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annotate test/CodeGen/X86/2009-10-19-atomic-cmp-eflags.ll @ 134:3a76565eade5 LLVM5.0.1

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update 5.0.1
author mir3636
date Sat, 17 Feb 2018 09:57:20 +0900
parents afa8332a0e37
children c2174574ed3a
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1 ; RUN: llvm-as <%s | llc | FileCheck %s
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2 ; PR 5247
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3 ; check that cmp/test is not scheduled before the add
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4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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5 target triple = "x86_64-unknown-linux-gnu"
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7 @.str76843 = external constant [45 x i8] ; <[45 x i8]*> [#uses=1]
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8 @__profiling_callsite_timestamps_live = external global [1216 x i64] ; <[1216 x i64]*> [#uses=2]
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9
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10 define i32 @cl_init(i32 %initoptions) nounwind {
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11 entry:
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12 %retval.i = alloca i32 ; <i32*> [#uses=3]
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13 %retval = alloca i32 ; <i32*> [#uses=2]
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14 %initoptions.addr = alloca i32 ; <i32*> [#uses=2]
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15 tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
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16 %0 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
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17 store i32 %initoptions, i32* %initoptions.addr
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18 %1 = bitcast i32* %initoptions.addr to { }* ; <{ }*> [#uses=0]
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19 call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
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20 %2 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
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21 %call.i = call i32 @lt_dlinit() nounwind ; <i32> [#uses=1]
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22 %tobool.i = icmp ne i32 %call.i, 0 ; <i1> [#uses=1]
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23 br i1 %tobool.i, label %if.then.i, label %if.end.i
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25 if.then.i: ; preds = %entry
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26 %call1.i = call i32 @warn_dlerror(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str76843, i32 0, i32 0)) nounwind ; <i32> [#uses=0]
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27 store i32 -1, i32* %retval.i
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28 br label %lt_init.exit
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30 if.end.i: ; preds = %entry
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31 store i32 0, i32* %retval.i
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32 br label %lt_init.exit
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34 lt_init.exit: ; preds = %if.end.i, %if.then.i
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35 %3 = load i32, i32* %retval.i ; <i32> [#uses=1]
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36 call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
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37 %4 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
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38 %5 = sub i64 %4, %2 ; <i64> [#uses=1]
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39 %6 = atomicrmw add i64* getelementptr inbounds ([1216 x i64], [1216 x i64]* @__profiling_callsite_timestamps_live, i32 0, i32 51), i64 %5 monotonic
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40 ;CHECK: lock {{xadd|addq}} %rdx, __profiling_callsite_timestamps_live
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41 ;CHECK-NEXT: testl [[REG:%e[a-z]+]], [[REG]]
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42 ;CHECK-NEXT: jne
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43 %cmp = icmp eq i32 %3, 0 ; <i1> [#uses=1]
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44 br i1 %cmp, label %if.then, label %if.end
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45
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46 if.then: ; preds = %lt_init.exit
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47 call void @cli_rarload()
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48 br label %if.end
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50 if.end: ; preds = %if.then, %lt_init.exit
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51 store i32 0, i32* %retval
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52 %7 = load i32, i32* %retval ; <i32> [#uses=1]
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53 tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
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54 %8 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
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55 %9 = sub i64 %8, %0 ; <i64> [#uses=1]
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56 %10 = atomicrmw add i64* getelementptr inbounds ([1216 x i64], [1216 x i64]* @__profiling_callsite_timestamps_live, i32 0, i32 50), i64 %9 monotonic
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57 ret i32 %7
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58 }
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60 declare void @cli_rarload() nounwind
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62 declare i32 @lt_dlinit()
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64 declare i32 @warn_dlerror(i8*) nounwind
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66 declare i64 @llvm.readcyclecounter() nounwind