[WebAssembly] Call memcpy for large byval copies.

This fixes very slow compilation on
test/CodeGen/Generic/2010-11-04-BigByval.ll . Note that MaxStoresPerMemcpy
and friends are not yet carefully tuned so the cutoff point is currently
somewhat arbitrary. However, it's important that there be a cutoff point
so that we don't emit unbounded quantities of loads and stores.

llvm-svn: 261050

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 796b42c77ce..7b3649b5a09 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -321,7 +321,7 @@ SDValue WebAssemblyTargetLowering::LowerCall(
       SDValue FINode = DAG.getFrameIndex(FI, getPointerTy(Layout));
       Chain = DAG.getMemcpy(
           Chain, DL, FINode, OutVal, SizeNode, Out.Flags.getByValAlign(),
-          /*isVolatile*/ false, /*AlwaysInline=*/true,
+          /*isVolatile*/ false, /*AlwaysInline=*/false,
           /*isTailCall*/ false, MachinePointerInfo(), MachinePointerInfo());
       OutVal = FINode;
     }