[wasm] Int64Lowering of I64Shl on ia32.

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

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/wasm/wasm-macro-gen.h"
 
@@ skipping 33 matching lines @@
 }
 // kExprI64Xor:
 TEST(Run_WasmI64Xor) {
   WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
   BUILD(r, WASM_I64_XOR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ((*i) ^ (*j), r.Call(*i, *j)); }
   }
 }
 // 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:
 TEST(Run_WasmI64Eq) {
   WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
   BUILD(r, WASM_I64_EQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i == *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
@@ skipping 120 matching lines @@
               WASM_I64(0xbcd1234000000013), WASM_I64(0xbcd1234000000014),
               WASM_I64(0xbcd1234000000015), WASM_I64(0xbcd1234000000016),
               WASM_I64(0xbcd1234000000017), WASM_I64(0xbcd1234000000018),
               WASM_I64(0xbcd1234000000019), WASM_I64(0xbcd123400000001a),
               WASM_I64(0xbcd123400000001b), WASM_I64(0xbcd123400000001c),
               WASM_I64(0xbcd123400000001d))));
 
     CHECK_EQ(i + 0xb, r.Call());
   }
 }