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1 # REQUIRES: ppc
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2 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
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3 # RUN: echo 'addis 5, 2, .LC0@toc@ha; ld 5, .LC0@toc@l(5); foo: \
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4 # RUN: .section .toc,"aw",@progbits; .LC0: .tc foo[TC], foo' \
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5 # RUN: | llvm-mc -filetype=obj -triple=powerpc64le - -o %t1.o
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6 # RUN: ld.lld %t.o %t1.o -o %t
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7 # RUN: llvm-objdump -d %t | FileCheck %s
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8
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9 # CHECK-LABEL: <_start>:
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10 .globl _start
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11 _start:
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12 ## Perform toc-indirect to toc-relative relaxation even if there are unrelated instructions in between.
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13 # CHECK-NEXT: addis 3, 2, -2
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14 # CHECK-NEXT: li 9, 0
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15 # CHECK-NEXT: addi 3, 3, 32752
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16 # CHECK-NEXT: lwa 3, 0(3)
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17 addis 3, 2, .LC1@toc@ha # R_PPC64_TOC16_HA
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18 li 9, 0
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19 ld 3, .LC1@toc@l(3) # R_PPC64_TOC16_LO_DS
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20 lwa 3, 0(3)
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21
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22 ## R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS can interleave.
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23 # CHECK-NEXT: addis 3, 2, -2
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24 # CHECK-NEXT: addis 4, 2, -2
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25 # CHECK-NEXT: addi 3, 3, 32752
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26 # CHECK-NEXT: addi 4, 4, 32756
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27 addis 3, 2, .LC1@toc@ha
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28 addis 4, 2, .LC2@toc@ha
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29 ld 3, .LC1@toc@l(3)
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30 ld 4, .LC2@toc@l(4)
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31
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32 ## We choose to be conservative: the presence of R_PPC64_TOC16_LO
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33 ## suppresses relaxation for the symbol.
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34 ## R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS pairs are not relaxed as well.
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35 # CHECK-NEXT: nop
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36 # CHECK-NEXT: addi 3, 2, -32768
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37 # CHECK-NEXT: li 9, 0
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38 # CHECK-NEXT: nop
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39 # CHECK-NEXT: ld 4, -32768(2)
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40 addis 3, 2, .LC0@toc@ha # R_PPC64_TOC16_HA
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41 addi 3, 3, .LC0@toc@l # R_PPC64_TOC16_LO
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42 li 9, 0
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43 addis 4, 2, .LC0@toc@ha
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44 ld 4, .LC0@toc@l(4)
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45
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46 # CHECK-COUNT-3: blr
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47 AES_encrypt:
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48 blr
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49 AES_decrypt:
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50 blr
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51 BN_free:
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52 blr
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53
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54 ## %t1.o has relaxable relocation pairs referencing its .toc which is different
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55 ## from %t.o(.toc). The suppression in %t.o does not affect %t1.o even if
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56 ## the relocation addends are the same.
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57 # CHECK-NEXT: addis 5, 2, -1
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58 # CHECK-NEXT: addi 5, 5, -32768
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59
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60 .section .toc,"aw",@progbits
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61 .LC0:
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62 .tc AES_encrypt[TC], AES_encrypt
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63 .LC1:
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64 .tc AES_decrypt[TC], AES_decrypt
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65 .LC2:
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66 .tc BN_free[TC], BN_free
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