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# RUN: llc -mtriple=aarch64 -run-pass=prologepilog %s -o - | FileCheck %s
# RUN: llc -mtriple=aarch64 -passes='prolog-epilog' %s -o - | FileCheck %s
--- |
define i32 @_Z4funcv() {
entry:
%array = alloca [1073741824 x i32], align 4
%arrayidx = getelementptr inbounds [1073741824 x i32], ptr %array, i64 0, i64 20
store i32 7, ptr %arrayidx, align 4
call void @_Z5func2v()
%arrayidx1 = getelementptr inbounds [1073741824 x i32], ptr %array, i64 0, i64 20
%0 = load i32, ptr %arrayidx1, align 4
ret i32 %0
}
declare void @_Z5func2v()
...
---
name: _Z4funcv
alignment: 4
legalized: true
regBankSelected: true
selected: true
tracksRegLiveness: true
noPhis: true
isSSA: false
noVRegs: true
hasFakeUses: false
frameInfo:
maxAlignment: 4
adjustsStack: true
hasCalls: true
maxCallFrameSize: 0
stack:
- { id: 0, name: array, size: 4294967296, alignment: 4, local-offset: -4294967296 }
machineFunctionInfo: {}
body: |
bb.1.entry:
renamable $w8 = MOVi32imm 7
STRWui killed renamable $w8, %stack.0.array, 20 :: (store (s32) into %ir.arrayidx)
ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
BL @_Z5func2v, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp
ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
renamable $w0 = LDRWui %stack.0.array, 20 :: (dereferenceable load (s32) from %ir.arrayidx1)
; CHECK: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2
RET_ReallyLR implicit killed $w0
...
|
