; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the printf library call simplifier works correctly.
;
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-G200"

@hello_world = addrspace(200) constant [13 x i8] c"hello world\0A\00"
@percent_s = addrspace(200) constant [4 x i8] c"%s\0A\00"

declare i32 @printf(ptr addrspace(200) , ...)
declare i32 @puts(ptr addrspace(200))

; Check printf("foo\n") -> puts("foo").

define void @test_simplify1() {
; CHECK-LABEL: @test_simplify1(
; CHECK-NEXT:    [[PUTS:%.*]] = call i32 @puts(ptr addrspace(200) @str)
; CHECK-NEXT:    ret void
;
  call i32 (ptr addrspace(200) , ...) @printf(ptr addrspace(200) @hello_world)
  ret void
}


; Check printf("%s\n", str) -> puts(str).

define void @test_simplify2() {
; CHECK-LABEL: @test_simplify2(
; CHECK-NEXT:    [[PUTS:%.*]] = call i32 @puts(ptr addrspace(200) @hello_world)
; CHECK-NEXT:    ret void
;
  call i32 (ptr addrspace(200) , ...) @printf(ptr addrspace(200) @percent_s, ptr addrspace(200) @hello_world)
  ret void
}