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