1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/fast-isel-int-ext4.ll b/test/CodeGen/AArch64/fast-isel-int-ext4.ll
new file mode 100644
index 0000000..f25bb98
--- /dev/null
+++ b/test/CodeGen/AArch64/fast-isel-int-ext4.ll
@@ -0,0 +1,20 @@
+; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s
+
+define i32 @kill_flag(i16 signext %a) {
+; CHECK-LABEL: kill_flag
+entry:
+  %0 = sext i16 %a to i32
+  br label %bb1
+
+bb1:
+  %1 = icmp slt i32 undef, %0
+  br i1 %1, label %loop, label %exit
+
+loop:
+  %2 = sext i16 %a to i32
+  %3 = icmp slt i32 undef, %2
+  br i1 %3, label %bb1, label %exit
+
+exit:
+  ret i32 0
+}