# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py --- | ; RUN: llc --run-pass=prologepilog -o - %s | FileCheck %s target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "thumbv7-none-none-eabi" define void @foo() #0 { entry: %v = alloca [4000 x i8], align 1 %s = alloca i8*, align 4 %0 = bitcast [4000 x i8]* %v to i8* store i8* %0, i8** %s, align 4 %1 = load i8*, i8** %s, align 4 call void @bar(i8* %1) ret void } declare void @bar(i8*) #1 ; Function Attrs: nounwind declare void @llvm.stackprotector(i8*, i8**) #2 attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+armv7-a,+d32,+dsp,+fp64,+fpregs,+neon,+strict-align,+thumb-mode,+vfp2,+vfp2sp,+vfp3,+vfp3d16,+vfp3d16sp,+vfp3sp" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+armv7-a,+d32,+dsp,+fp64,+fpregs,+neon,+strict-align,+thumb-mode,+vfp2,+vfp2sp,+vfp3,+vfp3d16,+vfp3d16sp,+vfp3sp" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #2 = { nounwind } !llvm.module.flags = !{!0, !1} !llvm.ident = !{!2} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{i32 1, !"min_enum_size", i32 4} !2 = !{!"clang version 10.0.0 (git@github.com:llvm/llvm-project.git ee219345881bdf2c144d40731f055e7b36bc8bce)"} ... --- name: foo alignment: 2 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: [] liveins: [] frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 4 adjustsStack: true hasCalls: true stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 4004 savePoint: '' restorePoint: '' fixedStack: [] stack: - { id: 0, name: v, type: default, offset: 0, size: 4000, alignment: 1, stack-id: default, callee-saved-register: '', callee-saved-restored: true, local-offset: -4000, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 1, name: s, type: default, offset: 0, size: 4, alignment: 4, stack-id: default, callee-saved-register: '', callee-saved-restored: true, local-offset: -4004, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } callSites: [] constants: [] machineFunctionInfo: {} body: | bb.0.entry: ; CHECK-LABEL: name: foo ; CHECK: liveins: $lr ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8 ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4 ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8 ; CHECK: $r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_register $r7 ; CHECK: $sp = frame-setup t2SUBspImm12 killed $sp, 4008, 14 /* CC::al */, $noreg ; CHECK: renamable $r0 = t2ADDri $sp, 8, 14 /* CC::al */, $noreg, $noreg ; CHECK: t2STRi12 killed renamable $r0, $sp, 4, 14 /* CC::al */, $noreg :: (store 4 into %ir.s) ; CHECK: renamable $r0 = t2LDRi12 $sp, 4, 14 /* CC::al */, $noreg :: (dereferenceable load 4 from %ir.s) ; CHECK: tBL 14 /* CC::al */, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp ; CHECK: $sp = frame-destroy t2ADDspImm12 killed $sp, 4008, 14 /* CC::al */, $noreg ; CHECK: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc renamable $r0 = t2ADDri %stack.0.v, 0, 14, $noreg, $noreg t2STRi12 killed renamable $r0, %stack.1.s, 0, 14, $noreg :: (store 4 into %ir.s) renamable $r0 = t2LDRi12 %stack.1.s, 0, 14, $noreg :: (dereferenceable load 4 from %ir.s) ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp tBL 14, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def dead $sp, implicit $sp tBX_RET 14, $noreg ...