forked from OSchip/llvm-project
61 lines
2.2 KiB
LLVM
61 lines
2.2 KiB
LLVM
; RUN: opt < %s -passes=always-inline -S | FileCheck %s
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; Checks if always-inline updates branch_weights annotation for call instructions.
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declare void @ext();
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declare void @ext1();
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@func = global void ()* null
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; CHECK: define void @callee(i32 %n) #0 !prof ![[ENTRY_COUNT:[0-9]*]]
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define void @callee(i32 %n) #0 !prof !15 {
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%cond = icmp sle i32 %n, 10
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br i1 %cond, label %cond_true, label %cond_false
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cond_true:
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; ext1 is optimized away, thus not updated.
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; CHECK: call void @ext1(), !prof ![[COUNT_CALLEE1:[0-9]*]]
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call void @ext1(), !prof !16
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ret void
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cond_false:
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; ext is cloned and updated.
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; CHECK: call void @ext(), !prof ![[COUNT_CALLEE:[0-9]*]]
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call void @ext(), !prof !16
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%f = load void ()*, void ()** @func
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; CHECK: call void %f(), !prof ![[COUNT_IND_CALLEE:[0-9]*]]
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call void %f(), !prof !18
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ret void
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}
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; CHECK: define void @caller()
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define void @caller() {
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; CHECK: call void @ext(), !prof ![[COUNT_CALLER:[0-9]*]]
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; CHECK: call void %f.i(), !prof ![[COUNT_IND_CALLER:[0-9]*]]
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call void @callee(i32 15), !prof !17
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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", i32 2000}
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!17 = !{!"branch_weights", i32 400}
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!18 = !{!"VP", i32 0, i64 140, i64 111, i64 80, i64 222, i64 40, i64 333, i64 20}
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attributes #0 = { alwaysinline }
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; CHECK: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 600}
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; CHECK: ![[COUNT_CALLEE1]] = !{!"branch_weights", i32 2000}
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; CHECK: ![[COUNT_CALLEE]] = !{!"branch_weights", i32 1200}
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; CHECK: ![[COUNT_IND_CALLEE]] = !{!"VP", i32 0, i64 84, i64 111, i64 48, i64 222, i64 24, i64 333, i64 12}
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; CHECK: ![[COUNT_CALLER]] = !{!"branch_weights", i32 800}
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; CHECK: ![[COUNT_IND_CALLER]] = !{!"VP", i32 0, i64 56, i64 111, i64 32, i64 222, i64 16, i64 333, i64 8}
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