C++: Fix a couple IR-related tests to handle new directory tree

Also moved those tests under the IR test directory, so I'm less likely to forget them next time.

Author: dave-bartolomeo

…ests/aliased_ssa/constants/constants.cpp …library-tests/ir/constants/constants.cppcpp/ql/test/library-tests/aliased_ssa/constants/constants.cpp renamed to cpp/ql/test/library-tests/ir/constants/constants.cpp cpp/ql/test/library-tests/aliased_ssa/constants/constants.cpp renamed to cpp/ql/test/library-tests/ir/constants/constants.cpp

@@ -1,5 +1,5 @@
 import cpp
-import semmle.code.cpp.ssa.internal.IntegerConstant as Ints
+import semmle.code.cpp.ir.internal.IntegerConstant as Ints
 
 bindingset[n]
 string resultString(int n) {

…aliased_ssa/constants/constants.expected …ry-tests/ir/constants/constants.expectedcpp/ql/test/library-tests/aliased_ssa/constants/constants.expected renamed to cpp/ql/test/library-tests/ir/constants/constants.expected cpp/ql/test/library-tests/aliased_ssa/constants/constants.expected renamed to cpp/ql/test/library-tests/ir/constants/constants.expected

@@ -1,6 +1,6 @@
 import default
-import semmle.code.cpp.ssa.internal.ssa.AliasAnalysis
-import semmle.code.cpp.ir.IR
+import semmle.code.cpp.ir.implementation.unaliased_ssa.internal.AliasAnalysis
+import semmle.code.cpp.ir.implementation.raw.IR
 
 predicate shouldEscape(IRAutomaticUserVariable var) {
   exists(string name |

…tests/aliased_ssa/constants/constants.ql …/library-tests/ir/constants/constants.qlcpp/ql/test/library-tests/aliased_ssa/constants/constants.ql renamed to cpp/ql/test/library-tests/ir/constants/constants.ql cpp/ql/test/library-tests/aliased_ssa/constants/constants.ql renamed to cpp/ql/test/library-tests/ir/constants/constants.ql

@@ -1,6 +1,6 @@
 import default
-import semmle.code.cpp.ssa.internal.ssa.AliasAnalysis
-import semmle.code.cpp.ir.IR
+import semmle.code.cpp.ir.implementation.unaliased_ssa.internal.AliasAnalysis
+import semmle.code.cpp.ir.implementation.raw.IR
 
 from Instruction instr, string pointsTo
 where

…rary-tests/aliased_ssa/escape/escape.cpp …/test/library-tests/ir/escape/escape.cppcpp/ql/test/library-tests/aliased_ssa/escape/escape.cpp renamed to cpp/ql/test/library-tests/ir/escape/escape.cpp cpp/ql/test/library-tests/aliased_ssa/escape/escape.cpp renamed to cpp/ql/test/library-tests/ir/escape/escape.cpp

@@ -1,6 +1,6 @@
 import default
-import semmle.code.cpp.ssa.internal.aliased_ssa.AliasAnalysis
-import semmle.code.cpp.ssa.SSAIR
+import semmle.code.cpp.ir.implementation.aliased_ssa.internal.AliasAnalysis
+import semmle.code.cpp.ir.implementation.unaliased_ssa.IR
 
 predicate shouldEscape(IRAutomaticUserVariable var) {
   exists(string name |