1 files changed, 49 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/bulk-memory.ll b/llvm/test/CodeGen/WebAssembly/bulk-memory.ll
index aa0454b266a..9c3a61dfc44 100644
--- a/llvm/test/CodeGen/WebAssembly/bulk-memory.ll
+++ b/llvm/test/CodeGen/WebAssembly/bulk-memory.ll
@@ -1,7 +1,54 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+bulk-memory
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+bulk-memory | FileCheck %s --check-prefixes CHECK,BULK-MEM
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=-bulk-memory | FileCheck %s --check-prefixes CHECK,NO-BULK-MEM
 
 ; Test that basic bulk memory codegen works correctly
-; TODO: implement basic bulk memory codegen
 
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
 target triple = "wasm32-unknown-unknown"
+
+; CHECK-LABEL: memcpy_i8:
+; NO-BULK-MEM-NOT: memory.copy
+; BULK-MEM-NEXT: .functype memcpy_i8 (i32, i32, i32) -> ()
+; BULK-MEM-NEXT: memory.copy $0, $1, $2
+; BULK-MEM-NEXT: return
+declare void @llvm.memcpy.p0i8.p0i8.i32(
+  i8* %dest, i8* %src, i32 %len, i1 %volatile
+)
+define void @memcpy_i8(i8* %dest, i8* %src, i32 %len) {
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 %len, i1 0)
+  ret void
+}
+
+; CHECK-LABEL: memcpy_i32:
+; NO-BULK-MEM-NOT: memory.copy
+; BULK-MEM-NEXT: .functype memcpy_i32 (i32, i32, i32) -> ()
+; BULK-MEM-NEXT: memory.copy $0, $1, $2
+; BULK-MEM-NEXT: return
+declare void @llvm.memcpy.p0i32.p0i32.i32(
+  i32* %dest, i32* %src, i32 %len, i1 %volatile
+)
+define void @memcpy_i32(i32* %dest, i32* %src, i32 %len) {
+  call void @llvm.memcpy.p0i32.p0i32.i32(i32* %dest, i32* %src, i32 %len, i1 0)
+  ret void
+}
+
+; CHECK-LABEL: memcpy_1:
+; CHECK-NEXT: .functype memcpy_1 (i32, i32) -> ()
+; CHECK-NEXT: i32.load8_u $push[[L0:[0-9]+]]=, 0($1)
+; CHECK-NEXT: i32.store8 0($0), $pop[[L0]]
+; CHECK-NEXT: return
+define void @memcpy_1(i8* %dest, i8* %src) {
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1, i1 0)
+  ret void
+}
+
+; CHECK-LABEL: memcpy_1024:
+; NO-BULK-MEM-NOT: memory.copy
+; BULK-MEM-NEXT: .functype memcpy_1024 (i32, i32) -> ()
+; BULK-MEM-NEXT: i32.const $push[[L0:[0-9]+]]=, 1024
+; BULK-MEM-NEXT: memory.copy $0, $1, $pop[[L0]]
+; BULK-MEM-NEXT: return
+define void @memcpy_1024(i8* %dest, i8* %src) {
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1024, i1 0)
+  ret void
+}