From aa5a1eaa38bbcff64e22a0e0662843d119d3d71f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Amaury=20S=C3=A9chet?= <deadalnix@gmail.com>
Date: Thu, 8 Jun 2023 09:07:36 +0000
Subject: [PATCH] [NFC] Add regression tests for an infinite loop caused by
 D127115

---
 llvm/test/CodeGen/X86/brcc.ll | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/brcc.ll

diff --git a/llvm/test/CodeGen/X86/brcc.ll b/llvm/test/CodeGen/X86/brcc.ll
new file mode 100644
index 0000000..dd00354
--- /dev/null
+++ b/llvm/test/CodeGen/X86/brcc.ll
@@ -0,0 +1,27 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s
+
+define i64 @foo(i1 %0) {
+; CHECK-LABEL: foo:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movl $1, %eax
+; CHECK-NEXT:    testb $1, %dil
+; CHECK-NEXT:    je .LBB0_2
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    xorl %eax, %eax
+; CHECK-NEXT:  .LBB0_2:
+; CHECK-NEXT:    retq
+  br label %2
+
+2:
+  %3 = select i1 %0, i1 %0, i1 false
+  %4 = freeze i1 %3
+  br i1 %4, label %5, label %6
+
+5:
+  br label %6
+
+6:
+  %7 = phi i64 [ 0, %5 ], [ 1, %2 ]
+  ret i64 %7
+}
-- 
2.7.4