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
|
# Test code generation for retrieving function descriptors
# from the ADA when the ADA is extremely large and forces the
# generation of a different instruction sequence
# RUN: %python %s | llc -mtriple=s390x-ibm-zos -O2 | FileCheck %s
# CHECK: algfi 8,{{[0-9]+}}
# CHECK: la 8,0(8)
from __future__ import print_function
num_calls = 35000
print("define hidden signext i32 @main() {")
print("entry:")
for i in range(num_calls):
print(" call void @foo%d()" % i)
# This is added to force the use of register r8 to generate
# la 8, 0(8) which generates the algfi instruction
print('%0 = call ptr asm " LGR $0,$1\0A", "=r,{r8}"(ptr nonnull @foo)')
print(" call void @bar(ptr noundef %0)")
print("ret i32 0")
print("}")
for i in range(num_calls):
print("declare void @foo%d(...)" % i)
print("declare void @bar(ptr noundef)")
print("define internal void @foo() {")
print("entry:")
print(" ret void")
print(" }")
|
