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ac19ae8d63
Summary: These instructions can add an immediate offset to the address, like other ds instructions. Reviewers: arsenm Subscribers: arsenm, scchan Differential Revision: http://reviews.llvm.org/D19233 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268043 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
944 B
LLVM
25 lines
944 B
LLVM
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
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declare i32 @llvm.amdgcn.ds.permute(i32, i32) #0
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; CHECK-LABEL: {{^}}ds_permute:
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; CHECK: ds_permute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
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; CHECK: s_waitcnt lgkmcnt
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define void @ds_permute(i32 addrspace(1)* %out, i32 %index, i32 %src) nounwind {
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%bpermute = call i32 @llvm.amdgcn.ds.permute(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_permute_imm_offset:
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; CHECK: ds_permute_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_permute_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.permute(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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attributes #0 = { nounwind readnone convergent }
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