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annotate test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 803732b1fca8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
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2
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3 ; This tests a bug where LegalizeDAG was not checking the target's
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4 ; BooleanContents value and always using one for true, when expanding
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5 ; setcc to select_cc.
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6 ;
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7 ; This bug caused the icmp IR instruction to be expanded to two machine
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8 ; instructions, when only one is needed.
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9 ;
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10
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11 ; CHECK: {{^}}setcc_expand:
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12 ; CHECK: SET
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13 ; CHECK-NOT: CND
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14 define void @setcc_expand(i32 addrspace(1)* %out, i32 %in) {
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15 entry:
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16 %0 = icmp eq i32 %in, 5
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17 br i1 %0, label %IF, label %ENDIF
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18 IF:
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19 %1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
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20 store i32 0, i32 addrspace(1)* %1
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21 br label %ENDIF
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22
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23 ENDIF:
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24 store i32 0, i32 addrspace(1)* %out
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25 ret void
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26 }