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|
; RUN: rm -rf %t && split-file %s %t
;--- err1.ll
; RUN: not --crash llc %t/err1.ll -mtriple=aarch64-elf \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -code-model=large \
; RUN: -o - -verify-machineinstrs 2>&1 | FileCheck %s --check-prefix=ERR1
; RUN: not --crash llc %t/err1.ll -mtriple=aarch64-elf \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -global-isel -global-isel-abort=1 \
; RUN: -code-model=large \
; RUN: -o - -verify-machineinstrs 2>&1 | FileCheck %s --check-prefix=ERR1
; ERR1: LLVM ERROR: Unsupported code-model for hardened jump-table
define i32 @test_jumptable(i32 %in) "aarch64-jump-table-hardening" {
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
}
;--- test.ll
; RUN: llc %t/test.ll -mtriple=arm64-apple-darwin -aarch64-enable-collect-loh=0 \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -o - -verify-machineinstrs | FileCheck %s --check-prefix=MACHO
; RUN: llc %t/test.ll -mtriple=arm64-apple-darwin -aarch64-enable-collect-loh=0 \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -global-isel -global-isel-abort=1 \
; RUN: -o - -verify-machineinstrs | FileCheck %s --check-prefix=MACHO
; RUN: llc %t/test.ll -mtriple=arm64-apple-darwin -aarch64-enable-collect-loh=0 \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -code-model=large \
; RUN: -o - -verify-machineinstrs | FileCheck %s --check-prefix=MACHO
; RUN: llc %t/test.ll -mtriple=arm64-apple-darwin -aarch64-enable-collect-loh=0 \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -global-isel -global-isel-abort=1 \
; RUN: -code-model=large \
; RUN: -o - -verify-machineinstrs | FileCheck %s --check-prefix=MACHO
; RUN: llc %t/test.ll -mtriple=aarch64-elf \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -o - -verify-machineinstrs | FileCheck %s --check-prefix=ELF
; RUN: llc %t/test.ll -mtriple=aarch64-elf \
; RUN: -aarch64-min-jump-table-entries=1 -aarch64-enable-atomic-cfg-tidy=0 \
; RUN: -global-isel -global-isel-abort=1 \
; RUN: -o - -verify-machineinstrs | FileCheck %s --check-prefix=ELF
; MACHO-LABEL: test_jumptable:
; MACHO: mov w16, w0
; MACHO: cmp x16, #5
; MACHO: csel x16, x16, xzr, ls
; MACHO-NEXT: adrp x17, LJTI0_0@PAGE
; MACHO-NEXT: add x17, x17, LJTI0_0@PAGEOFF
; MACHO-NEXT: ldrsw x16, [x17, x16, lsl #2]
; MACHO-NEXT: Ltmp0:
; MACHO-NEXT: adr x17, Ltmp0
; MACHO-NEXT: add x16, x17, x16
; MACHO-NEXT: br x16
; ELF-LABEL: test_jumptable:
; ELF: mov w16, w0
; ELF: cmp x16, #5
; ELF: csel x16, x16, xzr, ls
; ELF-NEXT: adrp x17, .LJTI0_0
; ELF-NEXT: add x17, x17, :lo12:.LJTI0_0
; ELF-NEXT: ldrsw x16, [x17, x16, lsl #2]
; ELF-NEXT: .Ltmp0:
; ELF-NEXT: adr x17, .Ltmp0
; ELF-NEXT: add x16, x17, x16
; ELF-NEXT: br x16
define i32 @test_jumptable(i32 %in) "aarch64-jump-table-hardening" {
switch i32 %in, label %def [
i32 0, label %lbl1
i32 1, label %lbl2
i32 2, label %lbl3
i32 4, label %lbl4
i32 5, label %lbl5
]
def:
ret i32 0
lbl1:
ret i32 1
lbl2:
ret i32 2
lbl3:
ret i32 4
lbl4:
ret i32 8
lbl5:
ret i32 10
}
; MACHO-LABEL: LJTI0_0:
; MACHO-NEXT: .long LBB{{[0-9_]+}}-Ltmp0
; MACHO-NEXT: .long LBB{{[0-9_]+}}-Ltmp0
; MACHO-NEXT: .long LBB{{[0-9_]+}}-Ltmp0
; MACHO-NEXT: .long LBB{{[0-9_]+}}-Ltmp0
; MACHO-NEXT: .long LBB{{[0-9_]+}}-Ltmp0
; MACHO-NEXT: .long LBB{{[0-9_]+}}-Ltmp0
; ELF-LABEL: .LJTI0_0:
; ELF-NEXT: .word .LBB{{[0-9_]+}}-.Ltmp0
; ELF-NEXT: .word .LBB{{[0-9_]+}}-.Ltmp0
; ELF-NEXT: .word .LBB{{[0-9_]+}}-.Ltmp0
; ELF-NEXT: .word .LBB{{[0-9_]+}}-.Ltmp0
; ELF-NEXT: .word .LBB{{[0-9_]+}}-.Ltmp0
; ELF-NEXT: .word .LBB{{[0-9_]+}}-.Ltmp0
|
