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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select %s | FileCheck %s
# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select -code-model=large %s | FileCheck %s --check-prefix=LARGE
--- |
; ModuleID = 'blockaddress.ll'
source_filename = "blockaddress.ll"
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-none-linux-gnu"
@addr = global i8* null
define void @test_blockaddress() {
store i8* blockaddress(@test_blockaddress, %block), i8** @addr
indirectbr i8* blockaddress(@test_blockaddress, %block), [label %block]
block: ; preds = %0
ret void
}
...
---
name: test_blockaddress
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
body: |
; CHECK-LABEL: name: test_blockaddress
; CHECK: bb.0 (%ir-block.0):
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[MOVaddrBA:%[0-9]+]]:gpr64 = MOVaddrBA target-flags(aarch64-page) blockaddress(@test_blockaddress, %ir-block.block), target-flags(aarch64-pageoff, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block)
; CHECK: [[MOVaddr:%[0-9]+]]:gpr64common = MOVaddr target-flags(aarch64-page) @addr, target-flags(aarch64-pageoff, aarch64-nc) @addr
; CHECK: STRXui [[MOVaddrBA]], [[MOVaddr]], 0 :: (store 8 into @addr)
; CHECK: BR [[MOVaddrBA]]
; CHECK: bb.1.block (address-taken):
; CHECK: RET_ReallyLR
; LARGE-LABEL: name: test_blockaddress
; LARGE: bb.0 (%ir-block.0):
; LARGE: successors: %bb.1(0x80000000)
; LARGE: [[MOVZXi:%[0-9]+]]:gpr64 = MOVZXi target-flags(aarch64-g0, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block), 0
; LARGE: [[MOVKXi:%[0-9]+]]:gpr64 = MOVKXi [[MOVZXi]], target-flags(aarch64-g1, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block), 16
; LARGE: [[MOVKXi1:%[0-9]+]]:gpr64 = MOVKXi [[MOVKXi]], target-flags(aarch64-g2, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block), 32
; LARGE: [[MOVKXi2:%[0-9]+]]:gpr64 = MOVKXi [[MOVKXi1]], target-flags(aarch64-g3) blockaddress(@test_blockaddress, %ir-block.block), 48
; LARGE: [[MOVZXi1:%[0-9]+]]:gpr64 = MOVZXi target-flags(aarch64-g0, aarch64-nc) @addr, 0
; LARGE: [[MOVKXi3:%[0-9]+]]:gpr64 = MOVKXi [[MOVZXi1]], target-flags(aarch64-g1, aarch64-nc) @addr, 16
; LARGE: [[MOVKXi4:%[0-9]+]]:gpr64 = MOVKXi [[MOVKXi3]], target-flags(aarch64-g2, aarch64-nc) @addr, 32
; LARGE: [[MOVKXi5:%[0-9]+]]:gpr64common = MOVKXi [[MOVKXi4]], target-flags(aarch64-g3) @addr, 48
; LARGE: STRXui [[MOVKXi2]], [[MOVKXi5]], 0 :: (store 8 into @addr)
; LARGE: BR [[MOVKXi2]]
; LARGE: bb.1.block (address-taken):
; LARGE: RET_ReallyLR
bb.1 (%ir-block.0):
%0:gpr(p0) = G_BLOCK_ADDR blockaddress(@test_blockaddress, %ir-block.block)
%1:gpr(p0) = G_GLOBAL_VALUE @addr
G_STORE %0(p0), %1(p0) :: (store 8 into @addr)
G_BRINDIRECT %0(p0)
bb.2.block (address-taken):
RET_ReallyLR
...
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