[Mlir-commits] [mlir] 2709fd1 - [MLIR][LLVM] Add MemmoveOp to LLVM Dialect

[William S. Moses]

Author: William S. Moses
Date: 2021-12-24T19:48:04-05:00
New Revision: 2709fd1520bca98667db9c10b3156cac892949bc

URL: https://github.com/llvm/llvm-project/commit/2709fd1520bca98667db9c10b3156cac892949bc
DIFF: https://github.com/llvm/llvm-project/commit/2709fd1520bca98667db9c10b3156cac892949bc.diff

LOG: [MLIR][LLVM] Add MemmoveOp to LLVM Dialect

LLVM Dialect in MLIR doesn't have a memmove op. This adds one.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D116274

Added: 
    

Modified: 
    mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
    mlir/test/Target/LLVMIR/llvmir-intrinsics.mlir

Removed: 
    


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diff  --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
index eaa1c0b42bacf..f671c3ca1dae8 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
@@ -1447,6 +1447,10 @@ def LLVM_MemcpyInlineOp : LLVM_ZeroResultIntrOp<"memcpy.inline", [0, 1, 2]> {
   let arguments = (ins LLVM_Type:$dst, LLVM_Type:$src, LLVM_Type:$len,
                    LLVM_Type:$isVolatile);
 }
+def LLVM_MemmoveOp : LLVM_ZeroResultIntrOp<"memmove", [0, 1, 2]> {
+  let arguments = (ins LLVM_Type:$dst, LLVM_Type:$src, LLVM_Type:$len,
+                   LLVM_Type:$isVolatile);
+}
 
 def LLVM_MemsetOp : LLVM_ZeroResultIntrOp<"memset", [0, 2]> {
   let arguments = (ins LLVM_Type:$dst, LLVM_Type:$val, LLVM_Type:$len,

diff  --git a/mlir/test/Target/LLVMIR/llvmir-intrinsics.mlir b/mlir/test/Target/LLVMIR/llvmir-intrinsics.mlir
index ebb59aee530ed..e1eff69a4251a 100644
--- a/mlir/test/Target/LLVMIR/llvmir-intrinsics.mlir
+++ b/mlir/test/Target/LLVMIR/llvmir-intrinsics.mlir
@@ -350,6 +350,14 @@ llvm.func @memcpy_test(%arg0: i32, %arg2: !llvm.ptr<i8>, %arg3: !llvm.ptr<i8>) {
   llvm.return
 }
 
+// CHECK-LABEL: @memmove_test
+llvm.func @memmove_test(%arg0: i32, %arg2: !llvm.ptr<i8>, %arg3: !llvm.ptr<i8>) {
+  %i1 = llvm.mlir.constant(false) : i1
+  // CHECK: call void @llvm.memmove.p0i8.p0i8.i32(i8* %{{.*}}, i8* %{{.*}}, i32 %{{.*}}, i1 {{.*}})
+  "llvm.intr.memmove"(%arg2, %arg3, %arg0, %i1) : (!llvm.ptr<i8>, !llvm.ptr<i8>, i32, i1) -> ()
+  llvm.return
+}
+
 // CHECK-LABEL: @memset_test
 llvm.func @memset_test(%arg0: i32, %arg2: !llvm.ptr<i8>, %arg3: i8) {
   %i1 = llvm.mlir.constant(false) : i1