1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
| # RUN: llc -mtriple=aarch64--linux-gnu -run-pass=aarch64-ldst-opt %s -verify-machineinstrs -o - | FileCheck %s
--- |
define void @ldr_str_aa(i32* noalias nocapture %x, i32* noalias nocapture readonly %y) {
entry:
%0 = load i32, i32* %y, align 4
store i32 %0, i32* %x, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %y, i32 1
%1 = load i32, i32* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds i32, i32* %x, i32 1
store i32 %1, i32* %arrayidx3, align 4
ret void
}
...
---
# CHECK-LABEL: name: ldr_str_aa
# CHECK: $w8, $w9 = LDPWi $x1, 0
# CHECK: STPWi $w8, $w9, $x0, 0
name: ldr_str_aa
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x0, $x1
$w8 = LDRWui $x1, 0 :: (load 4 from %ir.y)
STRWui killed $w8, $x0, 0 :: (store 4 into %ir.x)
$w9 = LDRWui killed $x1, 1 :: (load 4 from %ir.arrayidx2)
STRWui killed $w9, killed $x0, 1 :: (store 4 into %ir.arrayidx3)
RET undef $lr
|