Subzero: Clean up function header emission.

tests_lit/llvm2ice_tests/vector-fcmp.ll

 ; This file checks support for comparing vector values with the fcmp
 ; instruction.
 
-; RUN: %p2i -i %s --assemble --disassemble -a -O2 --verbose none \
-; RUN:   | FileCheck %s
-; RUN: %p2i -i %s --assemble --disassemble -a -Om1 --verbose none \
-; RUN:   | FileCheck %s
+; RUN: %p2i -i %s --filetype=obj --disassemble -a -O2 | FileCheck %s
+; RUN: %p2i -i %s --filetype=obj --disassemble -a -Om1 | FileCheck %s
 
 ; Check that sext elimination occurs when the result of the comparison
 ; instruction is alrady sign extended.  Sign extension to 4 x i32 uses
 ; the pslld instruction.
 define <4 x i32> @sextElimination(<4 x float> %a, <4 x float> %b) {
 entry:
   %res.trunc = fcmp oeq <4 x float> %a, %b
   %res = sext <4 x i1> %res.trunc to <4 x i32>
   ret <4 x i32> %res
 ; CHECK-LABEL: sextElimination
@@ skipping 141 matching lines @@
 }
 
 define <4 x i32> @fcmpUnoVector(<4 x float> %a, <4 x float> %b) {
 entry:
   %res.trunc = fcmp uno <4 x float> %a, %b
   %res = sext <4 x i1> %res.trunc to <4 x i32>
   ret <4 x i32> %res
 ; CHECK-LABEL: fcmpUnoVector
 ; CHECK: cmpunordps
 }