clang/test/Driver/pch-codegen.cpp

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3
   4 // Create PCH without codegen.
   5 // RUN: %clang -x c++-header %S/../Modules/Inputs/codegen-flags/foo.h -### 2>&1 | FileCheck %s -check-prefix=CHECK-PCH-CREATE
   6 // CHECK-PCH-CREATE: -emit-pch
   7 // CHECK-PCH-CREATE-NOT: -fmodules-codegen
   8 // CHECK-PCH-CREATE-NOT: -fmodules-debuginfo
   9 /// Also test that the default extension name is .pch instead of .gch
  10 // CHECK-PCH-CREATE: "-o" "{{[^"]+.pch}}"
  11
  12 // Create PCH with -fpch-codegen.
  13 // RUN: %clang -x c++-header -fpch-codegen %S/../Modules/Inputs/codegen-flags/foo.h -o %t/foo-cg.pch -### 2>&1 | FileCheck %s -check-prefix=CHECK-PCH-CODEGEN-CREATE
  14 // CHECK-PCH-CODEGEN-CREATE: -emit-pch
  15 // CHECK-PCH-CODEGEN-CREATE: -fmodules-codegen
  16 // CHECK-PCH-CODEGEN-CREATE: "-x" "c++-header"
  17 // CHECK-PCH-CODEGEN-CREATE-NOT: -fmodules-debuginfo
  18
  19 // Create PCH with -fpch-debuginfo.
  20 // RUN: %clang -x c++-header -fpch-debuginfo %S/../Modules/Inputs/codegen-flags/foo.h -g -o %t/foo-di.pch -### 2>&1 | FileCheck %s -check-prefix=CHECK-PCH-DEBUGINFO-CREATE
  21 // CHECK-PCH-DEBUGINFO-CREATE: -emit-pch
  22 // CHECK-PCH-DEBUGINFO-CREATE: -fmodules-debuginfo
  23 // CHECK-PCH-DEBUGINFO-CREATE: "-x" "c++-header"
  24 // CHECK-PCH-DEBUGINFO-CREATE-NOT: -fmodules-codegen
  25
  26 // Create PCH's object file for -fpch-codegen.
  27 // RUN: touch %t/foo-cg.pch
  28 // RUN: %clang -c -fintegrated-as %t/foo-cg.pch -o %t/foo-cg.o -### 2>&1 | FileCheck %s -check-prefix=CHECK-PCH-CODEGEN-OBJ
  29 // CHECK-PCH-CODEGEN-OBJ: -emit-obj
  30 // CHECK-PCH-CODEGEN-OBJ: "-main-file-name" "foo-cg.pch"
  31 // CHECK-PCH-CODEGEN-OBJ: "-o" "{{.*}}foo-cg.o"
  32 // CHECK-PCH-CODEGEN-OBJ: "-x" "precompiled-header"
  33
  34 // Create PCH's object file for -fpch-debuginfo.
  35 // RUN: touch %t/foo-di.pch
  36 // RUN: %clang -c -fintegrated-as %t/foo-di.pch -g -o %t/foo-di.o -### 2>&1 | FileCheck %s -check-prefix=CHECK-PCH-DEBUGINFO-OBJ
  37 // CHECK-PCH-DEBUGINFO-OBJ: -emit-obj
  38 // CHECK-PCH-DEBUGINFO-OBJ: "-main-file-name" "foo-di.pch"
  39 // CHECK-PCH-DEBUGINFO-OBJ: "-o" "{{.*}}foo-di.o"
  40 // CHECK-PCH-DEBUGINFO-OBJ: "-x" "precompiled-header"