1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -o - %s -run-pass=prologepilog | FileCheck %s 3 4--- | 5 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 6 target triple = "armv7--none-eabi" 7 8 define hidden void @_Z3foov(i32 %P0, ...) { 9 entry: 10 %V1 = alloca [4075 x i8], align 8 11 %tmp3 = alloca i8, i32 undef, align 8 12 unreachable 13 } 14 15 declare dso_local void @_Z3barv() noreturn 16 17... 18--- 19# Check that the register scavenger does pick r5 (not preserved in prolog) for 20# materialising a stack frame address when the function ends in throwing an 21# exception. 22name: _Z3foov 23stack: 24 - { id: 0, name: V1, type: default, offset: 0, size: 5000, alignment: 8, 25 stack-id: default, callee-saved-register: '', callee-saved-restored: true, 26 local-offset: -4080, debug-info-variable: '', debug-info-expression: '', 27 debug-info-location: '' } 28 - { id: 1, name: tmp3, type: variable-sized, offset: 0, alignment: 1, 29 stack-id: default, callee-saved-register: '', callee-saved-restored: true, 30 local-offset: -4112, debug-info-variable: '', debug-info-expression: '', 31 debug-info-location: '' } 32 - { id: 2, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4, 33 stack-id: default, callee-saved-register: '', callee-saved-restored: true, 34 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 35body: | 36 bb.0.entry: 37 38 ; CHECK-LABEL: name: _Z3foov 39 ; CHECK: $sp = frame-setup STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r10, killed $r11, killed $lr 40 ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 16 41 ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4 42 ; CHECK: frame-setup CFI_INSTRUCTION offset $r11, -8 43 ; CHECK: frame-setup CFI_INSTRUCTION offset $r10, -12 44 ; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -16 45 ; CHECK: $r11 = frame-setup ADDri killed $sp, 8, 14 /* CC::al */, $noreg, $noreg 46 ; CHECK: frame-setup CFI_INSTRUCTION def_cfa $r11, 8 47 ; CHECK: $sp = frame-setup SUBri killed $sp, 912, 14 /* CC::al */, $noreg, $noreg 48 ; CHECK: $sp = frame-setup SUBri killed $sp, 4096, 14 /* CC::al */, $noreg, $noreg 49 ; CHECK: $r0 = MOVi 0, 14 /* CC::al */, $noreg, $noreg 50 ; CHECK: $r1 = MOVi 0, 14 /* CC::al */, $noreg, $noreg 51 ; CHECK: $r2 = MOVi 0, 14 /* CC::al */, $noreg, $noreg 52 ; CHECK: $r3 = MOVi 0, 14 /* CC::al */, $noreg, $noreg 53 ; CHECK: $r4 = MOVi 0, 14 /* CC::al */, $noreg, $noreg 54 ; CHECK: $r10 = SUBri killed $r11, 4096, 14 /* CC::al */, $noreg, $noreg 55 ; CHECK: STRi12 killed $lr, killed $r10, -916, 14 /* CC::al */, $noreg :: (store (s32) into %stack.2) 56 ; CHECK: BL @_Z3barv, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit killed $r2, implicit killed $r3, implicit killed $r4, implicit-def $sp 57 $r0 = MOVi 0, 14, $noreg, $noreg 58 $r1 = MOVi 0, 14, $noreg, $noreg 59 $r2 = MOVi 0, 14, $noreg, $noreg 60 $r3 = MOVi 0, 14, $noreg, $noreg 61 $r4 = MOVi 0, 14, $noreg, $noreg 62 STRi12 killed $lr, %stack.2, 0, 14, $noreg :: (store (s32) into %stack.2) 63 BL @_Z3barv, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit killed $r2, implicit killed $r3, implicit killed $r4, implicit-def $sp 64 65... 66