third_party/llvm-7.0/llvm/test/tools/gold/X86/opt-level.ll

; RUN: llvm-as -o %t.bc %s
; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -plugin-opt=save-temps \
; RUN:    -m elf_x86_64 \
; RUN:    -plugin-opt=O0 -r -o %t.o %t.bc
; RUN: llvm-dis < %t.o.0.4.opt.bc -o - | FileCheck --check-prefix=CHECK-O0 %s
; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -plugin-opt=save-temps \
; RUN:    -m elf_x86_64 \
; RUN:    -plugin-opt=O1 -r -o %t.o %t.bc
; RUN: llvm-dis < %t.o.0.4.opt.bc -o - | FileCheck --check-prefix=CHECK-O1 %s
; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext -plugin-opt=save-temps \
; RUN:    -m elf_x86_64 \
; RUN:    -plugin-opt=O2 -r -o %t.o %t.bc
; RUN: llvm-dis < %t.o.0.4.opt.bc -o - | FileCheck --check-prefix=CHECK-O2 %s

; CHECK-O0: define internal void @foo(
; CHECK-O1: define internal void @foo(
; CHECK-O2-NOT: define internal void @foo(

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

define internal void @foo() {
  ret void
}

; CHECK-O0: define internal i32 @bar(
; CHECK-O1: define internal i32 @bar(
define internal i32 @bar(i1 %p) {
  br i1 %p, label %t, label %f

t:
  br label %end

f:
  br label %end

end:
  ; CHECK-O0: phi
  ; CHECK-O1: select
  %r = phi i32 [ 1, %t ], [ 2, %f ]
  ret i32 %r
}

define i1 @baz() {
  call void @foo()
  %c = call i32 @bar(i1 true)
  %p = call i1 @llvm.type.test(i8* undef, metadata !"typeid1")
  ret i1 %p
}

; CHECK-O0-NOT: !type
; CHECK-O1-NOT: !type
; CHECK-O2-NOT: !type
@a = constant i32 1, !type !0

!0 = !{i32 0, !"typeid1"}

declare i1 @llvm.type.test(i8* %ptr, metadata %bitset) nounwind readnone