llvm-reduce: Clean out previous test temp/output dir, since it was a dir and now it's used as just a single file

llvm-svn: 372054

test/Reduce/remove-args.ll

@@ -1,5 +1,6 @@
 ; Test that llvm-reduce can remove uninteresting function arguments from function definitions as well as their calls.
 ;
+; RUN: rm -rf %t
 ; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-args.py %s -o %t
 ; RUN: cat %t | FileCheck -implicit-check-not=uninteresting %s
 

test/Reduce/remove-funcs.ll

@@ -1,6 +1,7 @@
 ; Test that llvm-reduce can remove uninteresting functions as well as
 ; their InstCalls.
 ;
+; RUN: rm -rf %t
 ; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-funcs.py %s -o %t
 ; RUN: cat %t | FileCheck -implicit-check-not=uninteresting %s
 

test/Reduce/remove-global-vars.ll

@@ -1,6 +1,7 @@
 ; Test that llvm-reduce can remove uninteresting Global Variables as well as
 ; their direct uses (which in turn are replaced with 'undef').
 ;
+; RUN: rm -rf %t
 ; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-global-vars.py %s -o %t
 ; RUN: cat %t | FileCheck -implicit-check-not=uninteresting %s
 

test/Reduce/remove-metadata.ll

@@ -1,6 +1,7 @@
 ; Test that llvm-reduce can remove uninteresting metadata from an IR file.
 ; The Metadata pass erases named & unnamed metadata nodes.
 ;
+; RUN: rm -rf %t
 ; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-metadata.py %s -o %t
 ; RUN: cat %t | FileCheck -implicit-check-not=! %s