mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
38 lines
1.5 KiB
LLVM
38 lines
1.5 KiB
LLVM
|
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-apple-macosx10.7.0"
|
||
|
|
|
||
|
|
; In the code below we need to copy the EFLAGS because of scheduling constraints.
|
||
|
|
; When copying the EFLAGS we need to write to the stack with push/pop. This forces
|
||
|
|
; us to emit the prolog.
|
||
|
|
|
||
|
|
; CHECK: main
|
||
|
|
; CHECK: subq{{.*}}rsp
|
||
|
|
; CHECK: ret
|
||
|
|
define i32 @main(i32 %arg, i8** %arg1) nounwind {
|
||
|
|
bb:
|
||
|
|
%tmp = alloca i32, align 4 ; [#uses=3 type=i32*]
|
||
|
|
%tmp2 = alloca i32, align 4 ; [#uses=3 type=i32*]
|
||
|
|
%tmp3 = alloca i32 ; [#uses=1 type=i32*]
|
||
|
|
store i32 1, i32* %tmp, align 4
|
||
|
|
store i32 1, i32* %tmp2, align 4
|
||
|
|
br label %bb4
|
||
|
|
|
||
|
|
bb4: ; preds = %bb4, %bb
|
||
|
|
%tmp6 = load i32* %tmp2, align 4 ; [#uses=1 type=i32]
|
||
|
|
%tmp7 = add i32 %tmp6, -1 ; [#uses=2 type=i32]
|
||
|
|
store i32 %tmp7, i32* %tmp2, align 4
|
||
|
|
%tmp8 = icmp eq i32 %tmp7, 0 ; [#uses=1 type=i1]
|
||
|
|
%tmp9 = load i32* %tmp ; [#uses=1 type=i32]
|
||
|
|
%tmp10 = add i32 %tmp9, -1 ; [#uses=1 type=i32]
|
||
|
|
store i32 %tmp10, i32* %tmp3
|
||
|
|
br i1 %tmp8, label %bb11, label %bb4
|
||
|
|
|
||
|
|
bb11: ; preds = %bb4
|
||
|
|
%tmp12 = load i32* %tmp, align 4 ; [#uses=1 type=i32]
|
||
|
|
ret i32 %tmp12
|
||
|
|
}
|
||
|
|
|
||
|
|
|