; REQUIRES: x86 ;; malloc+memset references can be combined to a calloc reference. ;; Test that we extract calloc defined in a lazy bitcode file to satisfy ;; possible references from LTO generated object files. ; RUN: rm -rf %t && split-file %s %t && cd %t ; RUN: llvm-as a.ll -o a.bc ; RUN: llvm-as calloc.ll -o calloc.bc ; RUN: llvm-mc -filetype=obj -triple=x86_64 lib.s -o lib.o ; RUN: ld.lld -u foo a.bc --start-lib calloc.bc lib.o --end-lib -o t --save-temps ; RUN: llvm-dis < t.0.4.opt.bc | FileCheck %s ; RUN: llvm-nm t | FileCheck %s --check-prefix=NM ; CHECK: define dso_local void @calloc ; NM-NOT: {{.}} ; NM: {{.*}} T _start ;; TODO: Currently the symbol is lazy, which lowers to a SHN_ABS symbol at address 0. ; NM-NEXT: {{.*}} T calloc ; NM-NEXT: {{.*}} T foo ; NM-NEXT: {{.*}} T malloc ; NM-NEXT: {{.*}} T memset ; NM-NOT: {{.}} ;--- a.ll target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define ptr @foo() noinline { entry: %call = tail call noalias ptr @malloc(i64 400) tail call void @llvm.memset.p0.i64(ptr %call, i8 0, i64 400, i1 false) ret ptr %call } define void @_start(ptr %a, ptr %b) { entry: call ptr @foo() ret void } declare ptr @malloc(i64) declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) ;--- calloc.ll target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define void @calloc(i64, i64) { entry: ret void } ;--- lib.s .globl malloc, memset malloc: memset: