derek.holloway
7502bf64a4
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36 lines
1.3 KiB
LLVM
36 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=nvptx64 | FileCheck %s
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; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 | %ptxas-verify %}
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; LDST: .b8 bfloat_array[8] = {1, 2, 3, 4, 5, 6, 7, 8};
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@"bfloat_array" = addrspace(1) constant [4 x bfloat]
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[bfloat 0xR0201, bfloat 0xR0403, bfloat 0xR0605, bfloat 0xR0807]
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define void @test_load_store(ptr addrspace(1) %in, ptr addrspace(1) %out) {
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; CHECK-LABEL: @test_load_store
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; CHECK: ld.global.b16 [[TMP:%rs[0-9]+]], [{{%rd[0-9]+}}]
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; CHECK: st.global.b16 [{{%rd[0-9]+}}], [[TMP]]
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%val = load bfloat, ptr addrspace(1) %in
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store bfloat %val, ptr addrspace(1) %out
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ret void
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}
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define void @test_bitcast_from_bfloat(ptr addrspace(1) %in, ptr addrspace(1) %out) {
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; CHECK-LABEL: @test_bitcast_from_bfloat
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; CHECK: ld.global.b16 [[TMP:%rs[0-9]+]], [{{%rd[0-9]+}}]
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; CHECK: st.global.b16 [{{%rd[0-9]+}}], [[TMP]]
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%val = load bfloat, ptr addrspace(1) %in
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%val_int = bitcast bfloat %val to i16
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store i16 %val_int, ptr addrspace(1) %out
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ret void
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}
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define void @test_bitcast_to_bfloat(ptr addrspace(1) %out, ptr addrspace(1) %in) {
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; CHECK-LABEL: @test_bitcast_to_bfloat
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; CHECK: ld.global.b16 [[TMP:%rs[0-9]+]], [{{%rd[0-9]+}}]
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; CHECK: st.global.b16 [{{%rd[0-9]+}}], [[TMP]]
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%val = load i16, ptr addrspace(1) %in
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%val_fp = bitcast i16 %val to bfloat
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store bfloat %val_fp, ptr addrspace(1) %out
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ret void
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}
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