forked from OSchip/llvm-project
81 lines
1.7 KiB
ArmAsm
Executable File
81 lines
1.7 KiB
ArmAsm
Executable File
# This reproduces a bug where BOLT would read __hot_end as
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# the name of a function even when -hot-text is used, which
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# means BOLT will emit another __hot_end label, eventually
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# asserting due to a symbol redefinition in MCStreamer.
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# REQUIRES: system-linux
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
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# RUN: %s -o %t.o
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# RUN: link_fdata %s %t.o %t.fdata
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# RUN: llvm-strip --strip-unneeded %t.o
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# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe -relocs=1 -hot-text -reorder-functions=hfsort \
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# RUN: -data %t.fdata -o %t.out | FileCheck %s
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# RUN: %t.out 1
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# CHECK: BOLT-INFO: setting __hot_end to
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# RUN: llvm-nm -n %t.exe | FileCheck %s --check-prefix=CHECK-INPUT
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# RUN: llvm-nm -n %t.out | FileCheck %s --check-prefix=CHECK-OUTPUT
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# CHECK-INPUT: __hot_start
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# CHECK-INPUT-NEXT: main
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# CHECK-INPUT-NEXT: foo
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# CHECK-INPUT-NEXT: __hot_end
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# Our fdata only logs activity in main, so hot markers will change
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# CHECK-OUTPUT: __hot_start
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# CHECK-OUTPUT-NEXT: main
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# CHECK-OUTPUT-NEXT: __hot_end
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.text
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.globl main
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.type main, %function
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.globl __hot_start
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.type __hot_start, %object
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.p2align 4
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main:
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__hot_start:
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# FDATA: 0 [unknown] 0 1 main 0 0 510
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pushq %rbp
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movq %rsp, %rbp
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cmpl $0x2, %edi
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jb .BBend
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.BB2:
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callq bar
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leaq mystring, %rdi
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callq puts
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.BBend:
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xorq %rax, %rax
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leaveq
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retq
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.size main, .-main
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.globl foo
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.type foo, %function
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.p2align 4
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foo:
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retq
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.size foo, .-foo
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.globl __hot_end
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.type __hot_end, %object
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.p2align 2
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__hot_end:
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int3
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.size __hot_end, 0
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.globl bar
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.type bar, %function
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.p2align 4
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bar:
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retq
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.size bar, .-bar
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.data
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mystring: .asciz "test\n"
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