Subzero: Delete szdiff.py tests and ERRORS tests.

tests_lit/llvm2ice_tests/vector-cast.ll

 ; This file tests casting / conversion operations that apply to vector types.
 ; bitcast operations are in vector-bitcast.ll.
 
 ; TODO(jvoung): fix extra "CALLTARGETS" run. The llvm-objdump symbolizer
 ; 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: %p2i -i %s --args -O2 --verbose none \
 ; RUN:   | FileCheck --check-prefix=CALLTARGETS %s
 ; RUN: %p2i -i %s --args -O2 --verbose none \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -filetype=obj \
 ; RUN:   | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s
 ; RUN: %p2i -i %s --args -Om1 --verbose none \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -filetype=obj \
 ; RUN:   | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s
-; RUN: %p2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s
-; RUN: %p2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s
 
 ; sext operations
 
 define <16 x i8> @test_sext_v16i1_to_v16i8(<16 x i1> %arg) {
 entry:
   %res = sext <16 x i1> %arg to <16 x i8>
   ret <16 x i8> %res
 
 ; CHECK-LABEL: test_sext_v16i1_to_v16i8:
 ; CHECK: pxor
@@ skipping 136 matching lines @@
 define <4 x float> @test_uitofp_v4i32_to_v4f32(<4 x i32> %arg) {
 entry:
   %res = uitofp <4 x i32> %arg to <4 x float>
   ret <4 x float> %res
 
 ; CHECK-LABEL: test_uitofp_v4i32_to_v4f32:
 ; CHECK: call -4
 ; CALLTARGETS-LABEL: test_uitofp_v4i32_to_v4f32
 ; CALLTARGETS: call Sz_uitofp_v4i32
 }
-
-; ERRORS-NOT: ICE translation error
-; DUMP-NOT: SZ