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1; RUN: opt < %s --passes=pgo-instr-gen -pgo-instrument-cold-function-only -pgo-function-entry-coverage -S | FileCheck --check-prefixes=COLD %s2; RUN: opt < %s --passes=pgo-instr-gen -pgo-instrument-cold-function-only -pgo-function-entry-coverage -pgo-cold-instrument-entry-threshold=1 -S | FileCheck --check-prefixes=ENTRY-COUNT %s3; RUN: opt < %s --passes=pgo-instr-gen -pgo-instrument-cold-function-only -pgo-function-entry-coverage -pgo-treat-unknown-as-cold -S | FileCheck --check-prefixes=UNKNOWN-FUNC %s4 5; COLD: call void @llvm.instrprof.cover(ptr @__profn_foo, i64 [[#]], i32 1, i32 0)6; COLD-NOT: __profn_main7; COLD-NOT: __profn_bar8 9; ENTRY-COUNT: call void @llvm.instrprof.cover(ptr @__profn_foo, i64 [[#]], i32 1, i32 0)10; ENTRY-COUNT: call void @llvm.instrprof.cover(ptr @__profn_main, i64 [[#]], i32 1, i32 0)11 12; UNKNOWN-FUNC: call void @llvm.instrprof.cover(ptr @__profn_bar, i64 [[#]], i32 1, i32 0)13; UNKNOWN-FUNC: call void @llvm.instrprof.cover(ptr @__profn_foo, i64 [[#]], i32 1, i32 0)14 15 16target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"17target triple = "x86_64-unknown-linux-gnu"18 19define void @bar() {20entry:21 ret void22}23 24define void @foo() !prof !0 {25entry:26 ret void27}28 29define i32 @main() !prof !1 {30entry:31 ret i32 032}33 34!0 = !{!"function_entry_count", i64 0}35!1 = !{!"function_entry_count", i64 1}36