Add initial integrated assembler w/ some Xmm ops.

tests_lit/llvm2ice_tests/align-spill-locations.ll

Index: tests_lit/llvm2ice_tests/align-spill-locations.ll
diff --git a/tests_lit/llvm2ice_tests/align-spill-locations.ll b/tests_lit/llvm2ice_tests/align-spill-locations.ll
index cbab64689c29b8e4793ef3747acc015ea79975d2..5bd7c56bc1751625f182303b3d296cbaf624c3c0 100644
--- a/tests_lit/llvm2ice_tests/align-spill-locations.ll
+++ b/tests_lit/llvm2ice_tests/align-spill-locations.ll
@@ -1,7 +1,11 @@
 ; This checks to ensure that Subzero aligns spill slots.
 
-; RUN: %llvm2ice --verbose none %s | FileCheck  %s
-; RUN: %llvm2ice -O2 --verbose none %s | FileCheck  %s
+; RUN: %llvm2ice --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 -O2 --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
 
 ; The location of the stack slot for a variable is inferred from the
@@ -48,7 +52,7 @@ block:
   call void @ForceXmmSpillsAndUseAlloca(i8* %alloc)
   ret <4 x i32> %vec.global
 ; CHECK-LABEL: align_global_vector_ebp_based:
-; CHECK: movups xmm0, xmmword ptr [ebp-24]
+; CHECK: movups xmm0, xmmword ptr [ebp - 24]
 ; CHECK-NEXT: mov esp, ebp
 ; CHECK-NEXT: pop ebp
 ; CHECK: ret
@@ -61,7 +65,7 @@ entry:
   call void @ForceXmmSpillsAndUseAlloca(i8* %alloc)
   ret <4 x i32> %vec.local
 ; CHECK-LABEL: align_local_vector_ebp_based:
-; CHECK: movups xmm0, xmmword ptr [ebp-24]
+; CHECK: movups xmm0, xmmword ptr [ebp - 24]
 ; CHECK-NEXT: mov esp, ebp
 ; CHECK-NEXT: pop ebp
 ; CHECK: ret
@@ -78,8 +82,8 @@ block:
   ret <4 x i32> %vec.local
 ; CHECK-LABEL: align_local_vector_and_global_float:
 ; CHECK: cvtsi2ss xmm0, eax
-; CHECK-NEXT: movss dword ptr [esp+{{12|28}}], xmm0
-; CHECK: movups xmm0, xmmword ptr [{{esp|esp\+16}}]
+; CHECK-NEXT: movss dword ptr [esp + {{12|28}}], xmm0
+; CHECK: movups xmm0, xmmword ptr [{{esp|esp \+ 16}}]
 ; CHECK-NEXT: add esp, 44
 ; CHECK-NEXT: ret
 }