1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=instsimplify -S | FileCheck %s 3 4define i32 @test1() { 5; CHECK-LABEL: @test1( 6; CHECK-NEXT: ret i32 2139171423 7; 8 %A = bitcast i32 2139171423 to float 9 %B = insertelement <1 x float> undef, float %A, i32 0 10 %C = extractelement <1 x float> %B, i32 0 11 %D = bitcast float %C to i32 12 ret i32 %D 13} 14 15define <4 x i64> @insertelement() { 16; CHECK-LABEL: @insertelement( 17; CHECK-NEXT: ret <4 x i64> <i64 -1, i64 -2, i64 -3, i64 -4> 18; 19 %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0 20 %vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1 21 %vec3 = insertelement <4 x i64> %vec2, i64 -3, i32 2 22 %vec4 = insertelement <4 x i64> %vec3, i64 -4, i32 3 23 ret <4 x i64> %vec4 24} 25 26define <4 x i64> @insertelement_undef() { 27; CHECK-LABEL: @insertelement_undef( 28; CHECK-NEXT: ret <4 x i64> poison 29; 30 %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0 31 %vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1 32 %vec3 = insertelement <4 x i64> %vec2, i64 -3, i32 2 33 %vec4 = insertelement <4 x i64> %vec3, i64 -4, i32 3 34 %vec5 = insertelement <4 x i64> %vec3, i64 -5, i32 4 35 ret <4 x i64> %vec5 36} 37 38define i64 @extract_undef_index_from_zero_vec() { 39; CHECK-LABEL: @extract_undef_index_from_zero_vec( 40; CHECK-NEXT: ret i64 poison 41; 42 %E = extractelement <2 x i64> zeroinitializer, i64 undef 43 ret i64 %E 44} 45 46define i64 @extract_undef_index_from_nonzero_vec() { 47; CHECK-LABEL: @extract_undef_index_from_nonzero_vec( 48; CHECK-NEXT: ret i64 poison 49; 50 %E = extractelement <2 x i64> <i64 -1, i64 -1>, i64 undef 51 ret i64 %E 52} 53 54define <vscale x 2 x i32> @insertelement_scalable_null() { 55; CHECK-LABEL: @insertelement_scalable_null( 56; CHECK-NEXT: ret <vscale x 2 x i32> zeroinitializer 57; 58 %vec = insertelement <vscale x 2 x i32> zeroinitializer, i32 0, i32 0 59 ret <vscale x 2 x i32> %vec 60} 61 62define <vscale x 2 x float> @insertelement_scalable_null_fp() { 63; CHECK-LABEL: @insertelement_scalable_null_fp( 64; CHECK-NEXT: ret <vscale x 2 x float> zeroinitializer 65; 66 %vec = insertelement <vscale x 2 x float> zeroinitializer, float 0.0, i32 1 67 ret <vscale x 2 x float> %vec 68} 69