[PATCH] Attach function attribute "disable-tail-calls"

[Richard Smith]

================
Comment at: test/CodeGen/2004-06-17-UnorderedCompares.c:3
@@ -2,3 +2,3 @@
 // CHECK: @Test
-// CHECK-NOT: call
+// CHECK-NOT: call{{[ \t]+}}
 
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No need for a `+` here. Nor a `\t`, for that matter, just `{{ }}` should do.

================
Comment at: test/CodeGenCXX/ctor-globalopt.cpp:16
@@ -15,3 +15,3 @@
 // CHECK: call void @
-// CHECK-NOT: call
+// CHECK-NOT: call{{[ \t]+}}
 
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Likewise.

http://reviews.llvm.org/D10100

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