diff --git a/llvm/test/CodeGen/X86/GlobalISel/legalize-select.mir b/llvm/test/CodeGen/X86/GlobalISel/legalize-select.mir
--- a/llvm/test/CodeGen/X86/GlobalISel/legalize-select.mir
+++ b/llvm/test/CodeGen/X86/GlobalISel/legalize-select.mir
@@ -4,6 +4,46 @@
 
 # test select
 
+...
+---
+name:            test_selectp8
+body:             |
+  bb.1:
+    ; X86-32-LABEL: name: test_selectp8
+    ; X86-32: [[DEF:%[0-9]+]]:_(p8) = IMPLICIT_DEF
+    ; X86-32-NEXT: [[COPY:%[0-9]+]]:_(p8) = COPY [[DEF]](p8)
+    ; X86-32-NEXT: RET 0, implicit [[COPY]](p8)
+    ; X86-64-LABEL: name: test_selectp8
+    ; X86-64: [[DEF:%[0-9]+]]:_(p8) = IMPLICIT_DEF
+    ; X86-64-NEXT: [[COPY:%[0-9]+]]:_(p8) = COPY [[DEF]](p8)
+    ; X86-64-NEXT: RET 0, implicit [[COPY]](p8)
+    %0:_(s1) = IMPLICIT_DEF
+    %1:_(p8) = IMPLICIT_DEF
+    %2:_(p8) = IMPLICIT_DEF
+    %3:_(p8) = G_SELECT %0, %1, %2
+    %4:_(p8) = COPY %1(p8)
+    RET 0, implicit %4
+
+...
+---
+name:            test_selectp1
+body:             |
+  bb.1:
+    ; X86-32-LABEL: name: test_selectp1
+    ; X86-32: [[DEF:%[0-9]+]]:_(p1) = IMPLICIT_DEF
+    ; X86-32-NEXT: [[COPY:%[0-9]+]]:_(p1) = COPY [[DEF]](p1)
+    ; X86-32-NEXT: RET 0, implicit [[COPY]](p1)
+    ; X86-64-LABEL: name: test_selectp1
+    ; X86-64: [[DEF:%[0-9]+]]:_(p1) = IMPLICIT_DEF
+    ; X86-64-NEXT: [[COPY:%[0-9]+]]:_(p1) = COPY [[DEF]](p1)
+    ; X86-64-NEXT: RET 0, implicit [[COPY]](p1)
+    %0:_(s1) = IMPLICIT_DEF
+    %1:_(p1) = IMPLICIT_DEF
+    %2:_(p1) = IMPLICIT_DEF
+    %3:_(p1) = G_SELECT %0, %1, %2
+    %4:_(p1) = COPY %1(p1)
+    RET 0, implicit %4
+
 ...
 ---
 name:            test_selectp0