; 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 ; [#uses=3] %retval = alloca i32 ; [#uses=2] %initoptions.addr = alloca 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 ; [#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 ; [#uses=1] %call.i = call i32 @lt_dlinit() nounwind ; [#uses=1] %tobool.i = icmp ne i32 %call.i, 0 ; [#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], [45 x i8]* @.str76843, i32 0, i32 0)) nounwind ; [#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, i32* %retval.i ; [#uses=1] call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind %4 = call i64 @llvm.readcyclecounter() nounwind ; [#uses=1] %5 = sub i64 %4, %2 ; [#uses=1] %6 = atomicrmw add i64* getelementptr inbounds ([1216 x i64], [1216 x i64]* @__profiling_callsite_timestamps_live, i32 0, i32 51), i64 %5 monotonic ;CHECK: lock ;CHECK-NEXT: {{xadd|addq}} %rdx, __profiling_callsite_timestamps_live ;CHECK-NEXT: cmpl $0, ;CHECK-NEXT: jne %cmp = icmp eq i32 %3, 0 ; [#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, i32* %retval ; [#uses=1] tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind %8 = tail call i64 @llvm.readcyclecounter() nounwind ; [#uses=1] %9 = sub i64 %8, %0 ; [#uses=1] %10 = atomicrmw add i64* getelementptr inbounds ([1216 x i64], [1216 x i64]* @__profiling_callsite_timestamps_live, i32 0, i32 50), i64 %9 monotonic ret i32 %7 } declare void @cli_rarload() nounwind declare i32 @lt_dlinit() declare i32 @warn_dlerror(i8*) nounwind declare i64 @llvm.readcyclecounter() nounwind