[llvm] Remove `br i1 undef` from some `llvm/test/CodeGen` tests (#128272)
diff --git a/llvm/test/CodeGen/X86/tailcall-cgp-dup.ll b/llvm/test/CodeGen/X86/tailcall-cgp-dup.ll
index f96ba35..c6e6df97 100644
--- a/llvm/test/CodeGen/X86/tailcall-cgp-dup.ll
+++ b/llvm/test/CodeGen/X86/tailcall-cgp-dup.ll
@@ -113,7 +113,7 @@
; CHECK-NEXT: ## %bb.1: ## %someThingWithValue.exit
; CHECK-NEXT: retq
entry:
- br i1 undef, label %if.then.i, label %if.else.i
+ br i1 poison, label %if.then.i, label %if.else.i
if.then.i: ; preds = %entry
br label %someThingWithValue.exit