| # 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: 0, 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: 0, 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: 0, 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 |
| |
| ... |