derek.holloway
7502bf64a4
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121 lines
4.9 KiB
LLVM
121 lines
4.9 KiB
LLVM
; RUN: llc -O0 -mtriple=spirv64-- %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-- %s -o - -filetype=obj | spirv-val %}
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; RUN: llc -O0 -mtriple=spirv32-- %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-- %s -o - -filetype=obj | spirv-val %}
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; Check that 'load atomic' LLVM IR instructions are lowered correctly to
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; OpAtomicLoad with the right Scope and Memory Semantics operands.
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;
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; Ordering bits are combined with storage-class semantics (e.g. CrossWorkgroupMemory
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; 0x200 for ptr addrspace(1), WorkgroupMemory 0x100 for ptr addrspace(3)).
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; CHECK-DAG: %[[#Int32:]] = OpTypeInt 32 0
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; CHECK-DAG: %[[#Float:]] = OpTypeFloat 32
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; CHECK-DAG: %[[#Const0:]] = OpConstantNull %[[#Int32]]
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; CHECK-DAG: %[[#Const1:]] = OpConstant %[[#Int32]] 1{{$}}
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; CHECK-DAG: %[[#Const2:]] = OpConstant %[[#Int32]] 2{{$}}
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; CHECK-DAG: %[[#Const3:]] = OpConstant %[[#Int32]] 3{{$}}
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; CHECK-DAG: %[[#Const4:]] = OpConstant %[[#Int32]] 4{{$}}
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; CHECK-DAG: %[[#Const258:]] = OpConstant %[[#Int32]] 258{{$}}
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; CHECK-DAG: %[[#Const512:]] = OpConstant %[[#Int32]] 512{{$}}
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; CHECK-DAG: %[[#Const514:]] = OpConstant %[[#Int32]] 514{{$}}
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; CHECK-DAG: %[[#Const528:]] = OpConstant %[[#Int32]] 528{{$}}
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define i32 @load_i32_unordered(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const0]] %[[#Const512]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr unordered, align 4
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ret i32 %val
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}
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define i32 @load_i32_monotonic(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const0]] %[[#Const512]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr monotonic, align 4
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ret i32 %val
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}
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define i32 @load_i32_acquire(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const0]] %[[#Const514]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr acquire, align 4
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ret i32 %val
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}
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define i32 @load_i32_seq_cst(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const0]] %[[#Const528]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr seq_cst, align 4
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ret i32 %val
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}
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; -- test with different syncscopes
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define i32 @load_i32_acquire_singlethread(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const4]] %[[#Const514]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr syncscope("singlethread") acquire, align 4
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ret i32 %val
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}
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define i32 @load_i32_acquire_subgroup(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const3]] %[[#Const514]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr syncscope("subgroup") acquire, align 4
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ret i32 %val
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}
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define i32 @load_i32_acquire_workgroup(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const2]] %[[#Const514]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr syncscope("workgroup") acquire, align 4
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ret i32 %val
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}
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define i32 @load_i32_acquire_device(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const1]] %[[#Const514]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(1) %ptr syncscope("device") acquire, align 4
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ret i32 %val
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}
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; -- test with a different scalar type
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define float @load_float_acquire(ptr addrspace(1) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#load:]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const0]] %[[#Const514]]
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; CHECK: %[[#val:]] = OpBitcast %[[#Float]] %[[#load]]
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; CHECK: OpReturnValue %[[#val]]
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%val = load atomic float, ptr addrspace(1) %ptr acquire, align 8
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ret float %val
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}
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; -- test with a different addrspace
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define i32 @load_i32_acquire_device_workgroup(ptr addrspace(3) %ptr) {
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; CHECK-LABEL: OpFunction %[[#]]
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; CHECK: %[[#ptr:]] = OpFunctionParameter %[[#]]
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; CHECK: %[[#]] = OpAtomicLoad %[[#Int32]] %[[#ptr]] %[[#Const1]] %[[#Const258]]
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; CHECK: OpReturnValue
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%val = load atomic i32, ptr addrspace(3) %ptr syncscope("device") acquire, align 4
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ret i32 %val
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}
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