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56 lines
1.3 KiB
56 lines
1.3 KiB
4 months ago
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@RUN: llvm-mc -triple armv7-base-apple-darwin %s | FileCheck --check-prefix=CHECK-ARM --check-prefix=CHECK %s
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@RUN: llvm-mc -triple thumbv7-base-apple-darwin %s | FileCheck --check-prefix=CHECK-THUMB2 --check-prefix=CHECK %s
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@
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@ Check that ldr to constant pool correctly transfers the condition codes
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@
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@ simple test
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.section __TEXT,a,regular,pure_instructions
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@ CHECK-LABEL: f0:
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f0:
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it eq
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ldreq r0, =0x10002
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@ CHECK: ldreq r0, Ltmp0
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@ loading multiple constants
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.section __TEXT,b,regular,pure_instructions
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@ CHECK-LABEL: f1:
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f1:
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ite eq
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ldreq r0, =0x10003
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@ CHECK: ldreq r0, Ltmp1
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ldrne r0, =0x10004
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@ CHECK: ldrne r0, Ltmp2
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@ transformation to mov
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.section __TEXT,d,regular,pure_instructions
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@ CHECK-LABEL: f2:
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f2:
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@ Can use the narrow Thumb mov as it does not set flags in an IT block
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it eq
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ldreq r1, =0x1
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@ CHECK: moveq r1, #1
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@ Must use the wide Thumb mov if the constant can't be represented
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ite eq
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ldreq r2, = 0x1f000000
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@ CHECK-ARM moveq r2, #520093696
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@ CHECK-THUMB2 moveq.w r2, #520093696
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ldrne r3, = 0x00001234
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@ CHECK movwne r2, #4660
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@
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@ Constant Pools
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@
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@ CHECK: .section __TEXT,a,regular,pure_instructions
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@ CHECK: .p2align 2
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@ CHECK: Ltmp0:
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@ CHECK: .long 65538
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@ CHECK: .section __TEXT,b,regular,pure_instructions
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@ CHECK: .p2align 2
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@ CHECK: Ltmp1:
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@ CHECK: .long 65539
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@ CHECK: Ltmp2:
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@ CHECK: .long 65540
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