llvm/test/Transforms/SampleProfile/inline-cold-callsite-samplepgo.ll

   1 ; For SamplePGO, if -profile-sample-accurate is specified, cold callsite
   2 ; heuristics should be honored if the caller has no profile.
   3
   4 ; RUN: opt -S %s -passes='sample-profile,cgscc(inline)' -sample-profile-file=%S/Inputs/inline.prof -inline-cold-callsite-threshold=0 | FileCheck %s
   5 ; RUN: opt -S %s -passes='sample-profile,cgscc(inline)' -sample-profile-file=%S/Inputs/inline.prof -profile-sample-accurate -inline-cold-callsite-threshold=0 | FileCheck %s --check-prefix ACCURATE
   6
   7 declare void @extern()
   8 define void @callee() #1 {
   9   call void @extern()
  10   ret void
  11 }
  12
  13 define void @caller(i32 %y1) #1 {
  14 ; CHECK-LABEL: @caller
  15 ; CHECK-NOT: call void @callee
  16 ; ACCURATE-LABEL: @caller
  17 ; ACCURATE: call void @callee
  18   call void @callee()
  19   ret void
  20 }
  21
  22 define void @caller_accurate(i32 %y1) #0 {
  23 ; CHECK-LABEL: @caller_accurate
  24 ; CHECK: call void @callee
  25 ; ACCURATE-LABEL: @caller_accurate
  26 ; ACCURATE: call void @callee
  27   call void @callee()
  28   ret void
  29 }
  30
  31 attributes #0 = { "profile-sample-accurate" "use-sample-profile" }
  32 attributes #1 = { "use-sample-profile" }