// REQUIRES: ppc // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-func.s -o %t3.o // RUN: ld.lld -shared %t2.o -o %t2.so // RUN: ld.lld %t.o %t2.so %t3.o -o %t // RUN: llvm-objdump -d %t | FileCheck %s // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-func.s -o %t3.o // RUN: ld.lld -shared %t2.o -o %t2.so // RUN: ld.lld %t.o %t2.so %t3.o -o %t // RUN: llvm-objdump -d %t | FileCheck %s .text .abiversion 2 .global bar_local bar_local: li 3, 2 blr # Calling external function foo in a shared object needs a nop. # Calling local function bar_local doe snot need a nop. .global _start _start: bl foo nop bl bar_local // CHECK: Disassembly of section .text: // CHECK: _start: // CHECK: 1001001c: {{.*}} bl .+67108836 // CHECK-NOT: 10010020: {{.*}} nop // CHECK: 10010020: {{.*}} ld 2, 24(1) // CHECK: 10010024: {{.*}} bl .+67108848 // CHECK-NOT: 10010028: {{.*}} nop // CHECK-NOT: 10010028: {{.*}} ld 2, 24(1) # Calling a function in another object file which will have same # TOC base does not need a nop. If nop present, do not rewrite to # a toc restore .global diff_object _diff_object: bl foo_not_shared bl foo_not_shared nop // CHECK: _diff_object: // CHECK-NEXT: 10010028: {{.*}} bl .+24 // CHECK-NEXT: 1001002c: {{.*}} bl .+20 // CHECK-NEXT: 10010030: {{.*}} nop # Branching to a local function does not need a nop .global noretbranch noretbranch: b bar_local // CHECK: noretbranch: // CHECK: 10010034: {{.*}} b .+67108832 // CHECK-NOT: 10010038: {{.*}} nop // CHECK-NOT: 1001003c: {{.*}} ld 2, 24(1) // This should come last to check the end-of-buffer condition. .global last last: bl foo nop // CHECK: last: // CHECK: 10010038: {{.*}} bl .+67108808 // CHECK-NEXT: 1001003c: {{.*}} ld 2, 24(1)