1; REQUIRES: x86 2; RUN: rm -rf %t; split-file %s %t 3 4; RUN: opt --thinlto-bc %t/f.ll -o %t/f.o 5; RUN: llvm-ar rcs %t/libf.a %t/f.o 6; RUN: opt --thinlto-bc %t/q.ll -o %t/q.o 7; RUN: llvm-ar rcs %t/libq.a %t/q.o 8; RUN: opt --thinlto-bc %t/b.ll -o %t/b.o 9; RUN: llvm-ar rcs %t/libb.a %t/b.o 10; RUN: opt --thinlto-bc %t/m.ll -o %t/m.o 11 12; RUN: not %no-fatal-warnings-lld -lSystem %t/libf.a %t/libq.a %t/libb.a %t/m.o -o %t/test.out 2>&1 | FileCheck %s 13 14; We can't read symbols that are set by `module asm` in the bitcode's symbol table. 15; LTO compiles only f.ll, b.ll, and m.ll without q.ll due to missing reference to `q_asm` in f.ll. 16; However, later `q_asm` appears in the resulting object for `f.ll`, which triggers resolving 17; a ODR symbol `q_odr` from `q.ll,` as opposed to one expected from `b.ll`. 18; As a result, we have invalid relocation for `q_odr` as `q.ll` is neither compiled, nor linked. 19 20; CHECK: error: The pending prevailing symbol(_q_odr) in the bitcode file({{.*}}libb.a(b.o)) is overridden by a non-native object (from bitcode): {{.*}}libq.a(q.o) 21 22;--- f.ll 23target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 24target triple = "x86_64-apple-macosx10.15.0" 25 26module asm ".no_dead_strip _q_asm" 27 28define i64 @f() { 29 ret i64 1 30} 31 32;--- q.ll 33target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 34target triple = "x86_64-apple-macosx10.15.0" 35 36@q_asm = global i64 1 37 38@q_odr = linkonce_odr hidden unnamed_addr constant i64 0 39 40 41;--- b.ll 42target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 43target triple = "x86_64-apple-macosx10.15.0" 44 45@q_odr = linkonce_odr hidden unnamed_addr constant i64 1 46 47define i64 @b() { 48 ret i64 ptrtoint (i64* @q_odr to i64) 49} 50 51;--- m.ll 52target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 53target triple = "x86_64-apple-macosx10.15.0" 54 55declare i64 @f() 56declare i64 @b() 57 58define i64 @main() { 59 %call1 = call i64 @f() 60 %call2 = call i64 @b() 61 %add = add nsw i64 %call1, %call2 62 ret i64 %add 63} 64