64f4ceb09e
A related change is https://reviews.llvm.org/D133121, which correctly preserves both branch weights and value profiles for invoke instruction. * If the branch weight of the `invokeinst` specifies taken / not-taken branches, there is no scale.
83 lines
2.5 KiB
LLVM
83 lines
2.5 KiB
LLVM
; Test that branch weights and value profiles associated with invoke are updated
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; in both caller and callee after inline, but invoke instructions with taken or
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; not taken branch probabilities are not updated.
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; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -S | FileCheck %s
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declare i32 @__gxx_personality_v0(...)
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define void @caller(ptr %func) personality ptr @__gxx_personality_v0 !prof !15 {
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call void @callee(ptr %func), !prof !16
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ret void
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}
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declare void @callee1(ptr %func)
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declare void @callee2(ptr %func)
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define void @callee(ptr %func) personality ptr @__gxx_personality_v0 !prof !17 {
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invoke void %func()
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to label %next unwind label %lpad, !prof !18
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next:
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invoke void @callee1(ptr %func)
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to label %cont unwind label %lpad, !prof !19
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cont:
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invoke void @callee2(ptr %func)
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to label %ret unwind label %lpad, !prof !20
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lpad:
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%exn = landingpad {ptr, i32}
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cleanup
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unreachable
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ret:
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ret void
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}
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!llvm.module.flags = !{!1}
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!1 = !{i32 1, !"ProfileSummary", !2}
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!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
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!3 = !{!"ProfileFormat", !"SampleProfile"}
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!4 = !{!"TotalCount", i64 10000}
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!5 = !{!"MaxCount", i64 10}
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!6 = !{!"MaxInternalCount", i64 1}
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!7 = !{!"MaxFunctionCount", i64 2000}
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!8 = !{!"NumCounts", i64 2}
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!9 = !{!"NumFunctions", i64 2}
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!10 = !{!"DetailedSummary", !11}
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!11 = !{!12, !13, !14}
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!12 = !{i32 10000, i64 100, i32 1}
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!13 = !{i32 999000, i64 100, i32 1}
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!14 = !{i32 999999, i64 1, i32 2}
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!15 = !{!"function_entry_count", i64 1000}
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!16 = !{!"branch_weights", i64 1000}
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!17 = !{!"function_entry_count", i32 1500}
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!18 = !{!"VP", i32 0, i64 1500, i64 123, i64 900, i64 456, i64 600}
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!19 = !{!"branch_weights", i32 1500}
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!20 = !{!"branch_weights", i32 1234, i32 5678}
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; CHECK-LABEL: @caller(
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; CHECK: invoke void %func(
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; CHECK-NEXT: {{.*}} !prof ![[PROF1:[0-9]+]]
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; CHECK: invoke void @callee1(
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; CHECK-NEXT: {{.*}} !prof ![[PROF2:[0-9]+]]
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; CHECK: invoke void @callee2(
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; CHECK-NEXT: {{.*}} !prof ![[PROF3:[0-9]+]]
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; CHECK-LABL: @callee(
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; CHECK: invoke void %func(
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; CHECK-NEXT: {{.*}} !prof ![[PROF4:[0-9]+]]
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; CHECK: invoke void @callee1(
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; CHECK-NEXT: {{.*}} !prof ![[PROF5:[0-9]+]]
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; CHECK: invoke void @callee2(
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; CHECK-NEXT: {{.*}} !prof ![[PROF3]]
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; CHECK: ![[PROF1]] = !{!"VP", i32 0, i64 1000, i64 123, i64 600, i64 456, i64 400}
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; CHECK: ![[PROF2]] = !{!"branch_weights", i32 1000}
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; CHECK: ![[PROF3]] = !{!"branch_weights", i32 1234, i32 5678}
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; CHECK: ![[PROF4]] = !{!"VP", i32 0, i64 500, i64 123, i64 300, i64 456, i64 200}
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; CHECK: ![[PROF5]] = !{!"branch_weights", i32 500}
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