1; RUN: opt < %s -passes=pgo-instr-gen -pgo-temporal-instrumentation -S | FileCheck %s 2; RUN: opt < %s -passes=pgo-instr-gen -pgo-temporal-instrumentation -pgo-block-coverage -S | FileCheck %s 3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6; CHECK-LABEL: define void @foo( 7define void @foo() { 8entry: 9 ; CHECK: call void @llvm.instrprof.timestamp({{.*}}) 10 ret void 11} 12 13; CHECK-LABEL: define void @bar( 14define void @bar() #0 { 15entry: 16 ; CHECK-NOT: call void @llvm.instrprof.timestamp({{.*}}) 17 call void asm sideeffect "retq;", "~{dirflag},~{fpsr},~{flags}"() 18 unreachable 19} 20 21; CHECK-LABEL: declare void @llvm.instrprof.timestamp( 22 23attributes #0 = { naked } 24