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annotate test/CodeGen/R600/dot4-folding.ll @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 95c75e76d11b
children
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95c75e76d11b LLVM 3.4
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1 ;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
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3 ; Exactly one constant vector can be folded into dot4, which means exactly
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4 ; 4 MOV instructions
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60c9769439b8 LLVM 3.7
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5 ; CHECK: {{^}}main:
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6 ; CHECK: MOV
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7 ; CHECK: MOV
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8 ; CHECK: MOV
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9 ; CHECK: MOV
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10 ; CHECK-NOT: MOV
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11 ; CHECK-NOT: MOV
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12 ; CHECK-NOT: MOV
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13 ; CHECK-NOT: MOV
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15 define void @main(float addrspace(1)* %out) {
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16 main_body:
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17 %0 = load <4 x float> addrspace(8)* null
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18 %1 = load <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
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19 %2 = call float @llvm.AMDGPU.dp4(<4 x float> %0,<4 x float> %1)
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20 %3 = insertelement <4 x float> undef, float %2, i32 0
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21 call void @llvm.R600.store.swizzle(<4 x float> %3, i32 0, i32 0)
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22 ret void
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23 }
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25 declare float @llvm.AMDGPU.dp4(<4 x float>, <4 x float>) #1
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26 declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
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27 attributes #1 = { readnone }