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TheRock/compiler/amd-llvm/llvm/test/MC/ARM/invalid-instructions-spellcheck.s
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69 lines
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ArmAsm

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