[PATCH] D117292: [Driver] Pass the flag -dI to cc1 invocation

[Qichao Gu via Phabricator via cfe-commits]

qichaogu created this revision.
qichaogu added a reviewer: cfe-commits.
qichaogu requested review of this revision.

Hook up the flag -dI in the driver to pass it to cc1 invocation.


https://reviews.llvm.org/D117292

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/preprocessor.c


Index: clang/test/Driver/preprocessor.c
===================================================================
--- clang/test/Driver/preprocessor.c
+++ clang/test/Driver/preprocessor.c
@@ -4,3 +4,11 @@
 #define A B
 A A
 
+// The driver should pass preprocessor dump flags (-dD, -dM and -dI) to cc1 invocation
+// RUN: %clang -### -E -dD %s 2>&1 | FileCheck --check-prefix=CHECK-dD %s
+// RUN: %clang -### -E -dM %s 2>&1 | FileCheck --check-prefix=CHECK-dM %s
+// RUN: %clang -### -E -dI %s 2>&1 | FileCheck --check-prefix=CHECK-dI %s
+// CHECK-dD: clang{{.*}} "-cc1" {{.*}} "-dD"
+// CHECK-dM: clang{{.*}} "-cc1" {{.*}} "-dM"
+// CHECK-dI: clang{{.*}} "-cc1" {{.*}} "-dI"
+
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -6666,6 +6666,7 @@
 
   Args.AddLastArg(CmdArgs, options::OPT_dM);
   Args.AddLastArg(CmdArgs, options::OPT_dD);
+  Args.AddLastArg(CmdArgs, options::OPT_dI);
 
   Args.AddLastArg(CmdArgs, options::OPT_fmax_tokens_EQ);
 


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