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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc %s -o - -run-pass=if-converter -verify-machineinstrs | FileCheck %s3# Make sure we correctly if-convert blocks containing an unanalyzable branch sequence.4# (In this case, multiple conditional branches)5 6--- |7 target triple = "thumbv7-unknown-linux-gnueabi"8 9 define dso_local ptr @fn1() {10 entry:11 br label %l_yes12 l_yes:13 ret ptr blockaddress(@fn1, %l_yes)14 }15 16 declare dso_local i32 @fn2(...)17...18---19name: fn120alignment: 221tracksRegLiveness: true22body: |23 ; CHECK-LABEL: name: fn124 ; CHECK: bb.0:25 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)26 ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r4, $lr27 ; CHECK-NEXT: {{ $}}28 ; CHECK-NEXT: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $lr29 ; CHECK-NEXT: t2CMPri killed renamable $r2, 34, 14 /* CC::al */, $noreg, implicit-def $cpsr30 ; CHECK-NEXT: $r0 = t2MOVi 2, 1 /* CC::ne */, $cpsr, $noreg31 ; CHECK-NEXT: $r0 = t2MOVi 3, 0 /* CC::eq */, killed $cpsr, $noreg, implicit killed $r032 ; CHECK-NEXT: tBL 14 /* CC::al */, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp, implicit-def dead $r033 ; CHECK-NEXT: t2CMPri $sp, 34, 14 /* CC::al */, $noreg, implicit-def $cpsr34 ; CHECK-NEXT: t2Bcc %bb.2, 1 /* CC::ne */, $cpsr35 ; CHECK-NEXT: t2Bcc %bb.2, 2 /* CC::hs */, killed $cpsr36 ; CHECK-NEXT: t2B %bb.1, 14 /* CC::al */, $noreg37 ; CHECK-NEXT: {{ $}}38 ; CHECK-NEXT: bb.1:39 ; CHECK-NEXT: INLINEASM &"", 1 /* sideeffect attdialect */40 ; CHECK-NEXT: $sp = t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $pc41 ; CHECK-NEXT: {{ $}}42 ; CHECK-NEXT: bb.2.l_yes (ir-block-address-taken %ir-block.l_yes):43 ; CHECK-NEXT: $sp = t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $pc44 bb.0:45 successors: %bb.1(0x40000000), %bb.2(0x40000000)46 liveins: $r0, $r1, $r2, $r4, $lr47 48 $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r4, killed $lr49 t2CMPri killed renamable $r2, 34, 14, $noreg, implicit-def $cpsr50 t2Bcc %bb.2, 1, killed $cpsr51 52 bb.1:53 successors: %bb.3(0x40000000), %bb.4(0x40000000)54 liveins: $r155 56 $r0 = t2MOVi 3, 14, $noreg, $noreg57 tBL 14, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, implicit-def dead $r058 t2CMPri $sp, 34, 14, $noreg, implicit-def $cpsr59 t2Bcc %bb.4, 1, $cpsr60 t2Bcc %bb.4, 2, killed $cpsr61 t2B %bb.3, 14, $noreg62 63 bb.2:64 successors: %bb.3(0x40000000), %bb.4(0x40000000)65 liveins: $r166 67 $r0 = t2MOVi 2, 14, $noreg, $noreg68 tBL 14, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, implicit-def dead $r069 t2CMPri $sp, 34, 14, $noreg, implicit-def $cpsr70 t2Bcc %bb.4, 1, $cpsr71 t2Bcc %bb.4, 2, killed $cpsr72 t2B %bb.3, 14, $noreg73 74 bb.3:75 INLINEASM &"", 176 $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc77 78 bb.4.l_yes (ir-block-address-taken %ir-block.l_yes):79 $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc80 81...82