1; RUN: llc -O3 -mtriple=x86_64-apple-macosx -o - < %s -mattr=+avx2 -enable-unsafe-fp-math -mcpu=core2 | FileCheck %s 2; Check that the ExeDepsFix pass correctly fixes the domain for broadcast instructions. 3; <rdar://problem/16354675> 4 5; CHECK-LABEL: ExeDepsFix_broadcastss 6; CHECK: broadcastss 7; CHECK: vandps 8; CHECK: vmaxps 9; CHECK: ret 10define <4 x float> @ExeDepsFix_broadcastss(<4 x float> %arg, <4 x float> %arg2) { 11 %bitcast = bitcast <4 x float> %arg to <4 x i32> 12 %and = and <4 x i32> %bitcast, <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647> 13 %floatcast = bitcast <4 x i32> %and to <4 x float> 14 %max_is_x = fcmp oge <4 x float> %floatcast, %arg2 15 %max = select <4 x i1> %max_is_x, <4 x float> %floatcast, <4 x float> %arg2 16 ret <4 x float> %max 17} 18 19; CHECK-LABEL: ExeDepsFix_broadcastss256 20; CHECK: broadcastss 21; CHECK: vandps 22; CHECK: vmaxps 23; CHECK: ret 24define <8 x float> @ExeDepsFix_broadcastss256(<8 x float> %arg, <8 x float> %arg2) { 25 %bitcast = bitcast <8 x float> %arg to <8 x i32> 26 %and = and <8 x i32> %bitcast, <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647> 27 %floatcast = bitcast <8 x i32> %and to <8 x float> 28 %max_is_x = fcmp oge <8 x float> %floatcast, %arg2 29 %max = select <8 x i1> %max_is_x, <8 x float> %floatcast, <8 x float> %arg2 30 ret <8 x float> %max 31} 32 33 34; CHECK-LABEL: ExeDepsFix_broadcastss_inreg 35; CHECK: broadcastss 36; CHECK: vandps 37; CHECK: vmaxps 38; CHECK: ret 39define <4 x float> @ExeDepsFix_broadcastss_inreg(<4 x float> %arg, <4 x float> %arg2, i32 %broadcastvalue) { 40 %bitcast = bitcast <4 x float> %arg to <4 x i32> 41 %in = insertelement <4 x i32> undef, i32 %broadcastvalue, i32 0 42 %mask = shufflevector <4 x i32> %in, <4 x i32> undef, <4 x i32> zeroinitializer 43 %and = and <4 x i32> %bitcast, %mask 44 %floatcast = bitcast <4 x i32> %and to <4 x float> 45 %max_is_x = fcmp oge <4 x float> %floatcast, %arg2 46 %max = select <4 x i1> %max_is_x, <4 x float> %floatcast, <4 x float> %arg2 47 ret <4 x float> %max 48} 49 50; CHECK-LABEL: ExeDepsFix_broadcastss256_inreg 51; CHECK: broadcastss 52; CHECK: vandps 53; CHECK: vmaxps 54; CHECK: ret 55define <8 x float> @ExeDepsFix_broadcastss256_inreg(<8 x float> %arg, <8 x float> %arg2, i32 %broadcastvalue) { 56 %bitcast = bitcast <8 x float> %arg to <8 x i32> 57 %in = insertelement <8 x i32> undef, i32 %broadcastvalue, i32 0 58 %mask = shufflevector <8 x i32> %in, <8 x i32> undef, <8 x i32> zeroinitializer 59 %and = and <8 x i32> %bitcast, %mask 60 %floatcast = bitcast <8 x i32> %and to <8 x float> 61 %max_is_x = fcmp oge <8 x float> %floatcast, %arg2 62 %max = select <8 x i1> %max_is_x, <8 x float> %floatcast, <8 x float> %arg2 63 ret <8 x float> %max 64} 65 66; CHECK-LABEL: ExeDepsFix_broadcastsd 67; In that case the broadcast is directly folded into vandpd. 68; CHECK: vandpd 69; CHECK: vmaxpd 70; CHECK:ret 71define <2 x double> @ExeDepsFix_broadcastsd(<2 x double> %arg, <2 x double> %arg2) { 72 %bitcast = bitcast <2 x double> %arg to <2 x i64> 73 %and = and <2 x i64> %bitcast, <i64 2147483647, i64 2147483647> 74 %floatcast = bitcast <2 x i64> %and to <2 x double> 75 %max_is_x = fcmp oge <2 x double> %floatcast, %arg2 76 %max = select <2 x i1> %max_is_x, <2 x double> %floatcast, <2 x double> %arg2 77 ret <2 x double> %max 78} 79 80; CHECK-LABEL: ExeDepsFix_broadcastsd256 81; CHECK: broadcastsd 82; CHECK: vandpd 83; CHECK: vmaxpd 84; CHECK: ret 85define <4 x double> @ExeDepsFix_broadcastsd256(<4 x double> %arg, <4 x double> %arg2) { 86 %bitcast = bitcast <4 x double> %arg to <4 x i64> 87 %and = and <4 x i64> %bitcast, <i64 2147483647, i64 2147483647, i64 2147483647, i64 2147483647> 88 %floatcast = bitcast <4 x i64> %and to <4 x double> 89 %max_is_x = fcmp oge <4 x double> %floatcast, %arg2 90 %max = select <4 x i1> %max_is_x, <4 x double> %floatcast, <4 x double> %arg2 91 ret <4 x double> %max 92} 93 94 95; CHECK-LABEL: ExeDepsFix_broadcastsd_inreg 96; ExeDepsFix works top down, thus it coalesces vpunpcklqdq domain with 97; vpand and there is nothing more you can do to match vmaxpd. 98; CHECK: vmovq 99; CHECK: vpbroadcastq 100; CHECK: vpand 101; CHECK: vmaxpd 102; CHECK: ret 103define <2 x double> @ExeDepsFix_broadcastsd_inreg(<2 x double> %arg, <2 x double> %arg2, i64 %broadcastvalue) { 104 %bitcast = bitcast <2 x double> %arg to <2 x i64> 105 %in = insertelement <2 x i64> undef, i64 %broadcastvalue, i32 0 106 %mask = shufflevector <2 x i64> %in, <2 x i64> undef, <2 x i32> zeroinitializer 107 %and = and <2 x i64> %bitcast, %mask 108 %floatcast = bitcast <2 x i64> %and to <2 x double> 109 %max_is_x = fcmp oge <2 x double> %floatcast, %arg2 110 %max = select <2 x i1> %max_is_x, <2 x double> %floatcast, <2 x double> %arg2 111 ret <2 x double> %max 112} 113 114; CHECK-LABEL: ExeDepsFix_broadcastsd256_inreg 115; CHECK: broadcastsd 116; CHECK: vandpd 117; CHECK: vmaxpd 118; CHECK: ret 119define <4 x double> @ExeDepsFix_broadcastsd256_inreg(<4 x double> %arg, <4 x double> %arg2, i64 %broadcastvalue) { 120 %bitcast = bitcast <4 x double> %arg to <4 x i64> 121 %in = insertelement <4 x i64> undef, i64 %broadcastvalue, i32 0 122 %mask = shufflevector <4 x i64> %in, <4 x i64> undef, <4 x i32> zeroinitializer 123 %and = and <4 x i64> %bitcast, %mask 124 %floatcast = bitcast <4 x i64> %and to <4 x double> 125 %max_is_x = fcmp oge <4 x double> %floatcast, %arg2 126 %max = select <4 x i1> %max_is_x, <4 x double> %floatcast, <4 x double> %arg2 127 ret <4 x double> %max 128} 129 130