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annotate test/CodeGen/X86/tail-dup-addr.ll @ 33:e4204d083e25

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LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children afa8332a0e37
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1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
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3 ; Test that we don't drop a block that has its address taken.
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5 ; CHECK: Ltmp0: ## Block address taken
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6 ; CHECK: Ltmp1: ## Block address taken
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8 @a = common global i32 0, align 4
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9 @p = common global i8* null, align 8
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11 define void @foo() noreturn nounwind uwtable ssp {
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12 entry:
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13 %tmp = load i32* @a, align 4
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14 %foo = icmp eq i32 0, %tmp
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15 br i1 %foo, label %sw.bb, label %sw.default
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16
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17 sw.bb: ; preds = %entry
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18 store i8* blockaddress(@foo, %sw.bb1), i8** @p, align 8
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19 br label %sw.bb1
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20
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21 sw.bb1: ; preds = %sw.default, %sw.bb, %entry
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22 store i8* blockaddress(@foo, %sw.default), i8** @p, align 8
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23 br label %sw.default
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25 sw.default: ; preds = %sw.bb1, %entry
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26 store i8* blockaddress(@foo, %sw.bb1), i8** @p, align 8
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27 br label %sw.bb1
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28 }