test: avoid unnecessary temporary files

Use pipes and redirect the error output to FileCheck directly.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224501 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/thumb-diagnostics.s b/test/MC/ARM/thumb-diagnostics.s
index d2261293378c791fbaa04e3a4c3e18e24571dc8a..a2e494f08500811e1a81b9bdad826c35211a1b62 100644 (file)
--- a/test/MC/ARM/thumb-diagnostics.s
+++ b/test/MC/ARM/thumb-diagnostics.s
@@ -1,11 +1,11 @@
-@ RUN: not llvm-mc -triple=thumbv6-apple-darwin < %s 2> %t
-@ RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s
-@ RUN: not llvm-mc -triple=thumbv5-apple-darwin < %s 2> %t
-@ RUN: FileCheck --check-prefix=CHECK-ERRORS-V5 < %t %s
-@ RUN: not llvm-mc -triple=thumbv7m < %s 2> %t
-@ RUN: FileCheck --check-prefix=CHECK-ERRORS-V7M < %t %s
-@ RUN: not llvm-mc -triple=thumbv8 < %s 2> %t
-@ RUN: FileCheck --check-prefix=CHECK-ERRORS-V8 < %t %s
+@ RUN: not llvm-mc -triple=thumbv6-apple-darwin -o /dev/null < %s 2>&1 \
+@ RUN:     | FileCheck --check-prefix=CHECK-ERRORS %s
+@ RUN: not llvm-mc -triple=thumbv5-apple-darwin -o /dev/null < %s 2>&1 \
+@ RUN:     | FileCheck --check-prefix=CHECK-ERRORS-V5 %s
+@ RUN: not llvm-mc -triple=thumbv7m -o /dev/null < %s 2>&1 \
+@ RUN:     | FileCheck --check-prefix=CHECK-ERRORS-V7M %s
+@ RUN: not llvm-mc -triple=thumbv8 -o /dev/null < %s 2>&1 \
+@ RUN:     | FileCheck --check-prefix=CHECK-ERRORS-V8 %s
 
 @ Check for various assembly diagnostic messages on invalid input.