| ; REQUIRES: x86-registered-target |
| ; Compile with thinlto indices, to enable thinlto. |
| ; RUN: opt -module-summary %s -o %t1.bc |
| |
| ; Test old lto interface with thinlto (currently known to be broken, so |
| ; the FileCheck line is commented out). |
| ; FIXME: The new LTO implementation has been fixed to not internalize |
| ; (and later dead-code-eliminate) builtin functions. However the old LTO |
| ; implementation still internalizes them, and when used with ThinLTO they |
| ; get dead-code eliminated before the optimizations run that insert calls |
| ; to them (thus breaking these inserted calls). This needs to be fixed. |
| ; RUN: llvm-lto -exported-symbol=main -thinlto-action=run %t1.bc |
| ;;; RUN llvm-nm %t1.bc.thinlto.o | FileCheck %s --check-prefix=CHECK-NM |
| |
| ; Test new lto interface with thinlto. |
| ; RUN: llvm-lto2 run %t1.bc -o %t.out -save-temps \ |
| ; RUN: -r %t1.bc,bar,pl \ |
| ; RUN: -r %t1.bc,__stack_chk_fail,pl |
| ; RUN: llvm-nm %t.out.1 | FileCheck %s --check-prefix=CHECK-NM |
| ; |
| |
| ; Re-compile, this time without the thinlto indices. |
| ; RUN: opt %s -o %t4.bc |
| |
| ; Test the new lto interface without thinlto. |
| ; RUN: llvm-lto2 run %t4.bc -o %t5.out -save-temps \ |
| ; RUN: -r %t4.bc,bar,pl \ |
| ; RUN: -r %t4.bc,__stack_chk_fail,pl |
| ; RUN: llvm-nm %t5.out.0 | FileCheck %s --check-prefix=CHECK-NM |
| |
| ; Test the old lto interface without thinlto. For now we need to |
| ; use a different nm check, because currently the old lto interface |
| ; internalizes these symbols. Once the old lto interface gets |
| ; fixed, we should be able to use the same CHECK-NM tests as the |
| ; other FileChecks. |
| ; RUN: llvm-lto -exported-symbol=main %t4.bc -o %t6 |
| ; RUN: llvm-nm %t6 | FileCheck %s --check-prefix=CHECK-NM2 |
| |
| ; The final binary should not contain any of the dead functions; |
| ; make sure memmove and memcpy are there. |
| ; CHECK-NM-NOT: bar |
| ; CHECK-NM-DAG: T __stack_chk_fail |
| ; CHECK-NM-NOT: bar |
| |
| ; Test case for old lto without thinlto. Hopefully these can be |
| ; eliminated once the old lto interface is fixed. |
| ; CHECK-NM2-DAG: t __stack_chk_fail |
| |
| 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 void @bar() { |
| ret void |
| } |
| |
| |
| define void @__stack_chk_fail() { |
| ret void |
| } |