Subzero: Clean up function header emission.

tests_lit/llvm2ice_tests/elf_nodata.ll

 ; Tests that we generate an ELF container correctly when there
 ; is no data section.
 
-; RUN: %p2i -i %s --filetype=obj --args -O2 --verbose none -o %t \
+; RUN: %p2i -i %s --filetype=obj --args -O2 -o %t \
 ; RUN:   && llvm-readobj -file-headers -sections -section-data \
 ; RUN:       -relocations -symbols %t | FileCheck %s
 
-; RUN: %p2i -i %s --args -O2 --verbose none \
-; RUN:   | llvm-mc -triple=i686-none-nacl -filetype=obj -o - \
-; RUN:   | llvm-readobj -file-headers -sections -section-data \
-; RUN:       -relocations -symbols - | FileCheck %s
+; RUN: %if --need=allow_dump --command %p2i -i %s --args -O2 \
+; RUN:   | %if --need=allow_dump --command \
+; RUN:   llvm-mc -triple=i686-none-nacl -filetype=obj -o - \
+; RUN:   | %if --need=allow_dump --command \
+; RUN:   llvm-readobj -file-headers -sections -section-data \
+; RUN:       -relocations -symbols - \
+; RUN:   | %if --need=allow_dump --command FileCheck %s
 
 declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
 
 define internal i32 @foo(i32 %x, i32 %len) {
   %y = add i32 %x, %x
   %dst = inttoptr i32 %y to i8*
   %src = inttoptr i32 %x to i8*
   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src,
                                        i32 %len, i32 1, i1 false)
 
@@ skipping 94 matching lines @@
 ; CHECK:        Symbol {
 ; CHECK:          Name: memcpy
 ; CHECK-NEXT:     Value: 0x0
 ; CHECK-NEXT:     Size: 0
 ; CHECK-NEXT:     Binding: Global
 ; CHECK-NEXT:     Type: None
 ; CHECK-NEXT:     Other: 0
 ; CHECK-NEXT:     Section: Undefined
 ; CHECK-NEXT:   }
 ; CHECK: ]