mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-04 22:07:27 +00:00
22 lines
531 B
LLVM
22 lines
531 B
LLVM
|
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis \
|
||
|
|
; RUN: | grep {icmp eq i2 %lsr.iv.next, %xmp4344}
|
||
|
|
|
||
|
|
; Don't reverse the iteration if the rhs of the compare is defined
|
||
|
|
; inside the loop.
|
||
|
|
|
||
|
|
define void @Fill_Buffer() nounwind {
|
||
|
|
entry:
|
||
|
|
br label %bb8
|
||
|
|
|
||
|
|
bb8:
|
||
|
|
%indvar34 = phi i32 [ 0, %entry ], [ %indvar.next35, %bb8 ]
|
||
|
|
%indvar3451 = trunc i32 %indvar34 to i2
|
||
|
|
%xmp4344 = xor i2 0, -1
|
||
|
|
%xmp104 = icmp eq i2 %indvar3451, %xmp4344
|
||
|
|
%indvar.next35 = add i32 %indvar34, 1
|
||
|
|
br i1 %xmp104, label %bb10, label %bb8
|
||
|
|
|
||
|
|
bb10:
|
||
|
|
unreachable
|
||
|
|
}
|