File: gep-vector.ll

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llvm-toolchain-6.0 1:6.0-1~bpo9+1
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; RUN: opt -instcombine %s -S | FileCheck %s

; CHECK-LABEL: patatino
; CHECK-NEXT: ret <8 x i64*> undef
define <8 x i64*> @patatino() {
  %el = getelementptr i64, <8 x i64*> undef, <8 x i64> undef
  ret <8 x i64*> %el
}

; CHECK-LABEL: patatino2
; CHECK-NEXT: ret <8 x i64*> undef
define <8 x i64*> @patatino2() {
  %el = getelementptr inbounds i64, i64* undef, <8 x i64> undef
  ret <8 x i64*> %el
}

@block = global [64 x [8192 x i8]] zeroinitializer, align 1

; CHECK-LABEL:vectorindex1
; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 1, i64 2>, <2 x i64> zeroinitializer)
define <2 x i8*> @vectorindex1() {
  %1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, <2 x i64> <i64 0, i64 1>, i64 8192
  ret <2 x i8*> %1
}

; CHECK-LABEL:vectorindex2
; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 1, i64 2>, <2 x i64> <i64 8191, i64 1>)
define <2 x i8*> @vectorindex2() {
  %1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, i64 1, <2 x i64> <i64 8191, i64 8193>
  ret <2 x i8*> %1
}

; CHECK-LABEL:vectorindex3
; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 0, i64 2>, <2 x i64> <i64 8191, i64 1>)
define <2 x i8*> @vectorindex3() {
  %1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, <2 x i64> <i64 0, i64 1>, <2 x i64> <i64 8191, i64 8193>
  ret <2 x i8*> %1
}