| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | |
| ; RUN: opt < %s -passes=instsimplify,verify -S | FileCheck %s | |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| ;; Vector Operations | |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| ; insertelement | |
| define <vscale x 4 x i32> @insertelement_idx_undef(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @insertelement_idx_undef( | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> poison | |
| ; | |
| %r = insertelement <vscale x 4 x i32> %a, i32 5, i64 undef | |
| ret <vscale x 4 x i32> %r | |
| } | |
| define <vscale x 4 x i32> @insertelement_value_undef(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @insertelement_value_undef( | |
| ; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> [[A:%.*]], i32 undef, i64 0 | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> [[R]] | |
| ; | |
| %r = insertelement <vscale x 4 x i32> %a, i32 undef, i64 0 | |
| ret <vscale x 4 x i32> %r | |
| } | |
| define <vscale x 4 x i32> @insertelement_idx_maybe_out_of_bound(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @insertelement_idx_maybe_out_of_bound( | |
| ; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> [[A:%.*]], i32 5, i64 4 | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> [[R]] | |
| ; | |
| %r = insertelement <vscale x 4 x i32> %a, i32 5, i64 4 | |
| ret <vscale x 4 x i32> %r | |
| } | |
| define <vscale x 4 x i32> @insertelement_idx_large_bound(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @insertelement_idx_large_bound( | |
| ; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> [[A:%.*]], i32 5, i64 12345 | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> [[R]] | |
| ; | |
| %r = insertelement <vscale x 4 x i32> %a, i32 5, i64 12345 | |
| ret <vscale x 4 x i32> %r | |
| } | |
| define <vscale x 4 x i32> @insert_extract_element_same_vec_idx_1(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @insert_extract_element_same_vec_idx_1( | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> [[A:%.*]] | |
| ; | |
| %v = extractelement <vscale x 4 x i32> %a, i64 1 | |
| %r = insertelement <vscale x 4 x i32> %a, i32 %v, i64 1 | |
| ret <vscale x 4 x i32> %r | |
| } | |
| define <vscale x 4 x i32> @insertelement_inline_to_ret() { | |
| ; CHECK-LABEL: @insertelement_inline_to_ret( | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i32 0) | |
| ; | |
| %i = insertelement <vscale x 4 x i32> undef, i32 1, i32 0 | |
| ret <vscale x 4 x i32> %i | |
| } | |
| define <vscale x 4 x i32> @insertelement_shufflevector_inline_to_ret() { | |
| ; CHECK-LABEL: @insertelement_shufflevector_inline_to_ret( | |
| ; CHECK-NEXT: ret <vscale x 4 x i32> splat (i32 1) | |
| ; | |
| %i = insertelement <vscale x 4 x i32> undef, i32 1, i32 0 | |
| %i2 = shufflevector <vscale x 4 x i32> %i, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer | |
| ret <vscale x 4 x i32> %i2 | |
| } | |
| ; extractelement | |
| define i32 @extractelement_idx_undef(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @extractelement_idx_undef( | |
| ; CHECK-NEXT: ret i32 poison | |
| ; | |
| %r = extractelement <vscale x 4 x i32> %a, i64 undef | |
| ret i32 %r | |
| } | |
| define i32 @extractelement_vec_undef(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @extractelement_vec_undef( | |
| ; CHECK-NEXT: ret i32 undef | |
| ; | |
| %r = extractelement <vscale x 4 x i32> undef, i64 1 | |
| ret i32 %r | |
| } | |
| define i32 @extractelement_idx_maybe_out_of_bound(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @extractelement_idx_maybe_out_of_bound( | |
| ; CHECK-NEXT: [[R:%.*]] = extractelement <vscale x 4 x i32> [[A:%.*]], i64 4 | |
| ; CHECK-NEXT: ret i32 [[R]] | |
| ; | |
| %r = extractelement <vscale x 4 x i32> %a, i64 4 | |
| ret i32 %r | |
| } | |
| define i32 @extractelement_idx_large_bound(<vscale x 4 x i32> %a) { | |
| ; CHECK-LABEL: @extractelement_idx_large_bound( | |
| ; CHECK-NEXT: [[R:%.*]] = extractelement <vscale x 4 x i32> [[A:%.*]], i64 12345 | |
| ; CHECK-NEXT: ret i32 [[R]] | |
| ; | |
| %r = extractelement <vscale x 4 x i32> %a, i64 12345 | |
| ret i32 %r | |
| } | |
| define i32 @insert_extract_element_same_vec_idx_2() { | |
| ; CHECK-LABEL: @insert_extract_element_same_vec_idx_2( | |
| ; CHECK-NEXT: ret i32 1 | |
| ; | |
| %v = insertelement <vscale x 4 x i32> undef, i32 1, i64 4 | |
| %r = extractelement <vscale x 4 x i32> %v, i64 4 | |
| ret i32 %r | |
| } | |
| define i32 @insert_extract_element_same_vec_idx_3() { | |
| ; CHECK-LABEL: @insert_extract_element_same_vec_idx_3( | |
| ; CHECK-NEXT: ret i32 1 | |
| ; | |
| %r = extractelement <vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i64 4), i64 4 | |
| ret i32 %r | |
| } | |
| define i32 @insert_extract_element_same_vec_idx_4() { | |
| ; CHECK-LABEL: @insert_extract_element_same_vec_idx_4( | |
| ; CHECK-NEXT: ret i32 1 | |
| ; | |
| %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 | |
| ret i32 %r | |
| } | |
| ; Known values of vscale intrinsic | |
| define i64 @vscale64_range4_4() vscale_range(4,4) { | |
| ; CHECK-LABEL: @vscale64_range4_4( | |
| ; CHECK-NEXT: entry: | |
| ; CHECK-NEXT: ret i64 4 | |
| ; | |
| entry: | |
| %vscale = call i64 @llvm.vscale.i64() | |
| ret i64 %vscale | |
| } | |
| ; more complicated expressions | |
| define <vscale x 2 x i1> @cmp_le_smax_always_true(<vscale x 2 x i64> %x) { | |
| ; CHECK-LABEL: @cmp_le_smax_always_true( | |
| ; CHECK-NEXT: ret <vscale x 2 x i1> splat (i1 true) | |
| ; | |
| %cmp = icmp sle <vscale x 2 x i64> %x, splat (i64 9223372036854775807) | |
| ret <vscale x 2 x i1> %cmp | |
| } | |
| define <vscale x 4 x float> @bitcast() { | |
| ; CHECK-LABEL: @bitcast( | |
| ; CHECK-NEXT: ret <vscale x 4 x float> splat (float 1.401300e-45) | |
| ; | |
| %i1 = insertelement <vscale x 4 x i32> undef, i32 1, i32 0 | |
| %i2 = shufflevector <vscale x 4 x i32> %i1, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer | |
| %i3 = bitcast <vscale x 4 x i32> %i2 to <vscale x 4 x float> | |
| ret <vscale x 4 x float> %i3 | |
| } | |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| ;; Memory Access and Addressing Operations | |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| ; getelementptr | |
| define <vscale x 4 x ptr> @getelementptr_constant_foldable_1() { | |
| ; CHECK-LABEL: @getelementptr_constant_foldable_1( | |
| ; CHECK-NEXT: ret <vscale x 4 x ptr> splat (ptr null) | |
| ; | |
| %ptr = getelementptr i32, <vscale x 4 x ptr> zeroinitializer, <vscale x 4 x i64> undef | |
| ret <vscale x 4 x ptr> %ptr | |
| } | |
| define <vscale x 4 x ptr> @getelementptr_constant_foldable_2() { | |
| ; CHECK-LABEL: @getelementptr_constant_foldable_2( | |
| ; CHECK-NEXT: ret <vscale x 4 x ptr> splat (ptr null) | |
| ; | |
| %ptr = getelementptr <vscale x 4 x i32>, ptr null, <vscale x 4 x i64> undef | |
| ret <vscale x 4 x ptr> %ptr | |
| } | |
| ; fold getelementptr P, 0 -> P. | |
| define ptr @getelementptr_constant_foldable_3() { | |
| ; CHECK-LABEL: @getelementptr_constant_foldable_3( | |
| ; CHECK-NEXT: ret ptr null | |
| ; | |
| ret ptr null | |
| } | |
| define ptr @getelementptr_not_constant_foldable(i64 %x) { | |
| ; CHECK-LABEL: @getelementptr_not_constant_foldable( | |
| ; CHECK-NEXT: [[PTR:%.*]] = getelementptr <vscale x 4 x i32>, ptr null, i64 1 | |
| ; CHECK-NEXT: ret ptr [[PTR]] | |
| ; | |
| %ptr = getelementptr <vscale x 4 x i32>, ptr null, i64 1 | |
| ret ptr %ptr | |
| } | |
| ; Check GEP's result is known to be non-null. | |
| define i1 @getelementptr_check_non_null(ptr %ptr) { | |
| ; CHECK-LABEL: @getelementptr_check_non_null( | |
| ; CHECK-NEXT: ret i1 false | |
| ; | |
| %x = getelementptr inbounds <vscale x 16 x i8>, ptr %ptr, i32 1 | |
| %cmp = icmp eq ptr %x, null | |
| ret i1 %cmp | |
| } | |
| define i32 @extractelement_splat_constant_index(i32 %v) { | |
| ; CHECK-LABEL: @extractelement_splat_constant_index( | |
| ; CHECK-NEXT: ret i32 [[V:%.*]] | |
| ; | |
| %in = insertelement <vscale x 4 x i32> undef, i32 %v, i32 0 | |
| %splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer | |
| %r = extractelement <vscale x 4 x i32> %splat, i32 1 | |
| ret i32 %r | |
| } | |
| define i32 @extractelement_splat_variable_index(i32 %v, i32 %idx) { | |
| ; CHECK-LABEL: @extractelement_splat_variable_index( | |
| ; CHECK-NEXT: ret i32 [[V:%.*]] | |
| ; | |
| %in = insertelement <vscale x 4 x i32> undef, i32 %v, i32 0 | |
| %splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer | |
| %r = extractelement <vscale x 4 x i32> %splat, i32 %idx | |
| ret i32 %r | |
| } | |
| declare i64 @llvm.vscale.i64() |