PowerPC: 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.

This patch:
- Removes -march if the .ll file already has a matching `target triple`
  directive or -mtriple argument.
- In all other cases changes -march=ppc32/-march=ppc64 to
  -mtriple=ppc32--/-mtriple=ppc64--

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

llvm-svn: 309754

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/test/CodeGen/PowerPC/pr18663-2.ll b/llvm/test/CodeGen/PowerPC/pr18663-2.ll
index 1bd76115605..40d6036a99f 100644
--- a/llvm/test/CodeGen/PowerPC/pr18663-2.ll
+++ b/llvm/test/CodeGen/PowerPC/pr18663-2.ll
@@ -1,5 +1,5 @@
-; RUN: llc -verify-machineinstrs < %s -march=ppc64 -mtriple=powerpc64-unknown-linux-gnu
-; RUN: llc -verify-machineinstrs < %s -march=ppc64le -mtriple=powerpc64le-unknown-linux-gnu
+; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu
+; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu
 
 %"class.std::__1::locale::id.1580.4307.4610.8491" = type { %"struct.std::__1::once_flag.1579.4306.4609.8490", i32 }
 %"struct.std::__1::once_flag.1579.4306.4609.8490" = type { i64 }