| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -simplify-mir -run-pass=phi-node-elimination %s -o - | FileCheck %s |
| --- | |
| ; ModuleID = '<stdin>' |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "arm-arm-none-eabi" |
| |
| ; Function Attrs: nofree norecurse nounwind |
| define void @test(i8* noalias nocapture %X, i8* noalias nocapture readonly %Y, i32 %n) { |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %X, i8* align 4 %Y, i32 %n, i1 false) |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.body.preheader, %entry |
| ret void |
| } |
| |
| ; Function Attrs: argmemonly nofree nosync nounwind willreturn |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg) |
| |
| ... |
| --- |
| name: test |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-LABEL: name: test |
| ; CHECK: bb.0.entry: |
| ; CHECK: successors: %bb.1(0x50000000), %bb.3(0x30000000) |
| ; CHECK: liveins: $r0, $r1, $r2 |
| ; CHECK: [[COPY:%[0-9]+]]:rgpr = COPY killed $r2 |
| ; CHECK: [[COPY1:%[0-9]+]]:rgpr = COPY killed $r1 |
| ; CHECK: [[COPY2:%[0-9]+]]:rgpr = COPY killed $r0 |
| ; CHECK: t2CMPri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| ; CHECK: bb.1.for.body.preheader: |
| ; CHECK: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[COPY]], 15, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2BICri:%[0-9]+]]:rgpr = t2BICri killed [[t2ADDri]], 16, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2LSRri:%[0-9]+]]:gprlr = t2LSRri killed [[t2BICri]], 4, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[COPY3:%[0-9]+]]:rgpr = COPY [[COPY1]] |
| ; CHECK: [[COPY4:%[0-9]+]]:rgpr = COPY [[COPY2]] |
| ; CHECK: [[COPY5:%[0-9]+]]:rgpr = COPY [[COPY]] |
| ; CHECK: [[t2WhileLoopStartLR:%[0-9]+]]:gprlr = t2WhileLoopStartLR killed [[t2LSRri]], %bb.3, implicit-def dead $cpsr |
| ; CHECK: bb.2: |
| ; CHECK: [[COPY6:%[0-9]+]]:rgpr = COPY [[COPY5]] |
| ; CHECK: [[COPY7:%[0-9]+]]:gprlr = COPY [[t2WhileLoopStartLR]] |
| ; CHECK: [[COPY8:%[0-9]+]]:rgpr = COPY [[COPY4]] |
| ; CHECK: [[COPY9:%[0-9]+]]:rgpr = COPY [[COPY3]] |
| ; CHECK: [[MVE_VCTP8_:%[0-9]+]]:vccr = MVE_VCTP8 [[COPY6]], 0, $noreg |
| ; CHECK: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri killed [[COPY6]], 16, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[MVE_VLDRBU8_post:%[0-9]+]]:rgpr, [[MVE_VLDRBU8_post1:%[0-9]+]]:mqpr = MVE_VLDRBU8_post killed [[COPY9]], 16, 1, [[MVE_VCTP8_]] |
| ; CHECK: [[MVE_VSTRBU8_post:%[0-9]+]]:rgpr = MVE_VSTRBU8_post killed [[MVE_VLDRBU8_post1]], killed [[COPY8]], 16, 1, killed [[MVE_VCTP8_]] |
| ; CHECK: [[COPY10:%[0-9]+]]:rgpr = COPY [[MVE_VLDRBU8_post]] |
| ; CHECK: [[COPY10:%[0-9]+]]:rgpr = COPY [[MVE_VSTRBU8_post]] |
| ; CHECK: [[COPY10:%[0-9]+]]:rgpr = COPY [[t2SUBri]] |
| ; CHECK: [[t2LoopEndDec:%[0-9]+]]:gprlr = t2LoopEndDec killed [[COPY7]], %bb.2, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.3, 14 /* CC::al */, $noreg |
| ; CHECK: bb.3.for.cond.cleanup: |
| ; CHECK: tBX_RET 14 /* CC::al */, $noreg |
| bb.0.entry: |
| successors: %bb.1(0x50000000), %bb.3(0x30000000) |
| liveins: $r0, $r1, $r2 |
| |
| %2:rgpr = COPY killed $r2 |
| %1:rgpr = COPY killed $r1 |
| %0:rgpr = COPY killed $r0 |
| t2CMPri %2, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| bb.1.for.body.preheader: |
| successors: %bb.3(0x40000000), %bb.2(0x40000000) |
| |
| %3:rgpr = t2ADDri %2, 15, 14 /* CC::al */, $noreg, $noreg |
| %4:rgpr = t2BICri killed %3, 16, 14 /* CC::al */, $noreg, $noreg |
| %5:gprlr = t2LSRri killed %4, 4, 14 /* CC::al */, $noreg, $noreg |
| %6:gprlr = t2WhileLoopStartLR killed %5, %bb.3, implicit-def dead $cpsr |
| |
| bb.2: |
| successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| |
| %7:rgpr = PHI %1, %bb.1, %8, %bb.2 |
| %9:rgpr = PHI %0, %bb.1, %10, %bb.2 |
| %11:gprlr = PHI %6, %bb.1, %12, %bb.2 |
| %13:rgpr = PHI %2, %bb.1, %14, %bb.2 |
| %15:vccr = MVE_VCTP8 %13, 0, $noreg |
| %14:rgpr = t2SUBri killed %13, 16, 14 /* CC::al */, $noreg, $noreg |
| %8:rgpr, %16:mqpr = MVE_VLDRBU8_post killed %7, 16, 1, %15 |
| %10:rgpr = MVE_VSTRBU8_post killed %16, killed %9, 16, 1, killed %15 |
| %12:gprlr = t2LoopEndDec killed %11, %bb.2, implicit-def dead $cpsr |
| t2B %bb.3, 14 /* CC::al */, $noreg |
| |
| bb.3.for.cond.cleanup: |
| tBX_RET 14 /* CC::al */, $noreg |
| |
| ... |