2016-05-16 03:29:38 +08:00
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; REQUIRES: x86
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; RUN: llvm-as %s -o %t.o
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2016-06-03 06:58:11 +08:00
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; RUN: ld.lld -m elf_x86_64 %t.o -o %t.so -save-temps --lto-aa-pipeline=basic-aa \
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; RUN: --lto-newpm-passes=ipsccp -shared
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2016-05-16 03:29:38 +08:00
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; RUN: ld.lld -m elf_x86_64 %t.o -o %t2.so -save-temps --lto-newpm-passes=loweratomic -shared
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2016-09-29 08:40:08 +08:00
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; RUN: llvm-dis %t.so.0.4.opt.bc -o - | FileCheck %s
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; RUN: llvm-dis %t2.so.0.4.opt.bc -o - | FileCheck %s --check-prefix=ATOMIC
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2016-05-16 03:29:38 +08:00
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @barrier() {
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fence seq_cst
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ret void
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}
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; IPSCCP won't remove the fence.
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; CHECK: define void @barrier() {
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; CHECK-NEXT: fence seq_cst
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; CHECK-NEXT: ret void
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; LowerAtomic will remove the fence.
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; ATOMIC: define void @barrier() {
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; ATOMIC-NEXT: ret void
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; Check that invalid passes are rejected gracefully.
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; RUN: not ld.lld -m elf_x86_64 %t.o -o %t2.so \
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; RUN: --lto-newpm-passes=iamnotapass -shared 2>&1 | \
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; RUN: FileCheck %s --check-prefix=INVALID
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; INVALID: unable to parse pass pipeline description: iamnotapass
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2016-09-25 04:05:52 +08:00
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; Check that invalid AA pipelines are rejected gracefully.
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; RUN: not ld.lld -m elf_x86_64 %t.o -o %t2.so \
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; RUN: --lto-newpm-passes=globaldce --lto-aa-pipeline=patatino \
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; RUN: -shared 2>&1 | \
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; RUN: FileCheck %s --check-prefix=INVALIDAA
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; INVALIDAA: unable to parse AA pipeline description: patatino
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