mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
53a66d10f0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47296 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.3 KiB
LLVM
33 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | llc
|
|
|
|
@a_str = internal constant [8 x i8] c"a = %d\0A\00" ; <[8 x i8]*> [#uses=1]
|
|
@b_str = internal constant [8 x i8] c"b = %d\0A\00" ; <[8 x i8]*> [#uses=1]
|
|
@a_mul_str = internal constant [13 x i8] c"a * %d = %d\0A\00" ; <[13 x i8]*> [#uses=1]
|
|
@A = global i32 2 ; <i32*> [#uses=1]
|
|
@B = global i32 5 ; <i32*> [#uses=1]
|
|
|
|
declare i32 @printf(i8*, ...)
|
|
|
|
define i32 @main() {
|
|
entry:
|
|
%a = load i32* @A ; <i32> [#uses=2]
|
|
%b = load i32* @B ; <i32> [#uses=1]
|
|
%a_s = getelementptr [8 x i8]* @a_str, i64 0, i64 0 ; <i8*> [#uses=1]
|
|
%b_s = getelementptr [8 x i8]* @b_str, i64 0, i64 0 ; <i8*> [#uses=1]
|
|
%a_mul_s = getelementptr [13 x i8]* @a_mul_str, i64 0, i64 0 ; <i8*> [#uses=1]
|
|
call i32 (i8*, ...)* @printf( i8* %a_s, i32 %a ) ; <i32>:0 [#uses=0]
|
|
call i32 (i8*, ...)* @printf( i8* %b_s, i32 %b ) ; <i32>:1 [#uses=0]
|
|
br label %shl_test
|
|
|
|
shl_test: ; preds = %shl_test, %entry
|
|
%s = phi i32 [ 0, %entry ], [ %s_inc, %shl_test ] ; <i32> [#uses=4]
|
|
%result = mul i32 %a, %s ; <i32> [#uses=1]
|
|
call i32 (i8*, ...)* @printf( i8* %a_mul_s, i32 %s, i32 %result ) ; <i32>:2 [#uses=0]
|
|
%s_inc = add i32 %s, 1 ; <i32> [#uses=1]
|
|
%done = icmp eq i32 %s, 256 ; <i1> [#uses=1]
|
|
br i1 %done, label %fini, label %shl_test
|
|
|
|
fini: ; preds = %shl_test
|
|
ret i32 0
|
|
}
|