basic.ll
7.79 KB
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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s
; Trivial optimization of generic addressing
; CHECK-LABEL: @load_global_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(1)*
; CHECK-NEXT: %tmp1 = load float, float addrspace(1)* %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_global_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(1)*
%tmp1 = load float, float addrspace(1)* %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_constant_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(4)*
; CHECK-NEXT: %tmp1 = load float, float addrspace(4)* %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_constant_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(4)*
%tmp1 = load float, float addrspace(4)* %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_group_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(3)*
; CHECK-NEXT: %tmp1 = load float, float addrspace(3)* %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_group_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(3)*
%tmp1 = load float, float addrspace(3)* %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_private_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(5)*
; CHECK-NEXT: %tmp1 = load float, float addrspace(5)* %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_private_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(5)*
%tmp1 = load float, float addrspace(5)* %tmp0
ret float %tmp1
}
; CHECK-LABEL: @store_global_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(1)*
; CHECK-NEXT: store float 0.000000e+00, float addrspace(1)* %tmp0
define amdgpu_kernel void @store_global_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(1)*
store float 0.0, float addrspace(1)* %tmp0
ret void
}
; CHECK-LABEL: @store_group_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(3)*
; CHECK-NEXT: store float 0.000000e+00, float addrspace(3)* %tmp0
define amdgpu_kernel void @store_group_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(3)*
store float 0.0, float addrspace(3)* %tmp0
ret void
}
; CHECK-LABEL: @store_private_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float* %generic_scalar to float addrspace(5)*
; CHECK-NEXT: store float 0.000000e+00, float addrspace(5)* %tmp0
define amdgpu_kernel void @store_private_from_flat(float* %generic_scalar) #0 {
%tmp0 = addrspacecast float* %generic_scalar to float addrspace(5)*
store float 0.0, float addrspace(5)* %tmp0
ret void
}
; optimized to global load/store.
; CHECK-LABEL: @load_store_global(
; CHECK-NEXT: %val = load i32, i32 addrspace(1)* %input, align 4
; CHECK-NEXT: store i32 %val, i32 addrspace(1)* %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_global(i32 addrspace(1)* nocapture %input, i32 addrspace(1)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(1)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(1)* %output to i32*
%val = load i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; Optimized to group load/store.
; CHECK-LABEL: @load_store_group(
; CHECK-NEXT: %val = load i32, i32 addrspace(3)* %input, align 4
; CHECK-NEXT: store i32 %val, i32 addrspace(3)* %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_group(i32 addrspace(3)* nocapture %input, i32 addrspace(3)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(3)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(3)* %output to i32*
%val = load i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; Optimized to private load/store.
; CHECK-LABEL: @load_store_private(
; CHECK-NEXT: %val = load i32, i32 addrspace(5)* %input, align 4
; CHECK-NEXT: store i32 %val, i32 addrspace(5)* %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_private(i32 addrspace(5)* nocapture %input, i32 addrspace(5)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(5)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(5)* %output to i32*
%val = load i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; No optimization. flat load/store.
; CHECK-LABEL: @load_store_flat(
; CHECK-NEXT: %val = load i32, i32* %input, align 4
; CHECK-NEXT: store i32 %val, i32* %output, align 4
; CHECK-NEXT: ret void
define amdgpu_kernel void @load_store_flat(i32* nocapture %input, i32* nocapture %output) #0 {
%val = load i32, i32* %input, align 4
store i32 %val, i32* %output, align 4
ret void
}
; CHECK-LABEL: @store_addrspacecast_ptr_value(
; CHECK: %cast = addrspacecast i32 addrspace(1)* %input to i32*
; CHECK-NEXT: store i32* %cast, i32* addrspace(1)* %output, align 4
define amdgpu_kernel void @store_addrspacecast_ptr_value(i32 addrspace(1)* nocapture %input, i32* addrspace(1)* nocapture %output) #0 {
%cast = addrspacecast i32 addrspace(1)* %input to i32*
store i32* %cast, i32* addrspace(1)* %output, align 4
ret void
}
; CHECK-LABEL: @atomicrmw_add_global_to_flat(
; CHECK-NEXT: %ret = atomicrmw add i32 addrspace(1)* %global.ptr, i32 %y seq_cst
define i32 @atomicrmw_add_global_to_flat(i32 addrspace(1)* %global.ptr, i32 %y) #0 {
%cast = addrspacecast i32 addrspace(1)* %global.ptr to i32*
%ret = atomicrmw add i32* %cast, i32 %y seq_cst
ret i32 %ret
}
; CHECK-LABEL: @atomicrmw_add_group_to_flat(
; CHECK-NEXT: %ret = atomicrmw add i32 addrspace(3)* %group.ptr, i32 %y seq_cst
define i32 @atomicrmw_add_group_to_flat(i32 addrspace(3)* %group.ptr, i32 %y) #0 {
%cast = addrspacecast i32 addrspace(3)* %group.ptr to i32*
%ret = atomicrmw add i32* %cast, i32 %y seq_cst
ret i32 %ret
}
; CHECK-LABEL: @cmpxchg_global_to_flat(
; CHECK: %ret = cmpxchg i32 addrspace(1)* %global.ptr, i32 %cmp, i32 %val seq_cst monotonic
define { i32, i1 } @cmpxchg_global_to_flat(i32 addrspace(1)* %global.ptr, i32 %cmp, i32 %val) #0 {
%cast = addrspacecast i32 addrspace(1)* %global.ptr to i32*
%ret = cmpxchg i32* %cast, i32 %cmp, i32 %val seq_cst monotonic
ret { i32, i1 } %ret
}
; CHECK-LABEL: @cmpxchg_group_to_flat(
; CHECK: %ret = cmpxchg i32 addrspace(3)* %group.ptr, i32 %cmp, i32 %val seq_cst monotonic
define { i32, i1 } @cmpxchg_group_to_flat(i32 addrspace(3)* %group.ptr, i32 %cmp, i32 %val) #0 {
%cast = addrspacecast i32 addrspace(3)* %group.ptr to i32*
%ret = cmpxchg i32* %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 i32 addrspace(3)* %cmp.ptr to i32*
; CHECK: %ret = cmpxchg i32* addrspace(3)* %cas.ptr, i32* %cast.cmp, i32* %val seq_cst monotonic
define { i32*, i1 } @cmpxchg_group_to_flat_wrong_operand(i32* addrspace(3)* %cas.ptr, i32 addrspace(3)* %cmp.ptr, i32* %val) #0 {
%cast.cmp = addrspacecast i32 addrspace(3)* %cmp.ptr to i32*
%ret = cmpxchg i32* addrspace(3)* %cas.ptr, i32* %cast.cmp, i32* %val seq_cst monotonic
ret { i32*, i1 } %ret
}
; Null pointer in local addr space
; CHECK-LABEL: @local_nullptr
; CHECK: icmp ne i8 addrspace(3)* %a, addrspacecast (i8 addrspace(5)* null to i8 addrspace(3)*)
; CHECK-NOT: i8 addrspace(3)* null
define void @local_nullptr(i32 addrspace(1)* nocapture %results, i8 addrspace(3)* %a) {
entry:
%tobool = icmp ne i8 addrspace(3)* %a, addrspacecast (i8 addrspace(5)* null to i8 addrspace(3)*)
%conv = zext i1 %tobool to i32
store i32 %conv, i32 addrspace(1)* %results, align 4
ret void
}
attributes #0 = { nounwind }