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TheRock/compiler/amd-llvm/llvm/test/Linker/comdat-refer-to-discarded.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

44 lines
1.0 KiB
LLVM

; RUN: rm -rf %t && split-file %s %t
; RUN: llvm-link -S %t/1.ll %t/1-aux.ll -o - | FileCheck %s
;--- 1.ll
; In 1-aux.ll a function not in the $foo comdat (zed) references an
; internal function in the comdat $foo.
; The IR would be ilegal on ELF ("relocation refers to discarded section"),
; but COFF linkers seem to just duplicate the comdat.
$foo = comdat any
@foo = internal global i8 0, comdat
define ptr @bar() {
ret ptr @foo
}
; CHECK: $foo = comdat any
; CHECK: @foo = internal global i8 0, comdat
; CHECK: @foo.1 = internal global i8 1, comdat($foo)
; CHECK: define ptr @bar() {
; CHECK-NEXT: ret ptr @foo
; CHECK-NEXT: }
; CHECK: define ptr @zed() {
; CHECK-NEXT: call void @bax()
; CHECK-NEXT: ret ptr @foo.1
; CHECK-NEXT: }
; CHECK: define internal void @bax() comdat($foo) {
; CHECK-NEXT: ret void
; CHECK-NEXT: }
;--- 1-aux.ll
$foo = comdat any
@foo = internal global i8 1, comdat
define ptr @zed() {
call void @bax()
ret ptr @foo
}
define internal void @bax() comdat($foo) {
ret void
}