llvm-project/clang/test/Driver/lto-dwo.c

// Confirm that -gsplit-dwarf=DIR is passed to linker

// RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin -gsplit-dwarf -o a.out 2> %t
// RUN: FileCheck -check-prefix=CHECK-LINK-DWO-DIR-DEFAULT < %t %s
//
// CHECK-LINK-DWO-DIR-DEFAULT: "-plugin-opt=dwo_dir=a.out_dwo"
Add an option to support debug fission on implicit ThinLTO. Summary: This adds an option -gsplit-dwarf=<arg>. LLVM can create .dwo files in the given directory during the implicit ThinLTO link stage. Reviewers: tejohnson, dblaikie, pcc Reviewed By: pcc Subscribers: steven_wu, aprantl, JDevlieghere, yunlian, probinson, mehdi_amini, inglorion, cfe-commits Differential Revision: https://reviews.llvm.org/D44788 llvm-svn: 335546 2018-06-26 07:05:27 +08:00			`// Confirm that -gsplit-dwarf=DIR is passed to linker`

			`// RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin -gsplit-dwarf -o a.out 2> %t`
			`// RUN: FileCheck -check-prefix=CHECK-LINK-DWO-DIR-DEFAULT < %t %s`
			`//`
			`// CHECK-LINK-DWO-DIR-DEFAULT: "-plugin-opt=dwo_dir=a.out_dwo"`