dde0be9d97
For memprof and callsite metadata we want to pick one deterministically and keep that even if one of them may be missing.
47 lines
1.9 KiB
LLVM
47 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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;; Test to ensure that memprof related metadata is not dropped when
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;; instructions are combined. Currently the metadata from the first instruction
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;; is kept, which prevents full loss of profile context information.
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; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define dso_local noundef nonnull ptr @_Z10test_rightb(i1 noundef zeroext %b) local_unnamed_addr #0 {
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; CHECK-LABEL: define dso_local noundef nonnull ptr @_Z10test_rightb(
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; CHECK-SAME: i1 noundef zeroext [[B:%.*]]) local_unnamed_addr {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call noalias noundef nonnull dereferenceable(4) ptr @_Znwm(i64 noundef 4), !memprof [[META0:![0-9]+]], !callsite [[META3:![0-9]+]]
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; CHECK-NEXT: ret ptr [[CALL]]
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;
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entry:
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br i1 %b, label %if.then, label %if.else
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if.then: ; preds = %entry
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%call = call noalias noundef nonnull dereferenceable(4) ptr @_Znwm(i64 noundef 4)
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br label %if.end
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if.else: ; preds = %entry
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%call1 = call noalias noundef nonnull dereferenceable(4) ptr @_Znwm(i64 noundef 4), !memprof !4, !callsite !7
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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%x.0 = phi ptr [ %call, %if.then ], [ %call1, %if.else ]
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ret ptr %x.0
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}
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declare ptr @_Znwm(i64) nounwind readonly
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!4 = !{!5}
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!5 = !{!6, !"cold"}
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!6 = !{i64 123, i64 -2101080423462424381, i64 5188446645037944434}
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!7 = !{i64 123}
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;.
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; CHECK: [[META0]] = !{[[META1:![0-9]+]]}
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; CHECK: [[META1]] = !{[[META2:![0-9]+]], !"cold"}
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; CHECK: [[META2]] = !{i64 123, i64 -2101080423462424381, i64 5188446645037944434}
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; CHECK: [[META3]] = !{i64 123}
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;.
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