Changeset View

Standalone View

				# REQUIRES: aarch64

				# RUN: rm -rf %t.inputs %t.dir
				# RUN: mkdir -p %t.inputs %t.dir
				# RUN: split-file %s %t.inputs
				# RUN: llvm-mc -filetype=obj -triple=aarch64 %t.inputs/deplibs.s -o %tdeplibs.o
				# RUN: llvm-mc -filetype=obj -triple=aarch64 %t.inputs/foo.s -o %tfoo.o
				# RUN: llvm-as %t.inputs/lto.ll -o %t.o
				# RUN: llvm-ar rc %t.dir/libdeplibs.a %tdeplibs.o
				# RUN: llvm-ar rc %t.dir/libfoo.a %tfoo.o

				# LTO can emit libcalls that are resolved using libraries that contain .deplibs.
				# Such libraries must be handled as if they were input files, and any referenced
				# deplibs must be added to the link. Otherwise, symbols in the library may go
				# undefined.

				# RUN: ld.lld %t.o -u a -o /dev/null -L %t.dir -ldeplibs --trace 2>&1 \| \
				# RUN: FileCheck %s -DOBJ=%t.o -DDIR=%t.dir --check-prefix=LIBA-DIR

				# LIBA-DIR: [[OBJ]]
				# LIBA-DIR-NEXT: [[DIR]]{{[\\/]}}libdeplibs.a
				# LIBA-DIR-NEXT: [[DIR]]{{[\\/]}}libfoo.a

				#--- foo.s
				.global foo
				foo:
				#--- deplibs.s
				.global __aarch64_ldadd4_relax
				__aarch64_ldadd4_relax:
				b foo
				.section ".deplibs","MS",@llvm_dependent_libraries,1
				.asciz "foo"
				#--- lto.ll
				target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
				target triple = "aarch64"

				define void @a(i32* nocapture %0) #0 {
				%2 = atomicrmw add i32* %0, i32 1 monotonic, align 4
				ret void
				}

				attributes #0 = { "target-features"="+outline-atomics" }