FileCheck %s --check-prefix=NO
  18
  19 // RUN: env CCC_OVERRIDE_OPTIONS=+-fintegrated-cc1 \
  20 // RUN:     %clang -fintegrated-cc1 -fintegrated-as -c -### %s 2>&1 \
  21 // RUN:     | FileCheck %s --check-prefix=YES
  22 // RUN: env CCC_OVERRIDE_OPTIONS=+-fno-integrated-cc1 \
  23 // RUN:     %clang -fintegrated-cc1 -c -### %s 2>&1 \
  24 // RUN:     | FileCheck %s --check-prefix=NO
  25
  26 // YES: (in-process)
  27 // NO-NOT: (in-process)
  28
  29 // The following tests ensure that only one integrated-cc1 is executed.
  30
  31 // Only one TU, one job, thus integrated-cc1 is enabled.
  32 // RUN: %clang -fintegrated-cc1 -fintegrated-as -c %s -### 2>&1 | FileCheck %s --check-prefix=YES
  33
  34 // Only one TU, but we're linking, two jobs, thus integrated-cc1 is disabled.
  35 // RUN: %clang -fintegrated-cc1 %s -### 2>&1 | FileCheck %s --check-prefix=NO
  36
  37 // RUN: echo 'int main() { return f() + g(); }' > %t1.cpp
  38 // RUN: echo 'int f() { return 1; }' > %t2.cpp
  39 // RUN: echo 'int g() { return 2; }' > %t3.cpp
  40
  41 // Three jobs, thus integrated-cc1 is disabled.
  42 // RUN: %clang -fintegrated-cc1 -c %t1.cpp %t2.cpp %t3.cpp -### 2>&1 | FileCheck %s --check-prefix=NO
  43
  44 // -fintegrated-cc1 works with cc1as.
  45 // macOS triples have an extra -x assembler-with-cpp job so (in-process) is not triggered.
  46 // RUN: echo > %t.s
  47 // RUN: %clang --target=x86_64-linux -fintegrated-cc1 -fintegrated-as -c -### %t.s 2>&1 | FileCheck %s --check-prefix=YES
  48 // RUN: %clang --target=x86_64-linux -fno-integrated-cc1 -c -### %t.s 2>&1 | FileCheck %s --check-prefix=NO