Set some tests to an unknown vendor and OS

This avoids llc using the hosts OS/vendor as defaults and triggering
unwanted behaviour in the tests. This should deal with the buildbot
breakages on windows after r283140.

llvm-svn: 283149
diff --git a/llvm/test/CodeGen/Mips/tls-models.ll b/llvm/test/CodeGen/Mips/tls-models.ll
index ca3c7fd..31c4438 100644
--- a/llvm/test/CodeGen/Mips/tls-models.ll
+++ b/llvm/test/CodeGen/Mips/tls-models.ll
@@ -1,5 +1,5 @@
-; RUN: llc -march=mipsel -relocation-model=pic < %s | FileCheck -check-prefix=CHECK-PIC %s
-; RUN: llc -march=mipsel -relocation-model=static < %s | FileCheck -check-prefix=CHECK-NONPIC %s
+; RUN: llc -mtriple=mipsel-- -relocation-model=pic < %s | FileCheck -check-prefix=CHECK-PIC %s
+; RUN: llc -mtriple=mipsel-- -relocation-model=static < %s | FileCheck -check-prefix=CHECK-NONPIC %s
 
 @external_gd = external thread_local global i32
 @internal_gd = internal thread_local global i32 42
diff --git a/llvm/test/CodeGen/Mips/tls.ll b/llvm/test/CodeGen/Mips/tls.ll
index 8968567..b416f1f 100644
--- a/llvm/test/CodeGen/Mips/tls.ll
+++ b/llvm/test/CodeGen/Mips/tls.ll
@@ -1,8 +1,8 @@
-; RUN: llc -march=mipsel -disable-mips-delay-filler -relocation-model=pic < %s | \
+; RUN: llc -mtriple=mipsel-- -disable-mips-delay-filler -relocation-model=pic < %s | \
 ; RUN:     FileCheck %s -check-prefixes=PIC,CHECK
-; RUN: llc -march=mipsel -relocation-model=static -disable-mips-delay-filler < \
+; RUN: llc -mtriple=mipsel-- -relocation-model=static -disable-mips-delay-filler < \
 ; RUN:     %s | FileCheck %s -check-prefixes=STATIC,CHECK
-; RUN: llc -march=mipsel -relocation-model=static -disable-mips-delay-filler \
+; RUN: llc -mtriple=mipsel-- -relocation-model=static -disable-mips-delay-filler \
 ; RUN:     -mips-fix-global-base-reg=false < %s  | \
 ; RUN:     FileCheck %s -check-prefixes=STATICGP,CHECK
 
diff --git a/llvm/test/CodeGen/Mips/tls16.ll b/llvm/test/CodeGen/Mips/tls16.ll
index 349e381..8ab7416 100644
--- a/llvm/test/CodeGen/Mips/tls16.ll
+++ b/llvm/test/CodeGen/Mips/tls16.ll
@@ -1,4 +1,4 @@
-; RUN: llc  -march=mipsel -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=PIC16
+; RUN: llc  -mtriple=mipsel-- -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=PIC16
 
 @a = thread_local global i32 4, align 4
 
diff --git a/llvm/test/CodeGen/Mips/tls16_2.ll b/llvm/test/CodeGen/Mips/tls16_2.ll
index b232c85..1fdcb65 100644
--- a/llvm/test/CodeGen/Mips/tls16_2.ll
+++ b/llvm/test/CodeGen/Mips/tls16_2.ll
@@ -1,4 +1,4 @@
-; RUN: llc  -march=mipsel -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=PIC16
+; RUN: llc  -mtriple=mipsel-- -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=PIC16
 
 @f.i = internal thread_local unnamed_addr global i32 1, align 4