forked from OSchip/llvm-project
110 lines
2.0 KiB
ArmAsm
110 lines
2.0 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: rm -rf %t; split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin19.0.0 %t/main.s -o %t/main.o
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin19.0.0 %t/f2.s -o %t/f2.o
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# RUN: %lld -arch arm64 -lSystem --icf=all -o %t/main %t/main.o %t/f2.o
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# RUN: llvm-objdump -d --syms --print-imm-hex %t/main | FileCheck %s
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# CHECK-LABEL: SYMBOL TABLE:
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# CHECK: [[#%x,F1_REF:]] g F __TEXT,__text _f1
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# CHECK: [[#%x,F1_REF:]] g F __TEXT,__text _f2
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# CHECK-LABEL: Disassembly of section __TEXT,__text:
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# CHECK: <_main>:
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# CHECK: bl 0x[[#%x,F1_REF:]]
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# CHECK: bl 0x[[#%x,F1_REF:]]
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#--- main.s
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.subsections_via_symbols
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.literal16
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.p2align 3
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L_align16:
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.quad 0xffffffffffffffff
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.short 0xaaaa
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.short 0xaaaa
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.space 4, 0xaa
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.literal8
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.p2align 3
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L_align8:
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.quad 0xeeeeeeeeeeeeeeee
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.literal4
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.p2align 2
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L_align4:
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.short 0xbbbb
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.short 0xbbbb
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.text
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.p2align 2
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.globl _main, _f1, _f2
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## Test that loading from __literalN sections at non-literal boundaries
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## doesn't confuse ICF. This function should be folded with the identical
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## _f2 in f2 (which uses literals of the same value in a different isec).
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_f1:
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adrp x9, L_align16@PAGE + 4
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add x9, x9, L_align16@PAGEOFF + 4
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ldr x10, [x9]
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adrp x9, L_align8@PAGE + 4
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add x9, x9, L_align8@PAGEOFF + 4
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ldr w11, [x9]
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adrp x9, L_align4@PAGE + 2
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add x9, x9, L_align4@PAGEOFF + 2
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ldrh w12, [x9]
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ret
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_main:
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bl _f1
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bl _f2
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#--- f2.s
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.subsections_via_symbols
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.literal16
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.p2align 3
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L_align16:
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.quad 0xffffffffffffffff
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.short 0xaaaa
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.short 0xaaaa
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.space 4, 170
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.literal8
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.p2align 3
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L_align8:
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.quad 0xeeeeeeeeeeeeeeee
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.literal4
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.p2align 2
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L_align4:
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.short 0xbbbb
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.short 0xbbbb
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.text
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.p2align 2
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.globl _f2
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_f2:
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adrp x9, L_align16@PAGE + 4
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add x9, x9, L_align16@PAGEOFF + 4
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ldr x10, [x9]
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adrp x9, L_align8@PAGE + 4
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add x9, x9, L_align8@PAGEOFF + 4
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ldr w11, [x9]
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adrp x9, L_align4@PAGE + 2
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add x9, x9, L_align4@PAGEOFF + 2
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ldrh w12, [x9]
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ret
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