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Place the "cold" code piece into the same section as the original fun…
…ction Summary: This cropped up in the Linux kernel where cold code was placed in an incompatible section. Reviewers: compnerd, vsk, tejohnson Reviewed By: vsk Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D70925
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Original file line number | Diff line number | Diff line change |
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; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s | ||
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" | ||
target triple = "x86_64-apple-macosx10.14.0" | ||
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; Retain section after cold code is split off. | ||
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; CHECK-LABEL: @fun | ||
; CHECK: call void @fun.cold.1{{.*}} section ".text.cold" | ||
define void @fun() section ".text.cold" { | ||
entry: | ||
br i1 undef, label %if.then, label %if.else | ||
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if.then: | ||
ret void | ||
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if.else: | ||
call void @sink() | ||
ret void | ||
} | ||
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; CHECK: define {{.*}} @foo{{.*}}#[[outlined_func_attr:[0-9]+]] | ||
define void @foo() cold { | ||
ret void | ||
} | ||
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declare void @sink() cold | ||
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; CHECK: define {{.*}} @fun.cold.1{{.*}}#[[outlined_func_attr]] | ||
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; CHECK: attributes #[[outlined_func_attr]] = { | ||
; CHECK-SAME: cold | ||
; CHECK-SAME: minsize |