Convert lit tests to check disassembled assembly.

tests_lit/llvm2ice_tests/bitcast.ll

Index: tests_lit/llvm2ice_tests/bitcast.ll
diff --git a/tests_lit/llvm2ice_tests/bitcast.ll b/tests_lit/llvm2ice_tests/bitcast.ll
index 511b2d88e78948b7424a6f07b34b748c269dc01d..5ab430a2ddb346e915bf57af374fea7b7f67e3c1 100644
--- a/tests_lit/llvm2ice_tests/bitcast.ll
+++ b/tests_lit/llvm2ice_tests/bitcast.ll
@@ -1,10 +1,15 @@
 ; Trivial smoke test of bitcast between integer and FP types.
 
-; RUN: %llvm2ice -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: %llvm2ice -Om1 --verbose none %s \
-; RUN:     | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj
+; TODO(jvoung): remove -ffunction-sections. Sadly... diassembling some
+; "ret" within a section are broken in llvm-objdump for LLVM 3.4, and 3.5.
+; It was only fixed in 3.6.
+
+; RUN: %llvm2ice -O2 --verbose none -ffunction-sections %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 --verbose none -ffunction-sections %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 \
@@ -43,7 +48,7 @@ entry:
   ret i64 %v0
 }
 ; CHECK-LABEL: cast_d2ll_const
-; CHECK: movsd xmm{{.*}}, {{.*}}L$double
+; CHECK: movsd xmm{{.*}}, qword ptr
 ; CHECK: mov edx
 ; CHECK: ret