File: bounds-checks.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (41 lines) | stat: -rw-r--r-- 1,407 bytes parent folder | download | duplicates (5)
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
30
31
32
33
34
35
36
37
38
39
40
41
; Test behavior when inlining policy grows size out of control.
; In all cases, the end result is the same: mandatory inlinings must happen.
; However, when we discover we 'trip' over the artificially-low size increase 
; factor, we don't inline anymore.
; REQUIRES: have_tf_aot
; RUN: opt -passes=scc-oz-module-inliner -enable-ml-inliner=release -ml-advisor-size-increase-threshold=10.0 -S < %s 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=NOBOUNDS
; RUN: opt -passes=scc-oz-module-inliner -enable-ml-inliner=release -ml-advisor-size-increase-threshold=1.0 -S < %s 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=BOUNDS

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-grtev4-linux-gnu"

declare i64 @f1()

define i64 @f2() #0 {
  %r = call i64 @f1()
  %r2 = add i64 13, %r
  ret i64 %r2
}

define i64 @some_function() {
  %r = call i64 @f1()
  %r2 = add i64 13, %r
  ret i64 %r2
}

define i64 @top() {
  %r = call i64 @f2()
  %r2 = call i64 @some_function()
  %r3 = add i64 %r, %r2
  ret i64 %r3
}

attributes #0 = { alwaysinline }

; CHECK-LABEL: @top
; f2 must always be inlined, so we won't find a call to it in @top()
; CHECK-NOT: call i64 @f2
; @some-function isn't mandatory, and when we set the increase threshold too low,
; it won't be inlined.
; NOBOUNDS-NOT: @some_function
; BOUNDS: call i64 @some_function