forked from OSchip/llvm-project
63 lines
2.5 KiB
LLVM
63 lines
2.5 KiB
LLVM
; RUN: llc -march=amdgcn -mtriple=amdgcn-- -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -march=amdgcn -mtriple=amdgcn-- -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; How the replacement of i64 stores with v2i32 stores resulted in
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; breaking other users of the bitcast if they already existed
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; GCN-LABEL: {{^}}extract_vector_elt_select_error:
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; GCN: buffer_store_dword
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; GCN: buffer_store_dword
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; GCN: buffer_store_dwordx2
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define amdgpu_kernel void @extract_vector_elt_select_error(i32 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %val) #0 {
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%vec = bitcast i64 %val to <2 x i32>
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%elt0 = extractelement <2 x i32> %vec, i32 0
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%elt1 = extractelement <2 x i32> %vec, i32 1
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store volatile i32 %elt0, i32 addrspace(1)* %out
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store volatile i32 %elt1, i32 addrspace(1)* %out
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store volatile i64 %val, i64 addrspace(1)* %in
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ret void
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}
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; GCN-LABEL: {{^}}extract_vector_elt_v2i64:
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define amdgpu_kernel void @extract_vector_elt_v2i64(i64 addrspace(1)* %out, <2 x i64> %foo) #0 {
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%p0 = extractelement <2 x i64> %foo, i32 0
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%p1 = extractelement <2 x i64> %foo, i32 1
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%out1 = getelementptr i64, i64 addrspace(1)* %out, i32 1
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store volatile i64 %p1, i64 addrspace(1)* %out
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store volatile i64 %p0, i64 addrspace(1)* %out1
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ret void
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}
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; GCN-LABEL: {{^}}dyn_extract_vector_elt_v2i64:
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define amdgpu_kernel void @dyn_extract_vector_elt_v2i64(i64 addrspace(1)* %out, <2 x i64> %foo, i32 %elt) #0 {
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%dynelt = extractelement <2 x i64> %foo, i32 %elt
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store volatile i64 %dynelt, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}dyn_extract_vector_elt_v2i64_2:
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define amdgpu_kernel void @dyn_extract_vector_elt_v2i64_2(i64 addrspace(1)* %out, <2 x i64> addrspace(1)* %foo, i32 %elt, <2 x i64> %arst) #0 {
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%load = load volatile <2 x i64>, <2 x i64> addrspace(1)* %foo
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%or = or <2 x i64> %load, %arst
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%dynelt = extractelement <2 x i64> %or, i32 %elt
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store volatile i64 %dynelt, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}dyn_extract_vector_elt_v3i64:
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define amdgpu_kernel void @dyn_extract_vector_elt_v3i64(i64 addrspace(1)* %out, <3 x i64> %foo, i32 %elt) #0 {
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%dynelt = extractelement <3 x i64> %foo, i32 %elt
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store volatile i64 %dynelt, i64 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}dyn_extract_vector_elt_v4i64:
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define amdgpu_kernel void @dyn_extract_vector_elt_v4i64(i64 addrspace(1)* %out, <4 x i64> %foo, i32 %elt) #0 {
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%dynelt = extractelement <4 x i64> %foo, i32 %elt
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store volatile i64 %dynelt, i64 addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind }
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