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clang-p2996/llvm/test/CodeGen/AArch64/ptrauth-reloc.ll
Daniil Kovalev 690480f588 [PAC][AArch64] Lower ptrauth constants in data (#94240) 
Lower global references to ptrauth constants into `@AUTH` `MCExpr`'s.
The logic is common for MachO and ELF - test both.

---------

Co-authored-by: Ahmed Bougacha <ahmed@bougacha.org>
2024-06-11 07:28:42 +03:00

177 lines
6.4 KiB
LLVM
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; RUN: rm -rf %t && split-file %s %t && cd %t
;--- ok.ll
; RUN: llc < ok.ll -mtriple arm64e-apple-darwin \
; RUN: | FileCheck %s --check-prefix=CHECK-MACHO
; RUN: llc < ok.ll -mtriple aarch64-elf -mattr=+pauth \
; RUN: | FileCheck %s --check-prefix=CHECK-ELF
; RUN: llc < ok.ll -mtriple arm64e-apple-darwin \
; RUN: -global-isel -verify-machineinstrs -global-isel-abort=1 \
; RUN: | FileCheck %s --check-prefix=CHECK-MACHO
; RUN: llc < ok.ll -mtriple aarch64-elf -mattr=+pauth \
; RUN: -global-isel -verify-machineinstrs -global-isel-abort=1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ELF
@g = external global i32
@g_weak = extern_weak global i32
@g_strong_def = constant i32 42
; CHECK-ELF-LABEL: .globl g.ref.ia.0
; CHECK-ELF-NEXT: .p2align 4
; CHECK-ELF-NEXT: g.ref.ia.0:
; CHECK-ELF-NEXT: .xword 5
; CHECK-ELF-NEXT: .xword g@AUTH(ia,0)
; CHECK-ELF-NEXT: .xword 6
; CHECK-MACHO-LABEL: .section __DATA,__const
; CHECK-MACHO-NEXT: .globl _g.ref.ia.0
; CHECK-MACHO-NEXT: .p2align 4
; CHECK-MACHO-NEXT: _g.ref.ia.0:
; CHECK-MACHO-NEXT: .quad 5
; CHECK-MACHO-NEXT: .quad _g@AUTH(ia,0)
; CHECK-MACHO-NEXT: .quad 6
@g.ref.ia.0 = constant { i64, ptr, i64 } { i64 5, ptr ptrauth (ptr @g, i32 0), i64 6 }
; CHECK-ELF-LABEL: .globl g.ref.ia.42
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g.ref.ia.42:
; CHECK-ELF-NEXT: .xword g@AUTH(ia,42)
; CHECK-MACHO-LABEL: .globl _g.ref.ia.42
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g.ref.ia.42:
; CHECK-MACHO-NEXT: .quad _g@AUTH(ia,42)
@g.ref.ia.42 = constant ptr ptrauth (ptr @g, i32 0, i64 42)
; CHECK-ELF-LABEL: .globl g.ref.ib.0
; CHECK-ELF-NEXT: .p2align 4
; CHECK-ELF-NEXT: g.ref.ib.0:
; CHECK-ELF-NEXT: .xword 5
; CHECK-ELF-NEXT: .xword g@AUTH(ib,0)
; CHECK-ELF-NEXT: .xword 6
; CHECK-MACHO-LABEL: .globl _g.ref.ib.0
; CHECK-MACHO-NEXT: .p2align 4
; CHECK-MACHO-NEXT: _g.ref.ib.0:
; CHECK-MACHO-NEXT: .quad 5
; CHECK-MACHO-NEXT: .quad _g@AUTH(ib,0)
; CHECK-MACHO-NEXT: .quad 6
@g.ref.ib.0 = constant { i64, ptr, i64 } { i64 5, ptr ptrauth (ptr @g, i32 1, i64 0), i64 6 }
; CHECK-ELF-LABEL: .globl g.ref.da.42.addr
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g.ref.da.42.addr:
; CHECK-ELF-NEXT: .xword g@AUTH(da,42,addr)
; CHECK-MACHO-LABEL: .globl _g.ref.da.42.addr
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g.ref.da.42.addr:
; CHECK-MACHO-NEXT: .quad _g@AUTH(da,42,addr)
@g.ref.da.42.addr = constant ptr ptrauth (ptr @g, i32 2, i64 42, ptr @g.ref.da.42.addr)
; CHECK-ELF-LABEL: .globl g.offset.ref.da.0
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g.offset.ref.da.0:
; CHECK-ELF-NEXT: .xword (g+16)@AUTH(da,0)
; CHECK-MACHO-LABEL: .globl _g.offset.ref.da.0
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g.offset.ref.da.0:
; CHECK-MACHO-NEXT: .quad (_g+16)@AUTH(da,0)
@g.offset.ref.da.0 = constant ptr ptrauth (i8* getelementptr (i8, ptr @g, i64 16), i32 2)
; CHECK-ELF-LABEL: .globl g.big_offset.ref.da.0
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g.big_offset.ref.da.0:
; CHECK-ELF-NEXT: .xword (g+2147549185)@AUTH(da,0)
; CHECK-MACHO-LABEL: .globl _g.big_offset.ref.da.0
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g.big_offset.ref.da.0:
; CHECK-MACHO-NEXT: .quad (_g+2147549185)@AUTH(da,0)
@g.big_offset.ref.da.0 = constant ptr ptrauth (i8* getelementptr (i8, ptr @g, i64 add (i64 2147483648, i64 65537)), i32 2)
; CHECK-ELF-LABEL: .globl g.weird_ref.da.0
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g.weird_ref.da.0:
; CHECK-ELF-NEXT: .xword (g+16)@AUTH(da,0)
; CHECK-MACHO-LABEL: .globl _g.weird_ref.da.0
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g.weird_ref.da.0:
; CHECK-MACHO-NEXT: .quad (_g+16)@AUTH(da,0)
@g.weird_ref.da.0 = constant i64 ptrtoint (ptr inttoptr (i64 ptrtoint (ptr ptrauth (i8* getelementptr (i8, ptr @g, i64 16), i32 2) to i64) to ptr) to i64)
; CHECK-ELF-LABEL: .globl g_weak.ref.ia.42
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g_weak.ref.ia.42:
; CHECK-ELF-NEXT: .xword g_weak@AUTH(ia,42)
; CHECK-MACHO-LABEL: .globl _g_weak.ref.ia.42
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g_weak.ref.ia.42:
; CHECK-MACHO-NEXT: .quad _g_weak@AUTH(ia,42)
@g_weak.ref.ia.42 = constant ptr ptrauth (ptr @g_weak, i32 0, i64 42)
; CHECK-ELF-LABEL: .globl g_strong_def.ref.da.0
; CHECK-ELF-NEXT: .p2align 3
; CHECK-ELF-NEXT: g_strong_def.ref.da.0:
; CHECK-ELF-NEXT: .xword g_strong_def@AUTH(da,0)
; CHECK-MACHO-LABEL: .globl _g_strong_def.ref.da.0
; CHECK-MACHO-NEXT: .p2align 3
; CHECK-MACHO-NEXT: _g_strong_def.ref.da.0:
; CHECK-MACHO-NEXT: .quad _g_strong_def@AUTH(da,0)
@g_strong_def.ref.da.0 = constant ptr ptrauth (ptr @g_strong_def, i32 2)
;--- err-key.ll
; RUN: not --crash llc < err-key.ll -mtriple arm64e-apple-darwin 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-KEY
; RUN: not --crash llc < err-key.ll -mtriple aarch64-elf -mattr=+pauth 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-KEY
; RUN: not --crash llc < err-key.ll -mtriple arm64e-apple-darwin \
; RUN: -global-isel -verify-machineinstrs -global-isel-abort=1 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-KEY
; RUN: not --crash llc < err-key.ll -mtriple aarch64-elf -mattr=+pauth \
; RUN: -global-isel -verify-machineinstrs -global-isel-abort=1 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-KEY
; CHECK-ERR-KEY: LLVM ERROR: AArch64 PAC Key ID '4' out of range [0, 3]
@g = external global i32
@g.ref.4.0 = constant ptr ptrauth (ptr @g, i32 4, i64 0)
;--- err-disc.ll
; RUN: not --crash llc < err-disc.ll -mtriple arm64e-apple-darwin 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-DISC
; RUN: not --crash llc < err-disc.ll -mtriple aarch64-elf -mattr=+pauth 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-DISC
; RUN: not --crash llc < err-disc.ll -mtriple arm64e-apple-darwin \
; RUN: -global-isel -verify-machineinstrs -global-isel-abort=1 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-DISC
; RUN: not --crash llc < err-disc.ll -mtriple aarch64-elf -mattr=+pauth \
; RUN: -global-isel -verify-machineinstrs -global-isel-abort=1 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ERR-DISC
; CHECK-ERR-DISC: LLVM ERROR: AArch64 PAC Discriminator '65536' out of range [0, 0xFFFF]
@g = external global i32
@g.ref.ia.65536 = constant ptr ptrauth (ptr @g, i32 0, i64 65536)
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