File: function_size_threshold.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (29 lines) | stat: -rw-r--r-- 1,094 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --implicit-check-not='llvm.instrprof.' --check-prefixes=CHECK,ALL
; RUN: opt < %s -passes=pgo-instr-gen -pgo-function-size-threshold=2 -S | FileCheck %s --implicit-check-not='llvm.instrprof.' --check-prefixes=CHECK,ALL
; RUN: opt < %s -passes=pgo-instr-gen -pgo-function-size-threshold=3 -S | FileCheck %s --implicit-check-not='llvm.instrprof.'
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; CHECK-LABEL: define i32 @small(
define i32 @small(i32 %i) {
  ; ALL: call void @llvm.instrprof.increment({{.*}})
  %add = add i32 %i, 4
  ret i32 %add
}

; CHECK-LABEL: define i32 @large(
define i32 @large(i32 %0) {
  ; CHECK: call void @llvm.instrprof.increment({{.*}})
  %2 = shl nsw i32 %0, 3
  %3 = or i32 %2, 4
  %4 = mul i32 %3, %0
  %5 = or i32 %4, 3
  %6 = sdiv i32 2, %0
  %7 = add nsw i32 %5, %6
  %8 = mul nsw i32 %0, %0
  %9 = udiv i32 5, %8
  %10 = add nsw i32 %7, %9
  ret i32 %10
}

; CHECK: declare void @llvm.instrprof.increment({{.*}})