Disable Subzero IR generation for performance testing.

tests_lit/reader_tests/compare.ll

Index: tests_lit/reader_tests/compare.ll
diff --git a/tests_lit/reader_tests/compare.ll b/tests_lit/reader_tests/compare.ll
index 51eb581710830d137b5439320393aca33aa31e7c..a4109dadaf4f857a83c1a1dbe44b0718214c8c61 100644
--- a/tests_lit/reader_tests/compare.ll
+++ b/tests_lit/reader_tests/compare.ll
@@ -1,6 +1,9 @@
 ; Test if we can read compare instructions.
 
 ; RUN: %p2i -i %s --insts | FileCheck %s
+; RUN: %p2i -i %s --args -notranslate -timing -noIRgen \
+; RUN:    | %if --need=allow_disable_ir_gen \
+; RUN:      --command FileCheck --check-prefix=NOIR %s
 
 define i1 @IcmpI1(i32 %p1, i32 %p2) {
 entry:
@@ -469,3 +472,5 @@ entry:
 ; CHECK-NEXT:   %vtrue = fcmp true <4 x float> %a1, %a2
 ; CHECK-NEXT:   ret <4 x i1> %voeq
 ; CHECK-NEXT: }
+
+; NOIR: Total across all functions