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
|
; RUN: llvm-upgrade < %s | llvm-as | llc
%a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
%b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
;; shl
%a_shl_str = internal constant [14 x sbyte] c"a << %d = %d\0A\00"
declare int %printf(sbyte*, ...)
%A = global int 2
%B = global int 5
int %main() {
entry:
%a = load int* %A
%b = load int* %B
%a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
%b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
%a_shl_s = getelementptr [14 x sbyte]* %a_shl_str, long 0, long 0
call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
call int (sbyte*, ...)* %printf(sbyte* %b_s, int %b)
br label %shl_test
shl_test:
;; test left shifts 0-31
%s = phi ubyte [ 0, %entry ], [ %s_inc, %shl_test ]
%result = shl int %a, ubyte %s
call int (sbyte*, ...)* %printf(sbyte* %a_shl_s, ubyte %s, int %result)
%s_inc = add ubyte %s, 1
%done = seteq ubyte %s, 32
br bool %done, label %fini, label %shl_test
fini:
ret int 0
}
|
