1# REQUIRES: aarch64 2# RUN: rm -rf %t; split-file %s %t 3 4# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin19.0.0 %t/main.s -o %t/main.o 5# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin19.0.0 %t/f2.s -o %t/f2.o 6# RUN: %lld -arch arm64 -lSystem --icf=all -o %t/main %t/main.o %t/f2.o 7# RUN: llvm-objdump -d --syms --print-imm-hex %t/main | FileCheck %s 8 9# CHECK-LABEL: SYMBOL TABLE: 10# CHECK: [[#%x,F1_REF:]] g F __TEXT,__text _f1 11# CHECK: [[#%x,F1_REF:]] g F __TEXT,__text _f2 12 13# CHECK-LABEL: Disassembly of section __TEXT,__text: 14# CHECK: <_main>: 15# CHECK: bl 0x[[#%x,F1_REF:]] 16# CHECK: bl 0x[[#%x,F1_REF:]] 17 18#--- main.s 19 20.subsections_via_symbols 21 22.literal16 23.p2align 3 24L_align16: 25.quad 0xffffffffffffffff 26.short 0xaaaa 27.short 0xaaaa 28.space 4, 0xaa 29 30.literal8 31.p2align 3 32L_align8: 33.quad 0xeeeeeeeeeeeeeeee 34 35.literal4 36.p2align 2 37L_align4: 38.short 0xbbbb 39.short 0xbbbb 40 41 42.text 43.p2align 2 44 45.globl _main, _f1, _f2 46 47## Test that loading from __literalN sections at non-literal boundaries 48## doesn't confuse ICF. This function should be folded with the identical 49## _f2 in f2 (which uses literals of the same value in a different isec). 50_f1: 51 adrp x9, L_align16@PAGE + 4 52 add x9, x9, L_align16@PAGEOFF + 4 53 ldr x10, [x9] 54 55 adrp x9, L_align8@PAGE + 4 56 add x9, x9, L_align8@PAGEOFF + 4 57 ldr w11, [x9] 58 59 adrp x9, L_align4@PAGE + 2 60 add x9, x9, L_align4@PAGEOFF + 2 61 ldrh w12, [x9] 62 63 ret 64 65_main: 66 bl _f1 67 bl _f2 68 69#--- f2.s 70 71.subsections_via_symbols 72 73.literal16 74.p2align 3 75L_align16: 76.quad 0xffffffffffffffff 77.short 0xaaaa 78.short 0xaaaa 79.space 4, 170 80 81.literal8 82.p2align 3 83L_align8: 84.quad 0xeeeeeeeeeeeeeeee 85 86.literal4 87.p2align 2 88L_align4: 89.short 0xbbbb 90.short 0xbbbb 91 92.text 93.p2align 2 94 95.globl _f2 96_f2: 97 adrp x9, L_align16@PAGE + 4 98 add x9, x9, L_align16@PAGEOFF + 4 99 ldr x10, [x9] 100 101 adrp x9, L_align8@PAGE + 4 102 add x9, x9, L_align8@PAGEOFF + 4 103 ldr w11, [x9] 104 105 adrp x9, L_align4@PAGE + 2 106 add x9, x9, L_align4@PAGEOFF + 2 107 ldrh w12, [x9] 108 109 ret 110