File: inline-call-penalty-option.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (28 lines) | stat: -rw-r--r-- 778 bytes parent folder | download | duplicates (3)
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
; Check that calls are not inlined if the call penalty is low. The value of the
; call penalty is provided with the '--inline-call-penalty' option.
;
; RUN: opt < %s -inline --inline-call-penalty=0 --inline-threshold=5 -S | FileCheck %s
; RUN: opt < %s -inline --inline-threshold=5 -S | FileCheck %s -check-prefix=DEFAULT_CALL_PENALTY

define i32 @X9(i32 %x) nounwind {
  %x2 = add i32 %x, %x
  %x3 = add i32 %x2, %x
  %x4 = add i32 %x3, %x
  %x5 = add i32 %x4, %x
  %x6 = add i32 %x5, %x
  %x7 = add i32 %x6, %x
  %x8 = add i32 %x7, %x
  %x9 = add i32 %x8, %x

  ret i32 %x9
}

define i32 @f1(i32 %x) nounwind {
  %res = call i32 @X9(i32 %x)
  ret i32 %res
; CHECK-LABEL: @f1(
; CHECK: %res = call i32 @X9

; DEFAULT_CALL_PENALTY-LABEL: @f1(
; DEFAULT_CALL_PENALTY-NOT: call
}