1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -simplify-mir -run-pass=phi-node-elimination %s -o - | FileCheck %s 3--- | 4 ; ModuleID = '<stdin>' 5 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" 6 target triple = "arm-arm-none-eabi" 7 8 ; Function Attrs: nofree norecurse nounwind 9 define void @test(i8* noalias nocapture %X, i8* noalias nocapture readonly %Y, i32 %n) { 10 entry: 11 %cmp6 = icmp sgt i32 %n, 0 12 br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup 13 14 for.body.preheader: ; preds = %entry 15 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %X, i8* align 4 %Y, i32 %n, i1 false) 16 br label %for.cond.cleanup 17 18 for.cond.cleanup: ; preds = %for.body.preheader, %entry 19 ret void 20 } 21 22 ; Function Attrs: argmemonly nofree nosync nounwind willreturn 23 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg) 24 25... 26--- 27name: test 28tracksRegLiveness: true 29body: | 30 ; CHECK-LABEL: name: test 31 ; CHECK: bb.0.entry: 32 ; CHECK: successors: %bb.1(0x50000000), %bb.3(0x30000000) 33 ; CHECK: liveins: $r0, $r1, $r2 34 ; CHECK: [[COPY:%[0-9]+]]:rgpr = COPY killed $r2 35 ; CHECK: [[COPY1:%[0-9]+]]:rgpr = COPY killed $r1 36 ; CHECK: [[COPY2:%[0-9]+]]:rgpr = COPY killed $r0 37 ; CHECK: t2CMPri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr 38 ; CHECK: t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr 39 ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg 40 ; CHECK: bb.1.for.body.preheader: 41 ; CHECK: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[COPY]], 15, 14 /* CC::al */, $noreg, $noreg 42 ; CHECK: [[t2BICri:%[0-9]+]]:rgpr = t2BICri killed [[t2ADDri]], 16, 14 /* CC::al */, $noreg, $noreg 43 ; CHECK: [[t2LSRri:%[0-9]+]]:gprlr = t2LSRri killed [[t2BICri]], 4, 14 /* CC::al */, $noreg, $noreg 44 ; CHECK: [[COPY3:%[0-9]+]]:rgpr = COPY [[COPY1]] 45 ; CHECK: [[COPY4:%[0-9]+]]:rgpr = COPY [[COPY2]] 46 ; CHECK: [[COPY5:%[0-9]+]]:rgpr = COPY [[COPY]] 47 ; CHECK: [[t2WhileLoopStartLR:%[0-9]+]]:gprlr = t2WhileLoopStartLR killed [[t2LSRri]], %bb.3, implicit-def dead $cpsr 48 ; CHECK: bb.2: 49 ; CHECK: [[COPY6:%[0-9]+]]:rgpr = COPY [[COPY5]] 50 ; CHECK: [[COPY7:%[0-9]+]]:gprlr = COPY [[t2WhileLoopStartLR]] 51 ; CHECK: [[COPY8:%[0-9]+]]:rgpr = COPY [[COPY4]] 52 ; CHECK: [[COPY9:%[0-9]+]]:rgpr = COPY [[COPY3]] 53 ; CHECK: [[MVE_VCTP8_:%[0-9]+]]:vccr = MVE_VCTP8 [[COPY6]], 0, $noreg 54 ; CHECK: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri killed [[COPY6]], 16, 14 /* CC::al */, $noreg, $noreg 55 ; CHECK: [[MVE_VLDRBU8_post:%[0-9]+]]:rgpr, [[MVE_VLDRBU8_post1:%[0-9]+]]:mqpr = MVE_VLDRBU8_post killed [[COPY9]], 16, 1, [[MVE_VCTP8_]] 56 ; CHECK: [[MVE_VSTRBU8_post:%[0-9]+]]:rgpr = MVE_VSTRBU8_post killed [[MVE_VLDRBU8_post1]], killed [[COPY8]], 16, 1, killed [[MVE_VCTP8_]] 57 ; CHECK: [[COPY10:%[0-9]+]]:rgpr = COPY [[MVE_VLDRBU8_post]] 58 ; CHECK: [[COPY10:%[0-9]+]]:rgpr = COPY [[MVE_VSTRBU8_post]] 59 ; CHECK: [[COPY10:%[0-9]+]]:rgpr = COPY [[t2SUBri]] 60 ; CHECK: [[t2LoopEndDec:%[0-9]+]]:gprlr = t2LoopEndDec killed [[COPY7]], %bb.2, implicit-def dead $cpsr 61 ; CHECK: t2B %bb.3, 14 /* CC::al */, $noreg 62 ; CHECK: bb.3.for.cond.cleanup: 63 ; CHECK: tBX_RET 14 /* CC::al */, $noreg 64 bb.0.entry: 65 successors: %bb.1(0x50000000), %bb.3(0x30000000) 66 liveins: $r0, $r1, $r2 67 68 %2:rgpr = COPY killed $r2 69 %1:rgpr = COPY killed $r1 70 %0:rgpr = COPY killed $r0 71 t2CMPri %2, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr 72 t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr 73 t2B %bb.1, 14 /* CC::al */, $noreg 74 75 bb.1.for.body.preheader: 76 successors: %bb.3(0x40000000), %bb.2(0x40000000) 77 78 %3:rgpr = t2ADDri %2, 15, 14 /* CC::al */, $noreg, $noreg 79 %4:rgpr = t2BICri killed %3, 16, 14 /* CC::al */, $noreg, $noreg 80 %5:gprlr = t2LSRri killed %4, 4, 14 /* CC::al */, $noreg, $noreg 81 %6:gprlr = t2WhileLoopStartLR killed %5, %bb.3, implicit-def dead $cpsr 82 83 bb.2: 84 successors: %bb.2(0x40000000), %bb.3(0x40000000) 85 86 %7:rgpr = PHI %1, %bb.1, %8, %bb.2 87 %9:rgpr = PHI %0, %bb.1, %10, %bb.2 88 %11:gprlr = PHI %6, %bb.1, %12, %bb.2 89 %13:rgpr = PHI %2, %bb.1, %14, %bb.2 90 %15:vccr = MVE_VCTP8 %13, 0, $noreg 91 %14:rgpr = t2SUBri killed %13, 16, 14 /* CC::al */, $noreg, $noreg 92 %8:rgpr, %16:mqpr = MVE_VLDRBU8_post killed %7, 16, 1, %15 93 %10:rgpr = MVE_VSTRBU8_post killed %16, killed %9, 16, 1, killed %15 94 %12:gprlr = t2LoopEndDec killed %11, %bb.2, implicit-def dead $cpsr 95 t2B %bb.3, 14 /* CC::al */, $noreg 96 97 bb.3.for.cond.cleanup: 98 tBX_RET 14 /* CC::al */, $noreg 99 100... 101