1 ; RUN: llc -verify-machineinstrs -march=aarch64 %s -filetype=obj -o %t
2 ; RUN: llvm-objdump -s %t | FileCheck %s
7 define i64 @check_largest_class(i32 %in) {
10 %ext = zext i32 %res to i64
14 ; The really key points we're checking here are:
15 ; * Return register is x30.
16 ; * Pointer format is 0x1b (GNU doesn't appear to understand others).
18 ; The rest is largely incidental, but not expected to change regularly.
22 ; CHECK: Contents of section .eh_frame:
23 ; CHECK-NEXT: 0000 10000000 00000000 017a5200 017c1e01 .........zR..|..
24 ; CHECK-NEXT: 0010 1b0c1f00 18000000 18000000 00000000 ................
27 ; Won't check the rest, it's rather incidental.
28 ; 0020 24000000 00440c1f 10449e02 93040000 $....D...D......
33 ; 10000000: length of first CIE = 0x10
34 ; 00000000: This is a CIE
36 ; 7a 52 00: augmentation string "zR" -- pointer format is specified
37 ; 01: code alignment factor 1
38 ; 7c: data alignment factor -4
39 ; 1e: return address register 30 (== x30).
40 ; 01: 1 byte of augmentation
41 ; 1b: pointer format 1b: DW_EH_PE_pcrel | DW_EH_PE_sdata4
42 ; 0c 1f 00: initial instructions: "DW_CFA_def_cfa x31 ofs 0" in this case
46 ; 18000000: FDE length 0x18
47 ; 18000000: Uses CIE 0x18 backwards (only coincidentally same as above)
48 ; 00000000: PC begin for this FDE is at 00000000 (relocation is applied here)
49 ; 24000000: FDE applies up to PC begin+0x24
50 ; 00: Augmentation string length 0 for this FDE
51 ; Rest: call frame instructions