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annotate test/Transforms/InstCombine/volatile_store.ll @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents 1172e4bd9c6f
children
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1 ; NOTE: Assertions have been autogenerated by update_test_checks.py
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2 ; RUN: opt < %s -instcombine -S | FileCheck %s
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4 @x = weak global i32 0
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6 define void @self_assign_1() {
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7 ; CHECK-LABEL: @self_assign_1(
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8 ; CHECK-NEXT: entry:
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9 ; CHECK-NEXT: [[TMP:%.*]] = load volatile i32, i32* @x, align 4
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10 ; CHECK-NEXT: store volatile i32 [[TMP]], i32* @x, align 4
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11 ; CHECK-NEXT: br label %return
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12 ; CHECK: return:
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13 ; CHECK-NEXT: ret void
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14 ;
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15 entry:
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16 %tmp = load volatile i32, i32* @x
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17 store volatile i32 %tmp, i32* @x
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18 br label %return
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19
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20 return:
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21 ret void
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22 }