forked from OSchip/llvm-project
235 lines
8.6 KiB
LLVM
235 lines
8.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S -verify | FileCheck %s
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Vector Operations
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; insertelement
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define <vscale x 4 x i32> @insertelement_idx_undef(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @insertelement_idx_undef(
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; CHECK-NEXT: ret <vscale x 4 x i32> poison
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;
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%r = insertelement <vscale x 4 x i32> %a, i32 5, i64 undef
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ret <vscale x 4 x i32> %r
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}
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define <vscale x 4 x i32> @insertelement_value_undef(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @insertelement_value_undef(
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; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> [[A:%.*]], i32 undef, i64 0
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; CHECK-NEXT: ret <vscale x 4 x i32> [[R]]
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;
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%r = insertelement <vscale x 4 x i32> %a, i32 undef, i64 0
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ret <vscale x 4 x i32> %r
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}
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define <vscale x 4 x i32> @insertelement_idx_maybe_out_of_bound(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @insertelement_idx_maybe_out_of_bound(
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; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> [[A:%.*]], i32 5, i64 4
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; CHECK-NEXT: ret <vscale x 4 x i32> [[R]]
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;
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%r = insertelement <vscale x 4 x i32> %a, i32 5, i64 4
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ret <vscale x 4 x i32> %r
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}
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define <vscale x 4 x i32> @insertelement_idx_large_bound(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @insertelement_idx_large_bound(
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; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> [[A:%.*]], i32 5, i64 12345
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; CHECK-NEXT: ret <vscale x 4 x i32> [[R]]
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;
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%r = insertelement <vscale x 4 x i32> %a, i32 5, i64 12345
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ret <vscale x 4 x i32> %r
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}
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define <vscale x 4 x i32> @insert_extract_element_same_vec_idx_1(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @insert_extract_element_same_vec_idx_1(
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; CHECK-NEXT: ret <vscale x 4 x i32> [[A:%.*]]
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;
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%v = extractelement <vscale x 4 x i32> %a, i64 1
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%r = insertelement <vscale x 4 x i32> %a, i32 %v, i64 1
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ret <vscale x 4 x i32> %r
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}
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define <vscale x 4 x i32> @insertelement_inline_to_ret() {
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; CHECK-LABEL: @insertelement_inline_to_ret(
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; CHECK-NEXT: ret <vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i32 0)
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;
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%i = insertelement <vscale x 4 x i32> undef, i32 1, i32 0
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ret <vscale x 4 x i32> %i
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}
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define <vscale x 4 x i32> @insertelement_shufflevector_inline_to_ret() {
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; CHECK-LABEL: @insertelement_shufflevector_inline_to_ret(
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; CHECK-NEXT: ret <vscale x 4 x i32> shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i32 0), <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer)
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;
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%i = insertelement <vscale x 4 x i32> undef, i32 1, i32 0
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%i2 = shufflevector <vscale x 4 x i32> %i, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
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ret <vscale x 4 x i32> %i2
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}
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; extractelement
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define i32 @extractelement_idx_undef(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @extractelement_idx_undef(
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; CHECK-NEXT: ret i32 poison
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;
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%r = extractelement <vscale x 4 x i32> %a, i64 undef
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ret i32 %r
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}
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define i32 @extractelement_vec_undef(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @extractelement_vec_undef(
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; CHECK-NEXT: ret i32 undef
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;
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%r = extractelement <vscale x 4 x i32> undef, i64 1
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ret i32 %r
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}
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define i32 @extractelement_idx_maybe_out_of_bound(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @extractelement_idx_maybe_out_of_bound(
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; CHECK-NEXT: [[R:%.*]] = extractelement <vscale x 4 x i32> [[A:%.*]], i64 4
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; CHECK-NEXT: ret i32 [[R]]
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;
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%r = extractelement <vscale x 4 x i32> %a, i64 4
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ret i32 %r
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}
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define i32 @extractelement_idx_large_bound(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @extractelement_idx_large_bound(
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; CHECK-NEXT: [[R:%.*]] = extractelement <vscale x 4 x i32> [[A:%.*]], i64 12345
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; CHECK-NEXT: ret i32 [[R]]
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;
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%r = extractelement <vscale x 4 x i32> %a, i64 12345
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ret i32 %r
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}
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define i32 @insert_extract_element_same_vec_idx_2() {
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; CHECK-LABEL: @insert_extract_element_same_vec_idx_2(
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; CHECK-NEXT: ret i32 1
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;
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%v = insertelement <vscale x 4 x i32> undef, i32 1, i64 4
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%r = extractelement <vscale x 4 x i32> %v, i64 4
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ret i32 %r
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}
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define i32 @insert_extract_element_same_vec_idx_3() {
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; CHECK-LABEL: @insert_extract_element_same_vec_idx_3(
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; CHECK-NEXT: ret i32 1
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;
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%r = extractelement <vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i64 4), i64 4
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ret i32 %r
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}
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define i32 @insert_extract_element_same_vec_idx_4() {
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; CHECK-LABEL: @insert_extract_element_same_vec_idx_4(
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; CHECK-NEXT: ret i32 1
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;
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%r = extractelement <vscale x 4 x i32> insertelement (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i32 4), i32 2, i64 3), i64 4
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ret i32 %r
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}
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; Known values of vscale intrinsic
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define i64 @vscale64_range4_4() vscale_range(4,4) {
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; CHECK-LABEL: @vscale64_range4_4(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 4
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;
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entry:
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%vscale = call i64 @llvm.vscale.i64()
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ret i64 %vscale
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}
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; more complicated expressions
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define <vscale x 2 x i1> @cmp_le_smax_always_true(<vscale x 2 x i64> %x) {
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; CHECK-LABEL: @cmp_le_smax_always_true(
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; CHECK-NEXT: ret <vscale x 2 x i1> shufflevector (<vscale x 2 x i1> insertelement (<vscale x 2 x i1> poison, i1 true, i32 0), <vscale x 2 x i1> poison, <vscale x 2 x i32> zeroinitializer)
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;
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%cmp = icmp sle <vscale x 2 x i64> %x, shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 9223372036854775807, i32 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer)
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ret <vscale x 2 x i1> %cmp
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}
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define <vscale x 4 x float> @bitcast() {
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; CHECK-LABEL: @bitcast(
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; CHECK-NEXT: ret <vscale x 4 x float> bitcast (<vscale x 4 x i32> shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i32 0), <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer) to <vscale x 4 x float>)
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;
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%i1 = insertelement <vscale x 4 x i32> undef, i32 1, i32 0
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%i2 = shufflevector <vscale x 4 x i32> %i1, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
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%i3 = bitcast <vscale x 4 x i32> %i2 to <vscale x 4 x float>
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ret <vscale x 4 x float> %i3
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}
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Memory Access and Addressing Operations
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; getelementptr
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define <vscale x 4 x i32*> @getelementptr_constant_foldable_1() {
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; CHECK-LABEL: @getelementptr_constant_foldable_1(
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; CHECK-NEXT: ret <vscale x 4 x i32*> zeroinitializer
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;
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%ptr = getelementptr i32, <vscale x 4 x i32*> zeroinitializer, <vscale x 4 x i64> undef
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ret <vscale x 4 x i32*> %ptr
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}
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define <vscale x 4 x <vscale x 4 x i32>*> @getelementptr_constant_foldable_2() {
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; CHECK-LABEL: @getelementptr_constant_foldable_2(
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; CHECK-NEXT: ret <vscale x 4 x <vscale x 4 x i32>*> zeroinitializer
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;
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%ptr = getelementptr <vscale x 4 x i32>, <vscale x 4 x i32>* null, <vscale x 4 x i64> undef
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ret <vscale x 4 x <vscale x 4 x i32>*> %ptr
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}
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; fold getelementptr P, 0 -> P.
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define <vscale x 4 x i32>* @getelementptr_constant_foldable_3() {
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; CHECK-LABEL: @getelementptr_constant_foldable_3(
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; CHECK-NEXT: ret <vscale x 4 x i32>* null
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;
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%ptr = getelementptr <vscale x 4 x i32>, <vscale x 4 x i32>* null, i64 0
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ret <vscale x 4 x i32>* %ptr
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}
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define <vscale x 4 x i32>* @getelementptr_not_constant_foldable(i64 %x) {
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; CHECK-LABEL: @getelementptr_not_constant_foldable(
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; CHECK-NEXT: [[PTR:%.*]] = getelementptr <vscale x 4 x i32>, <vscale x 4 x i32>* null, i64 [[X:%.*]]
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; CHECK-NEXT: ret <vscale x 4 x i32>* [[PTR]]
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;
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%ptr = getelementptr <vscale x 4 x i32>, <vscale x 4 x i32>* null, i64 %x
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ret <vscale x 4 x i32>* %ptr
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}
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; Check GEP's result is known to be non-null.
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define i1 @getelementptr_check_non_null(<vscale x 16 x i8>* %ptr) {
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; CHECK-LABEL: @getelementptr_check_non_null(
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; CHECK-NEXT: ret i1 false
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;
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%x = getelementptr inbounds <vscale x 16 x i8>, <vscale x 16 x i8>* %ptr, i32 1
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%cmp = icmp eq <vscale x 16 x i8>* %x, null
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ret i1 %cmp
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}
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define i32 @extractelement_splat_constant_index(i32 %v) {
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; CHECK-LABEL: @extractelement_splat_constant_index(
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; CHECK-NEXT: ret i32 [[V:%.*]]
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;
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%in = insertelement <vscale x 4 x i32> undef, i32 %v, i32 0
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%splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
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%r = extractelement <vscale x 4 x i32> %splat, i32 1
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ret i32 %r
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}
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define i32 @extractelement_splat_variable_index(i32 %v, i32 %idx) {
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; CHECK-LABEL: @extractelement_splat_variable_index(
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; CHECK-NEXT: ret i32 [[V:%.*]]
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;
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%in = insertelement <vscale x 4 x i32> undef, i32 %v, i32 0
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%splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
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%r = extractelement <vscale x 4 x i32> %splat, i32 %idx
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ret i32 %r
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}
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declare i64 @llvm.vscale.i64()
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