derek.holloway
7502bf64a4
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162 lines
5.0 KiB
ArmAsm
162 lines
5.0 KiB
ArmAsm
# REQUIRES: loongarch
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# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+32s,+relax %s -o %t.32.o
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# RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+32s,+relax %s -o %t.64.o
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# RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 %t.32.o -o %t.32
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# RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 %t.64.o -o %t.64
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# RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 --no-relax %t.32.o -o %t.32n
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# RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 --no-relax %t.64.o -o %t.64n
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# RUN: llvm-objdump -td --no-show-raw-insn %t.32 | FileCheck --check-prefixes=RELAX,NOOLD %s
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# RUN: llvm-objdump -td --no-show-raw-insn %t.64 | FileCheck --check-prefixes=RELAX,NOOLD %s
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# RUN: llvm-objdump -td --no-show-raw-insn %t.32n | FileCheck --check-prefixes=NORELAX,NOOLD %s
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# RUN: llvm-objdump -td --no-show-raw-insn %t.64n | FileCheck --check-prefixes=NORELAX,NOOLD %s
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## Test the R_LARCH_ALIGN without symbol index.
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# RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax %s -o %t.o64.o --defsym=old=1
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# RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 %t.o64.o -o %t.o64
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# RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 --no-relax %t.o64.o -o %t.o64n
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# RUN: llvm-objdump -td --no-show-raw-insn %t.o64 | FileCheck --check-prefixes=RELAX,OLD %s
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# RUN: llvm-objdump -td --no-show-raw-insn %t.o64n | FileCheck --check-prefixes=NORELAX,OLD %s
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## -r keeps section contents unchanged.
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# RUN: ld.lld -r %t.64.o -o %t.64.r
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# RUN: llvm-objdump -dr --no-show-raw-insn %t.64.r | FileCheck %s --check-prefix=CHECKR
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# NOOLD: {{0*}}10000 l .text {{0*}}00 .Lalign_symbol
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# OLD: {{0*}}00001 l *ABS* {{0*}}00 old
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# NORELAX-DAG: {{0*}}10000 l .text {{0*}}44 .Ltext_start
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# NORELAX-DAG: {{0*}}10038 l .text {{0*}}0c .L1
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# NORELAX-DAG: {{0*}}10040 l .text {{0*}}04 .L2
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# NORELAX-DAG: {{0*}}20000 l .text2 {{0*}}14 .Ltext2_start
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# NORELAX: <.Ltext_start>:
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# NORELAX-NEXT: break 1
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# NORELAX-NEXT: break 2
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: break 3
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# NORELAX-NEXT: break 4
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: pcalau12i $a0, 0
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# NORELAX-NEXT: addi.{{[dw]}} $a0, $a0, 0
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# NORELAX-NEXT: pcalau12i $a0, 0
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# NORELAX-NEXT: addi.{{[dw]}} $a0, $a0, 56
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# NORELAX-NEXT: pcalau12i $a0, 0
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# NORELAX-NEXT: addi.{{[dw]}} $a0, $a0, 64
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# NORELAX-EMPTY:
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# NORELAX-NEXT: <.L1>:
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: nop
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# NORELAX-EMPTY:
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# NORELAX-NEXT: <.L2>:
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# NORELAX-NEXT: break 5
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# NORELAX: <.Ltext2_start>:
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# NORELAX-NEXT: pcalau12i $a0, 0
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# NORELAX-NEXT: addi.{{[dw]}} $a0, $a0, 0
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: nop
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# NORELAX-NEXT: break 6
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# RELAX-DAG: {{0*}}10000 l .text {{0*}}34 .Ltext_start
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# RELAX-DAG: {{0*}}1002c l .text {{0*}}08 .L1
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# RELAX-DAG: {{0*}}10030 l .text {{0*}}04 .L2
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# RELAX-DAG: {{0*}}20000 l .text2 {{0*}}14 .Ltext2_start
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# RELAX: <.Ltext_start>:
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# RELAX-NEXT: break 1
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# RELAX-NEXT: break 2
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# RELAX-NEXT: nop
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# RELAX-NEXT: nop
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# RELAX-NEXT: break 3
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# RELAX-NEXT: break 4
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# RELAX-NEXT: nop
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# RELAX-NEXT: nop
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# RELAX-NEXT: pcaddi $a0, -8
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# RELAX-NEXT: pcaddi $a0, 2
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# RELAX-NEXT: pcaddi $a0, 2
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# RELAX-EMPTY:
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# RELAX-NEXT: <.L1>:
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# RELAX-NEXT: nop
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# RELAX-EMPTY:
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# RELAX-NEXT: <.L2>:
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# RELAX-NEXT: break 5
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# RELAX: <.Ltext2_start>:
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# RELAX-NEXT: pcaddi $a0, 0
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# RELAX-NEXT: nop
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# RELAX-NEXT: nop
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# RELAX-NEXT: nop
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# RELAX-NEXT: break 6
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# CHECKR: <.Ltext2_start>:
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# CHECKR-NEXT: pcalau12i $a0, 0
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# CHECKR-NEXT: {{0*}}00: R_LARCH_PCALA_HI20 .Ltext2_start
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# CHECKR-NEXT: {{0*}}00: R_LARCH_RELAX *ABS*
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# CHECKR-NEXT: addi.d $a0, $a0, 0
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# CHECKR-NEXT: {{0*}}04: R_LARCH_PCALA_LO12 .Ltext2_start
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# CHECKR-NEXT: {{0*}}04: R_LARCH_RELAX *ABS*
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# CHECKR-NEXT: nop
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# CHECKR-NEXT: {{0*}}08: R_LARCH_ALIGN .Lalign_symbol+0x4
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# CHECKR-NEXT: nop
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# CHECKR-NEXT: nop
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# CHECKR-NEXT: break 6
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.macro .fake_p2align_4 max=0
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.ifdef old
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.if \max==0
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.reloc ., R_LARCH_ALIGN, 0xc
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nop; nop; nop
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.endif
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.else
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.reloc ., R_LARCH_ALIGN, .Lalign_symbol + 0x4 + (\max << 8)
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nop; nop; nop
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.endif
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.endm
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.text
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.Lalign_symbol:
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.Ltext_start:
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break 1
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break 2
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## +0x8: Emit 2 nops, delete 1 nop.
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.fake_p2align_4
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break 3
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## +0x14: Emit 3 nops > 8 bytes, not emit.
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.fake_p2align_4 8
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break 4
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.fake_p2align_4 8
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## +0x18: Emit 2 nops <= 8 bytes.
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## Compensate
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.ifdef old
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nop; nop
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.endif
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## +0x20: Test symbol value and symbol size can be handled.
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la.pcrel $a0, .Ltext_start
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la.pcrel $a0, .L1
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la.pcrel $a0, .L2
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## +0x38: Emit 2 nops, delete 1 nop.
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.L1:
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.fake_p2align_4
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.L2:
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break 5
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.size .L1, . - .L1
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.size .L2, . - .L2
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.size .Ltext_start, . - .Ltext_start
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## Test another text section.
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.section .text2,"ax",@progbits
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.Ltext2_start:
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la.pcrel $a0, .Ltext2_start
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.fake_p2align_4
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break 6
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.size .Ltext2_start, . - .Ltext2_start
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