| ; RUN: split-file %s %t |
| ; RUN: opt -module-summary %t/a.s -o %t/a.bc |
| ; RUN: opt -module-summary %t/b.s -o %t/b.bc |
| ; RUN: llvm-nm %t/a.bc | FileCheck %s --check-prefix=NM |
| |
| ; RUN: llvm-lto2 run %t/a.bc %t/b.bc -o %t/out -save-temps -r=%t/a.bc,ref,plx -r=%t/b.bc,ff_h264_cabac_tables,pl |
| ; RUN: llvm-dis < %t/out.2.2.internalize.bc | FileCheck %s |
| |
| ;--- a.s |
| ;; IR symtab does not track inline asm symbols, so we don't know |
| ;; ff_h264_cabac_tables is undefined. |
| ; NM-NOT: {{.}} |
| ; NM: ---------------- T ref |
| ; NM-NOT: {{.}} |
| 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" |
| |
| define i8* @ref() { |
| entry: |
| %0 = tail call i8* asm sideeffect "lea ff_h264_cabac_tables(%rip), $0", "=&r,~{dirflag},~{fpsr},~{flags}"() |
| ret i8* %0 |
| } |
| |
| ;--- b.s |
| 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" |
| |
| ;; ff_h264_cabac_tables has __attribute__((used)) in the source code, which means |
| ;; its definition must be retained because there can be references the compiler |
| ;; cannot see (inline asm reference). Test we don't internalize it. |
| ; CHECK: @ff_h264_cabac_tables = dso_local constant [1 x i8] c"\09" |
| @ff_h264_cabac_tables = dso_local constant [1 x i8] c"\09" |
| |
| @llvm.compiler.used = appending global [1 x i8*] [i8* bitcast ([1 x i8]* @ff_h264_cabac_tables to i8*)], section "llvm.metadata" |
