;; -ffunction-sections previously resulted in call relocations against the ;; .text.foo section symbol instead of the actual function symbol. ;; However, that results in a relocation against a symbol without the LSB set, ;; so the linker thinks it is not linking against a Thumb symbol. ;; Check that we use a relocation against the symbol for calls to functions ;; marked as dso_local (foo$local) ;; NB: Right now only R_ARM_PREL31 and R_ARM_ABS32 are converted to section ;; plus offset, so this test can't use a call. ; RUN: llc -mtriple=armv7a-none-linux-gnueabi --function-sections -o - --relocation-model=pic %s | FileCheck %s ; RUN: llc -mtriple=armv7a-none-linux-gnueabi --function-sections --filetype=obj -o %t --relocation-model=pic %s ; RUN: llvm-readobj -r --symbols %t | FileCheck %s --check-prefix=RELOCS ;; Do not autogen (we check directives that are normally filtered out): ; UTC-ARGS: --disable ; RELOCS-LABEL: Relocations [ ; RELOCS-NEXT: Section (5) .rel.ARM.exidx.text._ZdlPv { ; RELOCS-NEXT: 0x0 R_ARM_PREL31 .text._ZdlPv ; RELOCS-NEXT: } ; RELOCS-NEXT: Section (7) .rel.text.test { ; RELOCS-NEXT: 0x4 R_ARM_CALL .L_ZdlPv$local ; RELOCS-NEXT: 0xC R_ARM_ABS32 .L_ZdlPv$local ; RELOCS-NEXT: 0x10 R_ARM_ABS32 .L_ZdlPv$local ; RELOCS-NEXT: 0x1C R_ARM_REL32 .L_ZdlPv$local ; RELOCS-NEXT: } ; RELOCS-NEXT: Section (9) .rel.ARM.exidx.text.test { ; RELOCS-NEXT: 0x0 R_ARM_PREL31 .text.test ; RELOCS-NEXT: } ; RELOCS-NEXT: Section (11) .rel.data { ; RELOCS-NEXT: 0x0 R_ARM_ABS32 _ZdlPv ; RELOCS-NEXT: } ; RELOCS-NEXT: ] ; RELOCS-LABEL: Symbols [ ; RELOCS: Symbol { ; RELOCS: Name: .L_ZdlPv$local ; RELOCS-NEXT: Value: 0x1 ; RELOCS-NEXT: Size: 2 ; RELOCS-NEXT: Binding: Local (0x0) ; RELOCS-NEXT: Type: Function (0x2) ; RELOCS-NEXT: Other: 0 ; RELOCS-NEXT: Section: .text._ZdlPv ( ; RELOCS-NEXT: } define dso_local void @_ZdlPv(ptr %ptr) local_unnamed_addr nounwind "target-features"="+armv7-a,+thumb-mode" { ; CHECK-LABEL: .section .text._ZdlPv,"ax",%progbits ; CHECK-NEXT: .globl _ZdlPv @ -- Begin function _ZdlPv ; CHECK-NEXT: .p2align 1 ; CHECK-NEXT: .type _ZdlPv,%function ; CHECK-NEXT: .code 16 @ @_ZdlPv ; CHECK-NEXT: .thumb_func ; CHECK-NEXT: _ZdlPv: ; CHECK-NEXT: .L_ZdlPv$local: ; CHECK-NEXT: .type .L_ZdlPv$local,%function ; CHECK-NEXT: .fnstart ; CHECK-NEXT: @ %bb.0: ; CHECK-NEXT: bx lr ; CHECK-NEXT: .Lfunc_end0: ; CHECK-NEXT: .size _ZdlPv, .Lfunc_end0-_ZdlPv ; CHECK-NEXT: .size .L_ZdlPv$local, .Lfunc_end0-_ZdlPv ; CHECK-NEXT: .cantunwind ; CHECK-NEXT: .fnend ret void } define ptr @test(ptr %ptr) nounwind { ; CHECK-LABEL: test: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: bl .L_ZdlPv$local ; CHECK-NEXT: ldr r0, .LCPI1_0 ; CHECK-NEXT: @APP ; CHECK-NEXT: .long .L_ZdlPv$local ; CHECK-NEXT: @NO_APP ; CHECK-NEXT: @APP ; CHECK-NEXT: .Ltmp0: ; CHECK-NEXT: .reloc .Ltmp0, R_ARM_ABS32, .L_ZdlPv$local ; CHECK-NEXT: .long 0 ; CHECK-NEXT: @NO_APP ; CHECK-NEXT: .LPC1_0: ; CHECK-NEXT: add r0, pc, r0 ; CHECK-NEXT: pop {r11, pc} ; CHECK-NEXT: .p2align 2 ; CHECK-NEXT: @ %bb.1: ; CHECK-NEXT: .LCPI1_0: ; CHECK-NEXT: .long .L_ZdlPv$local-(.LPC1_0+8) entry: call void @_ZdlPv(ptr %ptr) ; This inline assembly is needed to highlight the missing Thumb LSB since ; only R_ARM_ABS32 is converted to section+offset tail call void asm sideeffect ".4byte .L_ZdlPv$$local", ""() tail call void asm sideeffect ".reloc ., R_ARM_ABS32, .L_ZdlPv$$local\0A.4byte 0", ""() ret ptr @_ZdlPv } @fnptr = hidden local_unnamed_addr global ptr @_ZdlPv