mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-16 11:05:54 +00:00
f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.1 KiB
LLVM
34 lines
1.1 KiB
LLVM
; This test shows SCCP "proving" that the loop (from bb6 to 14) loops infinitely
|
|
; this is in fact NOT the case, so the return should still be alive in the code
|
|
; after sccp and CFG simplification have been performed.
|
|
;
|
|
; RUN: opt < %s -sccp -simplifycfg -S | \
|
|
; RUN: grep ret
|
|
|
|
define void @old_main() {
|
|
bb3:
|
|
br label %bb6
|
|
bb6: ; preds = %bb14, %bb3
|
|
%reg403 = phi i32 [ %reg155, %bb14 ], [ 0, %bb3 ] ; <i32> [#uses=1]
|
|
%reg155 = add i32 %reg403, 1 ; <i32> [#uses=2]
|
|
br label %bb11
|
|
bb11: ; preds = %bb11, %bb6
|
|
%reg407 = phi i32 [ %reg408, %bb11 ], [ 0, %bb6 ] ; <i32> [#uses=2]
|
|
%reg408 = add i32 %reg407, 1 ; <i32> [#uses=1]
|
|
%cond550 = icmp sle i32 %reg407, 1 ; <i1> [#uses=1]
|
|
br i1 %cond550, label %bb11, label %bb12
|
|
bb12: ; preds = %bb11
|
|
br label %bb13
|
|
bb13: ; preds = %bb13, %bb12
|
|
%reg409 = phi i32 [ %reg410, %bb13 ], [ 0, %bb12 ] ; <i32> [#uses=1]
|
|
%reg410 = add i32 %reg409, 1 ; <i32> [#uses=2]
|
|
%cond552 = icmp sle i32 %reg410, 2 ; <i1> [#uses=1]
|
|
br i1 %cond552, label %bb13, label %bb14
|
|
bb14: ; preds = %bb13
|
|
%cond553 = icmp sle i32 %reg155, 31 ; <i1> [#uses=1]
|
|
br i1 %cond553, label %bb6, label %bb15
|
|
bb15: ; preds = %bb14
|
|
ret void
|
|
}
|
|
|