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