| ; RUN: llvm-as < %s | llc | FileCheck %s |
| ; PR 5247 |
| ; check that cmp/test 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 dso_local constant [45 x i8] ; <ptr> [#uses=1] |
| @__profiling_callsite_timestamps_live = external dso_local global [1216 x i64] ; <ptr> [#uses=2] |
| |
| define i32 @cl_init(i32 %initoptions) nounwind { |
| entry: |
| %retval.i = alloca i32 ; <ptr> [#uses=3] |
| %retval = alloca i32 ; <ptr> [#uses=2] |
| %initoptions.addr = alloca i32 ; <ptr> [#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, ptr %initoptions.addr |
| call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind |
| %1 = 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(ptr @.str76843) nounwind ; <i32> [#uses=0] |
| store i32 -1, ptr %retval.i |
| br label %lt_init.exit |
| |
| if.end.i: ; preds = %entry |
| store i32 0, ptr %retval.i |
| br label %lt_init.exit |
| |
| lt_init.exit: ; preds = %if.end.i, %if.then.i |
| %2 = load i32, ptr %retval.i ; <i32> [#uses=1] |
| call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind |
| %3 = call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1] |
| %4 = sub i64 %3, %1 ; <i64> [#uses=1] |
| %5 = atomicrmw add ptr getelementptr inbounds ([1216 x i64], ptr @__profiling_callsite_timestamps_live, i32 0, i32 51), i64 %4 monotonic |
| ;CHECK: lock {{xadd|addq}} %rdx, __profiling_callsite_timestamps_live |
| ;CHECK-NEXT: testl [[REG:%e[a-z]+]], [[REG]] |
| ;CHECK-NEXT: jne |
| %cmp = icmp eq i32 %2, 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, ptr %retval |
| %6 = load i32, ptr %retval ; <i32> [#uses=1] |
| tail call void asm sideeffect "cpuid", "~{ax},~{bx},~{cx},~{dx},~{memory},~{dirflag},~{fpsr},~{flags}"() nounwind |
| %7 = tail call i64 @llvm.readcyclecounter() nounwind ; <i64> [#uses=1] |
| %8 = sub i64 %7, %0 ; <i64> [#uses=1] |
| %9 = atomicrmw add ptr getelementptr inbounds ([1216 x i64], ptr @__profiling_callsite_timestamps_live, i32 0, i32 50), i64 %8 monotonic |
| ret i32 %6 |
| } |
| |
| declare void @cli_rarload() nounwind |
| |
| declare i32 @lt_dlinit() |
| |
| declare i32 @warn_dlerror(ptr) nounwind |
| |
| declare i64 @llvm.readcyclecounter() nounwind |
