derek.holloway
7502bf64a4
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67 lines
1.9 KiB
ArmAsm
67 lines
1.9 KiB
ArmAsm
# REQUIRES: ppc
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
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# RUN: echo 'addis 5, 2, .LC0@toc@ha; ld 5, .LC0@toc@l(5); foo: \
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# RUN: .section .toc,"aw",@progbits; .LC0: .tc foo[TC], foo' \
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# RUN: | llvm-mc -filetype=obj -triple=powerpc64le - -o %t1.o
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# RUN: ld.lld %t.o %t1.o -o %t
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# RUN: llvm-objdump -d %t | FileCheck %s
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# CHECK-LABEL: <_start>:
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.globl _start
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_start:
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## Perform toc-indirect to toc-relative relaxation even if there are unrelated instructions in between.
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# CHECK-NEXT: addis 3, 2, -2
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# CHECK-NEXT: li 9, 0
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# CHECK-NEXT: addi 3, 3, 32752
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# CHECK-NEXT: lwa 3, 0(3)
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addis 3, 2, .LC1@toc@ha # R_PPC64_TOC16_HA
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li 9, 0
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ld 3, .LC1@toc@l(3) # R_PPC64_TOC16_LO_DS
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lwa 3, 0(3)
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## R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS can interleave.
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# CHECK-NEXT: addis 3, 2, -2
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# CHECK-NEXT: addis 4, 2, -2
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# CHECK-NEXT: addi 3, 3, 32752
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# CHECK-NEXT: addi 4, 4, 32756
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addis 3, 2, .LC1@toc@ha
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addis 4, 2, .LC2@toc@ha
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ld 3, .LC1@toc@l(3)
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ld 4, .LC2@toc@l(4)
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## We choose to be conservative: the presence of R_PPC64_TOC16_LO
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## suppresses relaxation for the symbol.
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## R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS pairs are not relaxed as well.
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# CHECK-NEXT: nop
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# CHECK-NEXT: addi 3, 2, -32768
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# CHECK-NEXT: li 9, 0
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# CHECK-NEXT: nop
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# CHECK-NEXT: ld 4, -32768(2)
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addis 3, 2, .LC0@toc@ha # R_PPC64_TOC16_HA
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addi 3, 3, .LC0@toc@l # R_PPC64_TOC16_LO
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li 9, 0
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addis 4, 2, .LC0@toc@ha
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ld 4, .LC0@toc@l(4)
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# CHECK-COUNT-3: blr
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AES_encrypt:
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blr
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AES_decrypt:
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blr
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BN_free:
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blr
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## %t1.o has relaxable relocation pairs referencing its .toc which is different
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## from %t.o(.toc). The suppression in %t.o does not affect %t1.o even if
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## the relocation addends are the same.
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# CHECK-NEXT: addis 5, 2, -1
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# CHECK-NEXT: addi 5, 5, -32768
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.section .toc,"aw",@progbits
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.LC0:
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.tc AES_encrypt[TC], AES_encrypt
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.LC1:
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.tc AES_decrypt[TC], AES_decrypt
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.LC2:
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.tc BN_free[TC], BN_free
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