Clean up run script to use for testing Subzero.

tests_lit/llvm2ice_tests/global.ll

 ; Trivial test of the use of internal versus external global
 ; variables.
 
-; RUN: %llvm2ice --verbose inst %s | FileCheck %s
-; RUN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
-; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s
+; TODO(kschimpf) find out why lc2i is needed.
+; RUN: %lc2i -i %s --args --verbose inst | FileCheck %s
+; RUN: %lc2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s
+; RUN: %lc2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s
 
 @intern_global = internal global [4 x i8] c"\00\00\00\0C", align 4
 @extern_global = external global [4 x i8]
 
 define i32 @test_intern_global() {
 ; CHECK: define i32 @test_intern_global
 entry:
   %__1 = bitcast [4 x i8]* @intern_global to i32*
   %v0 = load i32* %__1, align 1
   ret i32 %v0
 }
 
 define i32 @test_extern_global() {
 ; CHECK: define i32 @test_extern_global
 entry:
   %__1 = bitcast [4 x i8]* @extern_global to i32*
   %v0 = load i32* %__1, align 1
   ret i32 %v0
 }
 
 ; ERRORS-NOT: ICE translation error
 ; DUMP-NOT: SZ