; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -mtriple arm64e-apple-darwin \ ; RUN: -aarch64-enable-collect-loh=false \ ; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \ ; RUN: -o - %s | FileCheck %s --check-prefix=MACHO ; RUN: llc -mtriple arm64e-apple-darwin \ ; RUN: -fast-isel \ ; RUN: -aarch64-enable-collect-loh=false \ ; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \ ; RUN: -o - %s | FileCheck %s --check-prefix=MACHO ; RUN: llc -mtriple arm64e-apple-darwin \ ; RUN: -global-isel -global-isel-abort=1 -verify-machineinstrs \ ; RUN: -aarch64-enable-collect-loh=false \ ; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \ ; RUN: -o - %s | FileCheck %s --check-prefix=MACHO ; RUN: llc -mtriple aarch64-elf -mattr=+pauth \ ; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \ ; RUN: -o - %s | FileCheck %s --check-prefix=ELF ; RUN: llc -mtriple aarch64-elf -mattr=+pauth \ ; RUN: -fast-isel \ ; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \ ; RUN: -o - %s | FileCheck %s --check-prefix=ELF ; RUN: llc -mtriple aarch64-elf -mattr=+pauth \ ; RUN: -global-isel -global-isel-abort=1 -verify-machineinstrs \ ; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \ ; RUN: -o - %s | FileCheck %s --check-prefix=ELF ;; The discriminator is the same for all blockaddresses in the function. ;; ptrauth_string_discriminator("test_indirectbr blockaddress") == 34947 define i32 @test_indirectbr() #0 { ; MACHO-LABEL: test_indirectbr: ; MACHO: ; %bb.0: ; %entry ; MACHO-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; MACHO-NEXT: adrp x16, Ltmp0@PAGE ; MACHO-NEXT: add x16, x16, Ltmp0@PAGEOFF ; MACHO-NEXT: mov x17, #34947 ; =0x8883 ; MACHO-NEXT: pacia x16, x17 ; MACHO-NEXT: mov x0, x16 ; MACHO-NEXT: adrp x16, Ltmp1@PAGE ; MACHO-NEXT: add x16, x16, Ltmp1@PAGEOFF ; MACHO-NEXT: mov x17, #34947 ; =0x8883 ; MACHO-NEXT: pacia x16, x17 ; MACHO-NEXT: mov x1, x16 ; MACHO-NEXT: bl _dummy_choose ; MACHO-NEXT: mov x17, #34947 ; =0x8883 ; MACHO-NEXT: braa x0, x17 ; MACHO-NEXT: Ltmp0: ; Block address taken ; MACHO-NEXT: LBB0_1: ; %bb1 ; MACHO-NEXT: mov w0, #1 ; =0x1 ; MACHO-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; MACHO-NEXT: ret ; MACHO-NEXT: Ltmp1: ; Block address taken ; MACHO-NEXT: LBB0_2: ; %bb2 ; MACHO-NEXT: mov w0, #2 ; =0x2 ; MACHO-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; MACHO-NEXT: ret ; ; ELF-LABEL: test_indirectbr: ; ELF: // %bb.0: // %entry ; ELF-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill ; ELF-NEXT: adrp x16, .Ltmp0 ; ELF-NEXT: add x16, x16, :lo12:.Ltmp0 ; ELF-NEXT: mov x17, #34947 // =0x8883 ; ELF-NEXT: pacia x16, x17 ; ELF-NEXT: mov x0, x16 ; ELF-NEXT: adrp x16, .Ltmp1 ; ELF-NEXT: add x16, x16, :lo12:.Ltmp1 ; ELF-NEXT: mov x17, #34947 // =0x8883 ; ELF-NEXT: pacia x16, x17 ; ELF-NEXT: mov x1, x16 ; ELF-NEXT: bl dummy_choose ; ELF-NEXT: mov x17, #34947 // =0x8883 ; ELF-NEXT: braa x0, x17 ; ELF-NEXT: .Ltmp0: // Block address taken ; ELF-NEXT: .LBB0_1: // %bb1 ; ELF-NEXT: mov w0, #1 // =0x1 ; ELF-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload ; ELF-NEXT: ret ; ELF-NEXT: .Ltmp1: // Block address taken ; ELF-NEXT: .LBB0_2: // %bb2 ; ELF-NEXT: mov w0, #2 // =0x2 ; ELF-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload ; ELF-NEXT: ret entry: %tmp0 = call ptr @dummy_choose(ptr blockaddress(@test_indirectbr, %bb1), ptr blockaddress(@test_indirectbr, %bb2)) indirectbr ptr %tmp0, [label %bb1, label %bb2] bb1: ret i32 1 bb2: ret i32 2 } define ptr @test_indirectbr_other_function() #0 { ; MACHO-LABEL: test_indirectbr_other_function: ; MACHO: ; %bb.0: ; MACHO-NEXT: adrp x16, Ltmp0@PAGE ; MACHO-NEXT: add x16, x16, Ltmp0@PAGEOFF ; MACHO-NEXT: mov x17, #34947 ; =0x8883 ; MACHO-NEXT: pacia x16, x17 ; MACHO-NEXT: mov x0, x16 ; MACHO-NEXT: ret ; ; ELF-LABEL: test_indirectbr_other_function: ; ELF: // %bb.0: ; ELF-NEXT: adrp x16, .Ltmp0 ; ELF-NEXT: add x16, x16, :lo12:.Ltmp0 ; ELF-NEXT: mov x17, #34947 // =0x8883 ; ELF-NEXT: pacia x16, x17 ; ELF-NEXT: mov x0, x16 ; ELF-NEXT: ret ret ptr blockaddress(@test_indirectbr, %bb1) } ;; Test another function to compare the discriminator. ;; ptrauth_string_discriminator("test_indirectbr_2 blockaddress") == 40224 define i32 @test_indirectbr_2() #0 { ; MACHO-LABEL: test_indirectbr_2: ; MACHO: ; %bb.0: ; %entry ; MACHO-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; MACHO-NEXT: adrp x16, Ltmp2@PAGE ; MACHO-NEXT: add x16, x16, Ltmp2@PAGEOFF ; MACHO-NEXT: mov x17, #40224 ; =0x9d20 ; MACHO-NEXT: pacia x16, x17 ; MACHO-NEXT: mov x0, x16 ; MACHO-NEXT: adrp x16, Ltmp3@PAGE ; MACHO-NEXT: add x16, x16, Ltmp3@PAGEOFF ; MACHO-NEXT: mov x17, #40224 ; =0x9d20 ; MACHO-NEXT: pacia x16, x17 ; MACHO-NEXT: mov x1, x16 ; MACHO-NEXT: bl _dummy_choose ; MACHO-NEXT: mov x17, #40224 ; =0x9d20 ; MACHO-NEXT: braa x0, x17 ; MACHO-NEXT: Ltmp2: ; Block address taken ; MACHO-NEXT: LBB2_1: ; %bb1 ; MACHO-NEXT: mov w0, #1 ; =0x1 ; MACHO-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; MACHO-NEXT: ret ; MACHO-NEXT: Ltmp3: ; Block address taken ; MACHO-NEXT: LBB2_2: ; %bb2 ; MACHO-NEXT: mov w0, #2 ; =0x2 ; MACHO-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; MACHO-NEXT: ret ; ; ELF-LABEL: test_indirectbr_2: ; ELF: // %bb.0: // %entry ; ELF-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill ; ELF-NEXT: adrp x16, .Ltmp2 ; ELF-NEXT: add x16, x16, :lo12:.Ltmp2 ; ELF-NEXT: mov x17, #40224 // =0x9d20 ; ELF-NEXT: pacia x16, x17 ; ELF-NEXT: mov x0, x16 ; ELF-NEXT: adrp x16, .Ltmp3 ; ELF-NEXT: add x16, x16, :lo12:.Ltmp3 ; ELF-NEXT: mov x17, #40224 // =0x9d20 ; ELF-NEXT: pacia x16, x17 ; ELF-NEXT: mov x1, x16 ; ELF-NEXT: bl dummy_choose ; ELF-NEXT: mov x17, #40224 // =0x9d20 ; ELF-NEXT: braa x0, x17 ; ELF-NEXT: .Ltmp2: // Block address taken ; ELF-NEXT: .LBB2_1: // %bb1 ; ELF-NEXT: mov w0, #1 // =0x1 ; ELF-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload ; ELF-NEXT: ret ; ELF-NEXT: .Ltmp3: // Block address taken ; ELF-NEXT: .LBB2_2: // %bb2 ; ELF-NEXT: mov w0, #2 // =0x2 ; ELF-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload ; ELF-NEXT: ret entry: %tmp0 = call ptr @dummy_choose(ptr blockaddress(@test_indirectbr_2, %bb1), ptr blockaddress(@test_indirectbr_2, %bb2)) indirectbr ptr %tmp0, [label %bb1, label %bb2] bb1: ret i32 1 bb2: ret i32 2 } ;; Check we don't interfere with jump-table BRIND lowering. ; MACHO-LABEL: test_jumptable: ; MACHO: adrp x9, LJTI3_0@PAGE ; MACHO-NEXT: add x9, x9, LJTI3_0@PAGEOFF ; MACHO-NEXT: adr x10, LBB3_2 ; MACHO-NEXT: ldrb w11, [x9, x8] ; MACHO-NEXT: add x10, x10, x11, lsl #2 ; MACHO-NEXT: br x10 ; ELF-LABEL: test_jumptable: ; ELF: adrp x9, .LJTI3_0 ; ELF-NEXT: add x9, x9, :lo12:.LJTI3_0 ; ELF-NEXT: adr x10, .LBB3_2 ; ELF-NEXT: ldrb w11, [x9, x8] ; ELF-NEXT: add x10, x10, x11, lsl #2 ; ELF-NEXT: br x10 define i32 @test_jumptable(i32 %in) #0 { switch i32 %in, label %def [ i32 0, label %lbl1 i32 1, label %lbl2 ] def: ret i32 0 lbl1: ret i32 1 lbl2: ret i32 2 } ; MACHO-LABEL: .globl _test_indirectbr_array ; MACHO-NEXT: .p2align 4 ; MACHO-NEXT: _test_indirectbr_array: ; MACHO-NEXT: .quad Ltmp0@AUTH(ia,34947) ; MACHO-NEXT: .quad Ltmp1@AUTH(ia,34947) ; MACHO-NEXT: .quad Ltmp2@AUTH(ia,40224) ; MACHO-NEXT: .quad Ltmp3@AUTH(ia,40224) ; ELF-LABEL: .globl test_indirectbr_array ; ELF-NEXT: .p2align 4, 0x0 ; ELF-NEXT: test_indirectbr_array: ; ELF-NEXT: .xword .Ltmp0@AUTH(ia,34947) ; ELF-NEXT: .xword .Ltmp1@AUTH(ia,34947) ; ELF-NEXT: .xword .Ltmp2@AUTH(ia,40224) ; ELF-NEXT: .xword .Ltmp3@AUTH(ia,40224) ; ELF-NEXT: .size test_indirectbr_array, 32 @test_indirectbr_array = constant [4 x ptr] [ ptr blockaddress(@test_indirectbr, %bb1), ptr blockaddress(@test_indirectbr, %bb2), ptr blockaddress(@test_indirectbr_2, %bb1), ptr blockaddress(@test_indirectbr_2, %bb2) ] declare ptr @dummy_choose(ptr, ptr) attributes #0 = { "ptrauth-indirect-gotos" nounwind }