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| # 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.
# CHECK: $sp = frame-setup STMDB_UPD $sp, 14, $noreg, killed $r4, killed $r10, killed $r11, killed $lr
# CHECK-NOT: $r5
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:
$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
...
|