Subzero: Delete szdiff.py tests and ERRORS tests.

tests_lit/llvm2ice_tests/globalinit.pnacl.ll

 ; Test of global initializers.
 
 ; Test -ias=0 to test the lea "hack" until we are fully confident in -ias=1
 ; RUN: %p2i -i %s --args --verbose none -ias=0 | FileCheck %s
 
 ; Test -ias=1 and try to cross reference instructions w/ the symbol table.
 ; RUN: %p2i -i %s --args --verbose none \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -filetype=obj \
 ; RUN:   | llvm-objdump -d -r --symbolize -x86-asm-syntax=intel - \
 ; RUN:   | FileCheck --check-prefix=IAS %s
 ; RUN: %p2i -i %s --args --verbose none \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -filetype=obj \
 ; RUN:   | llvm-objdump -d -t --symbolize -x86-asm-syntax=intel - \
 ; RUN:   | FileCheck --check-prefix=SYMTAB %s
 
-; RUN: %p2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s
-
 @PrimitiveInit = internal global [4 x i8] c"\1B\00\00\00", align 4
 ; CHECK: .type PrimitiveInit,@object
 ; CHECK-NEXT: .section .data,"aw",@progbits
 ; CHECK-NEXT: .align 4
 ; CHECK-NEXT: PrimitiveInit:
 ; CHECK-NEXT: .byte
 ; CHECK: .size PrimitiveInit, 4
 
 @PrimitiveInitConst = internal constant [4 x i8] c"\0D\00\00\00", align 4
 ; CHECK: .type PrimitiveInitConst,@object
@@ skipping 130 matching lines @@
 define internal i32 @nacl_tp_tdb_offset(i32 %__0) {
 entry:
   ret i32 0
 }
 
 define internal i32 @nacl_tp_tls_offset(i32 %size) {
 entry:
   %result = sub i32 0, %size
   ret i32 %result
 }
-
-; ERRORS-NOT: ICE translation error