hello.ll

; RUN:  opt -load %shlibdir/libHelloWorld%shlibext --legacy-hello-world -disable-output 2>&1 %s\
; RUN:   | FileCheck %s
; RUN:  opt -load-pass-plugin  %shlibdir/libHelloWorld%shlibext -passes=hello-world -disable-output 2>&1 %s\
; RUN:   | FileCheck %s

; Test 'hello-world' when run through opt (both new and legacy PMs)
; CHECK: (llvm-tutor) Hello from: foo
; CHECK-NEXT: (llvm-tutor)   number of arguments: 1
; CHECK-NEXT: (llvm-tutor) Hello from: bar
; CHECK-NEXT: (llvm-tutor)   number of arguments: 2
; CHECK-NEXT: (llvm-tutor) Hello from: fez
; CHECK-NEXT: (llvm-tutor)   number of arguments: 3
; CHECK-NEXT: (llvm-tutor) Hello from: main
; CHECK-NEXT: (llvm-tutor)   number of arguments: 2

define i32 @foo(i32) {
  %2 = shl nsw i32 %0, 1
  ret i32 %2
}

define i32 @bar(i32, i32) {
  %3 = shl i32 %1, 1
  %4 = add nsw i32 %3, %0
  ret i32 %4
}

define i32 @fez(i32, i32, i32) {
  %4 = shl i32 %1, 1
  %5 = add nsw i32 %4, %0
  %6 = mul nsw i32 %2, 3
  %7 = add nsw i32 %5, %6
  ret i32 %7
}

define i32 @main(i32, i8** nocapture readnone) {
  %3 = tail call i32 @foo(i32 1)
  %4 = tail call i32 @bar(i32 1, i32 11)
  %5 = add nsw i32 %4, %3
  %6 = tail call i32 @fez(i32 1, i32 11, i32 111)
  %7 = add nsw i32 %5, %6
  ret i32 %7
}