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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -o - %s | FileCheck %s
; RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -o - %s | FileCheck %s
; Test that a null check is not emitted for lowered addrspacecast
define void @flat_user(ptr %ptr) {
store i8 0, ptr %ptr
ret void
}
; CHECK-LABEL: {{^}}cast_alloca:
; CHECK: s_mov_b64 s[{{[0-9]+}}:[[HIREG:[0-9]+]]], src_private_base
; CHECK: v_mov_b32_e32 v1, s[[HIREG]]
; CHECK-NOT: v0
; CHECK-NOT: v1
define void @cast_alloca() {
%alloca = alloca i8, addrspace(5)
%cast = addrspacecast ptr addrspace(5) %alloca to ptr
call void @flat_user(ptr %cast)
ret void
}
@lds = internal unnamed_addr addrspace(3) global i8 undef, align 4
; CHECK-LABEL: {{^}}cast_lds_gv:
; CHECK: s_mov_b64 s[{{[0-9]+}}:[[HIREG:[0-9]+]]], src_shared_base
; CHECK: v_mov_b32_e32 v0, 0
; CHECK: v_mov_b32_e32 v1, s[[HIREG]]
; CHECK-NOT: v0
; CHECK-NOT: v1
define amdgpu_kernel void @cast_lds_gv() {
%cast = addrspacecast ptr addrspace(3) @lds to ptr
call void @flat_user(ptr %cast)
ret void
}
; CHECK-LABEL: {{^}}cast_constant_lds_neg1_gv:
; CHECK: v_mov_b32_e32 v0, 0
; CHECK: v_mov_b32_e32 v1, 0
define void @cast_constant_lds_neg1_gv() {
call void @flat_user(ptr addrspacecast (ptr addrspace(3) inttoptr (i32 -1 to ptr addrspace(3)) to ptr))
ret void
}
; CHECK-LABEL: {{^}}cast_constant_private_neg1_gv:
; CHECK: v_mov_b32_e32 v0, 0
; CHECK: v_mov_b32_e32 v1, 0
define void @cast_constant_private_neg1_gv() {
call void @flat_user(ptr addrspacecast (ptr addrspace(5) inttoptr (i32 -1 to ptr addrspace(5)) to ptr))
ret void
}
; CHECK-LABEL: {{^}}cast_constant_lds_other_gv:
; CHECK: s_mov_b64 s[{{[0-9]+}}:[[HIREG:[0-9]+]]], src_shared_base
; CHECK: v_mov_b32_e32 v0, 0x7b
; CHECK: v_mov_b32_e32 v1, s[[HIREG]]
define void @cast_constant_lds_other_gv() {
call void @flat_user(ptr addrspacecast (ptr addrspace(3) inttoptr (i32 123 to ptr addrspace(3)) to ptr))
ret void
}
; CHECK-LABEL: {{^}}cast_constant_private_other_gv:
; CHECK: s_mov_b64 s[{{[0-9]+}}:[[HIREG:[0-9]+]]], src_private_base
; CHECK: v_mov_b32_e32 v0, 0x7b
; CHECK: v_mov_b32_e32 v1, s[[HIREG]]
define void @cast_constant_private_other_gv() {
call void @flat_user(ptr addrspacecast (ptr addrspace(5) inttoptr (i32 123 to ptr addrspace(5)) to ptr))
ret void
}
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