derek.holloway
7502bf64a4
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46 lines
1.7 KiB
ArmAsm
46 lines
1.7 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t
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// RUN: not ld.lld %t -o /dev/null 2>&1 | FileCheck %s --implicit-check-not=error:
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// Test derived from a typical ODR violation where a global is declared
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// extern int but defined as a half or byte sized type.
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.section .text
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.globl _start
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.type _start, %function
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// Access foo2 as if it were an aligned 32-bit int, expect an error as
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// foo is not aligned
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_start:
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ldrb w2, [x0, #:lo12:foo1] // Ok as no shift involved
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ldrh w2, [x0, #:lo12:foo1] // Error foo1 is not 2-byte aligned
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ldrh w2, [x0, #:lo12:foo2] // Ok as foo2 is 2-byte aligned
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ldr w2, [x0, #:lo12:foo2] // Error foo2 is not 4-byte aligned
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ldr w2, [x0, #:lo12:foo4] // Ok as foo4 is 4-byte aligned
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ldr x3, [x0, #:lo12:foo4] // Error foo4 is not 8-byte aligned
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ldr x3, [x0, #:lo12:foo8] // Ok as foo8 is 8-byte aligned
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ldr q0, [x0, #:lo12:foo8] // Error foo8 is not 16-byte aligned
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ldr q0, [x0, #:lo12:foo16] // Ok as foo16 is 16-byte aligned
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.section .data.bool, "a", @nobits
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.balign 16
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.globl foo16
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.globl foo1
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.globl foo2
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.globl foo4
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.globl foo8
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foo16:
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.space 1
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foo1:
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.space 1
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foo2:
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.space 2
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foo4:
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.space 4
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foo8:
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.space 8
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// CHECK: error: {{.*}}:(.text+0x4): improper alignment for relocation R_AARCH64_LDST16_ABS_LO12_NC: 0x220181 is not aligned to 2 bytes
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// CHECK: error: {{.*}}:(.text+0xc): improper alignment for relocation R_AARCH64_LDST32_ABS_LO12_NC: 0x220182 is not aligned to 4 bytes
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// CHECK: error: {{.*}}:(.text+0x14): improper alignment for relocation R_AARCH64_LDST64_ABS_LO12_NC: 0x220184 is not aligned to 8 bytes
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// CHECK: error: {{.*}}:(.text+0x1c): improper alignment for relocation R_AARCH64_LDST128_ABS_LO12_NC: 0x220188 is not aligned to 16 bytes
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