mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-20 09:30:43 +00:00
37 lines
651 B
LLVM
37 lines
651 B
LLVM
|
; RUN: llvm-as < %s | opt -sccp | llvm-dis | grep undef | count 1
|
||
|
|
; PR1938
|
||
|
|
|
||
|
|
define i32 @main() {
|
||
|
|
entry:
|
||
|
|
br label %bb
|
||
|
|
|
||
|
|
bb:
|
||
|
|
%indvar = phi i32 [ 0, %entry ], [ %k, %bb.backedge ]
|
||
|
|
%k = add i32 %indvar, 1
|
||
|
|
br i1 undef, label %cond_true, label %cond_false
|
||
|
|
|
||
|
|
cond_true:
|
||
|
|
%tmp97 = icmp slt i32 %k, 10
|
||
|
|
br i1 %tmp97, label %bb.backedge, label %bb12
|
||
|
|
|
||
|
|
bb.backedge:
|
||
|
|
br label %bb
|
||
|
|
|
||
|
|
cond_false:
|
||
|
|
%tmp9 = icmp slt i32 %k, 10
|
||
|
|
br i1 %tmp9, label %bb.backedge, label %bb12
|
||
|
|
|
||
|
|
bb12:
|
||
|
|
%tmp14 = icmp eq i32 %k, 10
|
||
|
|
br i1 %tmp14, label %cond_next18, label %cond_true17
|
||
|
|
|
||
|
|
cond_true17:
|
||
|
|
tail call void @abort( )
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
cond_next18:
|
||
|
|
ret i32 0
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @abort()
|