| ; RUN: opt -module-summary %s -o %t1.bc |
| ; RUN: opt -module-summary %p/Inputs/index-const-prop-gvref.ll -o %t2.bc |
| ; RUN: llvm-lto2 run -relocation-model=static -save-temps %t2.bc -r=%t2.bc,b,pl -r=%t2.bc,a,pl \ |
| ; RUN: %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,a, -r=%t1.bc,b, -o %t3 |
| ; RUN: llvm-dis %t3.1.3.import.bc -o - | FileCheck %s --check-prefix=SRC |
| ; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s --check-prefix=DEST |
| |
| ;; When producing an ELF DSO, clear dso_local for declarations to avoid direct access. |
| ; RUN: llvm-lto2 run -relocation-model=pic -save-temps %t2.bc -r=%t2.bc,b,pl -r=%t2.bc,a,pl \ |
| ; RUN: %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,a, -r=%t1.bc,b, -o %t4 |
| ; RUN: llvm-dis %t4.1.3.import.bc -o - | FileCheck %s --check-prefix=SRC |
| ; RUN: llvm-dis %t4.2.3.import.bc -o - | FileCheck %s --check-prefix=DEST_DSO |
| |
| ; No variable in the source module should have been internalized |
| ; SRC: @b = dso_local global i32* @a |
| ; SRC-NEXT: @a = dso_local global i32 42 |
| |
| ; We can't internalize globals referenced by other live globals |
| ; DEST: @b = external dso_local global i32* |
| ; DEST-NEXT: @a = available_externally dso_local global i32 42, align 4 |
| ; DEST_DSO: @b = external global i32* |
| ; DEST_DSO-NEXT: @a = available_externally global i32 42, align 4 |
| |
| ;; Test old API. |
| ;; When producing an ELF DSO, clear dso_local for declarations to avoid direct access. |
| ; RUN: llvm-lto -thinlto-action=run %t2.bc %t1.bc -relocation-model=static -thinlto-save-temps=%t5. |
| ; RUN: llvm-dis < %t5.0.3.imported.bc | FileCheck %s --check-prefix=OLDAPI_SRC |
| ; RUN: llvm-dis < %t5.1.3.imported.bc | FileCheck %s --check-prefix=OLDAPI_DST |
| ; RUN: llvm-lto -thinlto-action=run %t2.bc %t1.bc -relocation-model=pic -thinlto-save-temps=%t6. |
| ; RUN: llvm-dis < %t6.0.3.imported.bc | FileCheck %s --check-prefix=OLDAPI_SRC |
| ; RUN: llvm-dis < %t6.1.3.imported.bc | FileCheck %s --check-prefix=OLDAPI_DST_DSO |
| |
| ; OLDAPI_SRC: @b = internal global i32* @a, align 8 |
| ; OLDAPI_SRC-NEXT: @a = dso_local global i32 42, align 4 |
| ; OLDAPI_DST: @b = external dso_local global i32* |
| ; OLDAPI_DST-NEXT: @a = available_externally dso_local global i32 42, align 4 |
| ; OLDAPI_DST_DSO: @b = external global i32* |
| ; OLDAPI_DST_DSO-NEXT: @a = available_externally global i32 42, align 4 |
| |
| 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 = external global i32 |
| @b = external global i32* |
| |
| define i32 @main() { |
| %p = load i32*, i32** @b, align 8 |
| store i32 33, i32* %p, align 4 |
| %v = load i32, i32* @a, align 4 |
| ret i32 %v |
| } |