1; REQUIRES: x86 2 3;; Show that common symbols defined in both native objects and bitcode files are 4;; properly resolved. 5 6; RUN: rm -rf %t.dir 7; RUN: split-file %s %t.dir 8; RUN: cd %t.dir 9 10;; Case 1: bitcode file has smaller symbol but larger alignment. 11; RUN: llvm-as smaller-sym.ll -o smaller-sym.bc 12; RUN: llc -filetype=obj larger-sym.ll -o larger-sym.o 13; RUN: ld.lld smaller-sym.bc larger-sym.o -o 1.so -shared 14; RUN: llvm-readobj -S --symbols 1.so | FileCheck %s -DALIGN=8 15 16;; Case 2: bitcode file has larger symbol but smaller alignment. 17; RUN: llvm-as larger-sym.ll -o larger-sym.bc 18; RUN: llc -filetype=obj smaller-sym.ll -o smaller-sym.o 19; RUN: ld.lld smaller-sym.o larger-sym.bc -o 2.so -shared 20;; FIXME: This alignment should be 8, but LLD is ignoring the alignment of a 21;; symbol in a native object file when the larger symbol is in a bitcode file. 22;; See https://bugs.llvm.org/show_bug.cgi?id=47819. 23; RUN: llvm-readobj -S --symbols 2.so | FileCheck %s -DALIGN=4 24 25; CHECK: Name: .bss 26; CHECK-NEXT: Type: SHT_NOBITS 27; CHECK-NEXT: Flags [ 28; CHECK-NEXT: SHF_ALLOC 29; CHECK-NEXT: SHF_WRITE 30; CHECK-NEXT: ] 31; CHECK-NEXT: Address: 32; CHECK-NEXT: Offset: 33; CHECK-NEXT: Size: 2 34; CHECK-NEXT: Link: 0 35; CHECK-NEXT: Info: 0 36; CHECK-NEXT: AddressAlignment: [[ALIGN]] 37 38; CHECK: Name: a 39; CHECK-NEXT: Value: 40; CHECK-NEXT: Size: 2 41; CHECK-NEXT: Binding: Global 42; CHECK-NEXT: Type: Object 43; CHECK-NEXT: Other: 0 44; CHECK-NEXT: Section: .bss 45 46;--- smaller-sym.ll 47target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 48target triple = "x86_64-unknown-linux-gnu" 49 50@a = common global i8 0, align 8 51 52;--- larger-sym.ll 53target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 54target triple = "x86_64-unknown-linux-gnu" 55 56@a = common global i16 0, align 4 57