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; RUN: split-file %s %t
; RUN: opt -module-summary %t/a.ll -o %t/a.bc
; RUN: opt -module-summary %t/b.ll -o %t/b.bc
;; With a small limit, *_aux are either imported declarations (external/linkonce_odr/weak_odr)
;; or unimported (linkonce/weak). Check we discard dso_local.
; RUN: llvm-lto2 run %t/a.bc %t/b.bc -o %t1 -save-temps -import-instr-limit=3 \
; RUN: -r=%t/a.bc,main,plx -r=%t/a.bc,extern, -r=%t/a.bc,linkonce, -r=%t/a.bc,linkonceodr, -r=%t/a.bc,weak, -r=%t/a.bc,weakodr, \
; RUN: -r=%t/b.bc,a,pl -r=%t/b.bc,b,pl -r=%t/b.bc,extern,pl -r=%t/b.bc,extern_aux,pl \
; RUN: -r=%t/b.bc,linkonce,pl -r=%t/b.bc,linkonce_aux,pl -r=%t/b.bc,linkonceodr,pl -r=%t/b.bc,linkonceodr_aux,pl \
; RUN: -r=%t/b.bc,weak,pl -r=%t/b.bc,weak_aux,pl -r=%t/b.bc,weakodr,pl -r=%t/b.bc,weakodr_aux,pl
; RUN: llvm-dis %t1.1.3.import.bc -o - | FileCheck %s --check-prefixes=DEST,DEST1
;; With a large limit, *_aux are either imported definitions (external/linkonce_odr/weak_odr)
;; or unimported (linkonce/weak). Check we discard dso_local as well.
; RUN: llvm-lto2 run %t/a.bc %t/b.bc -o %t2 -save-temps -import-instr-limit=10 \
; RUN: -r=%t/a.bc,main,plx -r=%t/a.bc,extern, -r=%t/a.bc,linkonce, -r=%t/a.bc,linkonceodr, -r=%t/a.bc,weak, -r=%t/a.bc,weakodr, \
; RUN: -r=%t/b.bc,a,pl -r=%t/b.bc,b,pl -r=%t/b.bc,extern,pl -r=%t/b.bc,extern_aux,pl \
; RUN: -r=%t/b.bc,linkonce,pl -r=%t/b.bc,linkonce_aux,pl -r=%t/b.bc,linkonceodr,pl -r=%t/b.bc,linkonceodr_aux,pl \
; RUN: -r=%t/b.bc,weak,pl -r=%t/b.bc,weak_aux,pl -r=%t/b.bc,weakodr,pl -r=%t/b.bc,weakodr_aux,pl
; RUN: llvm-dis %t2.1.3.import.bc -o - | FileCheck %s --check-prefixes=DEST,DEST2
; DEST: @a = available_externally global i32 42, align 4
; DEST-NEXT: @b = external global ptr, align 8
; DEST: declare void @linkonce()
; DEST: declare void @weak()
; DEST: define dso_local i32 @main()
; DEST: define available_externally void @extern()
; DEST1: declare i32 @extern_aux(ptr, ptr)
; DEST1: declare i32 @linkonceodr_aux(ptr, ptr)
; DEST2: define available_externally i32 @extern_aux(ptr %a, ptr %b)
; DEST2: define available_externally i32 @linkonceodr_aux(ptr %a, ptr %b)
; DEST: define available_externally void @weakodr()
; DEST1: declare i32 @weakodr_aux(ptr, ptr)
; DEST2: define available_externally i32 @weakodr_aux(ptr %a, ptr %b)
;--- a.ll
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @extern()
declare void @linkonce()
declare void @linkonceodr()
declare void @weak()
declare void @weakodr()
define i32 @main() {
call void @extern()
call void @linkonce()
call void @linkonceodr()
call void @weak()
call void @weakodr()
ret i32 0
}
;--- b.ll
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@a = dso_local global i32 42, align 4
@b = dso_local global ptr @a, align 8
define dso_local void @extern() {
call i32 @extern_aux(ptr @a, ptr @b)
ret void
}
define dso_local i32 @extern_aux(ptr %a, ptr %b) {
%p = load ptr, ptr %b, align 8
store i32 33, ptr %p, align 4
%v = load i32, ptr %a, align 4
ret i32 %v
}
define linkonce dso_local void @linkonce() {
call i32 @linkonce_aux(ptr @a, ptr @b)
ret void
}
define linkonce i32 @linkonce_aux(ptr %a, ptr %b) {
%p = load ptr, ptr %b, align 8
store i32 33, ptr %p, align 4
%v = load i32, ptr %a, align 4
ret i32 %v
}
define linkonce_odr dso_local void @linkonceodr() {
call i32 @linkonceodr_aux(ptr @a, ptr @b)
ret void
}
define linkonce_odr i32 @linkonceodr_aux(ptr %a, ptr %b) {
%p = load ptr, ptr %b, align 8
store i32 33, ptr %p, align 4
%v = load i32, ptr %a, align 4
ret i32 %v
}
define weak dso_local void @weak() {
call i32 @weak_aux(ptr @a, ptr @b)
ret void
}
define weak i32 @weak_aux(ptr %a, ptr %b) {
%p = load ptr, ptr %b, align 8
store i32 33, ptr %p, align 4
%v = load i32, ptr %a, align 4
ret i32 %v
}
define weak_odr dso_local void @weakodr() {
call i32 @weakodr_aux(ptr @a, ptr @b)
ret void
}
define weak_odr i32 @weakodr_aux(ptr %a, ptr %b) {
%p = load ptr, ptr %b, align 8
store i32 33, ptr %p, align 4
%v = load i32, ptr %a, align 4
ret i32 %v
}
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