1 files changed, 106 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/addrspacecast-constantexpr.ll b/llvm/test/CodeGen/AMDGPU/addrspacecast-constantexpr.ll
new file mode 100644
index 00000000000..67a19399920
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/addrspacecast-constantexpr.ll
@@ -0,0 +1,106 @@
+; RUN: opt -mtriple=amdgcn-unknown-amdhsa -S -amdgpu-annotate-kernel-features < %s | FileCheck -check-prefix=HSA %s
+
+declare void @llvm.memcpy.p1i32.p4i32.i32(i32 addrspace(1)* nocapture, i32 addrspace(4)* nocapture, i32, i32, i1) #0
+
+@lds.i32 = unnamed_addr addrspace(3) global i32 undef, align 4
+@lds.arr = unnamed_addr addrspace(3) global [256 x i32] undef, align 4
+
+@global.i32 = unnamed_addr addrspace(1) global i32 undef, align 4
+@global.arr = unnamed_addr addrspace(1) global [256 x i32] undef, align 4
+
+; HSA: @store_cast_0_flat_to_group_addrspacecast() #1
+define void @store_cast_0_flat_to_group_addrspacecast() #1 {
+  store i32 7, i32 addrspace(3)* addrspacecast (i32 addrspace(4)* null to i32 addrspace(3)*)
+  ret void
+}
+
+; HSA: @store_cast_0_group_to_flat_addrspacecast() #2
+define void @store_cast_0_group_to_flat_addrspacecast() #1 {
+  store i32 7, i32 addrspace(4)* addrspacecast (i32 addrspace(3)* null to i32 addrspace(4)*)
+  ret void
+}
+
+; HSA: define void @store_constant_cast_group_gv_to_flat() #2
+define void @store_constant_cast_group_gv_to_flat() #1 {
+  store i32 7, i32 addrspace(4)* addrspacecast (i32 addrspace(3)* @lds.i32 to i32 addrspace(4)*)
+  ret void
+}
+
+; HSA: @store_constant_cast_group_gv_gep_to_flat() #2
+define void @store_constant_cast_group_gv_gep_to_flat() #1 {
+  store i32 7, i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8)
+  ret void
+}
+
+; HSA: @store_constant_cast_global_gv_to_flat() #1
+define void @store_constant_cast_global_gv_to_flat() #1 {
+  store i32 7, i32 addrspace(4)* addrspacecast (i32 addrspace(1)* @global.i32 to i32 addrspace(4)*)
+  ret void
+}
+
+; HSA: @store_constant_cast_global_gv_gep_to_flat() #1
+define void @store_constant_cast_global_gv_gep_to_flat() #1 {
+  store i32 7, i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(1)* @global.arr to [256 x i32] addrspace(4)*), i64 0, i64 8)
+  ret void
+}
+
+; HSA: @load_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #2
+define void @load_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #1 {
+  %val = load i32, i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8)
+  store i32 %val, i32 addrspace(1)* %out
+  ret void
+}
+
+; HSA: @atomicrmw_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #2
+define void @atomicrmw_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #1 {
+  %val = atomicrmw add i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8), i32 1 seq_cst
+  store i32 %val, i32 addrspace(1)* %out
+  ret void
+}
+
+; HSA: @cmpxchg_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #2
+define void @cmpxchg_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #1 {
+  %val = cmpxchg i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8), i32 0, i32 1 seq_cst seq_cst
+  %val0 = extractvalue { i32, i1 } %val, 0
+  store i32 %val0, i32 addrspace(1)* %out
+  ret void
+}
+
+; HSA: @memcpy_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #2
+define void @memcpy_constant_cast_group_gv_gep_to_flat(i32 addrspace(1)* %out) #1 {
+  call void @llvm.memcpy.p1i32.p4i32.i32(i32 addrspace(1)* %out, i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8), i32 32, i32 4, i1 false)
+  ret void
+}
+
+; Can't just search the pointer value
+; HSA: @store_value_constant_cast_lds_gv_gep_to_flat(i32 addrspace(4)* addrspace(1)* %out) #2
+define void @store_value_constant_cast_lds_gv_gep_to_flat(i32 addrspace(4)* addrspace(1)* %out) #1 {
+  store i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8), i32 addrspace(4)* addrspace(1)* %out
+  ret void
+}
+
+; Can't just search pointer types
+; HSA: @store_ptrtoint_value_constant_cast_lds_gv_gep_to_flat(i64 addrspace(1)* %out) #2
+define void @store_ptrtoint_value_constant_cast_lds_gv_gep_to_flat(i64 addrspace(1)* %out) #1 {
+  store i64 ptrtoint (i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8) to i64), i64 addrspace(1)* %out
+  ret void
+}
+
+; Cast group to flat, do GEP, cast back to group
+; HSA: @store_constant_cast_group_gv_gep_to_flat_to_group() #2
+define void @store_constant_cast_group_gv_gep_to_flat_to_group() #1 {
+  store i32 7, i32 addrspace(3)* addrspacecast (i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8) to i32 addrspace(3)*)
+  ret void
+}
+
+; HSA: @ret_constant_cast_group_gv_gep_to_flat_to_group() #2
+define i32 addrspace(3)* @ret_constant_cast_group_gv_gep_to_flat_to_group() #1 {
+  ret i32 addrspace(3)* addrspacecast (i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8) to i32 addrspace(3)*)
+}
+
+; HSA: attributes #0 = { argmemonly nounwind }
+; HSA: attributes #1 = { nounwind }
+; HSA: attributes #2 = { nounwind "amdgpu-queue-ptr" }
+
+attributes #0 = { argmemonly nounwind }
+attributes #1 = { nounwind }