File: branch-range-13.py

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (41 lines) | stat: -rw-r--r-- 826 bytes parent folder | download | duplicates (6) 
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 that inline assembly get the right size value so that a branch across
# a block containing them gets relaxed.

# RUN: %python %s | llc -mtriple=s390x-linux-gnu -mcpu=z196 -enable-post-misched=false \
# RUN:    | FileCheck %s

# Construct:
#
# entry:
#   branch to block
#
# block:
#   sequence of call asm
#   unconditional branch to block
#
# exit:
#   ret void

# CHECK-LABEL: f1
# CHECK: jg
# CHECK-NEXT: .Lfunc_end0:

from __future__ import print_function

num = 11000

print('define void @f1() {')
print('entry:')
print('  br label %block')
print('')
print('block:')

for i in range(num):
    print('  tail call i64 asm "lang\\09$0,$2,$1\\0A", "=d,=*Q,d,*Q"(i32* elementtype(i32) undef, i32 undef, i32* elementtype(i32) undef)')

print('  br label %block')

print('')
print('exit:')
print('  ret void')
print('}')