ccc: Bug fix, driver logic was allowing child jobs to pipe output when

parent wasn't expecting it.

llvm-svn: 62811

clang/tools/ccc/ccclib/Driver.py

@@ -672,8 +672,8 @@ class Driver(object):
                     inputList = phase.inputs[0].inputs
 
             # Only try to use pipes when exactly one input.
-            canAcceptPipe = len(inputList) == 1 and tool.acceptsPipedInput()
-            inputs = [createJobs(tc, p, canAcceptPipe, False, 
+            attemptToPipeInput = len(inputList) == 1 and tool.acceptsPipedInput()
+            inputs = [createJobs(tc, p, attemptToPipeInput, False, 
                                  arch, tcArgs, linkingOutput)
                       for p in inputList]
 
@@ -694,7 +694,7 @@ class Driver(object):
 
             # Figure out where to put the job (pipes).
             jobList = jobs
-            if canAcceptPipe and isinstance(inputs[0].source, Jobs.PipedJob):
+            if isinstance(inputs[0].source, Jobs.PipedJob):
                 jobList = inputs[0].source
                 
             baseInput = inputs[0].baseInput

clang/tools/ccc/test/ccc/universal-hello.c

@@ -1,6 +1,9 @@
 // RUN: xcc -arch ppc -arch i386 -arch x86_64 %s -o %t &&
 // RUN: %t | grep "Hello, World" &&
 
+// RUN: xcc -pipe -arch ppc -arch i386 -arch x86_64 %s -o %t &&
+// RUN: %t | grep "Hello, World" &&
+
 // Check that multiple archs are handled properly.
 // RUN: xcc -ccc-print-phases -### -arch ppc -arch ppc %s | grep linker- | count 1