llvm/test/Transforms/InstSimplify/vector_gep.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"

declare void @helper(<2 x ptr>)
define void @test(<2 x ptr> %a) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: <2 x ptr> [[A:%.*]]) {
; CHECK-NEXT:    call void @helper(<2 x ptr> [[A]])
; CHECK-NEXT:    ret void
;
  %A = getelementptr i8, <2 x ptr> %a, <2 x i32> <i32 0, i32 0>
  call void @helper(<2 x ptr> %A)
  ret void
}

define <4 x ptr> @test1(<4 x ptr> %a) {
; CHECK-LABEL: define <4 x ptr> @test1(
; CHECK-SAME: <4 x ptr> [[A:%.*]]) {
; CHECK-NEXT:    ret <4 x ptr> [[A]]
;
  %gep = getelementptr i8, <4 x ptr> %a, <4 x i32> zeroinitializer
  ret <4 x ptr> %gep
}

define <4 x ptr> @test2(<4 x ptr> %a) {
; CHECK-LABEL: define <4 x ptr> @test2(
; CHECK-SAME: <4 x ptr> [[A:%.*]]) {
; CHECK-NEXT:    ret <4 x ptr> [[A]]
;
  %gep = getelementptr i8, <4 x ptr> %a
  ret <4 x ptr> %gep
}

%struct = type { double, float }

define <4 x ptr> @test3() {
; CHECK-LABEL: define <4 x ptr> @test3() {
; CHECK-NEXT:    ret <4 x ptr> undef
;
  %gep = getelementptr %struct, <4 x ptr> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
  ret <4 x ptr> %gep
}

%struct.empty = type { }

define <4 x ptr> @test4(<4 x ptr> %a) {
; CHECK-LABEL: define <4 x ptr> @test4(
; CHECK-SAME: <4 x ptr> [[A:%.*]]) {
; CHECK-NEXT:    ret <4 x ptr> [[A]]
;
  %gep = getelementptr %struct.empty, <4 x ptr> %a, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
  ret <4 x ptr> %gep
}

define <4 x ptr> @test5() {
; CHECK-LABEL: define <4 x ptr> @test5() {
; CHECK-NEXT:    ret <4 x ptr> getelementptr (i8, <4 x ptr> <ptr inttoptr (i64 1 to ptr), ptr inttoptr (i64 2 to ptr), ptr inttoptr (i64 3 to ptr), ptr inttoptr (i64 4 to ptr)>, <4 x i64> splat (i64 1))
;
  %c = inttoptr <4 x i64> <i64 1, i64 2, i64 3, i64 4> to <4 x ptr>
  %gep = getelementptr i8, <4 x ptr> %c, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
  ret <4 x ptr> %gep
}

@v = global [24 x [42 x [3 x i32]]] zeroinitializer, align 16

define <16 x ptr> @test6() {
; CHECK-LABEL: define <16 x ptr> @test6() {
; CHECK-NEXT:    ret <16 x ptr> getelementptr (i8, ptr @v, <16 x i64> <i64 0, i64 12, i64 24, i64 36, i64 48, i64 60, i64 72, i64 84, i64 96, i64 108, i64 120, i64 132, i64 144, i64 156, i64 168, i64 180>)
;
  %VectorGep = getelementptr [24 x [42 x [3 x i32]]], ptr @v, i64 0, i64 0, <16 x i64> <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>, i64 0
  ret <16 x ptr> %VectorGep
}

; PR32697
define <4 x ptr> @tinkywinky() {
; CHECK-LABEL: define <4 x ptr> @tinkywinky() {
; CHECK-NEXT:    ret <4 x ptr> undef
;
  %patatino = getelementptr i8, ptr undef, <4 x i64> undef
  ret <4 x ptr> %patatino
}

; PR32697
define <4 x ptr> @dipsy() {
; CHECK-LABEL: define <4 x ptr> @dipsy() {
; CHECK-NEXT:    ret <4 x ptr> undef
;
  %patatino = getelementptr i8, <4 x ptr> undef, <4 x i64> undef
  ret <4 x ptr> %patatino
}

; PR32697
define <4 x ptr> @laalaa() {
; CHECK-LABEL: define <4 x ptr> @laalaa() {
; CHECK-NEXT:    ret <4 x ptr> undef
;
  %patatino = getelementptr i8, <4 x ptr> undef, i64 undef
  ret <4 x ptr> %patatino
}

define <2 x ptr> @zero_index(ptr %p) {
; CHECK-LABEL: define <2 x ptr> @zero_index(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i8, ptr [[P]], <2 x i64> zeroinitializer
; CHECK-NEXT:    ret <2 x ptr> [[GEP]]
;
  %gep = getelementptr i8, ptr %p, <2 x i64> zeroinitializer
  ret <2 x ptr> %gep
}

define <2 x ptr> @unsized(ptr %p) {
; CHECK-LABEL: define <2 x ptr> @unsized(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr {}, ptr [[P]], <2 x i64> undef
; CHECK-NEXT:    ret <2 x ptr> [[GEP]]
;
  %gep = getelementptr {}, ptr %p, <2 x i64> undef
  ret <2 x ptr> %gep
}