1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-02.ll b/test/CodeGen/SystemZ/int-cmp-02.ll
index 455350b..a777119 100644
--- a/test/CodeGen/SystemZ/int-cmp-02.ll
+++ b/test/CodeGen/SystemZ/int-cmp-02.ll
@@ -2,6 +2,8 @@
 ;
 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
 
+declare i32 @foo()
+
 ; Check register comparison.
 define double @f1(double %a, double %b, i32 %i1, i32 %i2) {
 ; CHECK-LABEL: f1:
@@ -159,3 +161,23 @@ define double @f11(double %a, double %b, i32 %i1, i64 %base, i64 %index) {
   %res = select i1 %cond, double %a, double %b
   ret double %res
 }
+
+; The first branch here got recreated by InsertBranch while splitting the
+; critical edge %entry->%while.body, which lost the kills information for CC.
+define void @f12(i32 %a, i32 %b) {
+; CHECK-LABEL: f12:
+; CHECK: crje %r2,
+; CHECK: crjlh %r2,
+; CHECK: br %r14
+entry:
+  %cmp11 = icmp eq i32 %a, %b
+  br i1 %cmp11, label %while.end, label %while.body
+
+while.body:
+  %c = call i32 @foo()
+  %cmp12 = icmp eq i32 %c, %b
+  br i1 %cmp12, label %while.end, label %while.body
+
+while.end:
+  ret void
+}