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1; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s2 3define i32 @kill_flag(i16 signext %a) {4; CHECK-LABEL: kill_flag5entry:6 %0 = sext i16 %a to i327 br label %bb18 9bb1:10 %1 = icmp slt i32 undef, %011 br i1 %1, label %loop, label %exit12 13loop:14 %2 = sext i16 %a to i3215 %3 = icmp slt i32 undef, %216 br i1 %3, label %bb1, label %exit17 18exit:19 ret i32 020}21