801394a3d7
Find cold blocks based on profile information (or optionally with static analysis). Forward propagate profile information to all cold-blocks. Outline a cold region. Set calling conv and prof hint for the callsite of the outlined function. Worked in collaboration with: Sebastian Pop <s.pop@samsung.com> Differential Revision: https://reviews.llvm.org/D50658 llvm-svn: 341669
35 lines
1.0 KiB
LLVM
35 lines
1.0 KiB
LLVM
; RUN: opt -hotcoldsplit -S < %s | FileCheck %s
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source_filename = "bugpoint-output-054409e.bc"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.13.0"
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declare i32 @__gxx_personality_v0(...)
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; Outlined function is called from a basic block named codeRepl
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; CHECK: codeRepl:
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; CHECK-NEXT: call coldcc void @foo
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; Check that no recursive outlining is done.
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; CHECK-NOT: codeRepl:
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; Function Attrs: ssp uwtable
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define hidden void @foo() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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entry:
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br i1 undef, label %if.then, label %if.end
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if.then: ; preds = %entry
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unreachable
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if.end: ; preds = %entry
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br label %if.then12
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if.then12: ; preds = %if.end
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br label %cleanup40
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cleanup40: ; preds = %if.then12
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br label %return
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return: ; preds = %cleanup40
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ret void
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}
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