-//RUN: not llvm-mc -triple=aarch64-linux -filetype=obj %s -o %t1 2> %t2
+//RUN: not llvm-mc -triple=aarch64-linux -filetype=obj %s -o /dev/null 2> %t2
//RUN: cat %t2 | FileCheck %s
//These tests look for errors that should be reported for invalid object layout
-// RUN: not llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t1 -split-dwarf-file %t2 2>&1 | FileCheck %s
+// RUN: not llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o /dev/null -split-dwarf-file %t2 2>&1 | FileCheck %s
// CHECK: error: A relocation may not refer to a dwo section
.quad .foo.dwo
# REQUIRES: object-emission
-# RUN: dsymutil -no-output %p/../Inputs/fat-test.arm.dylib -o %t.dSYM -verbose 2>&1 | FileCheck %s
+# RUN: dsymutil -no-output %p/../Inputs/fat-test.arm.dylib -o /dev/null -verbose 2>&1 | FileCheck %s
# We detect thumb triples from the binaries, because those are the only ones
# that are guaranteed to be able to generate a Target instance (for example
# REQUIRES: object-emission
# By default, dsymutil spawns one thread per architecture and this test just
# ensures that things don't break when processing multiple archs.
-# RUN: dsymutil -no-output %p/../Inputs/fat-test.arm.dylib -o %t.brief.dSYM 2>&1
+# RUN: dsymutil -no-output %p/../Inputs/fat-test.arm.dylib -o /dev/null 2>&1
-# RUN: not llvm-mc %t.blah -o %t2 2>&1 | FileCheck --check-prefix=ENOENT %s
+# RUN: not llvm-mc %t.blah -o /dev/null 2>&1 | FileCheck --check-prefix=ENOENT %s
# ENOENT: {{.*}}.blah: {{[Nn]}}o such file or directory
-# RUN: not llvm-mca %s -mtriple=x86_64-unknown-unknown -mcpu=atom -o %t1 2>&1 | FileCheck %s
+# RUN: not llvm-mca %s -mtriple=x86_64-unknown-unknown -mcpu=atom -o /dev/null 2>&1 | FileCheck %s
# CHECK: error: please specify an out-of-order cpu. 'atom' is an in-order cpu.
-# RUN: not llvm-mca %s -mtriple=x86_64-unknown-unknown -mcpu=foo -o %t1 2>&1 | FileCheck %s
+# RUN: not llvm-mca %s -mtriple=x86_64-unknown-unknown -mcpu=foo -o /dev/null 2>&1 | FileCheck %s
# CHECK: 'foo' is not a recognized processor for this target (ignoring processor)
-# RUN: not llvm-mca %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 -o %t1 2>&1 | FileCheck %s
+# RUN: not llvm-mca %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 -o /dev/null 2>&1 | FileCheck %s
# CHECK: error: no assembly instructions found.
-# RUN: not llvm-mca %t.blah -o %t2 2>&1 | FileCheck --check-prefix=ENOENT %s
+# RUN: not llvm-mca %t.blah -o /dev/null 2>&1 | FileCheck --check-prefix=ENOENT %s
# ENOENT: {{.*}}.blah: {{[Nn]}}o such file or directory