1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -instcombine -S | FileCheck %s 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4 5; Verify that instcombine is able to fold identity shuffles. 6 7define <4 x float> @identity_test_vpermilvar_ps(<4 x float> %v) { 8; CHECK-LABEL: @identity_test_vpermilvar_ps( 9; CHECK-NEXT: ret <4 x float> %v 10; 11 %a = tail call <4 x float> @llvm.x86.avx.vpermilvar.ps(<4 x float> %v, <4 x i32> <i32 0, i32 1, i32 2, i32 3>) 12 ret <4 x float> %a 13} 14 15define <8 x float> @identity_test_vpermilvar_ps_256(<8 x float> %v) { 16; CHECK-LABEL: @identity_test_vpermilvar_ps_256( 17; CHECK-NEXT: ret <8 x float> %v 18; 19 %a = tail call <8 x float> @llvm.x86.avx.vpermilvar.ps.256(<8 x float> %v, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>) 20 ret <8 x float> %a 21} 22 23define <2 x double> @identity_test_vpermilvar_pd(<2 x double> %v) { 24; CHECK-LABEL: @identity_test_vpermilvar_pd( 25; CHECK-NEXT: ret <2 x double> %v 26; 27 %a = tail call <2 x double> @llvm.x86.avx.vpermilvar.pd(<2 x double> %v, <2 x i64> <i64 0, i64 2>) 28 ret <2 x double> %a 29} 30 31define <4 x double> @identity_test_vpermilvar_pd_256(<4 x double> %v) { 32; CHECK-LABEL: @identity_test_vpermilvar_pd_256( 33; CHECK-NEXT: ret <4 x double> %v 34; 35 %a = tail call <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double> %v, <4 x i64> <i64 0, i64 2, i64 0, i64 2>) 36 ret <4 x double> %a 37} 38 39; Instcombine should be able to fold the following byte shuffle to a builtin shufflevector 40; with a shuffle mask of all zeroes. 41 42define <4 x float> @zero_test_vpermilvar_ps_zero(<4 x float> %v) { 43; CHECK-LABEL: @zero_test_vpermilvar_ps_zero( 44; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> %v, <4 x float> undef, <4 x i32> zeroinitializer 45; CHECK-NEXT: ret <4 x float> [[TMP1]] 46; 47 %a = tail call <4 x float> @llvm.x86.avx.vpermilvar.ps(<4 x float> %v, <4 x i32> zeroinitializer) 48 ret <4 x float> %a 49} 50 51define <8 x float> @zero_test_vpermilvar_ps_256_zero(<8 x float> %v) { 52; CHECK-LABEL: @zero_test_vpermilvar_ps_256_zero( 53; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x float> %v, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 4, i32 4, i32 4, i32 4> 54; CHECK-NEXT: ret <8 x float> [[TMP1]] 55; 56 %a = tail call <8 x float> @llvm.x86.avx.vpermilvar.ps.256(<8 x float> %v, <8 x i32> zeroinitializer) 57 ret <8 x float> %a 58} 59 60define <2 x double> @zero_test_vpermilvar_pd_zero(<2 x double> %v) { 61; CHECK-LABEL: @zero_test_vpermilvar_pd_zero( 62; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> %v, <2 x double> undef, <2 x i32> zeroinitializer 63; CHECK-NEXT: ret <2 x double> [[TMP1]] 64; 65 %a = tail call <2 x double> @llvm.x86.avx.vpermilvar.pd(<2 x double> %v, <2 x i64> zeroinitializer) 66 ret <2 x double> %a 67} 68 69define <4 x double> @zero_test_vpermilvar_pd_256_zero(<4 x double> %v) { 70; CHECK-LABEL: @zero_test_vpermilvar_pd_256_zero( 71; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> %v, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2> 72; CHECK-NEXT: ret <4 x double> [[TMP1]] 73; 74 %a = tail call <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double> %v, <4 x i64> zeroinitializer) 75 ret <4 x double> %a 76} 77 78; Verify that instcombine is able to fold constant shuffles. 79 80define <4 x float> @test_vpermilvar_ps(<4 x float> %v) { 81; CHECK-LABEL: @test_vpermilvar_ps( 82; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> %v, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> 83; CHECK-NEXT: ret <4 x float> [[TMP1]] 84; 85 %a = tail call <4 x float> @llvm.x86.avx.vpermilvar.ps(<4 x float> %v, <4 x i32> <i32 3, i32 2, i32 1, i32 0>) 86 ret <4 x float> %a 87} 88 89define <8 x float> @test_vpermilvar_ps_256(<8 x float> %v) { 90; CHECK-LABEL: @test_vpermilvar_ps_256( 91; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x float> %v, <8 x float> undef, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4> 92; CHECK-NEXT: ret <8 x float> [[TMP1]] 93; 94 %a = tail call <8 x float> @llvm.x86.avx.vpermilvar.ps.256(<8 x float> %v, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>) 95 ret <8 x float> %a 96} 97 98define <2 x double> @test_vpermilvar_pd(<2 x double> %v) { 99; CHECK-LABEL: @test_vpermilvar_pd( 100; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> %v, <2 x double> undef, <2 x i32> <i32 1, i32 0> 101; CHECK-NEXT: ret <2 x double> [[TMP1]] 102; 103 %a = tail call <2 x double> @llvm.x86.avx.vpermilvar.pd(<2 x double> %v, <2 x i64> <i64 2, i64 0>) 104 ret <2 x double> %a 105} 106 107define <4 x double> @test_vpermilvar_pd_256(<4 x double> %v) { 108; CHECK-LABEL: @test_vpermilvar_pd_256( 109; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> %v, <4 x double> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2> 110; CHECK-NEXT: ret <4 x double> [[TMP1]] 111; 112 %a = tail call <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double> %v, <4 x i64> <i64 3, i64 1, i64 2, i64 0>) 113 ret <4 x double> %a 114} 115 116; Verify that instcombine is able to fold constant shuffles with undef mask elements. 117 118define <4 x float> @undef_test_vpermilvar_ps(<4 x float> %v) { 119; CHECK-LABEL: @undef_test_vpermilvar_ps( 120; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> %v, <4 x float> undef, <4 x i32> <i32 undef, i32 2, i32 1, i32 undef> 121; CHECK-NEXT: ret <4 x float> [[TMP1]] 122; 123 %a = tail call <4 x float> @llvm.x86.avx.vpermilvar.ps(<4 x float> %v, <4 x i32> <i32 undef, i32 2, i32 1, i32 undef>) 124 ret <4 x float> %a 125} 126 127define <8 x float> @undef_test_vpermilvar_ps_256(<8 x float> %v) { 128; CHECK-LABEL: @undef_test_vpermilvar_ps_256( 129; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x float> %v, <8 x float> undef, <8 x i32> <i32 undef, i32 2, i32 1, i32 undef, i32 7, i32 6, i32 5, i32 4> 130; CHECK-NEXT: ret <8 x float> [[TMP1]] 131; 132 %a = tail call <8 x float> @llvm.x86.avx.vpermilvar.ps.256(<8 x float> %v, <8 x i32> <i32 undef, i32 6, i32 5, i32 undef, i32 3, i32 2, i32 1, i32 0>) 133 ret <8 x float> %a 134} 135 136define <2 x double> @undef_test_vpermilvar_pd(<2 x double> %v) { 137; CHECK-LABEL: @undef_test_vpermilvar_pd( 138; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> %v, <2 x double> undef, <2 x i32> <i32 undef, i32 0> 139; CHECK-NEXT: ret <2 x double> [[TMP1]] 140; 141 %a = tail call <2 x double> @llvm.x86.avx.vpermilvar.pd(<2 x double> %v, <2 x i64> <i64 undef, i64 0>) 142 ret <2 x double> %a 143} 144 145define <4 x double> @undef_test_vpermilvar_pd_256(<4 x double> %v) { 146; CHECK-LABEL: @undef_test_vpermilvar_pd_256( 147; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> %v, <4 x double> undef, <4 x i32> <i32 undef, i32 0, i32 3, i32 undef> 148; CHECK-NEXT: ret <4 x double> [[TMP1]] 149; 150 %a = tail call <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double> %v, <4 x i64> <i64 undef, i64 1, i64 2, i64 undef>) 151 ret <4 x double> %a 152} 153 154declare <2 x double> @llvm.x86.avx.vpermilvar.pd(<2 x double>, <2 x i64>) 155declare <4 x double> @llvm.x86.avx.vpermilvar.pd.256(<4 x double>, <4 x i64>) 156 157declare <4 x float> @llvm.x86.avx.vpermilvar.ps(<4 x float>, <4 x i32>) 158declare <8 x float> @llvm.x86.avx.vpermilvar.ps.256(<8 x float>, <8 x i32>) 159