waitcnt-vscnt.ll
9.36 KB
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; RUN: llc -march=amdgcn -mcpu=gfx802 -asm-verbose=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX8,GFX8_9 %s
; RUN: llc -march=amdgcn -mcpu=gfx900 -asm-verbose=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX9,GFX9_10,GFX8_9 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -asm-verbose=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX10,GFX9_10 %s
; GCN-LABEL: barrier_vmcnt_global:
; GFX8: flat_load_dword
; GFX9_10: global_load_dword
; GFX8: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX9_10: s_waitcnt vmcnt(0){{$}}
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vmcnt_global(i32 addrspace(1)* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp1
%tmp4 = load i32, i32 addrspace(1)* %tmp3, align 4
fence syncscope("singlethread") release
tail call void @llvm.amdgcn.s.barrier()
fence syncscope("singlethread") acquire
%tmp5 = add nuw nsw i64 %tmp2, 4294967296
%tmp6 = lshr exact i64 %tmp5, 32
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp6
store i32 %tmp4, i32 addrspace(1)* %tmp7, align 4
ret void
}
; GCN-LABEL: barrier_vscnt_global:
; GFX8: flat_store_dword
; GFX9_10: global_store_dword
; GFX8: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX9: s_waitcnt vmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vscnt_global(i32 addrspace(1)* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = add nuw nsw i64 %tmp2, 8589934592
%tmp4 = lshr exact i64 %tmp3, 32
%tmp5 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp4
store i32 0, i32 addrspace(1)* %tmp5, align 4
fence syncscope("singlethread") release
tail call void @llvm.amdgcn.s.barrier() #3
fence syncscope("singlethread") acquire
%tmp6 = add nuw nsw i64 %tmp2, 4294967296
%tmp7 = lshr exact i64 %tmp6, 32
%tmp8 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp7
store i32 1, i32 addrspace(1)* %tmp8, align 4
ret void
}
; GCN-LABEL: barrier_vmcnt_vscnt_global:
; GFX8: flat_load_dword
; GFX9_10: global_load_dword
; GFX8: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX9_10: s_waitcnt vmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vmcnt_vscnt_global(i32 addrspace(1)* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = add nuw nsw i64 %tmp2, 8589934592
%tmp4 = lshr exact i64 %tmp3, 32
%tmp5 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp4
store i32 0, i32 addrspace(1)* %tmp5, align 4
%tmp6 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp1
%tmp7 = load i32, i32 addrspace(1)* %tmp6, align 4
fence syncscope("singlethread") release
tail call void @llvm.amdgcn.s.barrier()
fence syncscope("singlethread") acquire
%tmp8 = add nuw nsw i64 %tmp2, 4294967296
%tmp9 = lshr exact i64 %tmp8, 32
%tmp10 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp9
store i32 %tmp7, i32 addrspace(1)* %tmp10, align 4
ret void
}
; GCN-LABEL: barrier_vmcnt_flat:
; GCN: flat_load_dword
; GCN: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vmcnt_flat(i32* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = getelementptr inbounds i32, i32* %arg, i64 %tmp1
%tmp4 = load i32, i32* %tmp3, align 4
fence syncscope("singlethread") release
tail call void @llvm.amdgcn.s.barrier()
fence syncscope("singlethread") acquire
%tmp5 = add nuw nsw i64 %tmp2, 4294967296
%tmp6 = lshr exact i64 %tmp5, 32
%tmp7 = getelementptr inbounds i32, i32* %arg, i64 %tmp6
store i32 %tmp4, i32* %tmp7, align 4
ret void
}
; GCN-LABEL: barrier_vscnt_flat:
; GCN: flat_store_dword
; GFX8_9: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX10: s_waitcnt lgkmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vscnt_flat(i32* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = add nuw nsw i64 %tmp2, 8589934592
%tmp4 = lshr exact i64 %tmp3, 32
%tmp5 = getelementptr inbounds i32, i32* %arg, i64 %tmp4
store i32 0, i32* %tmp5, align 4
fence syncscope("singlethread") release
tail call void @llvm.amdgcn.s.barrier() #3
fence syncscope("singlethread") acquire
%tmp6 = add nuw nsw i64 %tmp2, 4294967296
%tmp7 = lshr exact i64 %tmp6, 32
%tmp8 = getelementptr inbounds i32, i32* %arg, i64 %tmp7
store i32 1, i32* %tmp8, align 4
ret void
}
; GCN-LABEL: barrier_vmcnt_vscnt_flat:
; GCN: flat_load_dword
; GCN: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vmcnt_vscnt_flat(i32* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = add nuw nsw i64 %tmp2, 8589934592
%tmp4 = lshr exact i64 %tmp3, 32
%tmp5 = getelementptr inbounds i32, i32* %arg, i64 %tmp4
store i32 0, i32* %tmp5, align 4
%tmp6 = getelementptr inbounds i32, i32* %arg, i64 %tmp1
%tmp7 = load i32, i32* %tmp6, align 4
fence syncscope("singlethread") release
tail call void @llvm.amdgcn.s.barrier()
fence syncscope("singlethread") acquire
%tmp8 = add nuw nsw i64 %tmp2, 4294967296
%tmp9 = lshr exact i64 %tmp8, 32
%tmp10 = getelementptr inbounds i32, i32* %arg, i64 %tmp9
store i32 %tmp7, i32* %tmp10, align 4
ret void
}
; GCN-LABEL: barrier_vmcnt_vscnt_flat_workgroup:
; GCN: flat_load_dword
; GFX8_9: s_waitcnt lgkmcnt(0){{$}}
; GFX8_9: s_waitcnt vmcnt(0){{$}}
; GFX10: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_barrier
define amdgpu_kernel void @barrier_vmcnt_vscnt_flat_workgroup(i32* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = add nuw nsw i64 %tmp2, 8589934592
%tmp4 = lshr exact i64 %tmp3, 32
%tmp5 = getelementptr inbounds i32, i32* %arg, i64 %tmp4
store i32 0, i32* %tmp5, align 4
%tmp6 = getelementptr inbounds i32, i32* %arg, i64 %tmp1
%tmp7 = load i32, i32* %tmp6, align 4
fence syncscope("workgroup") release
tail call void @llvm.amdgcn.s.barrier()
fence syncscope("workgroup") acquire
%tmp8 = add nuw nsw i64 %tmp2, 4294967296
%tmp9 = lshr exact i64 %tmp8, 32
%tmp10 = getelementptr inbounds i32, i32* %arg, i64 %tmp9
store i32 %tmp7, i32* %tmp10, align 4
ret void
}
; GCN-LABEL: load_vmcnt_global:
; GFX8: flat_load_dword
; GFX9_10: global_load_dword
; GFX8: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX9_10: s_waitcnt vmcnt(0){{$}}
; GCN-NEXT: {{global|flat}}_store_dword
define amdgpu_kernel void @load_vmcnt_global(i32 addrspace(1)* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp1
%tmp4 = load i32, i32 addrspace(1)* %tmp3, align 4
%tmp5 = add nuw nsw i64 %tmp2, 4294967296
%tmp6 = lshr exact i64 %tmp5, 32
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp6
store i32 %tmp4, i32 addrspace(1)* %tmp7, align 4
ret void
}
; GCN-LABEL: load_vmcnt_flat:
; GCN: flat_load_dword
; GCN-NOT: vscnt
; GCN: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GCN-NEXT: {{global|flat}}_store_dword
define amdgpu_kernel void @load_vmcnt_flat(i32* %arg) {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = shl nuw nsw i64 %tmp1, 32
%tmp3 = getelementptr inbounds i32, i32* %arg, i64 %tmp1
%tmp4 = load i32, i32* %tmp3, align 4
%tmp5 = add nuw nsw i64 %tmp2, 4294967296
%tmp6 = lshr exact i64 %tmp5, 32
%tmp7 = getelementptr inbounds i32, i32* %arg, i64 %tmp6
store i32 %tmp4, i32* %tmp7, align 4
ret void
}
; GCN-LABEL: store_vscnt_private:
; GCN: buffer_store_dword
; GFX8_9: s_waitcnt vmcnt(0)
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_setpc_b64
define void @store_vscnt_private(i32 addrspace(5)* %p) {
store i32 0, i32 addrspace(5)* %p
ret void
}
; GCN-LABEL: store_vscnt_global:
; GFX8: flat_store_dword
; GFX9_10: global_store_dword
; GFX8_9: s_waitcnt vmcnt(0)
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_setpc_b64
define void @store_vscnt_global(i32 addrspace(1)* %p) {
store i32 0, i32 addrspace(1)* %p
ret void
}
; GCN-LABEL: store_vscnt_flat:
; GCN: flat_store_dword
; GFX8_9: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GFX10: s_waitcnt lgkmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_setpc_b64
define void @store_vscnt_flat(i32* %p) {
store i32 0, i32* %p
ret void
}
; GCN-LABEL: function_prologue:
; GCN: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0){{$}}
; GFX10: s_waitcnt_vscnt null, 0x0
; GCN-NEXT: s_setpc_b64
define void @function_prologue() {
ret void
}
declare void @llvm.amdgcn.s.barrier()
declare i32 @llvm.amdgcn.workitem.id.x()