| ; REQUIRES: x86 |
| ; RUN: llvm-as %s -o %t.o |
| ; RUN: ld.lld %t.o -o %t.so -save-temps --lto-aa-pipeline=basic-aa \ |
| ; RUN: --lto-newpm-passes=ipsccp -shared |
| ; RUN: ld.lld %t.o -o %t2.so -save-temps --lto-newpm-passes=loweratomic -shared |
| ; RUN: llvm-dis %t.so.0.4.opt.bc -o - | FileCheck %s |
| ; RUN: llvm-dis %t2.so.0.4.opt.bc -o - | FileCheck %s --check-prefix=ATOMIC |
| |
| 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 @barrier() { |
| fence seq_cst |
| ret void |
| } |
| |
| ; IPSCCP won't remove the fence. |
| ; CHECK: define void @barrier() { |
| ; CHECK-NEXT: fence seq_cst |
| ; CHECK-NEXT: ret void |
| |
| ; LowerAtomic will remove the fence. |
| ; ATOMIC: define void @barrier() { |
| ; ATOMIC-NEXT: ret void |
| |
| ; Check that invalid passes are rejected gracefully. |
| ; RUN: not --crash ld.lld -m elf_x86_64 %t.o -o /dev/null \ |
| ; RUN: --lto-newpm-passes=iamnotapass -shared 2>&1 | \ |
| ; RUN: FileCheck %s --check-prefix=INVALID |
| ; INVALID: unable to parse pass pipeline description 'iamnotapass': unknown pass name 'iamnotapass' |
| |
| ; Check that invalid AA pipelines are rejected gracefully. |
| ; RUN: not --crash ld.lld -m elf_x86_64 %t.o -o /dev/null \ |
| ; RUN: --lto-newpm-passes=globaldce --lto-aa-pipeline=patatino \ |
| ; RUN: -shared 2>&1 | \ |
| ; RUN: FileCheck %s --check-prefix=INVALIDAA |
| ; INVALIDAA: unknown alias analysis name 'patatino' |
