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116c1bea65
This patch extends clang frontend to add metadata that can be used to emit macho files with two build version load commands. It utilizes "darwin.target_variant.triple" and "darwin.target_variant.SDK Version" metadata names for that. MachO uses two build version load commands to represent an object file / binary that is targeting both the macOS target, and the Mac Catalyst target. At runtime, a dynamic library that supports both targets can be loaded from either a native macOS or a Mac Catalyst app on a macOS system. We want to add support to this to upstream to LLVM to be able to build compiler-rt for both targets, to finish the complete support for the Mac Catalyst platform, which is right now targetable by upstream clang, but the compiler-rt bits aren't supported because of the lack of this multiple build version support. Differential Revision: https://reviews.llvm.org/D115415
7 lines
491 B
C
7 lines
491 B
C
// RUN: %clang_cc1 -triple x86_64-apple-macos11 -darwin-target-variant-triple x86_64-apple-ios14-macabi -target-sdk-version=11.1 -darwin-target-variant-sdk-version=14.1 -emit-llvm -o - %s | FileCheck %s
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// CHECK: !llvm.module.flags = !{!0, !1, !2
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// CHECK: !0 = !{i32 2, !"SDK Version", [2 x i32] [i32 11, i32 1]}
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// CHECK: !1 = !{i32 4, !"darwin.target_variant.triple", !"x86_64-apple-ios14-macabi"}
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// CHECK: !2 = !{i32 2, !"darwin.target_variant.SDK Version", [2 x i32] [i32 14, i32 1]}
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