3e39cfe5b4
This reverts commit 0c03f48480f69b854f86d31235425b5cb71ac921. Going to fix forward size regression instead due to more dependent patches needing to be reverted otherwise.
234 lines
15 KiB
LLVM
234 lines
15 KiB
LLVM
; REQUIRES: asserts
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; Test for CSSPGO's SampleContextTracker to make sure context profile tree is promoted and merged properly
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; based on inline decision, so post inline counts are accurate.
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;; The order of nodes within Context Profile Tree depends on the implmementation of std::hash<std::string>.
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;; Using check-dag instead of check-next.
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; Note that we need new pass manager to enable top-down processing for sample profile loader
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profile-context-tracker.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=200 -debug-only=sample-context-tracker -o /dev/null 2>&1 | FileCheck %s --check-prefix=INLINE-ALL
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profile-context-tracker.prof -sample-profile-prioritized-inline=0 -sample-profile-inline-size=0 -debug-only=sample-context-tracker -o /dev/null 2>&1 | FileCheck %s --check-prefix=INLINE-HOT
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; Test we inlined the following in top-down order and promot rest not inlined context profile into base profile
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; main:3 @ _Z5funcAi
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; main:3 @ _Z5funcAi:1 @ _Z8funcLeafi
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; _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-ALL: Getting base profile for function: main
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; INLINE-ALL-NEXT: Merging context profile into base profile: main
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; INLINE-ALL-NEXT: Found context tree root to promote: external:12 @ main
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; INLINE-ALL-NEXT: Context promoted and merged to: main
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; INLINE-ALL-NEXT: Getting callee context for instr: %call = tail call i32 @_Z5funcBi
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; INLINE-ALL-NEXT: Callee context found: main:3.1 @ _Z5funcBi
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; INLINE-ALL-NEXT: Getting callee context for instr: %call1 = tail call i32 @_Z5funcAi
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; INLINE-ALL-NEXT: Callee context found: main:3 @ _Z5funcAi
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; INLINE-ALL-NEXT: Marking context profile as inlined: main:3 @ _Z5funcAi
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; INLINE-ALL-NEXT: Getting callee context for instr: %call.i = tail call i32 @_Z8funcLeafi
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; INLINE-ALL-NEXT: Callee context found: main:3 @ _Z5funcAi:1 @ _Z8funcLeafi
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; INLINE-ALL-NEXT: Marking context profile as inlined: main:3 @ _Z5funcAi:1 @ _Z8funcLeafi
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; INLINE-ALL-NEXT: Getting callee context for instr: %call.i2 = tail call i32 @_Z3fibi
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; INLINE-ALL-NEXT: Getting callee context for instr: %call5.i = tail call i32 @_Z3fibi
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; INLINE-ALL-DAG: Getting base profile for function: _Z5funcAi
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; INLINE-ALL-DAG-NEXT: Merging context profile into base profile: _Z5funcAi
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; INLINE-ALL-DAG: Getting base profile for function: _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Merging context profile into base profile: _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Found context tree root to promote: external:10 @ _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Context promoted to: _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Found context tree root to promote: externalA:17 @ _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Context promoted and merged to: _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Found context tree root to promote: main:3.1 @ _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Context promoted and merged to: _Z5funcBi
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; INLINE-ALL-DAG-NEXT: Context promoted to: _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-ALL-DAG-NEXT: Getting callee context for instr: %call = tail call i32 @_Z8funcLeafi
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; INLINE-ALL-DAG-NEXT: Callee context found: _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-ALL-DAG-NEXT: Marking context profile as inlined: _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-ALL-DAG-NEXT: Getting callee context for instr: %call.i = tail call i32 @_Z3fibi
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; INLINE-ALL-DAG-NEXT: Getting callee context for instr: %call5.i = tail call i32 @_Z3fibi
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; INLINE-ALL: Getting base profile for function: _Z8funcLeafi
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; INLINE-ALL-NEXT: Merging context profile into base profile: _Z8funcLeafi
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; Test we inlined the following in top-down order and promot rest not inlined context profile into base profile
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; _Z5funcAi:1 @ _Z8funcLeafi
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; _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-HOT: Getting base profile for function: main
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; INLINE-HOT-NEXT: Merging context profile into base profile: main
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; INLINE-HOT-NEXT: Found context tree root to promote: external:12 @ main
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; INLINE-HOT-NEXT: Context promoted and merged to: main
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; INLINE-HOT-NEXT: Getting callee context for instr: %call = tail call i32 @_Z5funcBi
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; INLINE-HOT-NEXT: Callee context found: main:3.1 @ _Z5funcBi
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; INLINE-HOT-NEXT: Getting callee context for instr: %call1 = tail call i32 @_Z5funcAi
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; INLINE-HOT-NEXT: Callee context found: main:3 @ _Z5funcAi
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; INLINE-HOT-DAG: Getting base profile for function: _Z5funcAi
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; INLINE-HOT-DAG-NEXT: Merging context profile into base profile: _Z5funcAi
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; INLINE-HOT-DAG-NEXT: Found context tree root to promote: main:3 @ _Z5funcAi
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; INLINE-HOT-DAG-NEXT: Context promoted to: _Z5funcAi
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; INLINE-HOT-DAG-NEXT: Context promoted to: _Z5funcAi:1 @ _Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Getting callee context for instr: %call = tail call i32 @_Z8funcLeafi(i32 %add), !dbg !50
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; INLINE-HOT-DAG-NEXT: Callee context found: _Z5funcAi:1 @ _Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Marking context profile as inlined: _Z5funcAi:1 @ _Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Getting callee context for instr: %call.i = tail call i32 @_Z3fibi(i32 %tmp.i) #2, !dbg !62
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; INLINE-HOT-DAG-NEXT: Getting callee context for instr: %call5.i = tail call i32 @_Z3fibi(i32 %tmp1.i) #2, !dbg !69
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; INLINE-HOT-DAG: Getting base profile for function: _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Merging context profile into base profile: _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Found context tree root to promote: external:10 @ _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Context promoted to: _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Found context tree root to promote: externalA:17 @ _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Context promoted and merged to: _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Found context tree root to promote: main:3.1 @ _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Context promoted and merged to: _Z5funcBi
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; INLINE-HOT-DAG-NEXT: Context promoted to: _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Getting callee context for instr: %call = tail call i32 @_Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Callee context found: _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Marking context profile as inlined: _Z5funcBi:1 @ _Z8funcLeafi
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; INLINE-HOT-DAG-NEXT: Getting callee context for instr: %call.i = tail call i32 @_Z3fibi
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; INLINE-HOT-DAG-NEXT: Getting callee context for instr: %call5.i = tail call i32 @_Z3fibi
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; INLINE-HOT: Getting base profile for function: _Z8funcLeafi
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; INLINE-HOT-NEXT: Merging context profile into base profile: _Z8funcLeafi
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@factor = dso_local global i32 3, align 4, !dbg !0
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define dso_local i32 @main() local_unnamed_addr #0 !dbg !18 {
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entry:
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br label %for.body, !dbg !25
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for.cond.cleanup: ; preds = %for.body
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ret i32 %add3, !dbg !27
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for.body: ; preds = %for.body, %entry
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%x.011 = phi i32 [ 300000, %entry ], [ %dec, %for.body ]
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%r.010 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
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%call = tail call i32 @_Z5funcBi(i32 %x.011), !dbg !32
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%add = add nuw nsw i32 %x.011, 1, !dbg !31
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%call1 = tail call i32 @_Z5funcAi(i32 %add), !dbg !28
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%add2 = add i32 %call, %r.010, !dbg !34
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%add3 = add i32 %add2, %call1, !dbg !35
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%dec = add nsw i32 %x.011, -1, !dbg !36
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%cmp = icmp eq i32 %x.011, 0, !dbg !38
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br i1 %cmp, label %for.cond.cleanup, label %for.body, !dbg !25
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}
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define dso_local i32 @_Z5funcAi(i32 %x) local_unnamed_addr #1 !dbg !40 {
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entry:
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%add = add nsw i32 %x, 100000, !dbg !44
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%call = tail call i32 @_Z8funcLeafi(i32 %add), !dbg !45
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ret i32 %call, !dbg !46
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}
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define dso_local i32 @_Z8funcLeafi(i32 %x) local_unnamed_addr #1 !dbg !54 {
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entry:
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%cmp = icmp sgt i32 %x, 0, !dbg !57
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br i1 %cmp, label %while.body, label %while.cond2.preheader, !dbg !59
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while.cond2.preheader: ; preds = %entry
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%cmp313 = icmp slt i32 %x, 0, !dbg !60
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br i1 %cmp313, label %while.body4, label %if.end, !dbg !63
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while.body: ; preds = %while.body, %entry
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%x.addr.016 = phi i32 [ %sub, %while.body ], [ %x, %entry ]
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%tmp = load volatile i32, ptr @factor, align 4, !dbg !64
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%call = tail call i32 @_Z3fibi(i32 %tmp), !dbg !67
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%sub = sub nsw i32 %x.addr.016, %call, !dbg !68
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%cmp1 = icmp sgt i32 %sub, 0, !dbg !69
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br i1 %cmp1, label %while.body, label %if.end, !dbg !71
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while.body4: ; preds = %while.body4, %while.cond2.preheader
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%x.addr.114 = phi i32 [ %add, %while.body4 ], [ %x, %while.cond2.preheader ]
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%tmp1 = load volatile i32, ptr @factor, align 4, !dbg !72
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%call5 = tail call i32 @_Z3fibi(i32 %tmp1), !dbg !74
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%add = add nsw i32 %call5, %x.addr.114, !dbg !75
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%cmp3 = icmp slt i32 %add, 0, !dbg !60
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br i1 %cmp3, label %while.body4, label %if.end, !dbg !63
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if.end: ; preds = %while.body4, %while.body, %while.cond2.preheader
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%x.addr.2 = phi i32 [ 0, %while.cond2.preheader ], [ %sub, %while.body ], [ %add, %while.body4 ]
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ret i32 %x.addr.2, !dbg !76
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}
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define dso_local i32 @_Z5funcBi(i32 %x) local_unnamed_addr #0 !dbg !47 {
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entry:
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%sub = add nsw i32 %x, -100000, !dbg !51
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%call = tail call i32 @_Z8funcLeafi(i32 %sub), !dbg !52
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ret i32 %call, !dbg !53
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}
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declare i32 @_Z3fibi(i32)
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attributes #0 = { nofree noinline norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" "use-sample-profile" }
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attributes #1 = { nofree norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" "use-sample-profile" }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!14, !15, !16}
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!llvm.ident = !{!17}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "factor", scope: !2, file: !3, line: 21, type: !13, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !12, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
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!3 = !DIFile(filename: "merged.cpp", directory: "/local/autofdo")
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!4 = !{}
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!5 = !{!6, !10, !11}
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!6 = !DISubprogram(name: "funcA", linkageName: "_Z5funcAi", scope: !3, file: !3, line: 6, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, !9}
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !DISubprogram(name: "funcB", linkageName: "_Z5funcBi", scope: !3, file: !3, line: 7, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
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!11 = !DISubprogram(name: "funcLeaf", linkageName: "_Z8funcLeafi", scope: !3, file: !3, line: 22, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
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!12 = !{!0}
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!13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !9)
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!14 = !{i32 7, !"Dwarf Version", i32 4}
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!16 = !{i32 1, !"wchar_size", i32 4}
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!17 = !{!"clang version 11.0.0"}
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!18 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 11, type: !19, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !21)
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!19 = !DISubroutineType(types: !20)
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!20 = !{!9}
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!21 = !{!22, !23}
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!22 = !DILocalVariable(name: "r", scope: !18, file: !3, line: 12, type: !9)
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!23 = !DILocalVariable(name: "x", scope: !24, file: !3, line: 13, type: !9)
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!24 = distinct !DILexicalBlock(scope: !18, file: !3, line: 13, column: 3)
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!25 = !DILocation(line: 13, column: 3, scope: !26)
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!26 = !DILexicalBlockFile(scope: !24, file: !3, discriminator: 2)
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!27 = !DILocation(line: 17, column: 3, scope: !18)
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!28 = !DILocation(line: 14, column: 10, scope: !29)
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!29 = distinct !DILexicalBlock(scope: !30, file: !3, line: 13, column: 37)
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!30 = distinct !DILexicalBlock(scope: !24, file: !3, line: 13, column: 3)
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!31 = !DILocation(line: 14, column: 29, scope: !29)
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!32 = !DILocation(line: 14, column: 21, scope: !33)
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!33 = !DILexicalBlockFile(scope: !29, file: !3, discriminator: 2)
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!34 = !DILocation(line: 14, column: 19, scope: !29)
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!35 = !DILocation(line: 14, column: 7, scope: !29)
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!36 = !DILocation(line: 13, column: 33, scope: !37)
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!37 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 6)
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!38 = !DILocation(line: 13, column: 26, scope: !39)
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!39 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 2)
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!40 = distinct !DISubprogram(name: "funcA", linkageName: "_Z5funcAi", scope: !3, file: !3, line: 26, type: !7, scopeLine: 26, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!44 = !DILocation(line: 27, column: 22, scope: !40)
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!45 = !DILocation(line: 27, column: 11, scope: !40)
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!46 = !DILocation(line: 29, column: 3, scope: !40)
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!47 = distinct !DISubprogram(name: "funcB", linkageName: "_Z5funcBi", scope: !3, file: !3, line: 32, type: !7, scopeLine: 32, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!51 = !DILocation(line: 33, column: 22, scope: !47)
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!52 = !DILocation(line: 33, column: 11, scope: !47)
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!53 = !DILocation(line: 35, column: 3, scope: !47)
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!54 = distinct !DISubprogram(name: "funcLeaf", linkageName: "_Z8funcLeafi", scope: !3, file: !3, line: 48, type: !7, scopeLine: 48, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!57 = !DILocation(line: 49, column: 9, scope: !58)
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!58 = distinct !DILexicalBlock(scope: !54, file: !3, line: 49, column: 7)
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!59 = !DILocation(line: 49, column: 7, scope: !54)
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!60 = !DILocation(line: 58, column: 14, scope: !61)
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!61 = !DILexicalBlockFile(scope: !62, file: !3, discriminator: 2)
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!62 = distinct !DILexicalBlock(scope: !58, file: !3, line: 56, column: 8)
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!63 = !DILocation(line: 58, column: 5, scope: !61)
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!64 = !DILocation(line: 52, column: 16, scope: !65)
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!65 = distinct !DILexicalBlock(scope: !66, file: !3, line: 51, column: 19)
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!66 = distinct !DILexicalBlock(scope: !58, file: !3, line: 49, column: 14)
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!67 = !DILocation(line: 52, column: 12, scope: !65)
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!68 = !DILocation(line: 52, column: 9, scope: !65)
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!69 = !DILocation(line: 51, column: 14, scope: !70)
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!70 = !DILexicalBlockFile(scope: !66, file: !3, discriminator: 2)
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!71 = !DILocation(line: 51, column: 5, scope: !70)
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!72 = !DILocation(line: 59, column: 16, scope: !73)
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!73 = distinct !DILexicalBlock(scope: !62, file: !3, line: 58, column: 19)
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!74 = !DILocation(line: 59, column: 12, scope: !73)
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!75 = !DILocation(line: 59, column: 9, scope: !73)
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!76 = !DILocation(line: 63, column: 3, scope: !54)
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