diff options
Diffstat (limited to 'llvm/test/MC/ARM/ldr-pseudo-cond-darwin.s')
| -rw-r--r-- | llvm/test/MC/ARM/ldr-pseudo-cond-darwin.s | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/llvm/test/MC/ARM/ldr-pseudo-cond-darwin.s b/llvm/test/MC/ARM/ldr-pseudo-cond-darwin.s new file mode 100644 index 00000000000..542b060d1e2 --- /dev/null +++ b/llvm/test/MC/ARM/ldr-pseudo-cond-darwin.s @@ -0,0 +1,55 @@ +@RUN: llvm-mc -triple armv7-base-apple-darwin %s | FileCheck --check-prefix=CHECK-ARM --check-prefix=CHECK %s +@RUN: llvm-mc -triple thumbv7-base-apple-darwin %s | FileCheck --check-prefix=CHECK-THUMB2 --check-prefix=CHECK %s + +@ +@ Check that ldr to constant pool correctly transfers the condition codes +@ +@ simple test +.section __TEXT,a,regular,pure_instructions +@ CHECK-LABEL: f0: +f0: + it eq + ldreq r0, =0x10002 +@ CHECK: ldreq r0, Ltmp0 + +@ loading multiple constants +.section __TEXT,b,regular,pure_instructions +@ CHECK-LABEL: f1: +f1: + ite eq + ldreq r0, =0x10003 +@ CHECK: ldreq r0, Ltmp1 + ldrne r0, =0x10004 +@ CHECK: ldrne r0, Ltmp2 + +@ transformation to mov +.section __TEXT,d,regular,pure_instructions +@ CHECK-LABEL: f2: +f2: +@ Can use the narrow Thumb mov as it does not set flags in an IT block + it eq + ldreq r1, =0x1 +@ CHECK: moveq r1, #1 + +@ Must use the wide Thumb mov if the constant can't be represented + ite eq + ldreq r2, = 0x1f000000 +@ CHECK-ARM moveq r2, #520093696 +@ CHECK-THUMB2 moveq.w r2, #520093696 + ldrne r3, = 0x00001234 +@ CHECK movwne r2, #4660 + +@ +@ Constant Pools +@ +@ CHECK: .section __TEXT,a,regular,pure_instructions +@ CHECK: .p2align 2 +@ CHECK: Ltmp0: +@ CHECK: .long 65538 + +@ CHECK: .section __TEXT,b,regular,pure_instructions +@ CHECK: .p2align 2 +@ CHECK: Ltmp1: +@ CHECK: .long 65539 +@ CHECK: Ltmp2: +@ CHECK: .long 65540 |
