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1; RUN: rm -rf %t && split-file %s %t && cd %t2 3;--- nodisc.ll4 5; RUN: llc -mtriple aarch64-elf -mattr=+pauth -filetype=asm -o - nodisc.ll | \6; RUN: FileCheck %s --check-prefix=ASM7; RUN: llc -mtriple aarch64-elf -mattr=+pauth -filetype=obj -o - nodisc.ll | \8; RUN: llvm-readelf -r -x .init_array -x .fini_array - | FileCheck %s --check-prefix=OBJ9 10; ASM: .section .init_array,"aw",@init_array11; ASM-NEXT: .p2align 3, 0x012; ASM-NEXT: .xword foo@AUTH(ia,55764)13; ASM-NEXT: .section .fini_array,"aw",@fini_array14; ASM-NEXT: .p2align 3, 0x015; ASM-NEXT: .xword bar@AUTH(ia,55764)16 17; OBJ: Relocation section '.rela.init_array' at offset 0x[[#]] contains 1 entries:18; OBJ-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend19; OBJ-NEXT: 0000000000000000 0000000700000244 R_AARCH64_AUTH_ABS64 0000000000000000 foo + 020; OBJ: Relocation section '.rela.fini_array' at offset 0x[[#]] contains 1 entries:21; OBJ-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend22; OBJ-NEXT: 0000000000000000 0000000800000244 R_AARCH64_AUTH_ABS64 0000000000000004 bar + 023; OBJ: Hex dump of section '.init_array':24; OBJ-NEXT: 0x00000000 00000000 d4d9000025; OBJ: Hex dump of section '.fini_array':26; OBJ-NEXT: 0x00000000 00000000 d4d9000027;; ^^^^ 0xD9D4: constant discriminator = 5576428;; ^^ 0x80: bits 61..60 key = IA; bit 63 addr disc = false29 30@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr ptrauth (ptr @foo, i32 0, i64 55764), ptr null }]31@llvm.global_dtors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr ptrauth (ptr @bar, i32 0, i64 55764), ptr null }]32 33define void @foo() {34 ret void35}36 37define void @bar() {38 ret void39}40 41;--- disc.ll42 43; RUN: llc -mtriple aarch64-elf -mattr=+pauth -filetype=asm -o - disc.ll | \44; RUN: FileCheck %s --check-prefix=ASM-DISC45; RUN: llc -mtriple aarch64-elf -mattr=+pauth -filetype=obj -o - disc.ll | \46; RUN: llvm-readelf -r -x .init_array -x .fini_array - | FileCheck %s --check-prefix=OBJ-DISC47 48; ASM-DISC: .section .init_array,"aw",@init_array49; ASM-DISC-NEXT: .p2align 3, 0x050; ASM-DISC-NEXT: .xword foo@AUTH(ia,55764,addr)51; ASM-DISC-NEXT: .section .fini_array,"aw",@fini_array52; ASM-DISC-NEXT: .p2align 3, 0x053; ASM-DISC-NEXT: .xword bar@AUTH(ia,55764,addr)54 55; OBJ-DISC: Relocation section '.rela.init_array' at offset 0x[[#]] contains 1 entries:56; OBJ-DISC-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend57; OBJ-DISC-NEXT: 0000000000000000 0000000700000244 R_AARCH64_AUTH_ABS64 0000000000000000 foo + 058; OBJ-DISC: Relocation section '.rela.fini_array' at offset 0x[[#]] contains 1 entries:59; OBJ-DISC-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend60; OBJ-DISC-NEXT: 0000000000000000 0000000800000244 R_AARCH64_AUTH_ABS64 0000000000000004 bar + 061; OBJ-DISC: Hex dump of section '.init_array':62; OBJ-DISC-NEXT: 0x00000000 00000000 d4d9008063; OBJ-DISC: Hex dump of section '.fini_array':64; OBJ-DISC-NEXT: 0x00000000 00000000 d4d9008065;; ^^^^ 0xD9D4: constant discriminator = 5576466;; ^^ 0x80: bits 61..60 key = IA; bit 63 addr disc = true67 68@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr ptrauth (ptr @foo, i32 0, i64 55764, ptr inttoptr (i64 1 to ptr)), ptr null }]69@llvm.global_dtors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr ptrauth (ptr @bar, i32 0, i64 55764, ptr inttoptr (i64 1 to ptr)), ptr null }]70 71define void @foo() {72 ret void73}74 75define void @bar() {76 ret void77}78 79;--- err1.ll80 81; RUN: not --crash llc -mtriple aarch64-elf -mattr=+pauth -filetype=asm -o - err1.ll 2>&1 | \82; RUN: FileCheck %s --check-prefix=ERR183 84; ERR1: LLVM ERROR: unexpected address discrimination value for ctors/dtors entry, only 'ptr inttoptr (i64 1 to ptr)' is allowed85 86@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr ptrauth (ptr @foo, i32 0, i64 55764, ptr inttoptr (i64 2 to ptr)), ptr null }]87 88define void @foo() {89 ret void90}91 92;--- err2.ll93 94; RUN: not --crash llc -mtriple aarch64-elf -mattr=+pauth -filetype=asm -o - err2.ll 2>&1 | \95; RUN: FileCheck %s --check-prefix=ERR296 97; ERR2: LLVM ERROR: unexpected address discrimination value for ctors/dtors entry, only 'ptr inttoptr (i64 1 to ptr)' is allowed98 99@g = external global ptr100@llvm.global_dtors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr ptrauth (ptr @bar, i32 0, i64 55764, ptr @g), ptr null }]101 102define void @bar() {103 ret void104}105