| ; REQUIRES: x86 |
| |
| ;; Show that common symbols defined in both native objects and bitcode files are |
| ;; properly resolved. |
| |
| ; RUN: rm -rf %t.dir |
| ; RUN: split-file %s %t.dir |
| ; RUN: cd %t.dir |
| |
| ;; Case 1: bitcode file has smaller symbol but larger alignment. |
| ; RUN: llvm-as smaller-sym.ll -o smaller-sym.bc |
| ; RUN: llc -filetype=obj larger-sym.ll -o larger-sym.o |
| ; RUN: ld.lld smaller-sym.bc larger-sym.o -o 1.so -shared |
| ; RUN: llvm-readobj -S --symbols 1.so | FileCheck %s -DALIGN=8 |
| |
| ;; Case 2: bitcode file has larger symbol but smaller alignment. |
| ; RUN: llvm-as larger-sym.ll -o larger-sym.bc |
| ; RUN: llc -filetype=obj smaller-sym.ll -o smaller-sym.o |
| ; RUN: ld.lld smaller-sym.o larger-sym.bc -o 2.so -shared |
| ;; FIXME: This alignment should be 8, but LLD is ignoring the alignment of a |
| ;; symbol in a native object file when the larger symbol is in a bitcode file. |
| ;; See https://bugs.llvm.org/show_bug.cgi?id=47819. |
| ; RUN: llvm-readobj -S --symbols 2.so | FileCheck %s -DALIGN=4 |
| |
| ; CHECK: Name: .bss |
| ; CHECK-NEXT: Type: SHT_NOBITS |
| ; CHECK-NEXT: Flags [ |
| ; CHECK-NEXT: SHF_ALLOC |
| ; CHECK-NEXT: SHF_WRITE |
| ; CHECK-NEXT: ] |
| ; CHECK-NEXT: Address: |
| ; CHECK-NEXT: Offset: |
| ; CHECK-NEXT: Size: 2 |
| ; CHECK-NEXT: Link: 0 |
| ; CHECK-NEXT: Info: 0 |
| ; CHECK-NEXT: AddressAlignment: [[ALIGN]] |
| |
| ; CHECK: Name: a |
| ; CHECK-NEXT: Value: |
| ; CHECK-NEXT: Size: 2 |
| ; CHECK-NEXT: Binding: Global |
| ; CHECK-NEXT: Type: Object |
| ; CHECK-NEXT: Other: 0 |
| ; CHECK-NEXT: Section: .bss |
| |
| ;--- smaller-sym.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 = common global i8 0, align 8 |
| |
| ;--- larger-sym.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 = common global i16 0, align 4 |