1 ; RUN: llc < %s -mtriple=aarch64-apple-ios -fast-isel -verify-machineinstrs | FileCheck %s
3 ; Check that the kill flag is cleared between CSE'd instructions on their
5 ; The verifier would complain otherwise.
6 define i64 @csed-impdef-killflag(i64 %a) {
7 ; CHECK-LABEL: csed-impdef-killflag
8 ; CHECK-DAG: mov [[REG0:w[0-9]+]], wzr
9 ; CHECK-DAG: orr [[REG1:w[0-9]+]], wzr, #0x1
10 ; CHECK-DAG: orr [[REG2:x[0-9]+]], xzr, #0x2
11 ; CHECK-DAG: orr [[REG3:x[0-9]+]], xzr, #0x3
13 ; CHECK-DAG: csel w[[SELECT_WREG_1:[0-9]+]], [[REG0]], [[REG1]], ne
14 ; CHECK-DAG: csel [[SELECT_XREG_2:x[0-9]+]], [[REG2]], [[REG3]], ne
15 ; CHECK: ubfx [[SELECT_XREG_1:x[0-9]+]], x[[SELECT_WREG_1]], #0, #32
16 ; CHECK-NEXT: add x0, [[SELECT_XREG_2]], [[SELECT_XREG_1]]
19 %1 = icmp ne i64 %a, 0
20 %2 = select i1 %1, i32 0, i32 1
21 %3 = icmp ne i64 %a, 0
22 %4 = select i1 %3, i64 2, i64 3
23 %5 = zext i32 %2 to i64