File: avx512-trap.test

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# Check that BOLT inserts trap instruction at entry to functions that use AVX-512.
# Check that AVX-512 instruction is updated correctly when -trap-avx512=0 is passed.

RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-unknown -o %t.o \
RUN:   %S/Inputs/avx512.s
RUN: ld.lld %t.o -o %t -q
RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t | \
RUN:   FileCheck %s --check-prefix=CHECK-DIS-NO-TRAP

RUN: llvm-bolt %t --trap-avx512=1 -o %t.bolt --lite=0 2>&1 | FileCheck %s
RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t.bolt | \
RUN:   FileCheck %s --check-prefix=CHECK-DIS

RUN: llvm-bolt %t --trap-avx512=0 -o %t.bolt --lite=0
RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t.bolt | \
RUN:   FileCheck %s --check-prefix=CHECK-DIS-NO-TRAP

CHECK: BOLT-WARNING: 1 function will trap on entry

# Check that we have two ud2 instructions - one per entry.
CHECK-DIS:      use_avx512
CHECK-DIS-NEXT:    ud2
CHECK-DIS-NEXT:    ud2

# Check that we generate correct AVX-512
CHECK-DIS-NO-TRAP:      use_avx512
CHECK-DIS-NO-TRAP:          62 e2 f5 70 2c da    	vscalefpd