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8482e48d19
Summary: This patch computes the synthetic function entry count on the whole program callgraph (based on module summary) and writes the entry counts to the summary. After function importing, this count gets attached to the IR as metadata. Since it adds a new field to the summary, this bumps up the version. Reviewers: tejohnson Subscribers: mehdi_amini, inglorion, llvm-commits Differential Revision: https://reviews.llvm.org/D43521 llvm-svn: 349076
22 lines
900 B
LLVM
22 lines
900 B
LLVM
; REQUIRES: x86-registered-target
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; RUN: opt -module-summary %s -o %t.o
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; Ensure synthetic entry count flag is not set on distributed index
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; RUN: llvm-lto2 run %t.o -o %t.out -thinlto-distributed-indexes \
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; RUN: -r %t.o,glob,plx -compute-dead=false
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; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s --check-prefix=NOSYNTHETIC
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; NOSYNTHETIC: <FLAGS op0=0/>
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; Ensure synthetic entry count flag is set on distributed index
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; when option used to enable synthetic count propagation
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; RUN: llvm-lto2 run %t.o -o %t.out -thinlto-distributed-indexes \
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; RUN: -r %t.o,glob,plx -thinlto-synthesize-entry-counts \
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; RUN: -compute-dead=false
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; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s --check-prefix=HASSYNTHETIC
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; HASSYNTHETIC: <FLAGS op0=4/>
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@glob = global i32 0
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