llvm-project

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; REQUIRES: x86
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; RUN: rm -rf %t; split-file %s %t
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; RUN: llc -filetype=obj %t/foo1.ll -o %t/foo1.o
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; RUN: llc -filetype=obj %t/foo2.ll -o %t/foo2.o
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; RUN: llvm-ar rcs %t/libfoo2.a %t/foo2.o
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; RUN: llc -filetype=obj %t/foo3.ll -o %t/foo3.o
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; RUN: llvm-ar rcs %t/libfoo3.a %t/foo3.o
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; RUN: llc -filetype=obj %t/zoo2.ll -o %t/zoo2.o
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; RUN: llvm-ar rcs %t/libzoo2.a %t/zoo2.o
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; RUN: llc -filetype=obj %t/zoo3.ll -o %t/zoo3.o
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; RUN: llvm-ar rcs %t/libzoo3.a %t/zoo3.o
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; RUN: llc -filetype=obj %t/bar1.ll -o %t/bar1.o
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; RUN: llc -filetype=obj %t/bar2.ll -o %t/bar2.o
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; RUN: llvm-ar rcs %t/libbar2.a %t/bar2.o
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; RUN: llc -filetype=obj %t/bar3.ll -o %t/bar3.o
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; RUN: llvm-ar rcs %t/libbar3.a %t/bar3.o
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; RUN: %lld -dylib -lSystem -L%t %t/foo1.o %t/bar1.o -o %t/order.out
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; RUN: llvm-objdump --no-leading-addr --no-show-raw-insn -d %t/order.out | FileCheck %s
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; We want to process input object files first
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; before any lc-linker options are actually resolved.
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; The lc-linker options are recursively processed.
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; The following shows a chain of auto linker options,
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; starting with foo1.o and bar1.o:
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;
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; foo1.o -> libfoo2.a(foo2.o) -> libfoo3.a(foo3.o)
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;       \
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;        -> libzoo2.a(zoo2.o) -> libzoo3.a(zoo3.o)
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; bar1.o -> libbar2.a(bar2.o) -> libbar3.a(bar3.o)
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; CHECK: <_foo1>:
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; CHECK: <_bar1>:
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; CHECK: <_foo2>:
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; CHECK: <_zoo2>:
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; CHECK: <_bar2>:
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; CHECK: <_foo3>:
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; CHECK: <_zoo3>:
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; CHECK: <_bar3>:
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;--- foo1.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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!0 = !{!"-lfoo2"}
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!1 = !{!"-lzoo2"}
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!llvm.linker.options = !{!0, !1}
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define i32 @foo1() {
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  %call = call i32 @foo2()
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  %call2 = call i32 @zoo2()
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  %add = add nsw i32 %call, %call2
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  ret i32 %add
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}
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declare i32 @foo2()
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declare i32 @zoo2()
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;--- foo2.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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!0 = !{!"-lfoo3"}
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!llvm.linker.options = !{!0}
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define i32 @foo2() {
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  %call = call i32 @foo3()
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  %add = add nsw i32 %call, 2
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  ret i32 %add
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}
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declare i32 @foo3()
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;--- foo3.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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define i32 @foo3() {
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  ret i32 3
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}
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;--- zoo2.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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!0 = !{!"-lzoo3"}
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!llvm.linker.options = !{!0}
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define i32 @zoo2() {
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  %call = call i32 @zoo3()
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  %add = add nsw i32 %call, 2
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  ret i32 %add
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}
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declare i32 @zoo3()
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;--- zoo3.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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define i32 @zoo3() {
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  ret i32 30
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}
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;--- bar1.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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!0 = !{!"-lbar2"}
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!llvm.linker.options = !{!0}
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define i32 @bar1() {
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  %call = call i32 @bar2()
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  %add = add nsw i32 %call, 10
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  ret i32 %add
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}
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declare i32 @bar2()
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;--- bar2.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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!0 = !{!"-lbar3"}
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!llvm.linker.options = !{!0}
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define i32 @bar2() {
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  %call = call i32 @bar3()
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  %add = add nsw i32 %call, 200
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  ret i32 %add
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}
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declare i32 @bar3()
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;--- bar3.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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define i32 @bar3() {
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  ret i32 300
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}
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