llvm-project/lld/test/ELF/lto/opt-level.ll

30 lines
988 B
LLVM

; RUN: llvm-as -o %t.o %s
; RUN: ld.lld -o %t0 -m elf_x86_64 -e main --lto-O0 %t.o
; RUN: llvm-nm %t0 | FileCheck --check-prefix=CHECK-O0 %s
; RUN: ld.lld -o %t2 -m elf_x86_64 -e main --lto-O2 %t.o
; RUN: llvm-nm %t2 | FileCheck --check-prefix=CHECK-O2 %s
; RUN: ld.lld -o %t2a -m elf_x86_64 -e main %t.o
; RUN: llvm-nm %t2a | FileCheck --check-prefix=CHECK-O2 %s
; Reject invalid optimization levels.
; RUN: not ld.lld -o %t3 -m elf_x86_64 -e main --lto-O6 %t.o 2>&1 | \
; RUN: FileCheck --check-prefix=INVALID %s
; INVALID: invalid optimization level for LTO: 6
; RUN: not ld.lld -o %t3 -m elf_x86_64 -e main --lto-O-1 %t.o 2>&1 | \
; RUN: FileCheck --check-prefix=INVALIDNEGATIVE %s
; INVALIDNEGATIVE: invalid optimization level for LTO: -1
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-O0: foo
; CHECK-O2-NOT: foo
define internal void @foo() {
ret void
}
define void @main() {
call void @foo()
ret void
}