Lee Wei ead9ad2960
[llvm] Remove br i1 undef from some regression tests [NFC] (#116739)
This PR removes tests with br i1 undef under
`llvm/tests/Transforms/JumpThreading, LCSSA, LICM, LoopDeletion,
LoopIdiom`.
2024-11-19 08:12:25 +00:00

36 lines
518 B
LLVM

; RUN: opt < %s -passes=lcssa -disable-output
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; PR28608
; Check that we don't crash on this test.
define void @foo(i1 %arg) {
entry:
br label %bb1
bb1:
br label %bb2
bb2:
%x = phi i32 [ undef, %bb5 ], [ undef, %bb1 ]
br i1 %arg, label %bb3, label %bb6
bb3:
br i1 %arg, label %bb5, label %bb4
bb4:
br label %bb6
bb5:
br label %bb2
bb6:
br label %bb1
exit:
%y = add i32 0, %x
ret void
}