mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
|
; RUN: opt -loopsimplify -S < %s | FileCheck %s
|
||
|
|
|
||
|
|
; LoopSimplify shouldn't split loop backedges that use indirectbr.
|
||
|
|
|
||
|
|
; CHECK: bb1: ; preds = %bb5, %bb
|
||
|
|
; CHECK-NEXT: indirectbr
|
||
|
|
|
||
|
|
; CHECK: bb5: ; preds = %bb1
|
||
|
|
; CHECK-NEXT: br label %bb1{{$}}
|
||
|
|
|
||
|
|
define void @foo(i8* %p) nounwind {
|
||
|
|
bb:
|
||
|
|
br label %bb1
|
||
|
|
|
||
|
|
bb1: ; preds = %bb5, %bb1, %bb
|
||
|
|
indirectbr i8* %p, [label %bb6, label %bb7, label %bb1, label %bb2, label %bb3, label %bb5, label %bb4]
|
||
|
|
|
||
|
|
bb2: ; preds = %bb1
|
||
|
|
ret void
|
||
|
|
|
||
|
|
bb3: ; preds = %bb1
|
||
|
|
ret void
|
||
|
|
|
||
|
|
bb4: ; preds = %bb1
|
||
|
|
ret void
|
||
|
|
|
||
|
|
bb5: ; preds = %bb1
|
||
|
|
br label %bb1
|
||
|
|
|
||
|
|
bb6: ; preds = %bb1
|
||
|
|
ret void
|
||
|
|
|
||
|
|
bb7: ; preds = %bb1
|
||
|
|
ret void
|
||
|
|
}
|