Pre commit test to transform i128 to v2i64

Author: badumbatish

llvm/test/CodeGen/WebAssembly/simd-load-custom-128.ll

@@ -0,0 +1,17 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s
+target triple = "wasm32-unknown-unknown"
+
+define void @i128_to_v128(ptr %ptr) {
+; CHECK-LABEL: i128_to_v128:
+; CHECK:         .functype i128_to_v128 (i32) -> ()
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    i64.load $push0=, 0($0)
+; CHECK-NEXT:    i64.store 0($0), $pop0
+; CHECK-NEXT:    i64.load $push1=, 8($0)
+; CHECK-NEXT:    i64.store 8($0), $pop1
+; CHECK-NEXT:    return
+    %2 = load i128, ptr %ptr
+    store volatile i128 %2, ptr %ptr
+    ret void
+}