xref: /llvm-project/llvm/test/CodeGen/AArch64/settag-merge-nonaligned-fp.ll (revision a4ab294bc01c8f538951ec223b81bfc1b2c2af6b)
1; RUN: llc < %s -aarch64-order-frame-objects=0 | FileCheck %s
2; Regression test for bug that occured with FP that was not 16-byte aligned.
3; We would miscalculate the offset for the st2g.
4
5target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
6target triple = "aarch64-unknown-linux-android10000"
7
8; Function Attrs: sanitize_memtag sspstrong
9define void @test(ptr %agg.result, float %call, i32 %size) #1 personality ptr null {
10entry:
11  %0 = alloca i64, align 8
12  %1 = alloca i64, align 8
13  %2 = alloca i64, align 8
14  %3 = alloca i64, align 8
15  %4 = alloca i64, i32 %size, align 8  ; VLA to force use of FP for st2g
16  call void @test1(ptr %0)
17  call void @test1(ptr %1)
18  call void @test1(ptr %2)
19  call void @test1(ptr %3)
20  store float %call, ptr %agg.result, align 8
21  ret void
22}
23
24; CHECK-LABEL: test
25; CHECK: sub	x8, x29, #88
26; CHECK: st2g	sp, [x8, #32]
27; CHECK: st2g	sp, [x8]
28
29declare void @test1(ptr)
30
31attributes #1 = { sanitize_memtag sspstrong "frame-pointer"="non-leaf" "target-features"="+mte,+neon" }
32