test/MC/ARM/ldr-pseudo-cond-darwin.s

   1 @RUN: llvm-mc -triple armv7-base-apple-darwin %s | FileCheck --check-prefix=CHECK-ARM --check-prefix=CHECK %s
   2 @RUN: llvm-mc -triple thumbv7-base-apple-darwin %s | FileCheck --check-prefix=CHECK-THUMB2 --check-prefix=CHECK %s
   3
   4 @
   5 @ Check that ldr to constant pool correctly transfers the condition codes
   6 @
   7 @ simple test
   8 .section __TEXT,a,regular,pure_instructions
   9 @ CHECK-LABEL: f0:
  10 f0:
  11   it eq
  12   ldreq r0, =0x10002
  13 @ CHECK: ldreq r0, Ltmp0
  14
  15 @ loading multiple constants
  16 .section __TEXT,b,regular,pure_instructions
  17 @ CHECK-LABEL: f1:
  18 f1:
  19   ite eq
  20   ldreq r0, =0x10003
  21 @ CHECK: ldreq r0, Ltmp1
  22   ldrne r0, =0x10004
  23 @ CHECK: ldrne r0, Ltmp2
  24
  25 @ transformation to mov
  26 .section __TEXT,d,regular,pure_instructions
  27 @ CHECK-LABEL: f2:
  28 f2:
  29 @ Can use the narrow Thumb mov as it does not set flags in an IT block
  30   it eq
  31   ldreq r1, =0x1
  32 @ CHECK: moveq r1, #1
  33
  34 @ Must use the wide Thumb mov if the constant can't be represented
  35   ite eq
  36   ldreq r2, = 0x1f000000
  37 @ CHECK-ARM moveq r2, #520093696
  38 @ CHECK-THUMB2 moveq.w r2, #520093696
  39   ldrne r3, = 0x00001234
  40 @ CHECK: movwne r3, #4660
  41
  42 @
  43 @ Constant Pools
  44 @
  45 @ CHECK: .section __TEXT,a,regular,pure_instructions
  46 @ CHECK: .p2align 2
  47 @ CHECK: Ltmp0:
  48 @ CHECK: .long 65538
  49
  50 @ CHECK: .section __TEXT,b,regular,pure_instructions
  51 @ CHECK: .p2align 2
  52 @ CHECK: Ltmp1:
  53 @ CHECK: .long 65539
  54 @ CHECK: Ltmp2:
  55 @ CHECK: .long 65540