| ; RUN: llc < %s --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types | FileCheck %s |
| |
| %extern = type opaque |
| %externref = type %extern addrspace(10)* ;; addrspace 10 is nonintegral |
| |
| @externref_table = local_unnamed_addr addrspace(1) global [0 x %externref] undef |
| |
| define %externref @get_externref_from_table(i32 %i) { |
| ; CHECK-LABEL: get_externref_from_table: |
| ; CHECK-NEXT: .functype get_externref_from_table (i32) -> (externref) |
| ; CHECK-NEXT: local.get 0 |
| ; CHECK-NEXT: table.get externref_table |
| ; CHECK-NEXT: end_function |
| %p = getelementptr [0 x %externref], [0 x %externref] addrspace (1)* @externref_table, i32 0, i32 %i |
| %ref = load %externref, %externref addrspace(1)* %p |
| ret %externref %ref |
| } |
| |
| define %externref @get_externref_from_table_const() { |
| ; CHECK-LABEL: get_externref_from_table_const: |
| ; CHECK-NEXT: .functype get_externref_from_table_const () -> (externref) |
| ; CHECK-NEXT: i32.const 0 |
| ; CHECK-NEXT: table.get externref_table |
| ; CHECK-NEXT: end_function |
| %p = getelementptr [0 x %externref], [0 x %externref] addrspace (1)* @externref_table, i32 0, i32 0 |
| %ref = load %externref, %externref addrspace(1)* %p |
| ret %externref %ref |
| } |
| |
| define %externref @get_externref_from_table_with_offset(i32 %i) { |
| ; CHECK-LABEL: get_externref_from_table_with_offset: |
| ; CHECK-NEXT: .functype get_externref_from_table_with_offset (i32) -> (externref) |
| ; CHECK-NEXT: local.get 0 |
| ; CHECK-NEXT: i32.const 2 |
| ; CHECK-NEXT: i32.add |
| ; CHECK-NEXT: table.get externref_table |
| ; CHECK-NEXT: end_function |
| %off = add nsw i32 %i, 2 |
| %p = getelementptr [0 x %externref], [0 x %externref] addrspace (1)* @externref_table, i32 0, i32 %off |
| %ref = load %externref, %externref addrspace(1)* %p |
| ret %externref %ref |
| } |
| |
| |
| define %externref @get_externref_from_table_with_var_offset(i32 %i, i32 %j) { |
| ; CHECK-LABEL: get_externref_from_table_with_var_offset: |
| ; CHECK-NEXT: .functype get_externref_from_table_with_var_offset (i32, i32) -> (externref) |
| ; CHECK-NEXT: local.get 0 |
| ; CHECK-NEXT: local.get 1 |
| ; CHECK-NEXT: i32.add |
| ; CHECK-NEXT: table.get externref_table |
| ; CHECK-NEXT: end_function |
| %off = add nsw i32 %i, %j |
| %p = getelementptr [0 x %externref], [0 x %externref] addrspace (1)* @externref_table, i32 0, i32 %off |
| %ref = load %externref, %externref addrspace(1)* %p |
| ret %externref %ref |
| } |
| |
| declare i32 @get_offset() |
| |
| define %externref @get_externref_from_table_with_var_offset2(i32 %i) { |
| ; CHECK-LABEL: get_externref_from_table_with_var_offset2: |
| ; CHECK-NEXT: .functype get_externref_from_table_with_var_offset2 (i32) -> (externref) |
| ; CHECK-NEXT: local.get 0 |
| ; CHECK-NEXT: call get_offset |
| ; CHECK-NEXT: i32.add |
| ; CHECK-NEXT: table.get externref_table |
| ; CHECK-NEXT: end_function |
| %j = call i32 @get_offset() |
| %off = add nsw i32 %i, %j |
| %p = getelementptr [0 x %externref], [0 x %externref] addrspace (1)* @externref_table, i32 0, i32 %off |
| %ref = load %externref, %externref addrspace(1)* %p |
| ret %externref %ref |
| } |
| |
| ; CHECK: .globl externref_table |