Remove explicit uses of -emit-llvm, the test infrastructure adds it
automatically.  Use -S with llvm-gcc rather than -c, so tests can
work when llvm-gcc is really dragonegg (which can output IR with -S
but not -c).

llvm-svn: 120158
diff --git a/llvm/test/FrontendC/implicit-arg.c b/llvm/test/FrontendC/implicit-arg.c
index 971245f..a6cb8bc 100644
--- a/llvm/test/FrontendC/implicit-arg.c
+++ b/llvm/test/FrontendC/implicit-arg.c
@@ -1,5 +1,5 @@
-// RUN: %llvmgcc %s -S -emit-llvm -O0 -o -
-// RUN: %llvmgcc %s -S -emit-llvm -O1 -o -
+// RUN: %llvmgcc %s -S -O0 -o -
+// RUN: %llvmgcc %s -S -O1 -o -
 // rdar://6518089
 
 static int bar();