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[ARM] Diagnose ARM MOVT without :lower16: or :upper16: expression

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This instruction was missing from the list of opcodes that we check, so we were
hitting an llvm_unreachable in ARMMCCodeEmitter.cpp for the ARM MOVT
instruction, rather than the diagnostic that is emitted for the other MOVW/MOVT
instructions.

Differential revision: https://reviews.llvm.org/D30936



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297739 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Oliver Stannard 2017-03-14 13:50:10 +00:00
parent 0117588515
commit 8f5c321021
2 changed files with 4 additions and 0 deletions
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1
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
View File

@ -6682,6 +6682,7 @@ bool ARMAsmParser::validateInstruction(MCInst &Inst,
break;
}
case ARM::MOVi16:
case ARM::MOVTi16:
case ARM::t2MOVi16:
case ARM::t2MOVTi16:
{

3
test/MC/ARM/diagnostics.s
View File

@ -491,9 +491,12 @@
foo2:
mov r0, foo2
movw r0, foo2
movt r0, foo2
@ CHECK-ERRORS: error: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
str r0, [r0, #4]!