[Flang][Driver] Enable config file options #100343
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@llvm/pr-subscribers-clang @llvm/pr-subscribers-flang-driver Author: Kiran Chandramohan (kiranchandramohan) ChangesConfig files provide a facility to invoke the compiler with a predefined set of options. The patch only enables these options in the flang driver. Functionality was always there. Full diff: https://github.com/llvm/llvm-project/pull/100343.diff 8 Files Affected:
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 58ca6f2bea9e4..86443cb22ea4e 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -1163,19 +1163,19 @@ def client__name : JoinedOrSeparate<["-"], "client_name">;
def combine : Flag<["-", "--"], "combine">, Flags<[NoXarchOption, Unsupported]>;
def compatibility__version : JoinedOrSeparate<["-"], "compatibility_version">;
def config : Joined<["--"], "config=">, Flags<[NoXarchOption]>,
- Visibility<[ClangOption, CLOption, DXCOption]>, MetaVarName<"<file>">,
+ Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>, MetaVarName<"<file>">,
HelpText<"Specify configuration file">;
-def : Separate<["--"], "config">, Alias<config>;
+def : Separate<["--"], "config">, Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>, Alias<config>;
def no_default_config : Flag<["--"], "no-default-config">,
- Flags<[NoXarchOption]>, Visibility<[ClangOption, CLOption, DXCOption]>,
+ Flags<[NoXarchOption]>, Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>,
HelpText<"Disable loading default configuration files">;
def config_system_dir_EQ : Joined<["--"], "config-system-dir=">,
Flags<[NoXarchOption, HelpHidden]>,
- Visibility<[ClangOption, CLOption, DXCOption]>,
+ Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>,
HelpText<"System directory for configuration files">;
def config_user_dir_EQ : Joined<["--"], "config-user-dir=">,
Flags<[NoXarchOption, HelpHidden]>,
- Visibility<[ClangOption, CLOption, DXCOption]>,
+ Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>,
HelpText<"User directory for configuration files">;
def coverage : Flag<["-", "--"], "coverage">, Group<Link_Group>,
Visibility<[ClangOption, CLOption]>;
diff --git a/flang/test/Driver/Inputs/config-1.cfg b/flang/test/Driver/Inputs/config-1.cfg
new file mode 100644
index 0000000000000..824e128a42b63
--- /dev/null
+++ b/flang/test/Driver/Inputs/config-1.cfg
@@ -0,0 +1 @@
+-flto
diff --git a/flang/test/Driver/Inputs/config-2.cfg b/flang/test/Driver/Inputs/config-2.cfg
new file mode 100644
index 0000000000000..4e8d01b668e83
--- /dev/null
+++ b/flang/test/Driver/Inputs/config-2.cfg
@@ -0,0 +1 @@
+-fno-signed-zeros
diff --git a/flang/test/Driver/Inputs/config-2a.cfg b/flang/test/Driver/Inputs/config-2a.cfg
new file mode 100644
index 0000000000000..cd2916c98afe2
--- /dev/null
+++ b/flang/test/Driver/Inputs/config-2a.cfg
@@ -0,0 +1 @@
+-fopenmp
diff --git a/flang/test/Driver/Inputs/config-6.cfg b/flang/test/Driver/Inputs/config-6.cfg
new file mode 100644
index 0000000000000..81e9830f63be4
--- /dev/null
+++ b/flang/test/Driver/Inputs/config-6.cfg
@@ -0,0 +1 @@
+-fstack-arrays
diff --git a/flang/test/Driver/Inputs/config/config-4.cfg b/flang/test/Driver/Inputs/config/config-4.cfg
new file mode 100644
index 0000000000000..d15a7108d4e21
--- /dev/null
+++ b/flang/test/Driver/Inputs/config/config-4.cfg
@@ -0,0 +1 @@
+-O3
diff --git a/flang/test/Driver/Inputs/config2/config-4.cfg b/flang/test/Driver/Inputs/config2/config-4.cfg
new file mode 100644
index 0000000000000..9d1c3e38c8680
--- /dev/null
+++ b/flang/test/Driver/Inputs/config2/config-4.cfg
@@ -0,0 +1 @@
+-ffp-contract=fast
diff --git a/flang/test/Driver/config-file.f90 b/flang/test/Driver/config-file.f90
new file mode 100644
index 0000000000000..70316dd971f36
--- /dev/null
+++ b/flang/test/Driver/config-file.f90
@@ -0,0 +1,63 @@
+!--- Config file (full path) in output of -###
+!
+! RUN: %flang --config-system-dir=%S/Inputs/config --config-user-dir=%S/Inputs/config2 -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-DIRS
+! CHECK-DIRS: System configuration file directory: {{.*}}/Inputs/config
+! CHECK-DIRS: User configuration file directory: {{.*}}/Inputs/config2
+!
+!--- Config file (full path) in output of -###
+!
+! RUN: %flang --config %S/Inputs/config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH
+! RUN: %flang --config=%S/Inputs/config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH
+! CHECK-HHH: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
+! CHECK-HHH: -flto
+!
+!
+!--- Config file (full path) in output of -v
+!
+! RUN: %flang --config %S/Inputs/config-1.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-V
+! CHECK-V: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
+! CHECK-V: -flto
+!
+!--- Config file in output of -###
+!
+! RUN: %flang --config-system-dir=%S/Inputs --config-user-dir= --config config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH2
+! CHECK-HHH2: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
+! CHECK-HHH2: -flto
+!
+!--- Config file in output of -v
+!
+! RUN: %flang --config-system-dir=%S/Inputs --config-user-dir= --config config-1.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-V2
+! CHECK-V2: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
+! CHECK-V2: -flto
+!
+!--- Nested config files
+!
+! RUN: %flang --config-system-dir=%S/Inputs --config-user-dir= --config config-2.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED
+! CHECK-NESTED: Configuration file: {{.*}}Inputs{{.}}config-2.cfg
+! CHECK-NESTED: -fno-signed-zeros
+!
+! RUN: %flang --config-system-dir=%S/Inputs --config-user-dir=%S/Inputs/config --config config-6.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED2
+! CHECK-NESTED2: Configuration file: {{.*}}Inputs{{.}}config-6.cfg
+! CHECK-NESTED2: -fstack-arrays
+!
+!
+! RUN: %flang --config %S/Inputs/config-2a.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTEDa
+! CHECK-NESTEDa: Configuration file: {{.*}}Inputs{{.}}config-2a.cfg
+! CHECK-NESTEDa: -fopenmp
+!
+! RUN: %flang --config-system-dir=%S/Inputs --config-user-dir= --config config-2a.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED2a
+! CHECK-NESTED2a: Configuration file: {{.*}}Inputs{{.}}config-2a.cfg
+! CHECK-NESTED2a: -fopenmp
+!
+!--- User directory is searched first.
+!
+! RUN: %flang --config-system-dir=%S/Inputs/config --config-user-dir=%S/Inputs/config2 --config config-4.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-PRECEDENCE
+! CHECK-PRECEDENCE: Configuration file: {{.*}}Inputs{{.}}config2{{.}}config-4.cfg
+! CHECK-PRECEDENCE: -ffp-contract=fast
+!
+!--- Multiple configuration files can be specified.
+! RUN: %flang --config-system-dir=%S/Inputs/config --config-user-dir= --config config-4.cfg --config %S/Inputs/config2/config-4.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-TWO-CONFIGS
+! CHECK-TWO-CONFIGS: Configuration file: {{.*}}Inputs{{.}}config{{.}}config-4.cfg
+! CHECK-TWO-CONFIGS-NEXT: Configuration file: {{.*}}Inputs{{.}}config2{{.}}config-4.cfg
+! CHECK-TWO-CONFIGS: -ffp-contract=fast
+! CHECK-TWO-CONFIGS: -O3
|
pawosm-arm
approved these changes
Jul 24, 2024
banach-space
approved these changes
Jul 24, 2024
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/cherry-pick 8a77961 |
llvmbot
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that referenced
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Jul 25, 2024
Config files provide a facility to invoke the compiler with a predefined set of options. The patch only enables these options in the flang driver. Functionality was always there. (cherry picked from commit 8a77961)
|
/pull-request #100541 |
yuxuanchen1997
pushed a commit
that referenced
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Jul 25, 2024
Summary: Config files provide a facility to invoke the compiler with a predefined set of options. The patch only enables these options in the flang driver. Functionality was always there. Test Plan: Reviewers: Subscribers: Tasks: Tags: Differential Revision: https://phabricator.intern.facebook.com/D60250529
tru
pushed a commit
to llvmbot/llvm-project
that referenced
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Jul 26, 2024
Config files provide a facility to invoke the compiler with a predefined set of options. The patch only enables these options in the flang driver. Functionality was always there. (cherry picked from commit 8a77961)
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Config files provide a facility to invoke the compiler with a predefined set of options. The patch only enables these options in the flang driver. Functionality was always there.