derek.holloway
7502bf64a4
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29 lines
801 B
ArmAsm
29 lines
801 B
ArmAsm
## Verify that llvm-bolt removes nop instructions from functions with indirect
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## branches that have defined control flow.
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# REQUIRES: system-linux
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# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o
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# RUN: %clang %cflags --target=aarch64-unknown-linux %t.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe -o %t.bolt --print-normalized 2>&1 | FileCheck %s
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# RUN: llvm-objdump -d --disassemble-symbols=_start %t.bolt \
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# RUN: | FileCheck %s --check-prefix=CHECK-OBJDUMP
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# CHECK-OBJDUMP-LABEL: _start
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# CHECK-OBJDUMP-NOT: nop
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.section .text
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.align 4
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.globl _start
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.type _start, %function
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_start:
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# CHECK-LABEL: Binary Function "_start"
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nop
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# CHECK-NOT: nop
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br x0
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# CHECK: br x0 # TAILCALL
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.size _start, .-_start
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## Force relocation mode.
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.reloc 0, R_AARCH64_NONE
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