diff --git a/infer/src/llvm/lLexer.mll b/infer/src/llvm/lLexer.mll
index 2ad880d0e..85c2d9a26 100644
--- a/infer/src/llvm/lLexer.mll
+++ b/infer/src/llvm/lLexer.mll
@@ -68,11 +68,11 @@ rule token = parse
   | "label" { LABEL }
   | "metadata" { METADATA }
 
-  | pos_int as size { SIZE (int_of_string size) }
+  | pos_int as size { CONSTANT_INT (int_of_string size) }
   (* CONSTANTS *)
-  | "true" { CONSTINT 1 }
-  | "false" { CONSTINT 0 }
-  | intlit as i { CONSTINT (int_of_string i) }
+  | "true" { CONSTANT_INT 1 }
+  | "false" { CONSTANT_INT 0 }
+  | intlit as i { CONSTANT_INT (int_of_string i) }
   (* floating point constants *)
   | "null" { NULL }
 
diff --git a/infer/src/llvm/lParser.mly b/infer/src/llvm/lParser.mly
index bb09ac13c..42f929a12 100644
--- a/infer/src/llvm/lParser.mly
+++ b/infer/src/llvm/lParser.mly
@@ -42,9 +42,8 @@
 %token LABEL
 %token METADATA
 
-%token <int> SIZE
 (* CONSTANTS *)
-%token <int> CONSTINT
+%token <int> CONSTANT_INT
 %token NULL
 
 (* INSTRUCTIONS *)
@@ -162,13 +161,13 @@ typ:
   | tp = element_typ { tp }
   (*| X86_MMX { () }*)
   | tp = vector_typ { tp }
-  | LSQBRACK sz = SIZE X tp = element_typ RSQBRACK { Tarray (sz, tp) } (* array type *)
+  | LSQBRACK sz = CONSTANT_INT X tp = element_typ RSQBRACK { Tarray (sz, tp) } (* array type *)
   | LABEL { Tlabel }
   | METADATA { Tmetadata }
   (* TODO structs *)
 
 vector_typ:
-  | LANGLE sz = SIZE X tp = element_typ RANGLE { Tvector (sz, tp) }
+  | LANGLE sz = CONSTANT_INT X tp = element_typ RANGLE { Tvector (sz, tp) }
 
 element_typ:
   | width = INT { Tint width }
@@ -196,7 +195,7 @@ instr:
   | BR LABEL lbl=variable { UncondBranch lbl }
   | BR BIT op=operand COMMA LABEL lbl1=variable COMMA LABEL lbl2=variable { CondBranch (op, lbl1, lbl2) }
   (* Memory access operations *)
-  | var=variable EQUALS ALLOCA tp=typ (*COMMA ALIGN sz=SIZE*) { Alloc (var, tp, 1, 1) }
+  | var=variable EQUALS ALLOCA tp=typ (*COMMA ALIGN sz=CONSTANT_INT*) { Alloc (var, tp, 1, 1) }
   | var = variable EQUALS LOAD tp = ptr_typ ptr = variable { Load (var, tp, ptr) }
   | STORE val_tp = typ value = operand COMMA ptr_tp = ptr_typ var = variable { Store (value, val_tp, var) }
     (* don't yet know why val_tp and ptr_tp would be different *)
@@ -248,5 +247,5 @@ variable:
   | num = NUMBERED_LOCAL { Local (Number num) }
 
 constant:
-  | i = CONSTINT { Cint i }
+  | i = CONSTANT_INT { Cint i }
   | NULL { Cnull }