1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" 4 target triple = "powerpc64-unknown-linux-gnu" 5 6 ; These tests are extracted from bitcast.ll. 7 ; Verify that they also work correctly on big-endian targets. 8 9 define float @test2(<2 x float> %A, <2 x i32> %B) { 10 %tmp28 = bitcast <2 x float> %A to i64 ; <i64> [#uses=2] 11 %tmp23 = trunc i64 %tmp28 to i32 ; <i32> [#uses=1] 12 %tmp24 = bitcast i32 %tmp23 to float ; <float> [#uses=1] 13 14 %tmp = bitcast <2 x i32> %B to i64 15 %tmp2 = trunc i64 %tmp to i32 ; <i32> [#uses=1] 16 %tmp4 = bitcast i32 %tmp2 to float ; <float> [#uses=1] 17 18 %add = fadd float %tmp24, %tmp4 19 ret float %add 20 21 ; CHECK-LABEL: @test2( 22 ; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 1 23 ; CHECK-NEXT: bitcast <2 x i32> %B to <2 x float> 24 ; CHECK-NEXT: %tmp4 = extractelement <2 x float> {{.*}}, i32 1 25 ; CHECK-NEXT: %add = fadd float %tmp24, %tmp4 26 ; CHECK-NEXT: ret float %add 27 } 28 29 define float @test3(<2 x float> %A, <2 x i64> %B) { 30 %tmp28 = bitcast <2 x float> %A to i64 31 %tmp29 = lshr i64 %tmp28, 32 32 %tmp23 = trunc i64 %tmp29 to i32 33 %tmp24 = bitcast i32 %tmp23 to float 34 35 %tmp = bitcast <2 x i64> %B to i128 36 %tmp1 = lshr i128 %tmp, 64 37 %tmp2 = trunc i128 %tmp1 to i32 38 %tmp4 = bitcast i32 %tmp2 to float 39 40 %add = fadd float %tmp24, %tmp4 41 ret float %add 42 43 ; CHECK-LABEL: @test3( 44 ; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 0 45 ; CHECK-NEXT: bitcast <2 x i64> %B to <4 x float> 46 ; CHECK-NEXT: %tmp4 = extractelement <4 x float> {{.*}}, i32 1 47 ; CHECK-NEXT: %add = fadd float %tmp24, %tmp4 48 ; CHECK-NEXT: ret float %add 49 } 50 51 define <2 x i32> @test4(i32 %A, i32 %B){ 52 %tmp38 = zext i32 %A to i64 53 %tmp32 = zext i32 %B to i64 54 %tmp33 = shl i64 %tmp32, 32 55 %ins35 = or i64 %tmp33, %tmp38 56 %tmp43 = bitcast i64 %ins35 to <2 x i32> 57 ret <2 x i32> %tmp43 58 ; CHECK-LABEL: @test4( 59 ; CHECK-NEXT: insertelement <2 x i32> undef, i32 %B, i32 0 60 ; CHECK-NEXT: insertelement <2 x i32> {{.*}}, i32 %A, i32 1 61 ; CHECK-NEXT: ret <2 x i32> 62 63 } 64 65 define <2 x float> @test5(float %A, float %B) { 66 %tmp37 = bitcast float %A to i32 67 %tmp38 = zext i32 %tmp37 to i64 68 %tmp31 = bitcast float %B to i32 69 %tmp32 = zext i32 %tmp31 to i64 70 %tmp33 = shl i64 %tmp32, 32 71 %ins35 = or i64 %tmp33, %tmp38 72 %tmp43 = bitcast i64 %ins35 to <2 x float> 73 ret <2 x float> %tmp43 74 ; CHECK-LABEL: @test5( 75 ; CHECK-NEXT: insertelement <2 x float> undef, float %B, i32 0 76 ; CHECK-NEXT: insertelement <2 x float> {{.*}}, float %A, i32 1 77 ; CHECK-NEXT: ret <2 x float> 78 } 79 80 define <2 x float> @test6(float %A){ 81 %tmp23 = bitcast float %A to i32 ; <i32> [#uses=1] 82 %tmp24 = zext i32 %tmp23 to i64 ; <i64> [#uses=1] 83 %tmp25 = shl i64 %tmp24, 32 ; <i64> [#uses=1] 84 %mask20 = or i64 %tmp25, 1109917696 ; <i64> [#uses=1] 85 %tmp35 = bitcast i64 %mask20 to <2 x float> ; <<2 x float>> [#uses=1] 86 ret <2 x float> %tmp35 87 ; CHECK-LABEL: @test6( 88 ; CHECK-NEXT: insertelement <2 x float> undef, float %A, i32 0 89 ; CHECK-NEXT: insertelement <2 x float> {{.*}}, float 4.200000e+01, i32 1 90 ; CHECK: ret 91 } 92 93 ; Verify that 'xor' of vector and constant is done as a vector bitwise op before the bitcast. 94 95 define <2 x i32> @xor_bitcast_vec_to_vec(<1 x i64> %a) { 96 %t1 = bitcast <1 x i64> %a to <2 x i32> 97 %t2 = xor <2 x i32> <i32 1, i32 2>, %t1 98 ret <2 x i32> %t2 99 100 ; CHECK-LABEL: @xor_bitcast_vec_to_vec( 101 ; CHECK-NEXT: %t21 = xor <1 x i64> %a, <i64 4294967298> 102 ; CHECK-NEXT: %t2 = bitcast <1 x i64> %t21 to <2 x i32> 103 ; CHECK-NEXT: ret <2 x i32> %t2 104 } 105 106 ; Verify that 'and' of integer and constant is done as a vector bitwise op before the bitcast. 107 108 define i64 @and_bitcast_vec_to_int(<2 x i32> %a) { 109 %t1 = bitcast <2 x i32> %a to i64 110 %t2 = and i64 %t1, 3 111 ret i64 %t2 112 113 ; CHECK-LABEL: @and_bitcast_vec_to_int( 114 ; CHECK-NEXT: %t21 = and <2 x i32> %a, <i32 0, i32 3> 115 ; CHECK-NEXT: %t2 = bitcast <2 x i32> %t21 to i64 116 ; CHECK-NEXT: ret i64 %t2 117 } 118 119 ; Verify that 'or' of vector and constant is done as an integer bitwise op before the bitcast. 120 121 define <2 x i32> @or_bitcast_int_to_vec(i64 %a) { 122 %t1 = bitcast i64 %a to <2 x i32> 123 %t2 = or <2 x i32> %t1, <i32 1, i32 2> 124 ret <2 x i32> %t2 125 126 ; CHECK-LABEL: @or_bitcast_int_to_vec( 127 ; CHECK-NEXT: %t21 = or i64 %a, 4294967298 128 ; CHECK-NEXT: %t2 = bitcast i64 %t21 to <2 x i32> 129 ; CHECK-NEXT: ret <2 x i32> %t2 130 } 131 132
