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TheRock/compiler/amd-llvm/llvm/test/MC/ELF/rtti-proxy-arm-got-prel.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

46 lines
1.8 KiB
LLVM

; REQUIRES: arm-registered-target
;; Verify that the generated assembly omits the RTTI proxy and uses the correct
;; relocations and addends.
; RUN: llc %s -mtriple=armv7 -o - | FileCheck %s
;; Verify that the generated object uses the correct relocations and addends.
; RUN: llc %s -filetype=obj -mtriple=thumbv7 -o %t.o
; RUN: llvm-readelf --relocs --hex-dump=.rodata %t.o | FileCheck --check-prefix=OBJ %s
@vtable = dso_local unnamed_addr constant i32 sub (i32 ptrtoint (ptr @rtti.proxy to i32), i32 ptrtoint (ptr @vtable to i32)), align 4
@vtable_with_offset = dso_local unnamed_addr constant [2 x i32] [i32 0, i32 sub (i32 ptrtoint (ptr @rtti.proxy to i32), i32 ptrtoint (ptr @vtable_with_offset to i32))], align 4
@vtable_with_negative_offset = dso_local unnamed_addr constant [2 x i32] [
i32 sub (
i32 ptrtoint (ptr @rtti.proxy to i32),
i32 ptrtoint (ptr getelementptr inbounds ([2 x i32], ptr @vtable_with_negative_offset, i32 0, i32 1) to i32)
),
i32 0
], align 4
@rtti = external global i8, align 4
@rtti.proxy = linkonce_odr hidden unnamed_addr constant ptr @rtti
; CHECK-NOT: rtti.proxy
; CHECK-LABEL: vtable:
; CHECK-NEXT: .long rtti(GOT_PREL)+0{{$}}
; CHECK-LABEL: vtable_with_offset:
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long rtti(GOT_PREL)+4{{$}}
; CHECK-LABEL: vtable_with_negative_offset:
; CHECK-NEXT: .long rtti(GOT_PREL)-4{{$}}
; CHECK-NEXT: .long 0
; OBJ-LABEL: Relocation section '.rel.rodata' at offset [[#%#x,]] contains 3 entries:
; OBJ: {{^}}00000000 [[#]] R_ARM_GOT_PREL [[#]] rtti{{$}}
; OBJ-NEXT: {{^}}00000008 [[#]] R_ARM_GOT_PREL [[#]] rtti{{$}}
; OBJ-NEXT: {{^}}0000000c [[#]] R_ARM_GOT_PREL [[#]] rtti{{$}}
; OBJ-LABEL: Hex dump of section '.rodata':
; OBJ-NEXT: 0x00000000 00000000 00000000 04000000 fcffffff