derek.holloway
7502bf64a4
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74 lines
2.0 KiB
ArmAsm
74 lines
2.0 KiB
ArmAsm
# Test BOLT can do safe ICF for AArch64.
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# REQUIRES: system-linux,asserts
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# RUN: %clang %cflags -x assembler-with-cpp %s -o %t1.so -Wl,-q \
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# RUN: -Wl,-z,notext -DREF_BY_NON_CONTROL_FLOW_INSTR
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# RUN: %clang %cflags -x assembler-with-cpp %s -o %t2.so -Wl,-q \
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# RUN: -Wl,-z,notext -DREF_IN_RW_DATA_SEC
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# RUN: %clang %cflags -x assembler-with-cpp %s -o %t3.so -Wl,-q \
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# RUN: -Wl,-z,notext -DNO_DUMMY_TEXT_RELOC
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# RUN: llvm-bolt %t1.so -o %t.bolt --no-threads --debug-only=bolt-icf \
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# RUN: --icf=all 2>&1 | FileCheck %s --check-prefix=ICF-ALL
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# RUN: llvm-bolt %t2.so -o %t.bolt --no-threads --debug-only=bolt-icf \
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# RUN: --icf=all 2>&1 | FileCheck %s --check-prefix=ICF-ALL
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# RUN: llvm-bolt %t3.so -o %t.bolt --no-threads --debug-only=bolt-icf \
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# RUN: --icf=all 2>&1 | FileCheck %s --check-prefix=ICF-ALL
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# RUN: llvm-bolt %t1.so -o %t.bolt --no-threads --debug-only=bolt-icf \
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# RUN: --icf=safe 2>&1 | FileCheck %s --check-prefix=ICF-SAFE
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# RUN: llvm-bolt %t2.so -o %t.bolt --no-threads --debug-only=bolt-icf \
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# RUN: --icf=safe 2>&1 | FileCheck %s --check-prefix=ICF-SAFE
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# RUN: not llvm-bolt %t3.so -o %t.bolt --icf=safe 2>&1 | FileCheck %s \
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# RUN: --check-prefix=ERROR
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# ICF-ALL: folding bar into foo
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# ICF-SAFE: skipping function with reference taken foo
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# ERROR: binary built without relocations. Safe ICF is not supported
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.text
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.global foo
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.type foo, %function
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foo:
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mov x0, #0x10
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ret
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.global bar
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.type bar, %function
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bar:
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mov x0, #0x10
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ret
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#if defined(REF_IN_RW_DATA_SEC) && !defined(NO_DUMMY_TEXT_RELOC)
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# Dummy relocation to force relocation mode
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.reloc 0, R_AARCH64_NONE
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#endif
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#if defined(REF_BY_NON_CONTROL_FLOW_INSTR)
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.global random
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.type random, %function
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random:
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adrp x8, foo
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add x8, x8, :lo12:foo
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br x8
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#endif
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#if defined(REF_IN_RW_DATA_SEC)
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.data
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.balign 8
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.global funcptr
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funcptr:
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.xword foo
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#endif
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.section .rodata
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.global _ZTVxx
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.balign 8
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_ZTVxx:
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.xword foo
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.xword bar
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.size _ZTVxx, .-_ZTVxx
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