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1e8839302b
This implements the review suggestion to simplify the AArch64 backend. If we later discover that we *really* need the extra complexity of the ConstantIslands pass for performance reasons it can be resurrected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175258 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -filetype=obj < %s | elf-dump | FileCheck %s
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define i64 @testfn() nounwind {
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entry:
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ret i64 0
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}
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define i64 @foo() nounwind {
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entry:
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%bar = alloca i64 ()*, align 8
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store i64 ()* @testfn, i64 ()** %bar, align 8
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%call = call i64 @testfn()
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ret i64 %call
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}
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; The above should produce an ADRP/ADD pair to calculate the address of
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; testfn. The important point is that LLVM shouldn't think it can deal with the
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; relocation on the ADRP itself (even though it knows everything about the
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; relative offsets of testfn and foo) because its value depends on where this
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; object file's .text section gets relocated in memory.
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; CHECK: .rela.text
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; CHECK: # Relocation 0
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; CHECK-NEXT: (('r_offset', 0x0000000000000010)
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; CHECK-NEXT: ('r_sym', 0x00000007)
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; CHECK-NEXT: ('r_type', 0x00000113)
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; CHECK-NEXT: ('r_addend', 0x0000000000000000)
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; CHECK-NEXT: ),
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; CHECK-NEXT: Relocation 1
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; CHECK-NEXT: (('r_offset', 0x0000000000000014)
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; CHECK-NEXT: ('r_sym', 0x00000007)
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; CHECK-NEXT: ('r_type', 0x00000115)
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; CHECK-NEXT: ('r_addend', 0x0000000000000000)
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; CHECK-NEXT: ),
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