[PATCH] D43555: TableGen: Fix type deduction for !foreach

[Phabricator via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL325797: TableGen: Fix type deduction for !foreach (authored by nha, committed by ).

Repository:
  rL LLVM

https://reviews.llvm.org/D43555

Files:
  llvm/trunk/lib/TableGen/TGParser.cpp
  llvm/trunk/test/TableGen/foreach.td


Index: llvm/trunk/test/TableGen/foreach.td
===================================================================
--- llvm/trunk/test/TableGen/foreach.td
+++ llvm/trunk/test/TableGen/foreach.td
@@ -7,12 +7,18 @@
 // CHECK: "NAME"
 
 // CHECK: Defs
+
+// CHECK: def DX {
+// CHECK:   list<string> x = ["0", "1", "2"];
+// CHECK: }
+
 // CHECK: Jr
 // CHECK: Sr
 
 // Variables for foreach
 class decls {
   string name;
+  int num;
 }
 
 def Decls : decls;
@@ -37,3 +43,9 @@
 def Juniors : C<People.values>;
 def Smiths : D<["NAME", "Jane Smith"]>;
 def Unprocessed : D<People.values>;
+
+class X<list<int> a> {
+    list<string> x = !foreach(Decls.num, a, !cast<string>(Decls.num));
+}
+
+def DX : X<[0, 1, 2]>;
Index: llvm/trunk/lib/TableGen/TGParser.cpp
===================================================================
--- llvm/trunk/lib/TableGen/TGParser.cpp
+++ llvm/trunk/lib/TableGen/TGParser.cpp
@@ -1075,6 +1075,14 @@
         return nullptr;
       }
       Type = MHSt->getType();
+      if (isa<ListRecTy>(Type)) {
+        TypedInit *RHSt = dyn_cast<TypedInit>(RHS);
+        if (!RHSt) {
+          TokError("could not get type of !foreach list elements");
+          return nullptr;
+        }
+        Type = RHSt->getType()->getListTy();
+      }
       break;
     }
     case tgtok::XSubst: {


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