[llvm] [JumpThreading] Thread over BB with only an unconditional branch (PR #86312)

[Quentin Dian via llvm-commits]

================
@@ -6,7 +6,7 @@ define void @test(ptr %P, ptr %Q, i1 %A, i1 %B) {
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    [[A_NOT:%.*]] = xor i1 [[A:%.*]], true
 ; CHECK-NEXT:    [[BRMERGE:%.*]] = select i1 [[A_NOT]], i1 true, i1 [[B:%.*]]
-; CHECK-NEXT:    br i1 [[BRMERGE]], label [[B:%.*]], label [[COMMON_RET:%.*]]
+; CHECK-NEXT:    br i1 [[BRMERGE]], label [[B]], label [[COMMON_RET:%.*]]
----------------
DianQK wrote:

Please discard this change.

https://github.com/llvm/llvm-project/pull/86312