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| author | Amir Ayupov <aaupov@fb.com> | 2024-05-30 17:32:20 -0700 |
|---|---|---|
| committer | Amir Ayupov <aaupov@fb.com> | 2024-05-30 17:48:12 -0700 |
| commit | e9954ec087d640809082f46d1c7e5ac1767b798d (patch) | |
| tree | 9a65ced783f342759bb23599b404872bce833ee8 /bolt/test | |
| parent | f38d84ce328c2acdce372680a41d8cf6c1bdf7c4 (diff) | |
| download | llvm-e9954ec087d640809082f46d1c7e5ac1767b798d.zip llvm-e9954ec087d640809082f46d1c7e5ac1767b798d.tar.gz llvm-e9954ec087d640809082f46d1c7e5ac1767b798d.tar.bz2 | |
[BOLT] Detect .warm split functions as cold fragments (#93759)
CDSplit splits functions up to three ways: main fragment with no suffix,
and fragments with .cold and .warm suffixes.
Add .warm suffix to the regex used to recognize split fragments.
Test Plan: updated register-fragments-bolt-symbols.s
Diffstat (limited to 'bolt/test')
| -rw-r--r-- | bolt/test/X86/register-fragments-bolt-symbols.s | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/bolt/test/X86/register-fragments-bolt-symbols.s b/bolt/test/X86/register-fragments-bolt-symbols.s index 90c402b..d4f39b7 100644 --- a/bolt/test/X86/register-fragments-bolt-symbols.s +++ b/bolt/test/X86/register-fragments-bolt-symbols.s @@ -3,8 +3,20 @@ # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %S/cdsplit-symbol-names.s -o %t.main.o # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.chain.o # RUN: link_fdata %S/cdsplit-symbol-names.s %t.main.o %t.fdata -# RUN: sed -i 's|chain|chain/2|g' %t.fdata # RUN: llvm-strip --strip-unneeded %t.main.o + +## Check warm fragment name matching (produced by cdsplit) +# RUN: %clang %cflags %t.main.o -o %t.warm.exe -Wl,-q +# RUN: llvm-bolt %t.warm.exe -o %t.warm.bolt --split-functions --split-strategy=cdsplit \ +# RUN: --call-scale=2 --data=%t.fdata --reorder-blocks=ext-tsp --enable-bat +# RUN: link_fdata %s %t.warm.bolt %t.preagg.warm PREAGGWARM +# PREAGGWARM: B X:0 #chain.warm# 1 0 +# RUN: perf2bolt %t.warm.bolt -p %t.preagg.warm --pa -o %t.warm.fdata -w %t.warm.yaml \ +# RUN: -v=1 | FileCheck %s --check-prefix=CHECK-BOLT-WARM + +# CHECK-BOLT-WARM: marking chain.warm/1(*2) as a fragment of chain + +# RUN: sed -i 's|chain|chain/2|g' %t.fdata # RUN: llvm-objcopy --localize-symbol=chain %t.main.o # RUN: %clang %cflags %t.chain.o %t.main.o -o %t.exe -Wl,-q # RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --split-strategy=randomN \ |