; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
%struct.A = type { [7 x i8] }
@g = external global i8
define ptr @test1(ptr %b, ptr %e) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[E_PTR:%.*]] = ptrtoint ptr [[E:%.*]] to i64
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[E_PTR]], [[B_PTR]]
; CHECK-NEXT: [[SDIV:%.*]] = sdiv exact i64 [[SUB]], 7
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[STRUCT_A:%.*]], ptr [[B]], i64 [[SDIV]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%e_ptr = ptrtoint ptr %e to i64
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, ptr %b, i64 %sdiv
ret ptr %gep
}
define ptr @test2(ptr %b, ptr %e) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[E_PTR:%.*]] = ptrtoint ptr [[E:%.*]] to i64
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[E_PTR]], [[B_PTR]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[SUB]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%e_ptr = ptrtoint ptr %e to i64
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%gep = getelementptr inbounds i8, ptr %b, i64 %sub
ret ptr %gep
}
define ptr @test3(ptr %b, ptr %e) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[E_PTR:%.*]] = ptrtoint ptr [[E:%.*]] to i64
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[E_PTR]], [[B_PTR]]
; CHECK-NEXT: [[ASHR:%.*]] = ashr exact i64 [[SUB]], 3
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[ASHR]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%e_ptr = ptrtoint ptr %e to i64
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr inbounds i64, ptr %b, i64 %ashr
ret ptr %gep
}
; The following tests should not be folded to null, because this would
; lose provenance of the base pointer %b.
define ptr @test4(ptr %b) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[B_PTR]]
; CHECK-NEXT: [[SDIV:%.*]] = sdiv exact i64 [[SUB]], 7
; CHECK-NEXT: [[GEP:%.*]] = getelementptr [[STRUCT_A:%.*]], ptr [[B]], i64 [[SDIV]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 0, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr %struct.A, ptr %b, i64 %sdiv
ret ptr %gep
}
define ptr @test4_inbounds(ptr %b) {
; CHECK-LABEL: @test4_inbounds(
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[B_PTR]]
; CHECK-NEXT: [[SDIV:%.*]] = sdiv exact i64 [[SUB]], 7
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[STRUCT_A:%.*]], ptr [[B]], i64 [[SDIV]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 0, %b_ptr
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, ptr %b, i64 %sdiv
ret ptr %gep
}
define ptr @test5(ptr %b) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[B_PTR]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[SUB]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 0, %b_ptr
%gep = getelementptr i8, ptr %b, i64 %sub
ret ptr %gep
}
define ptr @test5_inbounds(ptr %b) {
; CHECK-LABEL: @test5_inbounds(
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[B_PTR]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[SUB]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 0, %b_ptr
%gep = getelementptr inbounds i8, ptr %b, i64 %sub
ret ptr %gep
}
define ptr @test6(ptr %b) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[B_PTR]]
; CHECK-NEXT: [[ASHR:%.*]] = ashr exact i64 [[SUB]], 3
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i64, ptr [[B]], i64 [[ASHR]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 0, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr i64, ptr %b, i64 %ashr
ret ptr %gep
}
define ptr @test6_inbounds(ptr %b) {
; CHECK-LABEL: @test6_inbounds(
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[B_PTR]]
; CHECK-NEXT: [[ASHR:%.*]] = ashr exact i64 [[SUB]], 3
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[ASHR]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 0, %b_ptr
%ashr = ashr exact i64 %sub, 3
%gep = getelementptr inbounds i64, ptr %b, i64 %ashr
ret ptr %gep
}
define ptr @test7(ptr %b, ptr %e) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[E_PTR:%.*]] = ptrtoint ptr [[E:%.*]] to i64
; CHECK-NEXT: [[B_PTR:%.*]] = ptrtoint ptr [[B:%.*]] to i64
; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[E_PTR]], [[B_PTR]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[SUB]]
; CHECK-NEXT: ret ptr [[GEP]]
;
%e_ptr = ptrtoint ptr %e to i64
%b_ptr = ptrtoint ptr %b to i64
%sub = sub i64 %e_ptr, %b_ptr
%gep = getelementptr inbounds i8, ptr %b, i64 %sub
ret ptr %gep
}
define ptr @undef_inbounds_var_idx(i64 %idx) {
; CHECK-LABEL: @undef_inbounds_var_idx(
; CHECK-NEXT: ret ptr undef
;
%el = getelementptr inbounds i64, ptr undef, i64 %idx
ret ptr %el
}
define ptr @undef_no_inbounds_var_idx(i64 %idx) {
; CHECK-LABEL: @undef_no_inbounds_var_idx(
; CHECK-NEXT: ret ptr undef
;
%el = getelementptr i64, ptr undef, i64 %idx
ret ptr %el
}
define <8 x ptr> @undef_vec1() {
; CHECK-LABEL: @undef_vec1(
; CHECK-NEXT: ret <8 x ptr> undef
;
%el = getelementptr inbounds i64, ptr undef, <8 x i64> undef
ret <8 x ptr> %el
}
define <8 x ptr> @undef_vec2() {
; CHECK-LABEL: @undef_vec2(
; CHECK-NEXT: ret <8 x ptr> undef
;
%el = getelementptr i64, <8 x ptr> undef, <8 x i64> undef
ret <8 x ptr> %el
}
; Check ConstantExpr::getGetElementPtr() using ElementCount for size queries - begin.
; Constant ptr
define ptr @ptr_idx_scalar() {
; CHECK-LABEL: @ptr_idx_scalar(
; CHECK-NEXT: ret ptr inttoptr (i64 4 to ptr)
;
%gep = getelementptr <4 x i32>, ptr null, i64 0, i64 1
ret ptr %gep
}
define <2 x ptr> @ptr_idx_vector() {
; CHECK-LABEL: @ptr_idx_vector(
; CHECK-NEXT: ret <2 x ptr> getelementptr (i32, ptr null, <2 x i64> <i64 1, i64 1>)
;
%gep = getelementptr i32, ptr null, <2 x i64> <i64 1, i64 1>
ret <2 x ptr> %gep
}
define <4 x ptr> @ptr_idx_mix_scalar_vector(){
; CHECK-LABEL: @ptr_idx_mix_scalar_vector(
; CHECK-NEXT: ret <4 x ptr> getelementptr ([42 x [3 x i32]], ptr 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]], ptr null, i64 0, <4 x i64> <i64 0, i64 1, i64 2, i64 3>, i64 0
ret <4 x ptr> %gep
}
; Constant vector
define <4 x ptr> @vector_idx_scalar() {
; CHECK-LABEL: @vector_idx_scalar(
; CHECK-NEXT: ret <4 x ptr> getelementptr (i32, <4 x ptr> zeroinitializer, <4 x i64> <i64 1, i64 1, i64 1, i64 1>)
;
%gep = getelementptr i32, <4 x ptr> zeroinitializer, i64 1
ret <4 x ptr> %gep
}
define <4 x ptr> @vector_idx_vector() {
; CHECK-LABEL: @vector_idx_vector(
; CHECK-NEXT: ret <4 x ptr> getelementptr (i32, <4 x ptr> zeroinitializer, <4 x i64> <i64 1, i64 1, i64 1, i64 1>)
;
%gep = getelementptr i32, <4 x ptr> zeroinitializer, <4 x i64> <i64 1, i64 1, i64 1, i64 1>
ret <4 x ptr> %gep
}
%struct = type { double, float }
define <4 x ptr> @vector_idx_mix_scalar_vector() {
; CHECK-LABEL: @vector_idx_mix_scalar_vector(
; CHECK-NEXT: ret <4 x ptr> getelementptr ([[STRUCT:%.*]], <4 x ptr> zeroinitializer, <4 x i64> zeroinitializer, i32 1)
;
%gep = getelementptr %struct, <4 x ptr> zeroinitializer, i32 0, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
ret <4 x ptr> %gep
}
; Constant scalable
define <vscale x 4 x ptr> @scalable_idx_scalar() {
; CHECK-LABEL: @scalable_idx_scalar(
; CHECK-NEXT: ret <vscale x 4 x ptr> getelementptr (i32, <vscale x 4 x ptr> zeroinitializer, <vscale x 4 x i64> shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer))
;
%gep = getelementptr i32, <vscale x 4 x ptr> zeroinitializer, i64 1
ret <vscale x 4 x ptr> %gep
}
define <vscale x 4 x ptr> @scalable_vector_idx_mix_scalar_vector() {
; CHECK-LABEL: @scalable_vector_idx_mix_scalar_vector(
; CHECK-NEXT: ret <vscale x 4 x ptr> getelementptr ([[STRUCT:%.*]], <vscale x 4 x ptr> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 1)
;
%gep = getelementptr %struct, <vscale x 4 x ptr> zeroinitializer, i32 0, i32 1
ret <vscale x 4 x ptr> %gep
}
define <vscale x 2 x ptr> @ptr_idx_mix_scalar_scalable_vector() {
; CHECK-LABEL: @ptr_idx_mix_scalar_scalable_vector(
; CHECK-NEXT: ret <vscale x 2 x ptr> zeroinitializer
;
%v = getelementptr [2 x i64], ptr null, i64 0, <vscale x 2 x i64> zeroinitializer
ret <vscale x 2 x ptr> %v
}
define ptr @constexpr_gep_nusw_nuw() {
; CHECK-LABEL: @constexpr_gep_nusw_nuw(
; CHECK-NEXT: ret ptr getelementptr nusw nuw (i8, ptr @g, i64 ptrtoint (ptr @g to i64))
;
%v = getelementptr nusw nuw i8, ptr @g, i64 ptrtoint (ptr @g to i64)
ret ptr %v
}
; Check ConstantExpr::getGetElementPtr() using ElementCount for size queries - end.
define ptr @poison() {
; CHECK-LABEL: @poison(
; CHECK-NEXT: ret ptr poison
;
%v = getelementptr i8, ptr poison, i64 1
ret ptr %v
}
define ptr @poison2(ptr %baseptr) {
; CHECK-LABEL: @poison2(
; CHECK-NEXT: ret ptr poison
;
%v = getelementptr i8, ptr %baseptr, i64 poison
ret ptr %v
}
define ptr @D98611_1(ptr %c1, i64 %offset) {
; CHECK-LABEL: @D98611_1(
; CHECK-NEXT: [[C2:%.*]] = getelementptr inbounds i8, ptr [[C1:%.*]], i64 [[OFFSET:%.*]]
; CHECK-NEXT: ret ptr [[C2]]
;
%c2 = getelementptr inbounds i8, ptr %c1, i64 %offset
%ptrtoint1 = ptrtoint ptr %c1 to i64
%ptrtoint2 = ptrtoint ptr %c2 to i64
%sub = sub i64 %ptrtoint2, %ptrtoint1
%gep = getelementptr inbounds i8, ptr %c1, i64 %sub
ret ptr %gep
}
define ptr @D98611_2(ptr %c1, i64 %offset) {
; CHECK-LABEL: @D98611_2(
; CHECK-NEXT: [[C2:%.*]] = getelementptr inbounds [[STRUCT_A:%.*]], ptr [[C1:%.*]], i64 [[OFFSET:%.*]]
; CHECK-NEXT: ret ptr [[C2]]
;
%c2 = getelementptr inbounds %struct.A, ptr %c1, i64 %offset
%ptrtoint1 = ptrtoint ptr %c1 to i64
%ptrtoint2 = ptrtoint ptr %c2 to i64
%sub = sub i64 %ptrtoint2, %ptrtoint1
%sdiv = sdiv exact i64 %sub, 7
%gep = getelementptr inbounds %struct.A, ptr %c1, i64 %sdiv
ret ptr %gep
}
define ptr @D98611_3(ptr %c1, i64 %offset) {
; CHECK-LABEL: @D98611_3(
; CHECK-NEXT: [[C2:%.*]] = getelementptr inbounds i32, ptr [[C1:%.*]], i64 [[OFFSET:%.*]]
; CHECK-NEXT: ret ptr [[C2]]
;
%c2 = getelementptr inbounds i32, ptr %c1, i64 %offset
%ptrtoint1 = ptrtoint ptr %c1 to i64
%ptrtoint2 = ptrtoint ptr %c2 to i64
%sub = sub i64 %ptrtoint2, %ptrtoint1
%ashr = ashr exact i64 %sub, 2
%gep = getelementptr inbounds i32, ptr %c1, i64 %ashr
ret ptr %gep
}
define <8 x ptr> @gep_vector_index_op2_poison(ptr %ptr) {
; CHECK-LABEL: @gep_vector_index_op2_poison(
; CHECK-NEXT: ret <8 x ptr> poison
;
%res = getelementptr inbounds [144 x i32], ptr %ptr, i64 0, <8 x i64> poison
ret <8 x ptr> %res
}
%t.1 = type { i32, [144 x i32] }
define <8 x ptr> @gep_vector_index_op3_poison(ptr %ptr) {
; CHECK-LABEL: @gep_vector_index_op3_poison(
; CHECK-NEXT: ret <8 x ptr> poison
;
%res = getelementptr inbounds %t.1, ptr %ptr, i64 0, i32 1, <8 x i64> poison
ret <8 x ptr> %res
}
%t.2 = type { i32, i32 }
%t.3 = type { i32, [144 x %t.2 ] }
define <8 x ptr> @gep_vector_index_op3_poison_constant_index_afterwards(ptr %ptr) {
; CHECK-LABEL: @gep_vector_index_op3_poison_constant_index_afterwards(
; CHECK-NEXT: ret <8 x ptr> poison
;
%res = getelementptr inbounds %t.3, ptr %ptr, i64 0, i32 1, <8 x i64> poison, i32 1
ret <8 x ptr> %res
}
define i64 @gep_array_of_scalable_vectors_ptrdiff(ptr %ptr) {
%c1 = getelementptr inbounds [8 x <vscale x 4 x i32>], ptr %ptr, i64 4
%c2 = getelementptr inbounds [8 x <vscale x 4 x i32>], ptr %ptr, i64 6
%c1.int = ptrtoint ptr %c1 to i64
%c2.int = ptrtoint ptr %c2 to i64
%diff = sub i64 %c2.int, %c1.int
ret i64 %diff
}
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