# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -o - %s -run-pass=prologepilog | FileCheck %s --- | target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "armv7--none-eabi" define hidden void @_Z3foov(i32 %P0, ...) { entry: %V1 = alloca [4075 x i8], align 8 %tmp3 = alloca i8, i32 undef, align 8 unreachable } declare dso_local void @_Z3barv() noreturn ... --- # Check that the register scavenger does pick r5 (not preserved in prolog) for # materialising a stack frame address when the function ends in throwing an # exception. name: _Z3foov stack: - { id: 0, name: V1, type: default, offset: 0, size: 5000, alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true, local-offset: -4080, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 1, name: tmp3, type: variable-sized, offset: 0, alignment: 1, stack-id: default, callee-saved-register: '', callee-saved-restored: true, local-offset: -4112, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 2, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4, stack-id: default, callee-saved-register: '', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } body: | bb.0.entry: ; CHECK-LABEL: name: _Z3foov ; CHECK: $sp = frame-setup STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r10, killed $r11, killed $lr ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 16 ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4 ; CHECK: frame-setup CFI_INSTRUCTION offset $r11, -8 ; CHECK: frame-setup CFI_INSTRUCTION offset $r10, -12 ; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -16 ; CHECK: $r11 = frame-setup ADDri killed $sp, 8, 14 /* CC::al */, $noreg, $noreg ; CHECK: frame-setup CFI_INSTRUCTION def_cfa $r11, 8 ; CHECK: $sp = frame-setup SUBri killed $sp, 912, 14 /* CC::al */, $noreg, $noreg ; CHECK: $sp = frame-setup SUBri killed $sp, 4096, 14 /* CC::al */, $noreg, $noreg ; CHECK: $r0 = MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK: $r1 = MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK: $r2 = MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK: $r3 = MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK: $r4 = MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK: $r10 = SUBri killed $r11, 4096, 14 /* CC::al */, $noreg, $noreg ; CHECK: STRi12 killed $lr, killed $r10, -916, 14 /* CC::al */, $noreg :: (store 4 into %stack.2) ; 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 $r0 = MOVi 0, 14, $noreg, $noreg $r1 = MOVi 0, 14, $noreg, $noreg $r2 = MOVi 0, 14, $noreg, $noreg $r3 = MOVi 0, 14, $noreg, $noreg $r4 = MOVi 0, 14, $noreg, $noreg STRi12 killed $lr, %stack.2, 0, 14, $noreg :: (store 4 into %stack.2) 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 ...