https://github.com/JDPailleux created
https://github.com/llvm/llvm-project/pull/132409
Exposes `-m32` and `-m64` options for Flang.
These options can be used to build libraries or tools (e.g. OpenBlas).
>From 404fae7c320f38f27aa666b92660341866cec0bd Mon Sep 17 00:00:00 2001
From: Jean-Didier Pailleux <jean-didier.paill...@sipearl.com>
Date: Tue, 18 Mar 2025 14:51:05 +0100
Subject: [PATCH] [flang] Expose -m32 and -m64 options
---
clang/include/clang/Driver/Options.td | 4 ++--
flang/test/Driver/driver-options.f90 | 6 ++++++
2 files changed, 8 insertions(+), 2 deletions(-)
create mode 100644 flang/test/Driver/driver-options.f90
diff --git a/clang/include/clang/Driver/Options.td
b/clang/include/clang/Driver/Options.td
index 66ae8f1c7f064..ddeb94e7b929f 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4671,14 +4671,14 @@ def EB : Flag<["-"], "EB">, Alias<mbig_endian>;
def m16 : Flag<["-"], "m16">, Group<m_Group>, Flags<[NoXarchOption]>,
Visibility<[ClangOption, CLOption, DXCOption]>;
def m32 : Flag<["-"], "m32">, Group<m_Group>, Flags<[NoXarchOption]>,
- Visibility<[ClangOption, CLOption, DXCOption]>;
+ Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>;
def maix32 : Flag<["-"], "maix32">, Group<m_Group>, Flags<[NoXarchOption]>;
def mqdsp6_compat : Flag<["-"], "mqdsp6-compat">, Group<m_Group>,
Flags<[NoXarchOption]>, Visibility<[ClangOption, CC1Option]>,
HelpText<"Enable hexagon-qdsp6 backward compatibility">,
MarshallingInfoFlag<LangOpts<"HexagonQdsp6Compat">>;
def m64 : Flag<["-"], "m64">, Group<m_Group>, Flags<[NoXarchOption]>,
- Visibility<[ClangOption, CLOption, DXCOption]>;
+ Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>;
def maix64 : Flag<["-"], "maix64">, Group<m_Group>, Flags<[NoXarchOption]>;
def mx32 : Flag<["-"], "mx32">, Group<m_Group>, Flags<[NoXarchOption]>,
Visibility<[ClangOption, CLOption, DXCOption]>;
diff --git a/flang/test/Driver/driver-options.f90
b/flang/test/Driver/driver-options.f90
new file mode 100644
index 0000000000000..db7d5ba84d49e
--- /dev/null
+++ b/flang/test/Driver/driver-options.f90
@@ -0,0 +1,6 @@
+! Check support of -m32 and -m64.
+! RUN: %flang -target x86_64-pc-win32 -m32 -### - %s 2>&1 | FileCheck
-check-prefix=M32 %s
+! RUN: %flang -target i386-pc-win32 -m64 -### - %s 2>&1 | FileCheck
-check-prefix=M64 %s
+
+! M32: "-triple" "i{{[0-9]}}86-{{.*}}"
+! M64: "-triple" "{{[^-]+}}64-{{.*}}"
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