4fb96f203e
This includes support for module translation, module import and add tests for both. Fix https://github.com/llvm/llvm-project/issues/115390 ClangIR cannot currently lower global aliases to LLVM because of missing support for this.
89 lines
3.1 KiB
LLVM
89 lines
3.1 KiB
LLVM
; RUN: mlir-translate --import-llvm %s -split-input-file | FileCheck %s
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@foo_alias = alias ptr, ptr @callee
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; CHECK: llvm.mlir.alias external @foo_alias : !llvm.ptr {
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @callee : !llvm.ptr
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; CHECK: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK: }
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define internal ptr @callee() {
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entry:
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ret ptr null
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}
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; -----
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@zed = global i32 42
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@foo = alias i32, ptr @zed
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@foo2 = alias i16, ptr @zed
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; CHECK: llvm.mlir.alias external @foo : i32 {
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @zed : !llvm.ptr
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; CHECK: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK: }
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; CHECK: llvm.mlir.alias external @foo2 : i16 {
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @zed : !llvm.ptr
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; CHECK: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK: }
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; -----
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@v1 = global i32 0
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@a3 = alias i32, addrspacecast (ptr @v1 to ptr addrspace(2))
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; CHECK: llvm.mlir.alias external @a3 : i32 {
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @v1 : !llvm.ptr
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; CHECK: %[[CASTED_ADDR:.*]] = llvm.addrspacecast %[[ADDR]] : !llvm.ptr to !llvm.ptr<2>
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; CHECK: llvm.return %[[CASTED_ADDR]] : !llvm.ptr<2>
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; CHECK: }
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; -----
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@some_name = constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr null, ptr null] }
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@vtable = alias { [3 x ptr] }, ptr @some_name
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; CHECK: llvm.mlir.alias external @vtable : !llvm.struct<(array<3 x ptr>)> {
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @some_name : !llvm.ptr
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; CHECK: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK: }
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; -----
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@glob.private = private constant [32 x i32] zeroinitializer
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@glob = linkonce_odr hidden alias [32 x i32], inttoptr (i64 add (i64 ptrtoint (ptr @glob.private to i64), i64 1234) to ptr)
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; CHECK: llvm.mlir.alias linkonce_odr hidden @glob {dso_local} : !llvm.array<32 x i32> {
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; CHECK: %[[CST:.*]] = llvm.mlir.constant(1234 : i64) : i64
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @glob.private : !llvm.ptr
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; CHECK: %[[PTRTOINT:.*]] = llvm.ptrtoint %[[ADDR]] : !llvm.ptr to i64
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; CHECK: %[[INTTOPTR:.*]] = llvm.add %[[PTRTOINT]], %[[CST]] : i64
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; CHECK: %[[RET:.*]] = llvm.inttoptr %[[INTTOPTR]] : i64 to !llvm.ptr
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; CHECK: llvm.return %[[RET]] : !llvm.ptr
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; -----
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@g1 = private global i32 0
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@g2 = internal constant ptr @a1
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@g3 = internal constant ptr @a2
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@a1 = private alias i32, ptr @g1
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@a2 = private alias ptr, ptr @a1
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; CHECK: llvm.mlir.alias private @a1 {dso_local} : i32 {
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; CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @g1 : !llvm.ptr
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; CHECK: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK: }
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; CHECK: llvm.mlir.alias private @a2 {dso_local} : !llvm.ptr {
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; CHECK-NEXT: %[[ADDR:.*]] = llvm.mlir.addressof @a1 : !llvm.ptr
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; CHECK-NEXT: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK-NEXT: }
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; CHECK: llvm.mlir.global internal constant @g2() {addr_space = 0 : i32, dso_local} : !llvm.ptr {
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; CHECK-NEXT: %[[ADDR:.*]] = llvm.mlir.addressof @a1 : !llvm.ptr
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; CHECK-NEXT: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK-NEXT: }
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; CHECK: llvm.mlir.global internal constant @g3() {addr_space = 0 : i32, dso_local} : !llvm.ptr {
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; CHECK-NEXT: %[[ADDR:.*]] = llvm.mlir.addressof @a2 : !llvm.ptr
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; CHECK-NEXT: llvm.return %[[ADDR]] : !llvm.ptr
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; CHECK-NEXT: }
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