test nits

Author: Pierre-vh

llvm/test/Transforms/InstCombine/AMDGPU/ptr-replacer-select-addrspacecast-crash.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -mtriple=amdgcn-amd-amdhsa -passes=instcombine %s -S -o - | FileCheck %s
+; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=instcombine < %s | FileCheck %s
 
 ; Crashed in IC PtrReplacer because an invalid select was generated with addrspace(4) and addrspace(5)
 ; operands.
@@ -18,3 +18,18 @@ bb:
   call void @llvm.memcpy.p0.p5.i64(ptr null, ptr addrspace(5) %select, i64 0, i1 false)
   ret void
 }
+
+define amdgpu_kernel void @milk(ptr addrspace(4) byref([12 x i8]) align 16 %arg) {
+; CHECK-LABEL: define amdgpu_kernel void @milk(
+; CHECK-SAME: ptr addrspace(4) byref([12 x i8]) align 16 [[ARG:%.*]]) {
+; CHECK-NEXT:  [[BB:.*:]]
+; CHECK-NEXT:    ret void
+;
+bb:
+  %alloca = alloca i32, i32 0, align 8, addrspace(5)
+  %alloca1 = alloca [12 x i8], align 16, addrspace(5)
+  call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca1, ptr addrspace(4) %arg, i64 0, i1 false)
+  %select = select i1 false, ptr addrspace(5) %alloca, ptr addrspace(5) %alloca1
+  call void @llvm.memcpy.p0.p5.i64(ptr null, ptr addrspace(5) %select, i64 0, i1 false)
+  ret void
+}