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llvm-mirror/test/MC/ARM/thumb2-ldrb-ldrh.s
Oliver Stannard 70943b7fa8 [Thumb2] LDRS?[BH] cannot load to the PC
The Thumb2 LDRS?[BH] instructions are not valid when the destination
register is the PC (these encodings are used for preload hints).

llvm-svn: 220278
2014-10-21 09:14:15 +00:00

52 lines
1.2 KiB
ArmAsm

@ RUN: not llvm-mc -triple thumbv7a-none-eabi -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK
@ RUN: not llvm-mc -triple thumbv7m-none-eabi -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK
@ Thumb2 LDRS?[BH] are not valid when Rt == PC (these encodings are used for
@ preload hints).
@ We don't check the actual error messages here as they are currently not very
@ helpful, see http://llvm.org/bugs/show_bug.cgi?id=21066.
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
ldrb pc, [r0, #10]
ldrb.w pc, [r1, #10]
ldrb pc, [r2, #-5]
ldrb pc, [pc, #7]
ldrb.w pc, [pc, #7]
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
ldrsb pc, [r3, #10]
ldrsb.w pc, [r4, #10]
ldrsb pc, [r5, #-5]
ldrsb pc, [pc, #7]
ldrsb.w pc, [pc, #7]
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
ldrh pc, [r6, #10]
ldrh.w pc, [r7, #10]
ldrh pc, [r8, #-5]
ldrh pc, [pc, #7]
ldrh.w pc, [pc, #7]
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
@ CHECK: error:
ldrsh pc, [r9, #10]
ldrsh.w pc, [r10, #10]
ldrsh pc, [r11, #-5]
ldrsh pc, [pc, #7]
ldrsh.w pc, [pc, #7]