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|
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=infer-address-spaces %s | FileCheck %s
; Trivial optimization of generic addressing
; CHECK-LABEL: @load_global_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
; CHECK-NEXT: %tmp1 = load float, ptr addrspace(1) %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_global_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
%tmp1 = load float, ptr addrspace(1) %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_constant_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(4)
; CHECK-NEXT: %tmp1 = load float, ptr addrspace(4) %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_constant_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(4)
%tmp1 = load float, ptr addrspace(4) %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_group_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
; CHECK-NEXT: %tmp1 = load float, ptr addrspace(3) %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_group_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
%tmp1 = load float, ptr addrspace(3) %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_private_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
; CHECK-NEXT: %tmp1 = load float, ptr addrspace(5) %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_private_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
%tmp1 = load float, ptr addrspace(5) %tmp0
ret float %tmp1
}
; CHECK-LABEL: @store_global_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
; CHECK-NEXT: store float 0.000000e+00, ptr addrspace(1) %tmp0
define amdgpu_kernel void @store_global_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
store float 0.0, ptr addrspace(1) %tmp0
ret void
}
; CHECK-LABEL: @store_group_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
; CHECK-NEXT: store float 0.000000e+00, ptr addrspace(3) %tmp0
define amdgpu_kernel void @store_group_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
store float 0.0, ptr addrspace(3) %tmp0
ret void
}
; CHECK-LABEL: @store_private_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
; CHECK-NEXT: store float 0.000000e+00, ptr addrspace(5) %tmp0
define amdgpu_kernel void @store_private_from_flat(ptr %generic_scalar) #0 {
%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
store float 0.0, ptr addrspace(5) %tmp0
ret void
}
; optimized to global load/store.
; CHECK-LABEL: @load_store_global(
; CHECK-NEXT: %val = load i32, ptr addrspace(1) %input, align 4
; CHECK-NEXT: store i32 %val, ptr addrspace(1) %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
%tmp0 = addrspacecast ptr addrspace(1) %input to ptr
%tmp1 = addrspacecast ptr addrspace(1) %output to ptr
%val = load i32, ptr %tmp0, align 4
store i32 %val, ptr %tmp1, align 4
ret void
}
; Optimized to group load/store.
; CHECK-LABEL: @load_store_group(
; CHECK-NEXT: %val = load i32, ptr addrspace(3) %input, align 4
; CHECK-NEXT: store i32 %val, ptr addrspace(3) %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
%tmp0 = addrspacecast ptr addrspace(3) %input to ptr
%tmp1 = addrspacecast ptr addrspace(3) %output to ptr
%val = load i32, ptr %tmp0, align 4
store i32 %val, ptr %tmp1, align 4
ret void
}
; Optimized to private load/store.
; CHECK-LABEL: @load_store_private(
; CHECK-NEXT: %val = load i32, ptr addrspace(5) %input, align 4
; CHECK-NEXT: store i32 %val, ptr addrspace(5) %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_private(ptr addrspace(5) nocapture %input, ptr addrspace(5) nocapture %output) #0 {
%tmp0 = addrspacecast ptr addrspace(5) %input to ptr
%tmp1 = addrspacecast ptr addrspace(5) %output to ptr
%val = load i32, ptr %tmp0, align 4
store i32 %val, ptr %tmp1, align 4
ret void
}
; No optimization. flat load/store.
; CHECK-LABEL: @load_store_flat(
; CHECK-NEXT: %val = load i32, ptr %input, align 4
; CHECK-NEXT: store i32 %val, ptr %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_flat(ptr nocapture %input, ptr nocapture %output) #0 {
%val = load i32, ptr %input, align 4
store i32 %val, ptr %output, align 4
ret void
}
; CHECK-LABEL: @store_addrspacecast_ptr_value(
; CHECK: %cast = addrspacecast ptr addrspace(1) %input to ptr
; CHECK-NEXT: store ptr %cast, ptr addrspace(1) %output, align 4
define amdgpu_kernel void @store_addrspacecast_ptr_value(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
%cast = addrspacecast ptr addrspace(1) %input to ptr
store ptr %cast, ptr addrspace(1) %output, align 4
ret void
}
; CHECK-LABEL: @atomicrmw_add_global_to_flat(
; CHECK-NEXT: %ret = atomicrmw add ptr addrspace(1) %global.ptr, i32 %y seq_cst
define i32 @atomicrmw_add_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
%cast = addrspacecast ptr addrspace(1) %global.ptr to ptr
%ret = atomicrmw add ptr %cast, i32 %y seq_cst
ret i32 %ret
}
; CHECK-LABEL: @atomicrmw_add_group_to_flat(
; CHECK-NEXT: %ret = atomicrmw add ptr addrspace(3) %group.ptr, i32 %y seq_cst
define i32 @atomicrmw_add_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
%cast = addrspacecast ptr addrspace(3) %group.ptr to ptr
%ret = atomicrmw add ptr %cast, i32 %y seq_cst
ret i32 %ret
}
; CHECK-LABEL: @cmpxchg_global_to_flat(
; CHECK: %ret = cmpxchg ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val seq_cst monotonic
define { i32, i1 } @cmpxchg_global_to_flat(ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val) #0 {
%cast = addrspacecast ptr addrspace(1) %global.ptr to ptr
%ret = cmpxchg ptr %cast, i32 %cmp, i32 %val seq_cst monotonic
ret { i32, i1 } %ret
}
; CHECK-LABEL: @cmpxchg_group_to_flat(
; CHECK: %ret = cmpxchg ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val seq_cst monotonic
define { i32, i1 } @cmpxchg_group_to_flat(ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val) #0 {
%cast = addrspacecast ptr addrspace(3) %group.ptr to ptr
%ret = cmpxchg ptr %cast, i32 %cmp, i32 %val seq_cst monotonic
ret { i32, i1 } %ret
}
; Not pointer operand
; CHECK-LABEL: @cmpxchg_group_to_flat_wrong_operand(
; CHECK: %cast.cmp = addrspacecast ptr addrspace(3) %cmp.ptr to ptr
; CHECK: %ret = cmpxchg ptr addrspace(3) %cas.ptr, ptr %cast.cmp, ptr %val seq_cst monotonic
define { ptr, i1 } @cmpxchg_group_to_flat_wrong_operand(ptr addrspace(3) %cas.ptr, ptr addrspace(3) %cmp.ptr, ptr %val) #0 {
%cast.cmp = addrspacecast ptr addrspace(3) %cmp.ptr to ptr
%ret = cmpxchg ptr addrspace(3) %cas.ptr, ptr %cast.cmp, ptr %val seq_cst monotonic
ret { ptr, i1 } %ret
}
; Null pointer in local addr space
; CHECK-LABEL: @local_nullptr
; CHECK: icmp ne ptr addrspace(3) %a, addrspacecast (ptr addrspace(5) null to ptr addrspace(3))
; CHECK-NOT: ptr addrspace(3) null
define void @local_nullptr(ptr addrspace(1) nocapture %results, ptr addrspace(3) %a) {
entry:
%tobool = icmp ne ptr addrspace(3) %a, addrspacecast (ptr addrspace(5) null to ptr addrspace(3))
%conv = zext i1 %tobool to i32
store i32 %conv, ptr addrspace(1) %results, align 4
ret void
}
attributes #0 = { nounwind }
|
