Dehao Chen ca0bb7af02 Only sets profile summary when it was not preset.
Summary: SampleProfileLoader pass may be invoked twice by LTO. The 2nd pass should not append more summary info as it is already preset by the 1st pass.

Reviewers: eraman, davidxl

Subscribers: mehdi_amini, llvm-commits

Differential Revision: https://reviews.llvm.org/D27733

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289725 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-14 22:06:49 +00:00

16 lines
633 B
LLVM

; Test that we annotate entire program's summary to IR.
; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/summary.prof -S | FileCheck %s
; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/summary.prof -S | opt -sample-profile -sample-profile-file=%S/Inputs/summary.prof -S | FileCheck %s
define i32 @bar() #0 !dbg !1 {
entry:
ret i32 1, !dbg !2
}
; CHECK-DAG: {{![0-9]+}} = !{i32 1, !"ProfileSummary", {{![0-9]+}}}
; CHECK-DAG: {{![0-9]+}} = !{!"NumFunctions", i64 2}
; CHECK-DAG: {{![0-9]+}} = !{!"MaxFunctionCount", i64 3}
!1 = distinct !DISubprogram(name: "bar")
!2 = !DILocation(line: 2, scope: !2)