1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2 # RUN: llc -mtriple=aarch64-apple-ios -run-pass=greedy -run-pass=virtregrewriter %s -o - | FileCheck %s 3 --- 4 name: func0 5 body: | 6 bb.0: 7 ; Make sure we don't clobber q3 when we expand the bundle 8 ; CHECK-LABEL: name: func0 9 ; CHECK: $x0 = IMPLICIT_DEF 10 ; CHECK: $q0_q1_q2_q3 = IMPLICIT_DEF 11 ; CHECK: $q4 = COPY $q3 12 ; CHECK: $q1_q2_q3 = COPY $q0_q1_q2 13 ; CHECK: ST4i64 $q1_q2_q3_q4, 0, $x0 14 $x0 = IMPLICIT_DEF 15 $q0_q1_q2_q3 = IMPLICIT_DEF 16 $q1_q2_q3 = COPY $q0_q1_q2 { 17 $q4 = COPY $q3 18 } 19 ST4i64 $q1_q2_q3_q4, 0, $x0 20 21 ... 22 --- 23 name: func1 24 body: | 25 bb.0: 26 ; If it was already ordered, make sure we don't break it 27 ; CHECK-LABEL: name: func1 28 ; CHECK: $x0 = IMPLICIT_DEF 29 ; CHECK: $q0_q1_q2_q3 = IMPLICIT_DEF 30 ; CHECK: $q4 = COPY $q3 31 ; CHECK: $q1_q2_q3 = COPY $q0_q1_q2 32 ; CHECK: ST4i64 $q1_q2_q3_q4, 0, $x0 33 $x0 = IMPLICIT_DEF 34 $q0_q1_q2_q3 = IMPLICIT_DEF 35 $q4 = COPY $q3 { 36 $q1_q2_q3 = COPY $q0_q1_q2 37 } 38 ST4i64 $q1_q2_q3_q4, 0, $x0 39 40 ... 41 --- 42 name: func2 43 body: | 44 bb.0: 45 ; A bit less realistic, but check that we handle multiple nodes 46 ; CHECK-LABEL: name: func2 47 ; CHECK: $x0 = IMPLICIT_DEF 48 ; CHECK: $q0_q1_q2_q3 = IMPLICIT_DEF 49 ; CHECK: $q3 = COPY $q2 50 ; CHECK: $q4 = COPY $q1 51 ; CHECK: $q1_q2 = COPY $q0_q1 52 ; CHECK: ST4i64 $q1_q2_q3_q4, 0, $x0 53 $x0 = IMPLICIT_DEF 54 $q0_q1_q2_q3 = IMPLICIT_DEF 55 $q1_q2 = COPY $q0_q1 { 56 $q3 = COPY $q2 57 $q4 = COPY $q1 58 } 59 ST4i64 $q1_q2_q3_q4, 0, $x0 60 61 ... 62 --- 63 name: func3 64 body: | 65 bb.0: 66 ; If there was nothing wrong, don't change the order for no reason 67 ; CHECK-LABEL: name: func3 68 ; CHECK: $x0 = IMPLICIT_DEF 69 ; CHECK: $q1_q2_q3_q4 = IMPLICIT_DEF 70 ; CHECK: $q0_q1 = COPY $q1_q2 71 ; CHECK: $q2_q3 = COPY $q3_q4 72 ; CHECK: ST4i64 $q0_q1_q2_q3, 0, $x0 73 $x0 = IMPLICIT_DEF 74 $q1_q2_q3_q4 = IMPLICIT_DEF 75 $q0_q1 = COPY $q1_q2 { 76 $q2_q3 = COPY $q3_q4 77 } 78 ST4i64 $q0_q1_q2_q3, 0, $x0 79 80 ... 81
