[llvm] [llvm] Remove `br i1 undef` in `llvm/test/CodeGen` tests (PR #127368)

[via llvm-commits]

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@@ -3,9 +3,9 @@
 --- |
   target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
   target triple = "arm64-apple-ios13.3.0"
-  define hidden void @phi_operands_regclasses_different() #0 {
+  define hidden void @phi_operands_regclasses_different(i1 %arg) #0 {
   entry:
-    br i1 undef, label %if.then139.i, label %if.else142.i
+    br i1 %arg, label %if.then139.i, label %if.else142.i
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Yeaseen wrote:

Reverted the change.

https://github.com/llvm/llvm-project/pull/127368