1 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s 2 ; RUN: llc -code-model=large -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck --check-prefix=CHECK-LARGE %s 3 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -filetype=obj | llvm-readobj -r | FileCheck %s -check-prefix=CHECK-ELF 4 5 define i32 @test_jumptable(i32 %in) { 6 ; CHECK: test_jumptable 7 8 switch i32 %in, label %def [ 9 i32 0, label %lbl1 10 i32 1, label %lbl2 11 i32 2, label %lbl3 12 i32 4, label %lbl4 13 ] 14 ; CHECK: adrp [[JTPAGE:x[0-9]+]], .LJTI0_0 15 ; CHECK: add x[[JT:[0-9]+]], [[JTPAGE]], #:lo12:.LJTI0_0 16 ; CHECK: ldr [[DEST:x[0-9]+]], [x[[JT]], {{x[0-9]+}}, lsl #3] 17 ; CHECK: br [[DEST]] 18 19 ; CHECK-LARGE: movz x[[JTADDR:[0-9]+]], #:abs_g3:.LJTI0_0 20 ; CHECK-LARGE: movk x[[JTADDR]], #:abs_g2_nc:.LJTI0_0 21 ; CHECK-LARGE: movk x[[JTADDR]], #:abs_g1_nc:.LJTI0_0 22 ; CHECK-LARGE: movk x[[JTADDR]], #:abs_g0_nc:.LJTI0_0 23 ; CHECK-LARGE: ldr [[DEST:x[0-9]+]], [x[[JTADDR]], {{x[0-9]+}}, lsl #3] 24 ; CHECK-LARGE: br [[DEST]] 25 26 def: 27 ret i32 0 28 29 lbl1: 30 ret i32 1 31 32 lbl2: 33 ret i32 2 34 35 lbl3: 36 ret i32 4 37 38 lbl4: 39 ret i32 8 40 41 } 42 43 ; CHECK: .rodata 44 45 ; CHECK: .LJTI0_0: 46 ; CHECK-NEXT: .xword 47 ; CHECK-NEXT: .xword 48 ; CHECK-NEXT: .xword 49 ; CHECK-NEXT: .xword 50 ; CHECK-NEXT: .xword 51 52 ; ELF tests: 53 54 ; First make sure we get a page/lo12 pair in .text to pick up the jump-table 55 56 ; CHECK-ELF: Relocations [ 57 ; CHECK-ELF: Section ({{[0-9]+}}) .rela.text { 58 ; CHECK-ELF-NEXT: 0x{{[0-9,A-F]+}} R_AARCH64_ADR_PREL_PG_HI21 .rodata 59 ; CHECK-ELF-NEXT: 0x{{[0-9,A-F]+}} R_AARCH64_ADD_ABS_LO12_NC .rodata 60 ; CHECK-ELF: } 61 62 ; Also check the targets in .rodata are relocated 63 ; CHECK-ELF: Section ({{[0-9]+}}) .rela.rodata { 64 ; CHECK-ELF-NEXT: 0x{{[0-9,A-F]+}} R_AARCH64_ABS64 .text 65 ; CHECK-ELF: } 66 ; CHECK-ELF: ] 67
