diff --git a/src/LLVM.zig b/src/LLVM.zig
index 1fa510d..e3f123b 100644
--- a/src/LLVM.zig
+++ b/src/LLVM.zig
@@ -584,6 +584,10 @@ pub const Builder = opaque {
         return api.LLVMBuildAnd(builder, left, right, "");
     }
 
+    pub fn create_or(builder: *Builder, left: *Value, right: *Value) *Value {
+        return api.LLVMBuildOr(builder, left, right, "");
+    }
+
     pub fn create_ret_void(builder: *Builder) void {
         builder.create_ret(null);
     }
diff --git a/src/converter.zig b/src/converter.zig
index a403558..3e179a9 100644
--- a/src/converter.zig
+++ b/src/converter.zig
@@ -306,6 +306,7 @@ const Converter = struct {
         ashr,
         lshr,
         @"and",
+        @"or",
     };
 
     fn parse_value(noalias converter: *Converter, noalias thread: *llvm.Thread, expected_type: Type) *llvm.Value {
@@ -338,6 +339,7 @@ const Converter = struct {
                 .ashr => thread.builder.create_ashr(left, right),
                 .lshr => thread.builder.create_lshr(left, right),
                 .@"and" => thread.builder.create_and(left, right),
+                .@"or" => thread.builder.create_or(left, right),
             };
 
             const ch = converter.content[converter.offset];
@@ -398,6 +400,10 @@ const Converter = struct {
                     converter.offset += 1;
                     break :blk .@"and";
                 },
+                '|' => blk: {
+                    converter.offset += 1;
+                    break :blk .@"or";
+                },
                 else => os.abort(),
             };
 
diff --git a/src/converter_test.zig b/src/converter_test.zig
index 897b05e..8e24d25 100644
--- a/src/converter_test.zig
+++ b/src/converter_test.zig
@@ -114,3 +114,7 @@ test "constant shift right" {
 test "constant and" {
     try invoke("constant_and");
 }
+
+test "constant or" {
+    try invoke("constant_or");
+}
diff --git a/src/llvm_api.zig b/src/llvm_api.zig
index 41496c7..07492a3 100644
--- a/src/llvm_api.zig
+++ b/src/llvm_api.zig
@@ -30,6 +30,7 @@ pub extern fn LLVMBuildShl(builder: *llvm.Builder, left: *llvm.Value, right: *ll
 pub extern fn LLVMBuildAShr(builder: *llvm.Builder, left: *llvm.Value, right: *llvm.Value, name: [*:0]const u8) *llvm.Value;
 pub extern fn LLVMBuildLShr(builder: *llvm.Builder, left: *llvm.Value, right: *llvm.Value, name: [*:0]const u8) *llvm.Value;
 pub extern fn LLVMBuildAnd(builder: *llvm.Builder, left: *llvm.Value, right: *llvm.Value, name: [*:0]const u8) *llvm.Value;
+pub extern fn LLVMBuildOr(builder: *llvm.Builder, left: *llvm.Value, right: *llvm.Value, name: [*:0]const u8) *llvm.Value;
 
 pub extern fn LLVMTypeOf(value: *llvm.Value) *llvm.Type;
 pub extern fn LLVMGlobalGetValueType(value: *llvm.GlobalValue) *llvm.Type;
diff --git a/tests/constant_or.bbb b/tests/constant_or.bbb
new file mode 100644
index 0000000..4392873
--- /dev/null
+++ b/tests/constant_or.bbb
@@ -0,0 +1,4 @@
+[export] main = fn [cc(c)] () s32
+{
+    return 0 | 0;
+}