|  | ; For SamplePGO, if -profile-sample-accurate is specified, cold callsite | 
|  | ; heuristics should be honored if the caller has no profile. | 
|  |  | 
|  | ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -inline -S -inline-cold-callsite-threshold=0 | FileCheck %s | 
|  | ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -profile-sample-accurate -inline -S -inline-cold-callsite-threshold=0 | FileCheck %s --check-prefix ACCURATE | 
|  |  | 
|  | declare void @extern() | 
|  | define void @callee() { | 
|  | call void @extern() | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @caller(i32 %y1) { | 
|  | ; CHECK-LABEL: @caller | 
|  | ; CHECK-NOT: call void @callee | 
|  | ; ACCURATE-LABEL: @caller | 
|  | ; ACCURATE: call void @callee | 
|  | call void @callee() | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @caller_accurate(i32 %y1) #0 { | 
|  | ; CHECK-LABEL: @caller_accurate | 
|  | ; CHECK: call void @callee | 
|  | ; ACCURATE-LABEL: @caller_accurate | 
|  | ; ACCURATE: call void @callee | 
|  | call void @callee() | 
|  | ret void | 
|  | } | 
|  |  | 
|  | attributes #0 = { "profile-sample-accurate" } |