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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instsimplify < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
%struct.A = type { [7 x i8] }
define %struct.A* @test1(%struct.A* %b, %struct.A* %e) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: ret %struct.A* [[E:%.*]]
;
%e_ptr = ptrtoint %struct.A* %e to i64
%b_ptr = ptrtoint %struct.A* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, %struct.A* %b, i64 %sdiv
ret %struct.A* %gep
}
define i8* @test2(i8* %b, i8* %e) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret i8* [[E:%.*]]
;
%e_ptr = ptrtoint i8* %e to i64
%b_ptr = ptrtoint i8* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%gep = getelementptr inbounds i8, i8* %b, i64 %sub
ret i8* %gep
}
define i64* @test3(i64* %b, i64* %e) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: ret i64* [[E:%.*]]
;
%e_ptr = ptrtoint i64* %e to i64
%b_ptr = ptrtoint i64* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr inbounds i64, i64* %b, i64 %ashr
ret i64* %gep
}
define %struct.A* @test4(%struct.A* %b) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: ret %struct.A* null
;
%b_ptr = ptrtoint %struct.A* %b to i64
%sub = sub i64 0, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, %struct.A* %b, i64 %sdiv
ret %struct.A* %gep
}
define i8* @test5(i8* %b) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: ret i8* null
;
%b_ptr = ptrtoint i8* %b to i64
%sub = sub i64 0, %b_ptr
%gep = getelementptr inbounds i8, i8* %b, i64 %sub
ret i8* %gep
}
define i64* @test6(i64* %b) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: ret i64* null
;
%b_ptr = ptrtoint i64* %b to i64
%sub = sub i64 0, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr inbounds i64, i64* %b, i64 %ashr
ret i64* %gep
}
define i8* @test7(i8* %b, i8** %e) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[E_PTR:%.*]] = ptrtoint i8** [[E:%.*]] to i64
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint i8* [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[E_PTR]], [[B_PTR]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[B]], i64 [[SUB]]
; CHECK-NEXT: ret i8* [[GEP]]
;
%e_ptr = ptrtoint i8** %e to i64
%b_ptr = ptrtoint i8* %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%gep = getelementptr inbounds i8, i8* %b, i64 %sub
ret i8* %gep
}
define <8 x i64*> @undef_vec1() {
; CHECK-LABEL: @undef_vec1(
; CHECK-NEXT: ret <8 x i64*> undef
;
%el = getelementptr inbounds i64, i64* undef, <8 x i64> undef
ret <8 x i64*> %el
}
define <8 x i64*> @undef_vec2() {
; CHECK-LABEL: @undef_vec2(
; CHECK-NEXT: ret <8 x i64*> undef
;
%el = getelementptr i64, <8 x i64*> undef, <8 x i64> undef
ret <8 x i64*> %el
}
; Check ConstantExpr::getGetElementPtr() using ElementCount for size queries - begin.
; Constant ptr
define i32* @ptr_idx_scalar() {
; CHECK-LABEL: @ptr_idx_scalar(
; CHECK-NEXT: ret i32* inttoptr (i64 4 to i32*)
;
%gep = getelementptr <4 x i32>, <4 x i32>* null, i64 0, i64 1
ret i32* %gep
}
define <2 x i32*> @ptr_idx_vector() {
; CHECK-LABEL: @ptr_idx_vector(
; CHECK-NEXT: ret <2 x i32*> getelementptr (i32, i32* null, <2 x i64> <i64 1, i64 1>)
;
%gep = getelementptr i32, i32* null, <2 x i64> <i64 1, i64 1>
ret <2 x i32*> %gep
}
define <4 x i32*> @ptr_idx_mix_scalar_vector(){
; CHECK-LABEL: @ptr_idx_mix_scalar_vector(
; CHECK-NEXT: ret <4 x i32*> getelementptr ([42 x [3 x i32]], [42 x [3 x i32]]* null, <4 x i64> zeroinitializer, <4 x i64> <i64 0, i64 1, i64 2, i64 3>, <4 x i64> zeroinitializer)
;
%gep = getelementptr [42 x [3 x i32]], [42 x [3 x i32]]* null, i64 0, <4 x i64> <i64 0, i64 1, i64 2, i64 3>, i64 0
ret <4 x i32*> %gep
}
; Constant vector
define <4 x i32*> @vector_idx_scalar() {
; CHECK-LABEL: @vector_idx_scalar(
; CHECK-NEXT: ret <4 x i32*> getelementptr (i32, <4 x i32*> zeroinitializer, <4 x i64> <i64 1, i64 1, i64 1, i64 1>)
;
%gep = getelementptr i32, <4 x i32*> zeroinitializer, i64 1
ret <4 x i32*> %gep
}
define <4 x i32*> @vector_idx_vector() {
; CHECK-LABEL: @vector_idx_vector(
; CHECK-NEXT: ret <4 x i32*> getelementptr (i32, <4 x i32*> zeroinitializer, <4 x i64> <i64 1, i64 1, i64 1, i64 1>)
;
%gep = getelementptr i32, <4 x i32*> zeroinitializer, <4 x i64> <i64 1, i64 1, i64 1, i64 1>
ret <4 x i32*> %gep
}
%struct = type { double, float }
define <4 x float*> @vector_idx_mix_scalar_vector() {
; CHECK-LABEL: @vector_idx_mix_scalar_vector(
; CHECK-NEXT: ret <4 x float*> getelementptr (%struct, <4 x %struct*> zeroinitializer, <4 x i64> zeroinitializer, i32 1)
;
%gep = getelementptr %struct, <4 x %struct*> zeroinitializer, i32 0, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
ret <4 x float*> %gep
}
; Constant scalable
define <vscale x 4 x i32*> @scalable_idx_scalar() {
; CHECK-LABEL: @scalable_idx_scalar(
; CHECK-NEXT: ret <vscale x 4 x i32*> getelementptr (i32, <vscale x 4 x i32*> zeroinitializer, <vscale x 4 x i64> shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> undef, i64 1, i32 0), <vscale x 4 x i64> undef, <vscale x 4 x i32> zeroinitializer))
;
%gep = getelementptr i32, <vscale x 4 x i32*> zeroinitializer, i64 1
ret <vscale x 4 x i32*> %gep
}
define <vscale x 4 x float*> @scalable_vector_idx_mix_scalar_vector() {
; CHECK-LABEL: @scalable_vector_idx_mix_scalar_vector(
; CHECK-NEXT: ret <vscale x 4 x float*> getelementptr (%struct, <vscale x 4 x %struct*> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 1)
;
%gep = getelementptr %struct, <vscale x 4 x %struct*> zeroinitializer, i32 0, i32 1
ret <vscale x 4 x float*> %gep
}
define <vscale x 2 x i64*> @ptr_idx_mix_scalar_scalable_vector() {
; CHECK-LABEL: @ptr_idx_mix_scalar_scalable_vector(
; CHECK-NEXT: ret <vscale x 2 x i64*> zeroinitializer
;
%v = getelementptr [2 x i64], [2 x i64]* null, i64 0, <vscale x 2 x i64> zeroinitializer
ret <vscale x 2 x i64*> %v
}
; Check ConstantExpr::getGetElementPtr() using ElementCount for size queries - end.
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