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annotate test/CodeGen/AMDGPU/structurize1.ll @ 128:c347d3398279 default tip

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fix
author mir3636
date Wed, 06 Dec 2017 14:37:17 +0900
parents 803732b1fca8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1172e4bd9c6f update 4.0.0
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1 ; RUN: llc -march=r600 -mcpu=redwood -r600-if-convert=0 < %s | FileCheck %s
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2
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3 ; This tests for abug where the AMDILCFGStructurizer was crashing on loops
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4 ; like this:
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5 ;
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6 ; for (i = 0; i < x; i++) {
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7 ; if (cond0) {
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8 ; if (cond1) {
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9 ;
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10 ; } else {
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11 ;
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12 ; }
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13 ; if (cond2) {
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14 ;
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15 ; }
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16 ; }
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17 ; }
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18
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19 ; CHECK-LABEL: {{^}}if_inside_loop:
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20 ; CHECK: LOOP_START_DX10
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21 ; CHECK: END_LOOP
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22 define amdgpu_kernel void @if_inside_loop(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i32 %d) {
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23 entry:
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24 br label %for.body
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25
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26 for.body:
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27 %0 = phi i32 [0, %entry], [%inc, %for.inc]
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28 %val = phi i32 [0, %entry], [%val.for.inc, %for.inc]
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29 %inc = add i32 %0, 1
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30 %1 = icmp ult i32 10, %a
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31 br i1 %1, label %for.inc, label %if.then
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32
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33 if.then:
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34 %2 = icmp ne i32 0, %b
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35 br i1 %2, label %if.then.true, label %if.then.false
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36
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37 if.then.true:
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38 %3 = add i32 %a, %val
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39 br label %if
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40
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41 if.then.false:
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42 %4 = mul i32 %a, %val
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43 br label %if
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44
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45 if:
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46 %val.if = phi i32 [%3, %if.then.true], [%4, %if.then.false]
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47 %5 = icmp ne i32 0, %c
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48 br i1 %5, label %if.true, label %for.inc
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49
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50 if.true:
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51 %6 = add i32 %a, %val.if
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52 br label %for.inc
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53
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54 for.inc:
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55 %val.for.inc = phi i32 [%val, %for.body], [%val.if, %if], [%6, %if.true]
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56 %7 = icmp ne i32 0, %d
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57 br i1 %7, label %for.body, label %exit
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58
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59 exit:
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60 store i32 %val.for.inc, i32 addrspace(1)* %out
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61 ret void
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62 }