File: inline-ptrtoint-different-sizes.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (40 lines) | stat: -rw-r--r-- 878 bytes parent folder | download | duplicates (14) 
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
 
; RUN: opt < %s -passes=inline -S | FileCheck %s

; InlineCost used to have problems with the ptrtoint, leading to
; crashes when visiting the trunc in pr47969_help and the icmp in
; pr38500_help.

target datalayout = "p:16:16"
target triple = "x86_64-unknown-linux-gnu"

define void @pr47969_help(ptr %p) {
  %cast = ptrtoint ptr %p to i32
  %sub = sub i32 %cast, %cast
  %conv = trunc i32 %sub to i16
  ret void
}

define void @pr47969(ptr %x) {
  call void @pr47969_help(ptr %x)
  ret void
}

; CHECK-LABEL: @pr47969(ptr %x)
; CHECK-NOT:     call
; CHECK:         ret void

define void @pr38500_help(ptr %p) {
  %cast = ptrtoint ptr %p to i32
  %sub = sub i32 %cast, %cast
  %cmp = icmp eq i32 %sub, 0
  ret void
}

define void @pr38500(ptr %x) {
  call void @pr38500_help(ptr %x)
  ret void
}

; CHECK-LABEL: @pr38500(ptr %x)
; CHECK-NOT:     call
; CHECK:         ret void