[PATCH] D33901: [Go] Subtypes function
Andrew Wilkins via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 8 00:33:06 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL304968: [Go] Subtypes function (authored by axw).
Changed prior to commit:
https://reviews.llvm.org/D33901?vs=101716&id=101863#toc
Repository:
rL LLVM
https://reviews.llvm.org/D33901
Files:
llvm/trunk/bindings/go/llvm/ir.go
llvm/trunk/bindings/go/llvm/ir_test.go
Index: llvm/trunk/bindings/go/llvm/ir.go
===================================================================
--- llvm/trunk/bindings/go/llvm/ir.go
+++ llvm/trunk/bindings/go/llvm/ir.go
@@ -611,6 +611,12 @@
}
// Operations on array, pointer, and vector types (sequence types)
+func (t Type) Subtypes() (ret []Type) {
+ ret = make([]Type, C.LLVMGetNumContainedTypes(t.C))
+ C.LLVMGetSubtypes(t.C, llvmTypeRefPtr(&ret[0]))
+ return
+}
+
func ArrayType(elementType Type, elementCount int) (t Type) {
t.C = C.LLVMArrayType(elementType.C, C.unsigned(elementCount))
return
Index: llvm/trunk/bindings/go/llvm/ir_test.go
===================================================================
--- llvm/trunk/bindings/go/llvm/ir_test.go
+++ llvm/trunk/bindings/go/llvm/ir_test.go
@@ -134,3 +134,29 @@
t.Errorf("Got metadata %v as scope, though wanted %v", loc.Scope.C, scope.C)
}
}
+
+func TestSubtypes(t *testing.T) {
+ cont := NewContext()
+ defer cont.Dispose()
+
+ int_pointer := PointerType(cont.Int32Type(), 0)
+ int_inner := int_pointer.Subtypes()
+ if len(int_inner) != 1 {
+ t.Errorf("Got size %d, though wanted 1")
+ }
+ if int_inner[0] != cont.Int32Type() {
+ t.Errorf("Expected int32 type")
+ }
+
+ st_pointer := cont.StructType([]Type{cont.Int32Type(), cont.Int8Type()}, false)
+ st_inner := st_pointer.Subtypes()
+ if len(st_inner) != 2 {
+ t.Errorf("Got size %d, though wanted 2")
+ }
+ if st_inner[0] != cont.Int32Type() {
+ t.Errorf("Expected first struct field to be int32")
+ }
+ if st_inner[1] != cont.Int8Type() {
+ t.Errorf("Expected second struct field to be int8")
+ }
+}
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