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