Subzero, MIPS32: Remove --skip-unimplemented from lit tests

tests_lit/llvm2ice_tests/64bit.pnacl.ll

 ; This tries to be a comprehensive test of i64 operations, in
 ; particular the patterns for lowering i64 operations into constituent
 ; i32 operations on x86-32.
 
 ; RUN: %if --need=target_X8632 --command %p2i --filetype=obj --disassemble \
 ; RUN:   --target x8632 -i %s --args -O2 -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_X8632 --command FileCheck %s
 
 ; RUN: %if --need=target_X8632 --command %p2i --filetype=obj --disassemble \
 ; RUN:   --target x8632 -i %s --args -Om1 -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_X8632 --command FileCheck --check-prefix=OPTM1 %s
 
 ; RUN: %if --need=target_ARM32 \
 ; RUN:   --command %p2i --filetype=obj \
 ; RUN:   --disassemble --target arm32 -i %s --args -O2 \
 ; RUN:   -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_ARM32 \
 ; RUN:   --command FileCheck --check-prefix ARM32 --check-prefix ARM32-O2 %s
 ; RUN: %if --need=target_ARM32 \
 ; RUN:   --command %p2i --filetype=obj --disassemble --target arm32 \
 ; RUN:   -i %s --args -Om1 \
 ; RUN:   -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_ARM32 \
 ; RUN:   --command FileCheck --check-prefix ARM32 --check-prefix ARM32-OM1 %s
 
-; TODO(rkotler): Stop skipping unimplemented parts (via --skip-unimplemented)
-; once enough infrastructure is in. Also, switch to --filetype=obj
-; when possible.
+; TODO: Switch to --filetype=obj when possible.
 ; RUN: %if --need=target_MIPS32 --need=allow_dump \
 ; RUN:   --command %p2i --filetype=asm --assemble \
-; RUN:   --disassemble --target mips32 -i %s --args -O2 --skip-unimplemented \
+; RUN:   --disassemble --target mips32 -i %s --args -O2 \
 ; RUN:   -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_MIPS32 --need=allow_dump \
 ; RUN:   --command FileCheck --check-prefix MIPS32 --check-prefix MIPS32-O2 %s
 
 ; RUN: %if --need=target_MIPS32 --need=allow_dump \
 ; RUN:   --command %p2i --filetype=asm --assemble \
-; RUN:   --disassemble --target mips32 -i %s --args -Om1 --skip-unimplemented \
+; RUN:   --disassemble --target mips32 -i %s --args -Om1 \
 ; RUN:   -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_MIPS32 --need=allow_dump \
 ; RUN:   --command FileCheck --check-prefix MIPS32 --check-prefix MIPS32-OM1 %s
 
 @__init_array_start = internal constant [0 x i8] zeroinitializer, align 4
 @__fini_array_start = internal constant [0 x i8] zeroinitializer, align 4
 @__tls_template_start = internal constant [0 x i8] zeroinitializer, align 8
 @__tls_template_alignment = internal constant [4 x i8] c"\01\00\00\00", align 4
 
 define internal i32 @ignore64BitArg(i64 %a, i32 %b, i64 %c) {
@@ skipping 2414 matching lines @@
   %s = lshr i64 %a, 40
   %t = trunc i64 %s to i32
   %r = sub i32 %t, 1
   ret i32 %r
 ; ARM32-LABEL: subOneToUpperAfterShift
 ; ARM32: subs
 ; ARM32: sbc
 ; ARM32: lsr
 ; ARM32: sub
 }