| ; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -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 | |
| } |