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