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29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
## Check that BOLT inserts trap instruction at entry to functions that use AVX-512.
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## Check that AVX-512 instruction is updated correctly when -trap-avx512=0 is passed.
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RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-unknown -o %t.o \
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RUN: %S/Inputs/avx512.s
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RUN: ld.lld %t.o -o %t -q
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RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t | \
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RUN: FileCheck %s --check-prefix=CHECK-DIS-NO-TRAP
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RUN: llvm-bolt %t --trap-avx512=1 -o %t.bolt --lite=0 2>&1 | FileCheck %s
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RUN: llvm-objdump -d --disassemble-symbols=use_avx512,secondary_entry %t.bolt | \
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RUN: FileCheck %s --check-prefix=CHECK-DIS
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RUN: llvm-bolt %t --trap-avx512=0 -o %t.bolt --lite=0
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RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t.bolt | \
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RUN: FileCheck %s --check-prefix=CHECK-DIS-NO-TRAP
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CHECK: BOLT-WARNING: 1 function will trap on entry
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## Check that we have two ud2 instructions - one per entry.
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CHECK-DIS: use_avx512
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CHECK-DIS-NEXT: ud2
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CHECK-DIS: <secondary_entry>:
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CHECK-DIS-NEXT: ud2
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## Check that we generate correct AVX-512
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CHECK-DIS-NO-TRAP: use_avx512
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CHECK-DIS-NO-TRAP: 62 e2 f5 70 2c da vscalefpd
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