Files
llvm/test/Transforms/InferAddressSpaces/AMDGPU/basic.ll
T
Matt Arsenault 264e91f294 AMDGPU: Implement hook for InferAddressSpaces
For now just port some of the existing NVPTX tests
and from an old HSAIL optimization pass which
approximately did the same thing.

Don't enable the pass yet until more testing is done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293580 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-31 01:20:54 +00:00

132 lines
5.7 KiB
LLVM

; 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 addrspace(4)* %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 addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %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 addrspace(4)* %generic_scalar to float addrspace(2)*
; CHECK-NEXT: %tmp1 = load float, float addrspace(2)* %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_constant_from_flat(float addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %generic_scalar to float addrspace(2)*
%tmp1 = load float, float addrspace(2)* %tmp0
ret float %tmp1
}
; CHECK-LABEL: @load_group_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float addrspace(4)* %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 addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %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 addrspace(4)* %generic_scalar to float*
; CHECK-NEXT: %tmp1 = load float, float* %tmp0
; CHECK-NEXT: ret float %tmp1
define float @load_private_from_flat(float addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %generic_scalar to float*
%tmp1 = load float, float* %tmp0
ret float %tmp1
}
; CHECK-LABEL: @store_global_from_flat(
; CHECK-NEXT: %tmp0 = addrspacecast float addrspace(4)* %generic_scalar to float addrspace(1)*
; CHECK-NEXT: store float 0.000000e+00, float addrspace(1)* %tmp0
define void @store_global_from_flat(float addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %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 addrspace(4)* %generic_scalar to float addrspace(3)*
; CHECK-NEXT: store float 0.000000e+00, float addrspace(3)* %tmp0
define void @store_group_from_flat(float addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %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 addrspace(4)* %generic_scalar to float*
; CHECK-NEXT: store float 0.000000e+00, float* %tmp0
define void @store_private_from_flat(float addrspace(4)* %generic_scalar) #0 {
%tmp0 = addrspacecast float addrspace(4)* %generic_scalar to float*
store float 0.0, float* %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 void @load_store_global(i32 addrspace(1)* nocapture %input, i32 addrspace(1)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(1)* %input to i32 addrspace(4)*
%tmp1 = addrspacecast i32 addrspace(1)* %output to i32 addrspace(4)*
%val = load i32, i32 addrspace(4)* %tmp0, align 4
store i32 %val, i32 addrspace(4)* %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 void @load_store_group(i32 addrspace(3)* nocapture %input, i32 addrspace(3)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(3)* %input to i32 addrspace(4)*
%tmp1 = addrspacecast i32 addrspace(3)* %output to i32 addrspace(4)*
%val = load i32, i32 addrspace(4)* %tmp0, align 4
store i32 %val, i32 addrspace(4)* %tmp1, align 4
ret void
}
; Optimized to private load/store.
; CHECK-LABEL: @load_store_private(
; CHECK-NEXT: %val = load i32, i32* %input, align 4
; CHECK-NEXT: store i32 %val, i32* %output, align 4
; CHECK-NEXT: ret void
define void @load_store_private(i32* nocapture %input, i32* nocapture %output) #0 {
%tmp0 = addrspacecast i32* %input to i32 addrspace(4)*
%tmp1 = addrspacecast i32* %output to i32 addrspace(4)*
%val = load i32, i32 addrspace(4)* %tmp0, align 4
store i32 %val, i32 addrspace(4)* %tmp1, align 4
ret void
}
; No optimization. flat load/store.
; CHECK-LABEL: @load_store_flat(
; CHECK-NEXT: %val = load i32, i32 addrspace(4)* %input, align 4
; CHECK-NEXT: store i32 %val, i32 addrspace(4)* %output, align 4
; CHECK-NEXT: ret void
define void @load_store_flat(i32 addrspace(4)* nocapture %input, i32 addrspace(4)* nocapture %output) #0 {
%val = load i32, i32 addrspace(4)* %input, align 4
store i32 %val, i32 addrspace(4)* %output, align 4
ret void
}
; CHECK-LABEL: @store_addrspacecast_ptr_value(
; CHECK: %cast = addrspacecast i32 addrspace(1)* %input to i32 addrspace(4)*
; CHECK-NEXT: store i32 addrspace(4)* %cast, i32 addrspace(4)* addrspace(1)* %output, align 4
define void @store_addrspacecast_ptr_value(i32 addrspace(1)* nocapture %input, i32 addrspace(4)* addrspace(1)* nocapture %output) #0 {
%cast = addrspacecast i32 addrspace(1)* %input to i32 addrspace(4)*
store i32 addrspace(4)* %cast, i32 addrspace(4)* addrspace(1)* %output, align 4
ret void
}
attributes #0 = { nounwind }