4 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/Verifier/bitcast-pointer-vector-neg.ll b/llvm/test/Verifier/bitcast-pointer-vector-neg.ll
new file mode 100644
index 00000000000..68b67725471
--- /dev/null
+++ b/llvm/test/Verifier/bitcast-pointer-vector-neg.ll
@@ -0,0 +1,10 @@
+; RUN: not llvm-as -disable-output %s 2>&1 | FileCheck %s
+
+target datalayout = "e-p:32:32:32-p1:16:16:16-p2:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n8:16:32"
+
+; CHECK: error: invalid cast opcode for cast from 'i64*' to '<2 x i32*>'
+
+define <2 x i32*> @illegal_bitcast_pointer_to_vector_of_pointers(i64* %a) {
+  %b = bitcast i64* %a to <2 x i32*>
+  ret <2 x i32*> %b
+}
diff --git a/llvm/test/Verifier/bitcast-vector-pointer-as-neg.ll b/llvm/test/Verifier/bitcast-vector-pointer-as-neg.ll
new file mode 100644
index 00000000000..dbd7356b707
--- /dev/null
+++ b/llvm/test/Verifier/bitcast-vector-pointer-as-neg.ll
@@ -0,0 +1,15 @@
+; RUN: not llvm-as -disable-output %s 2>&1 | FileCheck %s
+
+target datalayout = "e-p:32:32:32-p1:16:16:16-p2:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n8:16:32"
+
+; CHECK: error: invalid cast opcode for cast from '<4 x i32 addrspace(1)*>' to '<2 x i32 addrspace(2)*>'
+
+; The pointer in addrspace 1 of the size 16 while pointer in addrspace 2 of the size 32.
+; Converting 4 element array of pointers from addrspace 2 to 2 element array in addrspace 2
+; has the same total bit length but bitcast still does not allow conversion into
+; different addrspace.
+define <2 x i32 addrspace(2)*> @vector_illegal_bitcast_as_1_to_2(<4 x i32 addrspace(1)*> %p) {
+   %cast = bitcast <4 x i32 addrspace(1)*> %p to <2 x i32 addrspace(2)*>
+   ret <2 x i32 addrspace(2)*> %cast
+}
+
diff --git a/llvm/test/Verifier/bitcast-vector-pointer-neg.ll b/llvm/test/Verifier/bitcast-vector-pointer-neg.ll
new file mode 100644
index 00000000000..ce70a3f77e9
--- /dev/null
+++ b/llvm/test/Verifier/bitcast-vector-pointer-neg.ll
@@ -0,0 +1,10 @@
+; RUN: not llvm-as -disable-output %s 2>&1 | FileCheck %s
+
+target datalayout = "e-p:32:32:32-p1:16:16:16-p2:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n8:16:32"
+
+; CHECK: error: invalid cast opcode for cast from '<2 x i32*>' to 'i64*'
+
+define i64* @illegal_bitcast_vector_of_pointers_to_pointer(<2 x i32*> %a) {
+  %b = bitcast <2 x i32*> %a to i64*
+  ret i64* %b
+}
diff --git a/llvm/test/Verifier/bitcast-vector-pointer-pos.ll b/llvm/test/Verifier/bitcast-vector-pointer-pos.ll
new file mode 100644
index 00000000000..6a08f1135c8
--- /dev/null
+++ b/llvm/test/Verifier/bitcast-vector-pointer-pos.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as -disable-output %s
+
+target datalayout = "e-p:32:32:32-p1:16:16:16-p2:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n8:16:32"
+
+define <1 x i32*> @vector_legal_bitcast_pointer_to_vector_of_pointers(i64* %a) {
+  %b = bitcast i64* %a to <1 x i32*>
+  ret <1 x i32*> %b
+}
+
+define i64* @vector_legal_bitcast_vector_of_pointers_to_pointer(<1 x i32*> %a) {
+  %b = bitcast <1 x i32*> %a to i64*
+  ret i64* %b
+}
+