# REQUIRES: riscv # RUN: rm -rf %t && split-file %s %t && cd %t # RUN: llvm-mc -filetype=obj -triple=riscv64 --defsym PAD=0 -mattr=+c,+relax a.s -o a.64.o # RUN: llvm-mc -filetype=obj -triple=riscv64 --defsym PAD=5000 -mattr=+c,+relax a.s -o aa.64.o # RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax c.s -o c.64.o # RUN: ld.lld -shared -soname=c.64.so c.64.o -o c.64.so # RUN: ld.lld -shared -z now a.64.o c.64.o -o a.64.so -z separate-code # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d a.64.so | FileCheck %s --check-prefix=GD64 ## Test the TLSDESC to LE optimization. Also check --emit-relocs. # RUN: ld.lld -e 0 -z now a.64.o c.64.o -o a.64.le -z separate-code --emit-relocs # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -hdr a.64.le | FileCheck %s --check-prefix=LE64 # RUN: ld.lld -e 0 -z now aa.64.o c.64.o -o aa.64.le -z separate-code # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d aa.64.le | FileCheck %s --check-prefix=LE64A ## Test the TLSDESC to IE optimization. # RUN: ld.lld -e 0 -z now a.64.o c.64.so -o a.64.ie -z separate-code # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d a.64.ie | FileCheck %s --check-prefix=IE64 # GD64: .got 00000018 00000000000020c0 # GD64-LABEL: <_start>: # GD64-NEXT: jal {{.*}} # GD64-LABEL: : ## &.got[c]-. = 0x20c0+8 - 0x1004 = 0x10c4 # GD64: 1004: auipc a2, 0x1 # GD64-NEXT: c.add a7, a7 # GD64-NEXT: ld a3, 0xc4(a2) # GD64-NEXT: c.add a7, a7 # GD64-NEXT: addi a0, a2, 0xc4 # GD64-NEXT: c.add a7, a7 # GD64-NEXT: jalr t0, 0x0(a3) # GD64-NEXT: c.add a0, tp # GD64-NEXT: jal {{.*}} ## &.got[c]-. = 0x20c0+8 - 0x1020 = 0x10a8 # GD64-LABEL: <.Ltlsdesc_hi1>: # GD64-NEXT: 1020: auipc a4, 0x1 # GD64-NEXT: ld a5, 0xa8(a4) # GD64-NEXT: addi a0, a4, 0xa8 # GD64-NEXT: jalr t0, 0x0(a5) # GD64-NEXT: c.add a0, tp ## &.got[c]-. = 0x20c0+8 - 0x1032 = 0x1096 # GD64-LABEL: <.Ltlsdesc_hi2>: # GD64-NEXT: 1032: auipc a6, 0x1 # GD64-NEXT: ld a7, 0x96(a6) # GD64-NEXT: addi a0, a6, 0x96 # GD64-NEXT: jalr t0, 0x0(a7) # GD64-NEXT: c.add a0, tp # LE64-LABEL: <_start>: # LE64-NEXT: jal {{.*}} # LE64-LABEL: : # LE64-NEXT: c.add a7, a7 # LE64-NEXT: R_RISCV_TLSDESC_HI20 b # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: c.add a7, a7 # LE64-NEXT: R_RISCV_TLSDESC_LOAD_LO12 .Ltlsdesc_hi0 # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: 11008: c.add a7, a7 # LE64-NEXT: R_RISCV_TLSDESC_ADD_LO12 .Ltlsdesc_hi0 # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: addi a0, zero, 0x7ff # LE64-NEXT: R_RISCV_TLSDESC_CALL .Ltlsdesc_hi0 # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: c.add a0, tp # LE64-NEXT: jal {{.*}} # LE64-NEXT: R_RISCV_JAL foo # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-LABEL: <.Ltlsdesc_hi1>: # LE64-NEXT: addi a0, zero, 0x7ff # LE64-NEXT: R_RISCV_TLSDESC_HI20 b # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: R_RISCV_TLSDESC_LOAD_LO12 .Ltlsdesc_hi1 # LE64-NEXT: R_RISCV_TLSDESC_ADD_LO12 .Ltlsdesc_hi1 # LE64-NEXT: R_RISCV_TLSDESC_CALL .Ltlsdesc_hi1 # LE64-NEXT: c.add a0, tp # LE64-LABEL: <.Ltlsdesc_hi2>: # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: R_RISCV_TLSDESC_HI20 b # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: R_RISCV_TLSDESC_LOAD_LO12 .Ltlsdesc_hi2 # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: R_RISCV_TLSDESC_ADD_LO12 .Ltlsdesc_hi2 # LE64-NEXT: R_RISCV_RELAX *ABS* # LE64-NEXT: addi a0, zero, 0x7ff # LE64-NEXT: R_RISCV_TLSDESC_CALL .Ltlsdesc_hi2 # LE64-NEXT: c.add a0, tp # LE64A-LABEL: <_start>: # LE64A-NEXT: jal {{.*}} # LE64A-LABEL: : # LE64A-NEXT: c.add a7, a7 # LE64A-NEXT: c.add a7, a7 # LE64A-NEXT: 11008: lui a0, 0x2 # LE64A-NEXT: c.add a7, a7 # LE64A-NEXT: addi a0, a0, -0x479 # LE64A-NEXT: c.add a0, tp # LE64A-NEXT: jal {{.*}} # LE64A-LABEL: <.Ltlsdesc_hi1>: # LE64A-NEXT: lui a0, 0x2 # LE64A-NEXT: addi a0, a0, -0x479 # LE64A-NEXT: c.add a0, tp # LE64A-LABEL: <.Ltlsdesc_hi2>: # LE64A-NEXT: addi zero, zero, 0x0 # LE64A-NEXT: addi zero, zero, 0x0 # LE64A-NEXT: lui a0, 0x2 # LE64A-NEXT: addi a0, a0, -0x479 # LE64A-NEXT: c.add a0, tp # IE64: .got 00000010 00000000000120e0 # IE64-LABEL: <_start>: # IE64-NEXT: jal {{.*}} # IE64-LABEL: : # IE64-NEXT: c.add a7, a7 # IE64-NEXT: c.add a7, a7 ## &.got[c]-. = 0x120e0+8 - 0x11008 = 0x10e0 # IE64-NEXT: 11008: auipc a0, 0x1 # IE64-NEXT: c.add a7, a7 # IE64-NEXT: ld a0, 0xe0(a0) # IE64-NEXT: c.add a0, tp # IE64-NEXT: jal {{.*}} ## &.got[c]-. = 0x120e0+8 - 0x11018 = 0x10d0 # IE64-LABEL: <.Ltlsdesc_hi1>: # IE64-NEXT: 11018: auipc a0, 0x1 # IE64-NEXT: ld a0, 0xd0(a0) # IE64-NEXT: c.add a0, tp ## &.got[c]-. = 0x120e0+8 - 0x1102a = 0x10be # IE64-LABEL: <.Ltlsdesc_hi2>: # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: 1102a: auipc a0, 0x1 # IE64-NEXT: ld a0, 0xbe(a0) # IE64-NEXT: c.add a0, tp #--- a.s .globl _start _start: .balign 16 call foo foo: .Ltlsdesc_hi0: .option norelax ## All 4 instructions have an R_RISCV_RELAX. ## Check that optimization/relaxation are not affected by irrelevant instructions. auipc a2, %tlsdesc_hi(b) .reloc .-4, R_RISCV_RELAX, 0 c.add a7, a7 ld a3, %tlsdesc_load_lo(.Ltlsdesc_hi0)(a2) .reloc .-4, R_RISCV_RELAX, 0 c.add a7, a7 addi a0, a2, %tlsdesc_add_lo(.Ltlsdesc_hi0) .reloc .-4, R_RISCV_RELAX, 0 c.add a7, a7 jalr t0, 0(a3), %tlsdesc_call(.Ltlsdesc_hi0) .reloc .-4, R_RISCV_RELAX, 0 add a0, a0, tp .option relax call foo .Ltlsdesc_hi1: .option norelax ## AUIPC has an R_RISCV_RELAX. We perform relaxation, ignoring whether other ## instructions have R_RISCV_RELAX. auipc a4, %tlsdesc_hi(b) .reloc .-4, R_RISCV_RELAX, 0 ld a5, %tlsdesc_load_lo(.Ltlsdesc_hi1)(a4) addi a0, a4, %tlsdesc_add_lo(.Ltlsdesc_hi1) jalr t0, 0(a5), %tlsdesc_call(.Ltlsdesc_hi1) add a0, a0, tp .option relax .Ltlsdesc_hi2: .option norelax ## AUIPC does not have R_RISCV_RELAX. No relaxation. auipc a6, %tlsdesc_hi(b) ld a7, %tlsdesc_load_lo(.Ltlsdesc_hi2)(a6) .reloc .-4, R_RISCV_RELAX, 0 addi a0, a6, %tlsdesc_add_lo(.Ltlsdesc_hi2) .reloc .-4, R_RISCV_RELAX, 0 jalr t0, 0(a7), %tlsdesc_call(.Ltlsdesc_hi2) add a0, a0, tp .option relax .section .tbss .globl a .zero 8 a: .zero 2039+PAD ## Place b at 0x7ff+PAD #--- c.s .tbss .globl b b: .zero 4