Author: Craig Topper Date: 2020-09-02T20:27:38-07:00 New Revision: ca134374b74e2c2c6e96695502f3a0974c1da4c1
URL: https://github.com/llvm/llvm-project/commit/ca134374b74e2c2c6e96695502f3a0974c1da4c1 DIFF: https://github.com/llvm/llvm-project/commit/ca134374b74e2c2c6e96695502f3a0974c1da4c1.diff LOG: [X86] Add a /tune: option for clang-cl We recently added support for -mtune. This patch adds /tune: so we can specify the tune CPU from clang-cl. MSVC doesn't support this but icc does. Differential Revision: https://reviews.llvm.org/D86820 Added: Modified: clang/include/clang/Driver/Options.td clang/test/Driver/cl-x86-flags.c Removed: ################################################################################ diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index 5a6a196191e7..912192660c14 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -4696,6 +4696,9 @@ def _SLASH_openmp : CLFlag<"openmp">, HelpText<"Enable OpenMP support">, def _SLASH_openmp_experimental : CLFlag<"openmp:experimental">, HelpText<"Enable OpenMP support with experimental SIMD support">, Alias<fopenmp>; +def _SLASH_tune : CLCompileJoined<"tune:">, + HelpText<"Set CPU for optimization without affecting instruction set">, + Alias<mtune_EQ>; // Non-aliases: diff --git a/clang/test/Driver/cl-x86-flags.c b/clang/test/Driver/cl-x86-flags.c index 595959b48828..15e3e012f2ac 100644 --- a/clang/test/Driver/cl-x86-flags.c +++ b/clang/test/Driver/cl-x86-flags.c @@ -128,5 +128,9 @@ // RUN: %clang_cl -m64 -arch:avx512 --target=i386-pc-windows -### -- 2>&1 %s | FileCheck -check-prefix=avx51264 %s // avx51264: argument unused during compilation +// RUN: %clang_cl -m64 -arch:AVX -tune:haswell --target=x86_64-pc-windows -### -- 2>&1 %s | FileCheck -check-prefix=tune %s +// tune: "-target-cpu" "sandybridge" +// tune-SAME: "-tune-cpu" "haswell" + void f() { } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
