Start adding an integrated assembler.

tests_lit/llvm2ice_tests/fp.pnacl.ll

Index: tests_lit/llvm2ice_tests/fp.pnacl.ll
diff --git a/tests_lit/llvm2ice_tests/fp.pnacl.ll b/tests_lit/llvm2ice_tests/fp.pnacl.ll
index 424fe3a958208c435fb2ce088ff818ca5981e5f8..e37309fe6b1e7416eba0fea1d0bcdda58d67f1f9 100644
--- a/tests_lit/llvm2ice_tests/fp.pnacl.ll
+++ b/tests_lit/llvm2ice_tests/fp.pnacl.ll
@@ -124,6 +124,15 @@ entry:
 ; CHECK: addss
 ; CHECK: fld
 
+define internal float @addFloatImm(float %a) {
+entry:
+  %add = fadd float %a, 1.0
+  ret float %add
+}
+; CHECK-LABEL: addFloatImm
+; CHECK: addss
+; CHECK: fld
+
 define internal double @addDouble(double %a, double %b) {
 entry:
   %add = fadd double %a, %b
@@ -133,6 +142,16 @@ entry:
 ; CHECK: addsd
 ; CHECK: fld
 
+define internal double @addDoubleImm(double %a) {
+entry:
+  %add = fadd double %a, 1.0
+  ret double %add
+}
+; CHECK-LABEL: addDoubleImm
+; CHECK: addsd
+; CHECK: fld
+
+
 define internal float @subFloat(float %a, float %b) {
 entry:
   %sub = fsub float %a, %b