tests: Add a %abs_tmp substitution which is guaranteed to be a full path.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81662 91177308-0d34-0410-b5e6-96231b3b80d8

test/lib/llvm.exp

@@ -85,6 +85,8 @@ proc substitute { line test tmpFile } {
   regsub -all {%s} $new_line $test new_line
   #replace %t with temp filenames
   regsub -all {%t} $new_line $tmpFile new_line
+  #replace %abs_tmp with absolute temp filenames
+  regsub -all {%abs_tmp} $new_line [file join [pwd] $tmpFile] new_line
   #replace _#MARKER#_ with %
   regsub -all {_#MARKER#_} $new_line % new_line
 

utils/lit/TestRunner.py

@@ -294,6 +294,8 @@ def parseIntegratedTestScript(test, xfailHasColon, requireAndAnd):
                           ('%S', os.path.dirname(sourcepath)),
                           ('%p', os.path.dirname(sourcepath)),
                           ('%t', tmpBase + '.tmp'),
+                          # FIXME: Remove this once we kill DejaGNU.
+                          ('%abs_tmp', tmpBase + '.tmp'),
                           ('#_MARKER_#', '%')])
 
     # Collect the test lines from the script.