69 lines
1.9 KiB
ArmAsm
69 lines
1.9 KiB
ArmAsm
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@ RUN: not llvm-mc -triple=arm -show-encoding < %s 2>&1 | FileCheck %s
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@ RUN: not llvm-mc -triple=thumb -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-THUMB
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@ This tests the mnemonic spell checker.
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@ First check what happens when an instruction is omitted:
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r1, r2, r3
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@ CHECK: error: unexpected token in operand
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@ CHECK-NEXT: r1, r2, r3
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@ CHECK-NEXT: ^
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@ We don't want to see a suggestion here; the edit distance is too large to
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@ give sensible suggestions:
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aaaaaaaaaaaaaaa r1, r2, r3
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@ CHECK: error: invalid instruction
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@ CHECK-NEXT: aaaaaaaaaaaaaaa r1, r2, r3
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@ CHECK-NEXT: ^
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@ Check that we get one suggestion: 'pushh' is 1 edit away, i.e. an deletion.
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pushh r1, r2, r3
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@CHECK: error: invalid instruction, did you mean: push?
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@CHECK-NEXT: pushh r1, r2, r3
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@CHECK-NEXT: ^
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adXd r1, r2, r3
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@ Check edit distance 1 and 2: 'add' has edit distance of 1 (a deletion),
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@ and 'qadd' a distance of 2 (a deletion and an insertion)
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@ CHECK: error: invalid instruction, did you mean: add, qadd?
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@ CHECK-NEXT: adXd r1, r2, r3
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@ CHECK-NEXT: ^
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@ Check edit distance 1 and 2, just insertions:
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ad r1, r2, r3
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@ CHECK: error: invalid instruction, did you mean: adc, add, adr, and, qadd?
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@ CHECK-NEXT: ad r1, r2, r3
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@ CHECK-NEXT: ^
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@ Check an instruction that is 2 edits away, and also has a lot of candidates:
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ldre r1, r2, r3
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@ CHECK: error: invalid instruction, did you mean: ldr, ldrb, ldrd, ldrex, ldrexb, ldrexd, ldrexh, ldrh, ldrt?
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@ CHECK-NEXT: ldre r1, r2, r3
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@ CHECK-NEXT: ^
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@ Here it is checked that we don't suggest instructions that are not supported.
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@ For example, in Thumb mode we don't want to see suggestions 'faddd' of 'qadd'
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@ because they are not supported.
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fadd r1, r2, r3
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@ CHECK-THUMB: error: invalid instruction, did you mean: add?
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@ CHECK-THUMB: fadd r1, r2, r3
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@ CHECK-THUMB: ^
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@ CHECK: error: invalid instruction, did you mean: add, qadd?
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@ CHECK-NEXT: fadd r1, r2, r3
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@ CHECK-NEXT: ^
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