54 lines
2.2 KiB
LLVM
54 lines
2.2 KiB
LLVM
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; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
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declare i32 @llvm.amdgcn.ds.bpermute(i32, i32) #0
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; CHECK-LABEL: {{^}}ds_bpermute:
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; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
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define amdgpu_kernel void @ds_bpermute(i32 addrspace(1)* %out, i32 %index, i32 %src) nounwind {
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%bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %index, i32 %src) #0
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store i32 %bpermute, i32 addrspace(1)* %out, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}ds_bpermute_imm_offset:
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; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:4
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define amdgpu_kernel void @ds_bpermute_imm_offset(i32 addrspace(1)* %out, i32 %base_index, i32 %src) nounwind {
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%index = add i32 %base_index, 4
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%bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %index, i32 %src) #0
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store i32 %bpermute, i32 addrspace(1)* %out, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}ds_bpermute_imm_index:
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; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:64
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define amdgpu_kernel void @ds_bpermute_imm_index(i32 addrspace(1)* %out, i32 %base_index, i32 %src) nounwind {
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%bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 64, i32 %src) #0
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store i32 %bpermute, i32 addrspace(1)* %out, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}ds_bpermute_add_shl:
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; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:4
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; CHECK: s_waitcnt lgkmcnt
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define void @ds_bpermute_add_shl(i32 addrspace(1)* %out, i32 %base_index, i32 %src) nounwind {
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%index = add i32 %base_index, 1
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%byte_index = shl i32 %index, 2
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%bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %byte_index, i32 %src) #0
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store i32 %bpermute, i32 addrspace(1)* %out, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}ds_bpermute_or_shl:
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; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:4
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; CHECK: s_waitcnt lgkmcnt
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define void @ds_bpermute_or_shl(i32 addrspace(1)* %out, i32 %base_index, i32 %src) nounwind {
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%masked = and i32 %base_index, 62
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%index = or i32 %masked, 1
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%byte_index = shl i32 %index, 2
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%bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %byte_index, i32 %src) #0
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store i32 %bpermute, i32 addrspace(1)* %out, align 4
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ret void
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}
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attributes #0 = { nounwind readnone convergent }
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