; ModuleID = 'basic.c'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
; Verify all the passes run on this
;RUN: dsaopt %s -dsa-local -disable-output
;RUN: dsaopt %s -dsa-bu -disable-output
;RUN: dsaopt %s -dsa-td -disable-output
;RUN: dsaopt %s -dsa-eq -disable-output
;=== Local Tests ===
; Verify VAStart flag
;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap+V"
; Don't propagate the VAStart flag to children...
;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap:8-V"
;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap:16-V"
; On 64-bit, VAStart node should be a struct pointing to an array of the arguments
;RUN: dsaopt %s -dsa-local -analyze -check-type=get:ap:8,FoldedVOID
; Both offsets 8 and 16 point to the array as a simplification.
; Verify that these are indeed the same node.
;RUN: dsaopt %s -dsa-local -analyze -check-same-node \
;RUN: "get:ap:8,get:ap:16"
; And the argument node should be of the proper type (in this case an i32)
;RUN: dsaopt %s -dsa-local -analyze -check-type=get:ap:8:0,0:i32
; The argument should be ref'd, but not mod'd
;RUN: dsaopt %s -dsa-local -analyze --verify-flags "get:ap:8:0+R-M"

%struct.__va_list_tag = type { i32, i32, i8*, i8* }

define internal i32 @get(i32 %unused, ...) nounwind {
entry:
  %unused_addr = alloca i32                       ; <i32*> [#uses=1]
  %retval = alloca i32                            ; <i32*> [#uses=2]
  %0 = alloca i32                                 ; <i32*> [#uses=2]
  %addr.0 = alloca i8*                            ; <i8**> [#uses=3]
  %ap = alloca [1 x %struct.__va_list_tag]        ; <[1 x %struct.__va_list_tag]*> [#uses=9]
  %val = alloca i32*                              ; <i32**> [#uses=2]
  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
  store i32 %unused, i32* %unused_addr
  %ap1 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1]
  %ap12 = bitcast %struct.__va_list_tag* %ap1 to i8* ; <i8*> [#uses=1]
  call void @llvm.va_start(i8* %ap12)
  %1 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %2 = getelementptr inbounds %struct.__va_list_tag* %1, i32 0, i32 0 ; <i32*> [#uses=1]
  %3 = load i32* %2, align 8                      ; <i32> [#uses=1]
  %4 = icmp uge i32 %3, 48                        ; <i1> [#uses=1]
  br i1 %4, label %bb3, label %bb

bb:                                               ; preds = %entry
  %5 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %6 = getelementptr inbounds %struct.__va_list_tag* %5, i32 0, i32 3 ; <i8**> [#uses=1]
  %7 = load i8** %6, align 8                      ; <i8*> [#uses=1]
  %8 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %9 = getelementptr inbounds %struct.__va_list_tag* %8, i32 0, i32 0 ; <i32*> [#uses=1]
  %10 = load i32* %9, align 8                     ; <i32> [#uses=1]
  %11 = inttoptr i32 %10 to i8*                   ; <i8*> [#uses=1]
  %12 = ptrtoint i8* %7 to i64                    ; <i64> [#uses=1]
  %13 = ptrtoint i8* %11 to i64                   ; <i64> [#uses=1]
  %14 = add i64 %12, %13                          ; <i64> [#uses=1]
  %15 = inttoptr i64 %14 to i8*                   ; <i8*> [#uses=1]
  store i8* %15, i8** %addr.0, align 8
  %16 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %17 = getelementptr inbounds %struct.__va_list_tag* %16, i32 0, i32 0 ; <i32*> [#uses=1]
  %18 = load i32* %17, align 8                    ; <i32> [#uses=1]
  %19 = add i32 %18, 8                            ; <i32> [#uses=1]
  %20 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %21 = getelementptr inbounds %struct.__va_list_tag* %20, i32 0, i32 0 ; <i32*> [#uses=1]
  store i32 %19, i32* %21, align 8
  br label %bb4

bb3:                                              ; preds = %entry
  %22 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %23 = getelementptr inbounds %struct.__va_list_tag* %22, i32 0, i32 2 ; <i8**> [#uses=1]
  %24 = load i8** %23, align 8                    ; <i8*> [#uses=2]
  store i8* %24, i8** %addr.0, align 8
  %25 = getelementptr inbounds i8* %24, i64 8     ; <i8*> [#uses=1]
  %26 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
  %27 = getelementptr inbounds %struct.__va_list_tag* %26, i32 0, i32 2 ; <i8**> [#uses=1]
  store i8* %25, i8** %27, align 8
  br label %bb4

bb4:                                              ; preds = %bb3, %bb
  %28 = load i8** %addr.0, align 8                ; <i8*> [#uses=1]
  %29 = bitcast i8* %28 to i32**                  ; <i32**> [#uses=1]
  %30 = load i32** %29, align 8                   ; <i32*> [#uses=1]
  store i32* %30, i32** %val, align 8
  %ap5 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1]
  %ap56 = bitcast %struct.__va_list_tag* %ap5 to i8* ; <i8*> [#uses=1]
  call void @llvm.va_end(i8* %ap56)
  %31 = load i32** %val, align 8                  ; <i32*> [#uses=1]
  %32 = load i32* %31, align 4                    ; <i32> [#uses=1]
  store i32 %32, i32* %0, align 4
  %33 = load i32* %0, align 4                     ; <i32> [#uses=1]
  store i32 %33, i32* %retval, align 4
  br label %return

return:                                           ; preds = %bb4
  %retval7 = load i32* %retval                    ; <i32> [#uses=1]
  ret i32 %retval7
}

declare void @llvm.va_start(i8*) nounwind

declare void @llvm.va_end(i8*) nounwind

define i32 @main() nounwind {
entry:
  %retval = alloca i32                            ; <i32*> [#uses=2]
  %0 = alloca i32                                 ; <i32*> [#uses=2]
  %stack_val = alloca i32                         ; <i32*> [#uses=2]
  %ret = alloca i32                               ; <i32*> [#uses=2]
  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
  store i32 5, i32* %stack_val, align 4
  %1 = call i32 (i32, ...)* @get(i32 0, i32* %stack_val) nounwind ; <i32> [#uses=1]
  store i32 %1, i32* %ret, align 4
  %2 = load i32* %ret, align 4                    ; <i32> [#uses=1]
  %3 = sub nsw i32 %2, 5                          ; <i32> [#uses=1]
  store i32 %3, i32* %0, align 4
  %4 = load i32* %0, align 4                      ; <i32> [#uses=1]
  store i32 %4, i32* %retval, align 4
  br label %return

return:                                           ; preds = %entry
  %retval1 = load i32* %retval                    ; <i32> [#uses=1]
  ret i32 %retval1
}