[wasm] Int64Lowering of I64Shl on ia32.

test/cctest/wasm/test-run-wasm-64.cc

Index: test/cctest/wasm/test-run-wasm-64.cc
diff --git a/test/cctest/wasm/test-run-wasm-64.cc b/test/cctest/wasm/test-run-wasm-64.cc
index 9cc15a74f75dfec5b64fc3010aa9f13869886882..0b847db489f1000f010acf965e6eb564eb492afb 100644
--- a/test/cctest/wasm/test-run-wasm-64.cc
+++ b/test/cctest/wasm/test-run-wasm-64.cc
@@ -51,6 +51,29 @@ TEST(Run_WasmI64Xor) {
   }
 }
 // kExprI64Shl:
+#if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_X87
+TEST(Run_WasmI64Shl) {
+  {
+    WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+    BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
+    FOR_UINT64_INPUTS(i) {
+      for (int64_t j = 0; j < 64; j++) {
+        CHECK_EQ(*i << j, r.Call(*i, j));
+      }
+    }
+  }
+  {
+    WasmRunner<int64_t> r(MachineType::Int64());
+    BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64(20)));
+    FOR_UINT64_INPUTS(i) { CHECK_EQ(*i << 20, r.Call(*i)); }
+  }
+  {
+    WasmRunner<int64_t> r(MachineType::Int64());
+    BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64(40)));
+    FOR_UINT64_INPUTS(i) { CHECK_EQ(*i << 40, r.Call(*i)); }
+  }
+}
+#endif
 // kExprI64ShrU:
 // kExprI64ShrS:
 // kExprI64Eq: