xref: /llvm-project/bolt/test/X86/avx512-trap.test (revision 11791ae7b0b05b8bd8d806331ff51da618912cf8)
1## Check that BOLT inserts trap instruction at entry to functions that use AVX-512.
2## Check that AVX-512 instruction is updated correctly when -trap-avx512=0 is passed.
3
4RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-unknown -o %t.o \
5RUN:   %S/Inputs/avx512.s
6RUN: ld.lld %t.o -o %t -q
7RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t | \
8RUN:   FileCheck %s --check-prefix=CHECK-DIS-NO-TRAP
9
10RUN: llvm-bolt %t --trap-avx512=1 -o %t.bolt --lite=0 2>&1 | FileCheck %s
11RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t.bolt | \
12RUN:   FileCheck %s --check-prefix=CHECK-DIS
13
14RUN: llvm-bolt %t --trap-avx512=0 -o %t.bolt --lite=0
15RUN: llvm-objdump -d --disassemble-symbols=use_avx512 %t.bolt | \
16RUN:   FileCheck %s --check-prefix=CHECK-DIS-NO-TRAP
17
18CHECK: BOLT-WARNING: 1 function will trap on entry
19
20## Check that we have two ud2 instructions - one per entry.
21CHECK-DIS:      use_avx512
22CHECK-DIS-NEXT:    ud2
23CHECK-DIS-NEXT:    ud2
24
25## Check that we generate correct AVX-512
26CHECK-DIS-NO-TRAP:      use_avx512
27CHECK-DIS-NO-TRAP:          62 e2 f5 70 2c da    	vscalefpd
28