llvm/test/CodeGen/X86/pr21099.ll at testing - llvm - Free-Git: DMCA Non-Compliant

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Matthias Braun 3a6f6d93bf X86: Do not use llc -march in tests.

`llc -march` is problematic because it only switches the target
architecture, but leaves the operating system unchanged. This
occasionally leads to indeterministic tests because the OS from
LLVM_DEFAULT_TARGET_TRIPLE is used.

However we can simply always use `llc -mtriple` instead. This changes
all the tests to do this to avoid people using -march when they copy and
paste parts of tests.

See also the discussion in https://reviews.llvm.org/D35287

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309774 91177308-0d34-0410-b5e6-96231b3b80d8

2017-08-02 00:28:10 +00:00

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 ; RUN: llc < %s -O2 -mtriple=x86_64-- -verify-machineinstrs | FileCheck %s
 define void @pr21099(i64* %p) {
 ; CHECK-LABEL: pr21099
 ; CHECK: lock addq $-2147483648
 ; This number is INT32_MIN: 0x80000000UL
   %1 = atomicrmw add i64* %p, i64 -2147483648 seq_cst
   ret void
 }