+; RUN: llvm-as <%s | llc | FileCheck %s
+; PR 5247
+; check that cmp is not scheduled before the add
+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"
+target triple = "x86_64-unknown-linux-gnu"
+
+@.str76843 = external constant [45 x i8] ; <[45 x i8]*> [#uses=1]
+@__profiling_callsite_timestamps_live = external global [1216 x i64] ; <[1216 x i64]*> [#uses=2]
+
+define i32 @cl_init(i32 %initoptions) nounwind {
+entry:
+ %retval.i = alloca i32 ; <i32*> [#uses=3]
+ %retval = alloca i32 ; <i32*> [#uses=2]
+ %initoptions.addr = alloca i32 ; <i32*> [#uses=2]
+ tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
+ %0 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
+ store i32 %initoptions, i32* %initoptions.addr
+ %1 = bitcast i32* %initoptions.addr to { }* ; <{ }*> [#uses=0]
+ call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
+ %2 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
+ %call.i = call i32 @lt_dlinit() nounwind ; <i32> [#uses=1]
+ %tobool.i = icmp ne i32 %call.i, 0 ; <i1> [#uses=1]
+ br i1 %tobool.i, label %if.then.i, label %if.end.i
+
+if.then.i: ; preds = %entry
+ %call1.i = call i32 @warn_dlerror(i8* getelementptr inbounds ([45 x i8]* @.str76843, i32 0, i32 0)) nounwind ; <i32> [#uses=0]
+ store i32 -1, i32* %retval.i
+ br label %lt_init.exit
+
+if.end.i: ; preds = %entry
+ store i32 0, i32* %retval.i
+ br label %lt_init.exit
+
+lt_init.exit: ; preds = %if.end.i, %if.then.i
+ %3 = load i32* %retval.i ; <i32> [#uses=1]
+ call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
+ %4 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
+ %5 = sub i64 %4, %2 ; <i64> [#uses=1]
+ %6 = call i64 @llvm.atomic.load.add.i64.p0i64(i64* getelementptr inbounds ([1216 x i64]* @__profiling_callsite_timestamps_live, i32 0, i32 51), i64 %5) nounwind ; <i64> [#uses=0]
+;CHECK: lock
+;CHECK-NEXT: {{xadd|addq}} %rdx, __profiling_callsite_timestamps_live
+;CHECK-NEXT: cmpl $0,
+;CHECK-NEXT: jne
+ %cmp = icmp eq i32 %3, 0 ; <i1> [#uses=1]
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %lt_init.exit
+ call void @cli_rarload()
+ br label %if.end
+
+if.end: ; preds = %if.then, %lt_init.exit
+ store i32 0, i32* %retval
+ %7 = load i32* %retval ; <i32> [#uses=1]
+ tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind
+ %8 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1]
+ %9 = sub i64 %8, %0 ; <i64> [#uses=1]
+ %10 = call i64 @llvm.atomic.load.add.i64.p0i64(i64* getelementptr inbounds ([1216 x i64]* @__profiling_callsite_timestamps_live, i32 0, i32 50), i64 %9) ; <i64> [#uses=0]
+ ret i32 %7
+}
+
+declare void @cli_rarload() nounwind
+
+declare i32 @lt_dlinit()
+
+declare i32 @warn_dlerror(i8*) nounwind
+
+declare i64 @llvm.atomic.load.add.i64.p0i64(i64* nocapture, i64) nounwind
+
+declare i64 @llvm.readcyclecounter() nounwind