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ba3eb3f3a0
Summary: If a function is hot, put it in text.hot section. Reviewers: davidxl Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D17532 llvm-svn: 261607
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-pc-linux -group-functions-by-hotness=true | FileCheck %s -check-prefix=PARTITION
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; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -group-functions-by-hotness=false | FileCheck %s -check-prefix=NO-PARTITION-FUNCTION-SECTION
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; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -group-functions-by-hotness=true | FileCheck %s -check-prefix=PARTITION-FUNCTION-SECTION
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; PARTITION: .text.unlikely
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; PARTITION: .globl _Z3foov
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; NO-PARTITION-FUNCTION-SECTION: .text._Z3foov
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; PARTITION-FUNCTION-SECTION: .text.unlikely._Z3foov
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define i32 @_Z3foov() #0 {
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ret i32 0
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}
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; PARTITION: .globl _Z3barv
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; NO-PARTITION-FUNCTION-SECTION: .text._Z3barv
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; PARTITION-FUNCTION-SECTION: .text.unlikely._Z3barv
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define i32 @_Z3barv() #1 !prof !0 {
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ret i32 1
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}
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; PARTITION: .text
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; PARTITION: .globl _Z3bazv
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; NO-PARTITION-FUNCTION-SECTION: .text._Z3bazv
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; PARTITION-FUNCTION-SECTION: .text._Z3bazv
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define i32 @_Z3bazv() #1 {
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ret i32 2
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}
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attributes #0 = { nounwind uwtable cold }
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attributes #1 = { nounwind uwtable }
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!0 = !{!"function_entry_count", i64 0}
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