early-inline.ll
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; RUN: opt < %s -instcombine -sample-profile -sample-profile-file=%S/Inputs/einline.prof -S | FileCheck %s
; Checks if both call and invoke can be inlined early if their inlined
; instances are hot in profile.
target triple = "x86_64-unknown-linux-gnu"
@_ZTIi = external constant i8*
; Function Attrs: uwtable
define void @_Z3foov() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !6 {
%1 = alloca i8*
%2 = alloca i32
%3 = alloca i32, align 4
; CHECK: call void @no_inline
call void @no_inline(), !dbg !16
; CHECK-NOT: call
call void @_ZL3barv(), !dbg !9
; CHECK-NOT: invoke
invoke void @_ZL3barv()
to label %4 unwind label %5, !dbg !10
; <label>:4:
ret void
; <label>:5:
%6 = landingpad { i8*, i32 }
catch i8* bitcast (i8** @_ZTIi to i8*)
ret void
}
; Function Attrs: nounwind uwtable
define internal void @_ZL3barv() #0 !dbg !12 {
ret void
}
; CHECK-LABEL: @recursive
define void @recursive() #0 !dbg !13 {
; Recursive calls should not be early-inlined.
; CHECK-NOT: call void @recursive
; CHECK: call void @recursive
; CHECK: call void @recursive
; CHECK-NOT: call void @recursive
; CHECK: ret
call void @recursive(), !dbg !14
call void @recursive(), !dbg !15
ret void
}
; The callee has mismatch attributes to the caller, it should not be inlined
define void @no_inline() #1 !dbg !17 {
ret void
}
declare i32 @__gxx_personality_v0(...)
attributes #0 = {"target-features"="+sse4.1" "use-sample-profile"}
attributes #1 = {"target-features"="+sse4.2" "use-sample-profile"}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
!1 = !DIFile(filename: "a", directory: "b/")
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!6 = distinct !DISubprogram(linkageName: "_Z3foov", scope: !1, file: !1, line: 5, scopeLine: 5, unit: !0)
!9 = !DILocation(line: 6, column: 3, scope: !6)
!10 = !DILocation(line: 8, column: 5, scope: !11)
!11 = distinct !DILexicalBlock(scope: !6, file: !1, line: 7, column: 7)
!12 = distinct !DISubprogram(linkageName: "_ZL3barv", scope: !1, file: !1, line: 20, scopeLine: 20, unit: !0)
!13 = distinct !DISubprogram(linkageName: "recursive", scope: !1, file: !1, line: 20, scopeLine: 20, unit: !0)
!14 = !DILocation(line: 21, column: 3, scope: !13)
!15 = !DILocation(line: 22, column: 3, scope: !13)
!16 = !DILocation(line: 7, column: 3, scope: !6)
!17 = distinct !DISubprogram(linkageName: "no_inline", scope: !1, file: !1, line: 20, scopeLine: 20, unit: !0)