[WebAssembly] Change int_wasm_memory_size from IntrNoMem to IntrReadMem.

llvm-svn: 253147

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/include/llvm/IR/IntrinsicsWebAssembly.td b/llvm/include/llvm/IR/IntrinsicsWebAssembly.td
index 2a9e406aa8b..3953aef43da 100644
--- a/llvm/include/llvm/IR/IntrinsicsWebAssembly.td
+++ b/llvm/include/llvm/IR/IntrinsicsWebAssembly.td
@@ -14,7 +14,9 @@
 
 let TargetPrefix = "wasm" in {  // All intrinsics start with "llvm.wasm.".
 
-def int_wasm_memory_size : Intrinsic<[llvm_anyint_ty], [], [IntrNoMem]>;
+// Note that memory_size is not IntrNoMem because it must be sequenced with
+// respect to grow_memory calls.
+def int_wasm_memory_size : Intrinsic<[llvm_anyint_ty], [], [IntrReadMem]>;
 def int_wasm_grow_memory : Intrinsic<[], [llvm_anyint_ty], []>;
 
 }