1; RUN: llvm-as < %s | llc | FileCheck %s 2; PR 5247 3; check that cmp/test is not scheduled before the add 4target 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" 5target triple = "x86_64-unknown-linux-gnu" 6 7@.str76843 = external dso_local constant [45 x i8] ; <ptr> [#uses=1] 8@__profiling_callsite_timestamps_live = external dso_local global [1216 x i64] ; <ptr> [#uses=2] 9 10define i32 @cl_init(i32 %initoptions) nounwind { 11entry: 12 %retval.i = alloca i32 ; <ptr> [#uses=3] 13 %retval = alloca i32 ; <ptr> [#uses=2] 14 %initoptions.addr = alloca i32 ; <ptr> [#uses=2] 15 tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind 16 %0 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1] 17 store i32 %initoptions, ptr %initoptions.addr 18 call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind 19 %1 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1] 20 %call.i = call i32 @lt_dlinit() nounwind ; <i32> [#uses=1] 21 %tobool.i = icmp ne i32 %call.i, 0 ; <i1> [#uses=1] 22 br i1 %tobool.i, label %if.then.i, label %if.end.i 23 24if.then.i: ; preds = %entry 25 %call1.i = call i32 @warn_dlerror(ptr @.str76843) nounwind ; <i32> [#uses=0] 26 store i32 -1, ptr %retval.i 27 br label %lt_init.exit 28 29if.end.i: ; preds = %entry 30 store i32 0, ptr %retval.i 31 br label %lt_init.exit 32 33lt_init.exit: ; preds = %if.end.i, %if.then.i 34 %2 = load i32, ptr %retval.i ; <i32> [#uses=1] 35 call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind 36 %3 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1] 37 %4 = sub i64 %3, %1 ; <i64> [#uses=1] 38 %5 = atomicrmw add ptr getelementptr inbounds ([1216 x i64], ptr @__profiling_callsite_timestamps_live, i32 0, i32 51), i64 %4 monotonic 39;CHECK: lock {{xadd|addq}} %rdx, __profiling_callsite_timestamps_live 40;CHECK-NEXT: testl [[REG:%e[a-z]+]], [[REG]] 41;CHECK-NEXT: jne 42 %cmp = icmp eq i32 %2, 0 ; <i1> [#uses=1] 43 br i1 %cmp, label %if.then, label %if.end 44 45if.then: ; preds = %lt_init.exit 46 call void @cli_rarload() 47 br label %if.end 48 49if.end: ; preds = %if.then, %lt_init.exit 50 store i32 0, ptr %retval 51 %6 = load i32, ptr %retval ; <i32> [#uses=1] 52 tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind 53 %7 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1] 54 %8 = sub i64 %7, %0 ; <i64> [#uses=1] 55 %9 = atomicrmw add ptr getelementptr inbounds ([1216 x i64], ptr @__profiling_callsite_timestamps_live, i32 0, i32 50), i64 %8 monotonic 56 ret i32 %6 57} 58 59declare void @cli_rarload() nounwind 60 61declare i32 @lt_dlinit() 62 63declare i32 @warn_dlerror(ptr) nounwind 64 65declare i64 @llvm.readcyclecounter() nounwind 66