llvm-project/lld/test/ELF/basic-block-sections-and-icf.s
Sriraman Tallam ca6b6d40ff Rename basic block sections options to be consistent.
D68049 created options for basic block sections: -fbasic-block-sections=,
-funique-basic-block-section-names. Rename options in llc and lld (--lto-)
to be consistent. Specifically,

+ Rename basicblock-sections to basic-block-sections
+ Rename unique-bb-section-names to unique-basic-block-section-names

Differential Revision: https://reviews.llvm.org/D84462
2020-07-31 11:50:55 -07:00

48 lines
955 B
ArmAsm

# REQUIRES: x86
## basic-block-sections tests.
## This simple test checks foo is folded into bar with bb sections
## and the jumps are deleted.
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
# RUN: ld.lld --optimize-bb-jumps --icf=all %t.o -o %t.out
# RUN: llvm-objdump -d %t.out| FileCheck %s
# CHECK: <foo>:
# CHECK-NEXT: nopl (%rax)
# CHECK-NEXT: je 0x{{[[:xdigit:]]+}} <aa.BB.foo>
# CHECK-NOT: jmp
# CHECK: <a.BB.foo>:
## Explicity check that bar is folded and not emitted.
# CHECK-NOT: <bar>:
# CHECK-NOT: <a.BB.bar>:
# CHECK-NOT: <aa.BB.bar>:
.section .text.bar,"ax",@progbits
.type bar,@function
bar:
nopl (%rax)
jne a.BB.bar
jmp aa.BB.bar
.section .text.a.BB.bar,"ax",@progbits,unique,3
a.BB.bar:
nopl (%rax)
aa.BB.bar:
ret
.section .text.foo,"ax",@progbits
.type foo,@function
foo:
nopl (%rax)
jne a.BB.foo
jmp aa.BB.foo
.section .text.a.BB.foo,"ax",@progbits,unique,2
a.BB.foo:
nopl (%rax)
aa.BB.foo:
ret