# RUN: not --crash llc -march=x86 -o - %s -run-pass=none -verify-machineinstrs \ # RUN: 2>&1 | FileCheck %s # REQUIRES: x86-registered-target # # Check that MachineVerifier catches corrupt operands where MO->isReg() # returns true, but the descriptor says it should be an OPERAND_IMMEDIATE or # OPERAND_PCREL. Conversely, if MO->isReg() (and MO->isFI()) returns false, # check that not an OPERAND_REGISTER is expected. # CHECK-LABEL: fun # CHECK: *** Bad machine code: Expected a register operand. *** # CHECK: - instruction: %1:gr32 = XOR32rm -1, %fixed-stack.1, 1, $noreg, 0, $noreg, implicit-def dead $eflags :: (load 4 from %fixed-stack.1, align 8) # CHECK: - operand 1: -1 # CHECK: *** Bad machine code: Expected a non-register operand. *** # CHECK: - instruction: %2:gr32 = OR32ri %1:gr32(tied-def 0), %0:gr32, implicit-def dead $eflags # CHECK: - operand 2: %0:gr32 name: fun tracksRegLiveness: true fixedStack: - { id: 1, offset: 8, size: 4, alignment: 8, isImmutable: true } - { id: 3, size: 4, alignment: 16, isImmutable: true } body: | bb.0: %0:gr32 = MOV32rm %fixed-stack.3, 1, $noreg, 0, $noreg :: (load 4 from %fixed-stack.3, align 16) ; Was: %1:gr32 = XOR32rm %0, %fixed-stack.1, 1, $noreg, 0, $noreg, implicit-def dead $eflags :: (load 4 from %fixed-stack.1, align 8) %1:gr32 = XOR32rm -1, %fixed-stack.1, 1, $noreg, 0, $noreg, implicit-def dead $eflags :: (load 4 from %fixed-stack.1, align 8) ; Was: %2:gr32 = OR32ri %1, -256, implicit-def dead $eflags %2:gr32 = OR32ri %1, %0, implicit-def dead $eflags %3:gr32 = MOV32ri -1 $eax = COPY %2 $edx = COPY %3 RET 0, $eax, $edx ...