xref: /llvm-project/llvm/test/CodeGen/AArch64/framelayout-fp-csr.ll (revision 5987da8764b71cd59fec772323cc2003bd82da38)
1; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -disable-post-ra --frame-pointer=all < %s | FileCheck %s
2
3; The purpose of this test is to verify that frame pointer (x29)
4; is correctly setup in the presence of callee-saved floating
5; point registers.  The frame pointer should point to the frame
6; record, which is located 16 bytes above the end of the CSR
7; space when a single FP CSR is in use.
8define void @test1(i32) #26 {
9entry:
10  call void asm sideeffect "nop", "~{d8}"() #26
11  ret void
12}
13; CHECK-LABEL: test1:
14; CHECK:       str     d8, [sp, #-32]!
15; CHECK-NEXT:  stp     x29, x30, [sp, #16]
16; CHECK-NEXT:  add     x29, sp, #16
17; CHECK:       nop
18; CHECK:       ldp     x29, x30, [sp, #16]
19; CHECK-NEXT:  ldr     d8, [sp], #32
20; CHECK-NEXT:  ret
21
22attributes #26 = { nounwind }
23