; "PLAIN" - No optimizations. This tests the target-independent
; constant folder.
; RUN: opt -S -o - %s | FileCheck --check-prefix=PLAIN %s

target datalayout = "e-p:128:128:128-p1:32:32:32-p2:8:8:8-p3:16:16:16-p4:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"

; The automatic constant folder in opt does not have targetdata access, so
; it can't fold gep arithmetic, in general. However, the constant folder run
; from instcombine and global opt can use targetdata.
; PLAIN: @G8 = global ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -1)
@G8 = global ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -1)
; PLAIN: @G1 = global ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i8 1 to ptr addrspace(2)), i8 -1)
@G1 = global ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i8 1 to ptr addrspace(2)), i8 -1)
; PLAIN: @F8 = global ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -2)
@F8 = global ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -2)
; PLAIN: @F1 = global ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i8 1 to ptr addrspace(2)), i8 -2)
@F1 = global ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i8 1 to ptr addrspace(2)), i8 -2)
; PLAIN: @H8 = global ptr addrspace(1) getelementptr (i8, ptr addrspace(1) null, i32 -1)
@H8 = global ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 0 to ptr addrspace(1)), i32 -1)
; PLAIN: @H1 = global ptr addrspace(2) getelementptr (i1, ptr addrspace(2) null, i8 -1)
@H1 = global ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i8 0 to ptr addrspace(2)), i8 -1)


; The target-independent folder should be able to do some clever
; simplifications on sizeof, alignof, and offsetof expressions. The
; target-dependent folder should fold these down to constants.

; PLAIN-X: @b = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({ i1, double }, ptr null, i64 0, i32 1) to i64)
@b = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, [13 x double]}, ptr addrspace(4) null, i64 0, i32 1) to i64)

; PLAIN-X: @e = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({ double, float, double, double }, ptr null, i64 0, i32 2) to i64)
@e = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({double, float, double, double}, ptr addrspace(4) null, i64 0, i32 2) to i64)

; PLAIN-X: @f = constant i64 1
@f = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, <{ i16, i128 }>}, ptr addrspace(4) null, i64 0, i32 1) to i64)

; PLAIN-X: @g = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({ i1, double }, ptr null, i64 0, i32 1) to i64)
@g = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, {double, double}}, ptr addrspace(4) null, i64 0, i32 1) to i64)

; PLAIN-X: @h = constant i64 ptrtoint (ptr addrspace(2) getelementptr (i1, ptr addrspace(2) null, i32 1) to i64)
@h = constant i64 ptrtoint (ptr addrspace(4) getelementptr (double, ptr addrspace(4) null, i64 1) to i64)

; PLAIN-X: @i = constant i64 ptrtoint (ptr addrspace(2) getelementptr ({ i1, ptr addrspace(2) }, ptr null, i64 0, i32 1) to i64)
@i = constant i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, double}, ptr addrspace(4) null, i64 0, i32 1) to i64)

; The target-dependent folder should cast GEP indices to integer-sized pointers.

; PLAIN: @M = constant ptr addrspace(4) getelementptr (i64, ptr addrspace(4) null, i32 1)
; PLAIN: @N = constant ptr addrspace(4) getelementptr ({ i64, i64 }, ptr addrspace(4) null, i32 0, i32 1)
; PLAIN: @O = constant ptr addrspace(4) getelementptr ([2 x i64], ptr addrspace(4) null, i32 0, i32 1)

@M = constant ptr addrspace(4) getelementptr (i64, ptr addrspace(4) null, i32 1)
@N = constant ptr addrspace(4) getelementptr ({ i64, i64 }, ptr addrspace(4) null, i32 0, i32 1)
@O = constant ptr addrspace(4) getelementptr ([2 x i64], ptr addrspace(4) null, i32 0, i32 1)

; Fold GEP of a GEP. Very simple cases are folded.

; PLAIN-X: @Y = global ptraddrspace(3) getelementptr inbounds ([3 x { i32, i32 }], ptraddrspace(3) @ext, i64 2)
@ext = external addrspace(3) global [3 x { i32, i32 }]
@Y = global ptr addrspace(3) getelementptr inbounds ([3 x { i32, i32 }], ptr addrspace(3) getelementptr inbounds ([3 x { i32, i32 }], ptr addrspace(3) @ext, i64 1), i64 1)

; PLAIN-X: @Z = global ptraddrspace(3) getelementptr inbounds (i32, ptr addrspace(3) getelementptr inbounds ([3 x { i32, i32 }], ptr addrspace(3) @ext, i64 0, i64 1, i32 0), i64 1)
@Z = global ptr addrspace(3) getelementptr inbounds (i32, ptr addrspace(3) getelementptr inbounds ([3 x { i32, i32 }], ptr addrspace(3) @ext, i64 0, i64 1, i32 0), i64 1)


; Duplicate all of the above as function return values rather than
; global initializers.

; PLAIN: define ptr addrspace(1) @goo8() #0 {
; PLAIN:   %t = bitcast ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -1) to ptr addrspace(1)
; PLAIN:   ret ptr addrspace(1) %t
; PLAIN: }
; PLAIN: define ptr addrspace(2) @goo1() #0 {
; PLAIN:   %t = bitcast ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i32 1 to ptr addrspace(2)), i32 -1) to ptr addrspace(2)
; PLAIN:   ret ptr addrspace(2) %t
; PLAIN: }
; PLAIN: define ptr addrspace(1) @foo8() #0 {
; PLAIN:   %t = bitcast ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -2) to ptr addrspace(1)
; PLAIN:   ret ptr addrspace(1) %t
; PLAIN: }
; PLAIN: define ptr addrspace(2) @foo1() #0 {
; PLAIN:   %t = bitcast ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i32 1 to ptr addrspace(2)), i32 -2) to ptr addrspace(2)
; PLAIN:   ret ptr addrspace(2) %t
; PLAIN: }
; PLAIN: define ptr addrspace(1) @hoo8() #0 {
; PLAIN:   %t = bitcast ptr addrspace(1) getelementptr (i8, ptr addrspace(1) null, i32 -1) to ptr addrspace(1)
; PLAIN:   ret ptr addrspace(1) %t
; PLAIN: }
; PLAIN: define ptr addrspace(2) @hoo1() #0 {
; PLAIN:   %t = bitcast ptr addrspace(2) getelementptr (i1, ptr addrspace(2) null, i32 -1) to ptr addrspace(2)
; PLAIN:   ret ptr addrspace(2) %t
; PLAIN: }
define ptr addrspace(1) @goo8() #0 {
  %t = bitcast ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -1) to ptr addrspace(1)
  ret ptr addrspace(1) %t
}
define ptr addrspace(2) @goo1() #0 {
  %t = bitcast ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i32 1 to ptr addrspace(2)), i32 -1) to ptr addrspace(2)
  ret ptr addrspace(2) %t
}
define ptr addrspace(1) @foo8() #0 {
  %t = bitcast ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 1 to ptr addrspace(1)), i32 -2) to ptr addrspace(1)
  ret ptr addrspace(1) %t
}
define ptr addrspace(2) @foo1() #0 {
  %t = bitcast ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i32 1 to ptr addrspace(2)), i32 -2) to ptr addrspace(2)
  ret ptr addrspace(2) %t
}
define ptr addrspace(1) @hoo8() #0 {
  %t = bitcast ptr addrspace(1) getelementptr (i8, ptr addrspace(1) inttoptr (i32 0 to ptr addrspace(1)), i32 -1) to ptr addrspace(1)
  ret ptr addrspace(1) %t
}
define ptr addrspace(2) @hoo1() #0 {
  %t = bitcast ptr addrspace(2) getelementptr (i1, ptr addrspace(2) inttoptr (i32 0 to ptr addrspace(2)), i32 -1) to ptr addrspace(2)
  ret ptr addrspace(2) %t
}

; PLAIN-X: define i64 @fb() #0 {
; PLAIN-X:   %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({ i1, double }, ptr null, i64 0, i32 1) to i64) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fc() #0 {
; PLAIN-X:   %t = bitcast i64 mul nuw (i64 ptrtoint (ptr addrspace(4) getelementptr (double, ptr addrspace(4) null, i32 1) to i64), i64 2) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fd() #0 {
; PLAIN-X:   %t = bitcast i64 mul nuw (i64 ptrtoint (ptr addrspace(4) getelementptr (double, ptr addrspace(4) null, i32 1) to i64), i64 11) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fe() #0 {
; PLAIN-X:   %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({ double, float, double, double }, ptr null, i64 0, i32 2) to i64) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @ff() #0 {
; PLAIN-X:   %t = bitcast i64 1 to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fg() #0 {
; PLAIN-X:   %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({ i1, double }, ptr null, i64 0, i32 1) to i64) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fh() #0 {
; PLAIN-X:   %t = bitcast i64 ptrtoint (ptr addrspace(2) getelementptr (i1, ptr addrspace(2) null, i32 1) to i64) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fi() #0 {
; PLAIN-X:   %t = bitcast i64 ptrtoint (ptr addrspace(2) getelementptr ({ i1, ptr addrspace(2) }, ptr null, i64 0, i32 1) to i64) to i64
; PLAIN-X:   ret i64 %t
; PLAIN-X: }
define i64 @fb() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, [13 x double]}, ptr addrspace(4) null, i64 0, i32 1) to i64) to i64
  ret i64 %t
}
define i64 @fc() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({double, double, double, double}, ptr addrspace(4) null, i64 0, i32 2) to i64) to i64
  ret i64 %t
}
define i64 @fd() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ([13 x double], ptr addrspace(4) null, i64 0, i32 11) to i64) to i64
  ret i64 %t
}
define i64 @fe() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({double, float, double, double}, ptr addrspace(4) null, i64 0, i32 2) to i64) to i64
  ret i64 %t
}
define i64 @ff() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, <{ i16, i128 }>}, ptr addrspace(4) null, i64 0, i32 1) to i64) to i64
  ret i64 %t
}
define i64 @fg() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, {double, double}}, ptr addrspace(4) null, i64 0, i32 1) to i64) to i64
  ret i64 %t
}
define i64 @fh() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr (double, ptr addrspace(4) null, i32 1) to i64) to i64
  ret i64 %t
}
define i64 @fi() #0 {
  %t = bitcast i64 ptrtoint (ptr addrspace(4) getelementptr ({i1, double}, ptr addrspace(4) null, i64 0, i32 1) to i64) to i64
  ret i64 %t
}

; PLAIN: define ptr @fM() #0 {
; PLAIN:   %t = bitcast ptr getelementptr (i64, ptr null, i32 1) to ptr
; PLAIN:   ret ptr %t
; PLAIN: }
; PLAIN: define ptr @fN() #0 {
; PLAIN:   %t = bitcast ptr getelementptr ({ i64, i64 }, ptr null, i32 0, i32 1) to ptr
; PLAIN:   ret ptr %t
; PLAIN: }
; PLAIN: define ptr @fO() #0 {
; PLAIN:   %t = bitcast ptr getelementptr ([2 x i64], ptr null, i32 0, i32 1) to ptr
; PLAIN:   ret ptr %t
; PLAIN: }

define ptr @fM() #0 {
  %t = bitcast ptr getelementptr (i64, ptr null, i32 1) to ptr
  ret ptr %t
}
define ptr @fN() #0 {
  %t = bitcast ptr getelementptr ({ i64, i64 }, ptr null, i32 0, i32 1) to ptr
  ret ptr %t
}
define ptr @fO() #0 {
  %t = bitcast ptr getelementptr ([2 x i64], ptr null, i32 0, i32 1) to ptr
  ret ptr %t
}

; PLAIN: define ptr addrspace(1) @fZ() #0 {
; PLAIN:   %t = bitcast ptr addrspace(1) getelementptr inbounds (i32, ptr addrspace(1) getelementptr inbounds ([3 x { i32, i32 }], ptr addrspace(1) @ext2, i64 0, i64 1, i32 0), i64 1) to ptr addrspace(1)
; PLAIN:   ret ptr addrspace(1) %t
; PLAIN: }
@ext2 = external addrspace(1) global [3 x { i32, i32 }]
define ptr addrspace(1) @fZ() #0 {
  %t = bitcast ptr addrspace(1) getelementptr inbounds (i32, ptr addrspace(1) getelementptr inbounds ([3 x { i32, i32 }], ptr addrspace(1) @ext2, i64 0, i64 1, i32 0), i64 1) to ptr addrspace(1)
  ret ptr addrspace(1) %t
}

attributes #0 = { nounwind }