1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc %s -o - -run-pass=if-converter -verify-machineinstrs | FileCheck %s 3# 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_yes 12 l_yes: 13 ret ptr blockaddress(@fn1, %l_yes) 14 } 15 16 declare dso_local i32 @fn2(...) 17... 18--- 19name: fn1 20alignment: 2 21tracksRegLiveness: true 22body: | 23 ; CHECK-LABEL: name: fn1 24 ; CHECK: bb.0: 25 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) 26 ; CHECK-NEXT: liveins: $r0, $r1, $r2, $r4, $lr 27 ; CHECK-NEXT: {{ $}} 28 ; CHECK-NEXT: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $lr 29 ; CHECK-NEXT: t2CMPri killed renamable $r2, 34, 14 /* CC::al */, $noreg, implicit-def $cpsr 30 ; CHECK-NEXT: $r0 = t2MOVi 2, 1 /* CC::ne */, $cpsr, $noreg 31 ; CHECK-NEXT: $r0 = t2MOVi 3, 0 /* CC::eq */, killed $cpsr, $noreg, implicit killed $r0 32 ; 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 $r0 33 ; CHECK-NEXT: t2CMPri $sp, 34, 14 /* CC::al */, $noreg, implicit-def $cpsr 34 ; CHECK-NEXT: t2Bcc %bb.2, 1 /* CC::ne */, $cpsr 35 ; CHECK-NEXT: t2Bcc %bb.2, 2 /* CC::hs */, killed $cpsr 36 ; CHECK-NEXT: t2B %bb.1, 14 /* CC::al */, $noreg 37 ; 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 $pc 41 ; 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 $pc 44 bb.0: 45 successors: %bb.1(0x40000000), %bb.2(0x40000000) 46 liveins: $r0, $r1, $r2, $r4, $lr 47 48 $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r4, killed $lr 49 t2CMPri killed renamable $r2, 34, 14, $noreg, implicit-def $cpsr 50 t2Bcc %bb.2, 1, killed $cpsr 51 52 bb.1: 53 successors: %bb.3(0x40000000), %bb.4(0x40000000) 54 liveins: $r1 55 56 $r0 = t2MOVi 3, 14, $noreg, $noreg 57 tBL 14, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, implicit-def dead $r0 58 t2CMPri $sp, 34, 14, $noreg, implicit-def $cpsr 59 t2Bcc %bb.4, 1, $cpsr 60 t2Bcc %bb.4, 2, killed $cpsr 61 t2B %bb.3, 14, $noreg 62 63 bb.2: 64 successors: %bb.3(0x40000000), %bb.4(0x40000000) 65 liveins: $r1 66 67 $r0 = t2MOVi 2, 14, $noreg, $noreg 68 tBL 14, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, implicit-def dead $r0 69 t2CMPri $sp, 34, 14, $noreg, implicit-def $cpsr 70 t2Bcc %bb.4, 1, $cpsr 71 t2Bcc %bb.4, 2, killed $cpsr 72 t2B %bb.3, 14, $noreg 73 74 bb.3: 75 INLINEASM &"", 1 76 $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc 77 78 bb.4.l_yes (ir-block-address-taken %ir-block.l_yes): 79 $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc 80 81... 82