mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
5fcba11b23
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179047 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
881 B
LLVM
31 lines
881 B
LLVM
; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
|
|
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
|
|
; RUN: diff %t1.ll %t2.ll
|
|
; RUN: llvm-as < %s | lli --force-interpreter=true | FileCheck %s
|
|
; CHECK: -255
|
|
|
|
@ARRAY = global [ 20 x i17 ] zeroinitializer
|
|
@FORMAT = constant [ 4 x i8 ] c"%d\0A\00"
|
|
|
|
declare i32 @printf(i8* %format, ...)
|
|
|
|
define void @multiply(i32 %index, i32 %X, i32 %Y) {
|
|
%Z = mul i32 %X, %Y
|
|
%P = getelementptr [20 x i17]* @ARRAY, i32 0, i32 %index
|
|
%Result = trunc i32 %Z to i17
|
|
store i17 %Result, i17* %P
|
|
ret void
|
|
}
|
|
|
|
define i32 @main(i32 %argc, i8** %argv) {
|
|
%i = bitcast i32 0 to i32
|
|
call void @multiply(i32 %i, i32 -1, i32 255)
|
|
%P = getelementptr [20 x i17]* @ARRAY, i32 0, i32 0
|
|
%X = load i17* %P
|
|
%result = sext i17 %X to i32
|
|
%fmt = getelementptr [4 x i8]* @FORMAT, i32 0, i32 0
|
|
call i32 (i8*,...)* @printf(i8* %fmt, i32 %result)
|
|
ret i32 0
|
|
}
|
|
|