mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 06:30:19 +00:00
cd0aa818c8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17527 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
985 B
LLVM
36 lines
985 B
LLVM
; RUN: llvm-as < %s | 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
|
|
}
|