Disable Subzero IR generation for performance testing.

tests_lit/reader_tests/nacl-other-intrinsics.ll

Index: tests_lit/reader_tests/nacl-other-intrinsics.ll
diff --git a/tests_lit/reader_tests/nacl-other-intrinsics.ll b/tests_lit/reader_tests/nacl-other-intrinsics.ll
index eda03a37ddb2f1dba961d28f3f48a9cbf4aba512..acebc19d9c1ef42d38899ef5ded4ecbdc5d2bcb3 100644
--- a/tests_lit/reader_tests/nacl-other-intrinsics.ll
+++ b/tests_lit/reader_tests/nacl-other-intrinsics.ll
@@ -1,6 +1,9 @@
 ; This tests parsing NaCl intrinsics not related to atomic operations.
 
 ; 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
 
 declare i8* @llvm.nacl.read.tp()
 declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
@@ -339,3 +342,4 @@ entry:
 ; CHECK-NEXT:   ret void
 ; CHECK-NEXT: }
 
+; NOIR: Total across all functions