forked from OSchip/llvm-project
95 lines
2.6 KiB
ArmAsm
95 lines
2.6 KiB
ArmAsm
# REQUIRES: ppc
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
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# RUN: ld.lld --no-toc-optimize -z separate-code %t.o -o %t
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# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
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# RUN: llvm-readelf -x .branch_lt %t | FileCheck %s -check-prefix=BRANCH-LE
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# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
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# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
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# RUN: ld.lld --no-toc-optimize -z separate-code %t.o -o %t
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# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
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# RUN: llvm-readelf -x .branch_lt %t | FileCheck %s -check-prefix=BRANCH-BE
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# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
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.text
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.abiversion 2
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.protected callee
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.globl callee
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.p2align 4
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.type callee,@function
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callee:
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.Lfunc_gep0:
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addis 2, 12, .TOC.-.Lfunc_gep0@ha
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addi 2, 2, .TOC.-.Lfunc_gep0@l
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.Lfunc_lep0:
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.localentry callee, .Lfunc_lep0-.Lfunc_gep0
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addis 4, 2, .LC0@toc@ha
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ld 4, .LC0@toc@l(4)
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lwz 3, 0(4)
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blr
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.space 0x2000000
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.protected _start
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.global _start
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.p2align 4
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.type _start,@function
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_start:
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.Lfunc_begin1:
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.Lfunc_gep1:
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addis 2, 12, .TOC.-.Lfunc_gep1@ha
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addi 2, 2, .TOC.-.Lfunc_gep1@l
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.Lfunc_lep1:
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.localentry _start, .Lfunc_lep1-.Lfunc_gep1
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mflr 0
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std 0, 16(1)
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stdu 1, -32(1)
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bl callee
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bl callee
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addi 1, 1, 32
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ld 0, 16(1)
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mtlr 0
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.section .toc,"aw",@progbits
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.LC0:
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.tc a[TC],a
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.data
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.type a,@object
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.globl a
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.p2align 2
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a:
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.long 11
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.size a, 4
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# NM: 0000000012028000 d .TOC.
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# Without --toc-optimize, compute the address of .toc[0] first. .toc[0] stores
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# the address of a.
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# .TOC. - callee = 0x12030000 - 0x10010000 = (514<<16) - 32768
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# CHECK: callee:
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# CHECK: 10010000: addis 2, 12, 514
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# CHECK: 10010004: addi 2, 2, -32768
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# CHECK: 10010008: addis 4, 2, 0
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# __long_branch_callee - . = 0x12010050 - 0x12010034 = 20
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# __long_branch_callee is not a PLT call stub. Calling it does not need TOC
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# restore, so it doesn't have to be followed by a nop.
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# CHECK: _start:
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# CHECK: 12010034: bl .+20
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# CHECK: 12010038: bl .+16
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# BRANCH-LE: section '.branch_lt':
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# BRANCH-LE-NEXT: 0x12030018 08000110 00000000
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# BRANCH-BE: section '.branch_lt':
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# BRANCH-BE-NEXT: 0x12030018 00000000 10010008
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# .branch_lt - .TOC. = 0x12030018 - 0x12028000 = (1<<16) - 32744
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# CHECK: __long_branch_callee:
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# CHECK-NEXT: 12010048: addis 12, 2, 1
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# CHECK-NEXT: ld 12, -32744(12)
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# CHECK-NEXT: mtctr 12
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# CHECK-NEXT: bctr
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