1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -O0 -mtriple=arm64-unknown-unknown -global-isel -run-pass=instruction-select -global-isel-abort=1 %s -o - | FileCheck %s 3# RUN: llc -O0 -mtriple=arm64-unknown-unknown -global-isel -mattr=+cssc -run-pass=instruction-select -global-isel-abort=1 %s -o - | FileCheck %s --check-prefix=CHECK-CSSC 4... 5--- 6name: s32 7alignment: 4 8legalized: true 9regBankSelected: true 10tracksRegLiveness: true 11body: | 12 bb.0: 13 liveins: $w0 14 ; CHECK-LABEL: name: s32 15 ; CHECK: liveins: $w0 16 ; CHECK-NEXT: {{ $}} 17 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 18 ; CHECK-NEXT: [[RBITWr:%[0-9]+]]:gpr32 = RBITWr [[COPY]] 19 ; CHECK-NEXT: [[CLZWr:%[0-9]+]]:gpr32 = CLZWr [[RBITWr]] 20 ; CHECK-NEXT: $w0 = COPY [[CLZWr]] 21 ; CHECK-NEXT: RET_ReallyLR implicit $w0 22 ; CHECK-CSSC-LABEL: name: s32 23 ; CHECK-CSSC: liveins: $w0 24 ; CHECK-CSSC-NEXT: {{ $}} 25 ; CHECK-CSSC-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 26 ; CHECK-CSSC-NEXT: [[CTZWr:%[0-9]+]]:gpr32 = CTZWr [[COPY]] 27 ; CHECK-CSSC-NEXT: $w0 = COPY [[CTZWr]] 28 ; CHECK-CSSC-NEXT: RET_ReallyLR implicit $w0 29 %0:gpr(s32) = COPY $w0 30 %1:gpr(s32) = G_CTTZ %0(s32) 31 $w0 = COPY %1(s32) 32 RET_ReallyLR implicit $w0 33 34... 35--- 36name: s64 37alignment: 4 38legalized: true 39regBankSelected: true 40tracksRegLiveness: true 41body: | 42 bb.0: 43 liveins: $x0 44 ; CHECK-LABEL: name: s64 45 ; CHECK: liveins: $x0 46 ; CHECK-NEXT: {{ $}} 47 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 48 ; CHECK-NEXT: [[RBITXr:%[0-9]+]]:gpr64 = RBITXr [[COPY]] 49 ; CHECK-NEXT: [[CLZXr:%[0-9]+]]:gpr64 = CLZXr [[RBITXr]] 50 ; CHECK-NEXT: $x0 = COPY [[CLZXr]] 51 ; CHECK-NEXT: RET_ReallyLR implicit $x0 52 ; CHECK-CSSC-LABEL: name: s64 53 ; CHECK-CSSC: liveins: $x0 54 ; CHECK-CSSC-NEXT: {{ $}} 55 ; CHECK-CSSC-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 56 ; CHECK-CSSC-NEXT: [[CTZXr:%[0-9]+]]:gpr64 = CTZXr [[COPY]] 57 ; CHECK-CSSC-NEXT: $x0 = COPY [[CTZXr]] 58 ; CHECK-CSSC-NEXT: RET_ReallyLR implicit $x0 59 %0:gpr(s64) = COPY $x0 60 %1:gpr(s64) = G_CTTZ %0(s64) 61 $x0 = COPY %1(s64) 62 RET_ReallyLR implicit $x0 63 64... 65