Convert lit tests to check disassembled assembly.

tests_lit/llvm2ice_tests/undef.ll

Index: tests_lit/llvm2ice_tests/undef.ll
diff --git a/tests_lit/llvm2ice_tests/undef.ll b/tests_lit/llvm2ice_tests/undef.ll
index b98946ccf4e0d34085dc16c0b7ad3538de640385..17c064548a6c47a89b2c529c87bc81690ee1d033 100644
--- a/tests_lit/llvm2ice_tests/undef.ll
+++ b/tests_lit/llvm2ice_tests/undef.ll
@@ -1,17 +1,17 @@
 ; This test checks that undef values are represented as zero.
 
-; RUN: %llvm2ice --verbose none %s | FileCheck  %s
-; RUN: %llvm2ice -O2 --verbose none %s | FileCheck  %s
-; RUN: %llvm2ice -mattr=sse4.1 --verbose none %s | FileCheck  %s
-; RUN: %llvm2ice -mattr=sse4.1 -O2 --verbose none %s | FileCheck  %s
 ; RUN: %llvm2ice -O2 --verbose none %s \
-; RUN:     | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj
+; 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:     | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj
-; RUN: %llvm2ice -mattr=sse4.1 -O2 --verbose none %s \
-; RUN:     | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj
-; RUN: %llvm2ice -mattr=sse4.1 -Om1 --verbose none %s \
-; RUN:     | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj
+; 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:   | 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:   | 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 \
@@ -30,14 +30,13 @@ entry:
 ; CHECK-LABEL: undef_i64:
 ; CHECK-DAG: mov eax, 0
 ; CHECK-DAG: mov edx, 0
-; CHECK: ret
 }
 
 define float @undef_float() {
 entry:
   ret float undef
 ; CHECK-LABEL: undef_float:
-; CHECK: [L$float$
+; CHECK: fld dword ptr [0]
 }
 
 define <4 x i1> @undef_v4i1() {
@@ -190,7 +189,7 @@ entry:
   %val = insertelement <4 x float> %arg, float undef, i32 0
   ret <4 x float> %val
 ; CHECK-LABEL: vector_insertelement_arg2:
-; CHECK: [L$float$
+; CHECK: movss {{.*}}, dword ptr [0]
 }
 
 define float @vector_extractelement_v4f32_index_0() {