Clean up run script to use for testing Subzero.

tests_lit/llvm2ice_tests/undef.ll

 ; This test checks that undef values are represented as zero.
 
-; RUN: %llvm2ice -O2 --verbose none %s \
+; TODO(kschimpf) Find out why lc2i is needed.
+; RUN: %p2i -i %s --args -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: %lc2i -i %s --args -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 -O2 -mattr=sse4.1 --verbose none %s \
+; RUN: %p2i -i %s --args -O2 -mattr=sse4.1 --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 -mattr=sse4.1 --verbose none %s \
+; RUN: %lc2i -i %s --args -Om1 -mattr=sse4.1 --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 --args --verbose none | FileCheck --check-prefix=ERRORS %s
+; RUN: %lc2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s
 
 define i32 @undef_i32() {
 entry:
   ret i32 undef
 ; CHECK-LABEL: undef_i32
 ; CHECK: mov eax, 0
 }
 
 define i64 @undef_i64() {
 entry:
@@ skipping 256 matching lines @@
 define <4 x float> @vector_select_v4f32_arg2(<4 x i1> %cond, <4 x float> %a) {
 entry:
   %val = select <4 x i1> %cond, <4 x float> %a, <4 x float> undef
   ret <4 x float> %val
 ; CHECK-LABEL: vector_select_v4f32_arg2
 ; CHECK: pxor
 }
 
 ; ERRORS-NOT: ICE translation error
 ; DUMP-NOT: SZ