Clean up run script to use for testing Subzero.

tests_lit/llvm2ice_tests/unreachable.ll

Index: tests_lit/llvm2ice_tests/unreachable.ll
diff --git a/tests_lit/llvm2ice_tests/unreachable.ll b/tests_lit/llvm2ice_tests/unreachable.ll
index 8db1bff6fae10ae917c80d80e851fc8555fc32ee..b4e2ed51dc455acac227ede77263f1f69dea54e9 100644
--- a/tests_lit/llvm2ice_tests/unreachable.ll
+++ b/tests_lit/llvm2ice_tests/unreachable.ll
@@ -4,19 +4,16 @@
 ; doesn't know how to symbolize non-section-local functions.
 ; The newer LLVM 3.6 one does work, but watch out for other bugs.
 
-; RUN: %llvm2ice -O2 --verbose none %s \
+; RUN: %p2i -i %s -a -O2 --verbose none \
 ; RUN:   | FileCheck --check-prefix=CALLTARGETS %s
-; RUN: %llvm2ice -O2 --verbose none %s \
+; RUN: %p2i -i %s -a -O2 --verbose none \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \
 ; RUN:   | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s
-; RUN: %llvm2ice -Om1 --verbose none %s \
+; RUN: %p2i -i %s -a -Om1 --verbose none \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \
 ; RUN:   | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s
-; RUN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
-; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s
-; RUN: %llvm2iceinsts --pnacl %s | %szdiff %s \
-; RUN:                           | FileCheck --check-prefix=DUMP %s
-
+; RUN: %p2i -i %s -a --verbose none | FileCheck --check-prefix=ERRORS %s
+; RUN: %p2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s
 
 define internal i32 @divide(i32 %num, i32 %den) {
 entry: