Add initial integrated assembler w/ some Xmm ops.

tests_lit/llvm2ice_tests/align-spill-locations.ll

 ; 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
 ; return sequence.
 
 ; In this file, "global" refers to a variable with a live range across
 ; multiple basic blocks (not an LLVM global variable) and "local"
 ; refers to a variable that is live in only a single basic block.
 
 define <4 x i32> @align_global_vector(i32 %arg) {
@@ skipping 26 matching lines @@
 
 define <4 x i32> @align_global_vector_ebp_based(i32 %arg) {
 entry:
   %alloc = alloca i8, i32 1, align 1
   %vec.global = insertelement <4 x i32> undef, i32 %arg, i32 0
   br label %block
 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
 }
 
 define <4 x i32> @align_local_vector_ebp_based(i32 %arg) {
 entry:
   %alloc = alloca i8, i32 1, align 1
   %vec.local = insertelement <4 x i32> undef, i32 %arg, i32 0
   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
 }
 
 define <4 x i32> @align_local_vector_and_global_float(i32 %arg) {
 entry:
   %float.global = sitofp i32 %arg to float
   call void @ForceXmmSpillsAndUseFloat(float %float.global)
   br label %block
 block:
   %vec.local = insertelement <4 x i32> undef, i32 undef, i32 0
   call void @ForceXmmSpillsAndUseFloat(float %float.global)
   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
 }
 
 declare void @ForceXmmSpillsAndUseAlloca(i8*)
 declare void @ForceXmmSpillsAndUseFloat(float)
 
 ; ERRORS-NOT: ICE translation error