1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -O3 -S | FileCheck %s 3; RUN: opt < %s -passes='default<O3>' -aa-pipeline=default -S | FileCheck %s 4 5; Test that IR is optimal after vectorization/unrolling/CSE/canonicalization. 6; In particular, there should be no fdivs inside loops because that is expensive. 7 8; TODO: There is a CSE opportunity to reduce the hoisted fdivs after vectorization/unrolling. 9; PR46115 - https://bugs.llvm.org/PR46115 10 11target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 12target triple = "x86_64-apple-macosx10.15.0" 13 14define void @vdiv(double* %x, double* %y, double %a, i32 %N) #0 { 15; CHECK-LABEL: @vdiv( 16; CHECK-NEXT: entry: 17; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0 18; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] 19; CHECK: for.body.lr.ph: 20; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64 21; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4 22; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER:%.*]], label [[VECTOR_MEMCHECK:%.*]] 23; CHECK: vector.memcheck: 24; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr double, double* [[X:%.*]], i64 [[WIDE_TRIP_COUNT]] 25; CHECK-NEXT: [[SCEVGEP6:%.*]] = getelementptr double, double* [[Y:%.*]], i64 [[WIDE_TRIP_COUNT]] 26; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt double* [[SCEVGEP6]], [[X]] 27; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt double* [[SCEVGEP]], [[Y]] 28; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] 29; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[FOR_BODY_PREHEADER]], label [[VECTOR_PH:%.*]] 30; CHECK: vector.ph: 31; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[WIDE_TRIP_COUNT]], 4294967292 32; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x double> undef, double [[A:%.*]], i32 0 33; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x double> [[BROADCAST_SPLATINSERT]], <4 x double> undef, <4 x i32> zeroinitializer 34; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[N_VEC]], -4 35; CHECK-NEXT: [[TMP1:%.*]] = lshr exact i64 [[TMP0]], 2 36; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1 37; CHECK-NEXT: [[XTRAITER:%.*]] = and i64 [[TMP2]], 3 38; CHECK-NEXT: [[TMP3:%.*]] = icmp ult i64 [[TMP0]], 12 39; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK_UNR_LCSSA:%.*]], label [[VECTOR_PH_NEW:%.*]] 40; CHECK: vector.ph.new: 41; CHECK-NEXT: [[UNROLL_ITER:%.*]] = and i64 [[TMP2]], 9223372036854775804 42; CHECK-NEXT: [[TMP4:%.*]] = fdiv fast <4 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>, [[BROADCAST_SPLAT]] 43; CHECK-NEXT: [[TMP5:%.*]] = fdiv fast <4 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>, [[BROADCAST_SPLAT]] 44; CHECK-NEXT: [[TMP6:%.*]] = fdiv fast <4 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>, [[BROADCAST_SPLAT]] 45; CHECK-NEXT: [[TMP7:%.*]] = fdiv fast <4 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>, [[BROADCAST_SPLAT]] 46; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 47; CHECK: vector.body: 48; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH_NEW]] ], [ [[INDEX_NEXT_3:%.*]], [[VECTOR_BODY]] ] 49; CHECK-NEXT: [[NITER:%.*]] = phi i64 [ [[UNROLL_ITER]], [[VECTOR_PH_NEW]] ], [ [[NITER_NSUB_3:%.*]], [[VECTOR_BODY]] ] 50; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDEX]] 51; CHECK-NEXT: [[TMP9:%.*]] = bitcast double* [[TMP8]] to <4 x double>* 52; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x double>, <4 x double>* [[TMP9]], align 8, [[TBAA3:!tbaa !.*]], !alias.scope !7 53; CHECK-NEXT: [[TMP10:%.*]] = fmul fast <4 x double> [[WIDE_LOAD]], [[TMP4]] 54; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDEX]] 55; CHECK-NEXT: [[TMP12:%.*]] = bitcast double* [[TMP11]] to <4 x double>* 56; CHECK-NEXT: store <4 x double> [[TMP10]], <4 x double>* [[TMP12]], align 8, [[TBAA3]], !alias.scope !10, !noalias !7 57; CHECK-NEXT: [[INDEX_NEXT:%.*]] = or i64 [[INDEX]], 4 58; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDEX_NEXT]] 59; CHECK-NEXT: [[TMP14:%.*]] = bitcast double* [[TMP13]] to <4 x double>* 60; CHECK-NEXT: [[WIDE_LOAD_1:%.*]] = load <4 x double>, <4 x double>* [[TMP14]], align 8, [[TBAA3]], !alias.scope !7 61; CHECK-NEXT: [[TMP15:%.*]] = fmul fast <4 x double> [[WIDE_LOAD_1]], [[TMP5]] 62; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDEX_NEXT]] 63; CHECK-NEXT: [[TMP17:%.*]] = bitcast double* [[TMP16]] to <4 x double>* 64; CHECK-NEXT: store <4 x double> [[TMP15]], <4 x double>* [[TMP17]], align 8, [[TBAA3]], !alias.scope !10, !noalias !7 65; CHECK-NEXT: [[INDEX_NEXT_1:%.*]] = or i64 [[INDEX]], 8 66; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDEX_NEXT_1]] 67; CHECK-NEXT: [[TMP19:%.*]] = bitcast double* [[TMP18]] to <4 x double>* 68; CHECK-NEXT: [[WIDE_LOAD_2:%.*]] = load <4 x double>, <4 x double>* [[TMP19]], align 8, [[TBAA3]], !alias.scope !7 69; CHECK-NEXT: [[TMP20:%.*]] = fmul fast <4 x double> [[WIDE_LOAD_2]], [[TMP6]] 70; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDEX_NEXT_1]] 71; CHECK-NEXT: [[TMP22:%.*]] = bitcast double* [[TMP21]] to <4 x double>* 72; CHECK-NEXT: store <4 x double> [[TMP20]], <4 x double>* [[TMP22]], align 8, [[TBAA3]], !alias.scope !10, !noalias !7 73; CHECK-NEXT: [[INDEX_NEXT_2:%.*]] = or i64 [[INDEX]], 12 74; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDEX_NEXT_2]] 75; CHECK-NEXT: [[TMP24:%.*]] = bitcast double* [[TMP23]] to <4 x double>* 76; CHECK-NEXT: [[WIDE_LOAD_3:%.*]] = load <4 x double>, <4 x double>* [[TMP24]], align 8, [[TBAA3]], !alias.scope !7 77; CHECK-NEXT: [[TMP25:%.*]] = fmul fast <4 x double> [[WIDE_LOAD_3]], [[TMP7]] 78; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDEX_NEXT_2]] 79; CHECK-NEXT: [[TMP27:%.*]] = bitcast double* [[TMP26]] to <4 x double>* 80; CHECK-NEXT: store <4 x double> [[TMP25]], <4 x double>* [[TMP27]], align 8, [[TBAA3]], !alias.scope !10, !noalias !7 81; CHECK-NEXT: [[INDEX_NEXT_3]] = add i64 [[INDEX]], 16 82; CHECK-NEXT: [[NITER_NSUB_3]] = add i64 [[NITER]], -4 83; CHECK-NEXT: [[NITER_NCMP_3:%.*]] = icmp eq i64 [[NITER_NSUB_3]], 0 84; CHECK-NEXT: br i1 [[NITER_NCMP_3]], label [[MIDDLE_BLOCK_UNR_LCSSA]], label [[VECTOR_BODY]], [[LOOP12:!llvm.loop !.*]] 85; CHECK: middle.block.unr-lcssa: 86; CHECK-NEXT: [[INDEX_UNR:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT_3]], [[VECTOR_BODY]] ] 87; CHECK-NEXT: [[LCMP_MOD_NOT:%.*]] = icmp eq i64 [[XTRAITER]], 0 88; CHECK-NEXT: br i1 [[LCMP_MOD_NOT]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY_EPIL_PREHEADER:%.*]] 89; CHECK: vector.body.epil.preheader: 90; CHECK-NEXT: [[TMP28:%.*]] = fdiv fast <4 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>, [[BROADCAST_SPLAT]] 91; CHECK-NEXT: br label [[VECTOR_BODY_EPIL:%.*]] 92; CHECK: vector.body.epil: 93; CHECK-NEXT: [[INDEX_EPIL:%.*]] = phi i64 [ [[INDEX_UNR]], [[VECTOR_BODY_EPIL_PREHEADER]] ], [ [[INDEX_NEXT_EPIL:%.*]], [[VECTOR_BODY_EPIL]] ] 94; CHECK-NEXT: [[EPIL_ITER:%.*]] = phi i64 [ [[XTRAITER]], [[VECTOR_BODY_EPIL_PREHEADER]] ], [ [[EPIL_ITER_SUB:%.*]], [[VECTOR_BODY_EPIL]] ] 95; CHECK-NEXT: [[TMP29:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDEX_EPIL]] 96; CHECK-NEXT: [[TMP30:%.*]] = bitcast double* [[TMP29]] to <4 x double>* 97; CHECK-NEXT: [[WIDE_LOAD_EPIL:%.*]] = load <4 x double>, <4 x double>* [[TMP30]], align 8, [[TBAA3]], !alias.scope !7 98; CHECK-NEXT: [[TMP31:%.*]] = fmul fast <4 x double> [[WIDE_LOAD_EPIL]], [[TMP28]] 99; CHECK-NEXT: [[TMP32:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDEX_EPIL]] 100; CHECK-NEXT: [[TMP33:%.*]] = bitcast double* [[TMP32]] to <4 x double>* 101; CHECK-NEXT: store <4 x double> [[TMP31]], <4 x double>* [[TMP33]], align 8, [[TBAA3]], !alias.scope !10, !noalias !7 102; CHECK-NEXT: [[INDEX_NEXT_EPIL]] = add i64 [[INDEX_EPIL]], 4 103; CHECK-NEXT: [[EPIL_ITER_SUB]] = add i64 [[EPIL_ITER]], -1 104; CHECK-NEXT: [[EPIL_ITER_CMP_NOT:%.*]] = icmp eq i64 [[EPIL_ITER_SUB]], 0 105; CHECK-NEXT: br i1 [[EPIL_ITER_CMP_NOT]], label [[MIDDLE_BLOCK]], label [[VECTOR_BODY_EPIL]], [[LOOP14:!llvm.loop !.*]] 106; CHECK: middle.block: 107; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[WIDE_TRIP_COUNT]] 108; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY_PREHEADER]] 109; CHECK: for.body.preheader: 110; CHECK-NEXT: [[INDVARS_IV_PH:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[FOR_BODY_LR_PH]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ] 111; CHECK-NEXT: [[TMP34:%.*]] = xor i64 [[INDVARS_IV_PH]], -1 112; CHECK-NEXT: [[TMP35:%.*]] = add nsw i64 [[TMP34]], [[WIDE_TRIP_COUNT]] 113; CHECK-NEXT: [[XTRAITER8:%.*]] = and i64 [[WIDE_TRIP_COUNT]], 3 114; CHECK-NEXT: [[LCMP_MOD9_NOT:%.*]] = icmp eq i64 [[XTRAITER8]], 0 115; CHECK-NEXT: br i1 [[LCMP_MOD9_NOT]], label [[FOR_BODY_PROL_LOOPEXIT:%.*]], label [[FOR_BODY_PROL_PREHEADER:%.*]] 116; CHECK: for.body.prol.preheader: 117; CHECK-NEXT: [[TMP36:%.*]] = fdiv fast double 1.000000e+00, [[A]] 118; CHECK-NEXT: br label [[FOR_BODY_PROL:%.*]] 119; CHECK: for.body.prol: 120; CHECK-NEXT: [[INDVARS_IV_PROL:%.*]] = phi i64 [ [[INDVARS_IV_NEXT_PROL:%.*]], [[FOR_BODY_PROL]] ], [ [[INDVARS_IV_PH]], [[FOR_BODY_PROL_PREHEADER]] ] 121; CHECK-NEXT: [[PROL_ITER:%.*]] = phi i64 [ [[PROL_ITER_SUB:%.*]], [[FOR_BODY_PROL]] ], [ [[XTRAITER8]], [[FOR_BODY_PROL_PREHEADER]] ] 122; CHECK-NEXT: [[ARRAYIDX_PROL:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDVARS_IV_PROL]] 123; CHECK-NEXT: [[T0_PROL:%.*]] = load double, double* [[ARRAYIDX_PROL]], align 8, [[TBAA3]] 124; CHECK-NEXT: [[TMP37:%.*]] = fmul fast double [[T0_PROL]], [[TMP36]] 125; CHECK-NEXT: [[ARRAYIDX2_PROL:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDVARS_IV_PROL]] 126; CHECK-NEXT: store double [[TMP37]], double* [[ARRAYIDX2_PROL]], align 8, [[TBAA3]] 127; CHECK-NEXT: [[INDVARS_IV_NEXT_PROL]] = add nuw nsw i64 [[INDVARS_IV_PROL]], 1 128; CHECK-NEXT: [[PROL_ITER_SUB]] = add i64 [[PROL_ITER]], -1 129; CHECK-NEXT: [[PROL_ITER_CMP_NOT:%.*]] = icmp eq i64 [[PROL_ITER_SUB]], 0 130; CHECK-NEXT: br i1 [[PROL_ITER_CMP_NOT]], label [[FOR_BODY_PROL_LOOPEXIT]], label [[FOR_BODY_PROL]], [[LOOP16:!llvm.loop !.*]] 131; CHECK: for.body.prol.loopexit: 132; CHECK-NEXT: [[INDVARS_IV_UNR:%.*]] = phi i64 [ [[INDVARS_IV_PH]], [[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT_PROL]], [[FOR_BODY_PROL]] ] 133; CHECK-NEXT: [[TMP38:%.*]] = icmp ult i64 [[TMP35]], 3 134; CHECK-NEXT: br i1 [[TMP38]], label [[FOR_END]], label [[FOR_BODY_PREHEADER_NEW:%.*]] 135; CHECK: for.body.preheader.new: 136; CHECK-NEXT: [[TMP39:%.*]] = fdiv fast double 1.000000e+00, [[A]] 137; CHECK-NEXT: [[TMP40:%.*]] = fdiv fast double 1.000000e+00, [[A]] 138; CHECK-NEXT: [[TMP41:%.*]] = fdiv fast double 1.000000e+00, [[A]] 139; CHECK-NEXT: [[TMP42:%.*]] = fdiv fast double 1.000000e+00, [[A]] 140; CHECK-NEXT: br label [[FOR_BODY:%.*]] 141; CHECK: for.body: 142; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_UNR]], [[FOR_BODY_PREHEADER_NEW]] ], [ [[INDVARS_IV_NEXT_3:%.*]], [[FOR_BODY]] ] 143; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDVARS_IV]] 144; CHECK-NEXT: [[T0:%.*]] = load double, double* [[ARRAYIDX]], align 8, [[TBAA3]] 145; CHECK-NEXT: [[TMP43:%.*]] = fmul fast double [[T0]], [[TMP39]] 146; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDVARS_IV]] 147; CHECK-NEXT: store double [[TMP43]], double* [[ARRAYIDX2]], align 8, [[TBAA3]] 148; CHECK-NEXT: [[INDVARS_IV_NEXT:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 1 149; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDVARS_IV_NEXT]] 150; CHECK-NEXT: [[T0_1:%.*]] = load double, double* [[ARRAYIDX_1]], align 8, [[TBAA3]] 151; CHECK-NEXT: [[TMP44:%.*]] = fmul fast double [[T0_1]], [[TMP40]] 152; CHECK-NEXT: [[ARRAYIDX2_1:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDVARS_IV_NEXT]] 153; CHECK-NEXT: store double [[TMP44]], double* [[ARRAYIDX2_1]], align 8, [[TBAA3]] 154; CHECK-NEXT: [[INDVARS_IV_NEXT_1:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 2 155; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDVARS_IV_NEXT_1]] 156; CHECK-NEXT: [[T0_2:%.*]] = load double, double* [[ARRAYIDX_2]], align 8, [[TBAA3]] 157; CHECK-NEXT: [[TMP45:%.*]] = fmul fast double [[T0_2]], [[TMP41]] 158; CHECK-NEXT: [[ARRAYIDX2_2:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDVARS_IV_NEXT_1]] 159; CHECK-NEXT: store double [[TMP45]], double* [[ARRAYIDX2_2]], align 8, [[TBAA3]] 160; CHECK-NEXT: [[INDVARS_IV_NEXT_2:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 3 161; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds double, double* [[Y]], i64 [[INDVARS_IV_NEXT_2]] 162; CHECK-NEXT: [[T0_3:%.*]] = load double, double* [[ARRAYIDX_3]], align 8, [[TBAA3]] 163; CHECK-NEXT: [[TMP46:%.*]] = fmul fast double [[T0_3]], [[TMP42]] 164; CHECK-NEXT: [[ARRAYIDX2_3:%.*]] = getelementptr inbounds double, double* [[X]], i64 [[INDVARS_IV_NEXT_2]] 165; CHECK-NEXT: store double [[TMP46]], double* [[ARRAYIDX2_3]], align 8, [[TBAA3]] 166; CHECK-NEXT: [[INDVARS_IV_NEXT_3]] = add nuw nsw i64 [[INDVARS_IV]], 4 167; CHECK-NEXT: [[EXITCOND_NOT_3:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT_3]], [[WIDE_TRIP_COUNT]] 168; CHECK-NEXT: br i1 [[EXITCOND_NOT_3]], label [[FOR_END]], label [[FOR_BODY]], [[LOOP17:!llvm.loop !.*]] 169; CHECK: for.end: 170; CHECK-NEXT: ret void 171; 172entry: 173 %div = fdiv fast double 1.0, %a 174 br label %for.cond 175 176for.cond: 177 %n.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] 178 %cmp = icmp slt i32 %n.0, %N 179 br i1 %cmp, label %for.body, label %for.cond.cleanup 180 181for.cond.cleanup: 182 br label %for.end 183 184for.body: 185 %idxprom = sext i32 %n.0 to i64 186 %arrayidx = getelementptr inbounds double, double* %y, i64 %idxprom 187 %t0 = load double, double* %arrayidx, align 8, !tbaa !3 188 %mul = fmul fast double %t0, %div 189 %idxprom1 = sext i32 %n.0 to i64 190 %arrayidx2 = getelementptr inbounds double, double* %x, i64 %idxprom1 191 store double %mul, double* %arrayidx2, align 8, !tbaa !3 192 br label %for.inc 193 194for.inc: 195 %inc = add nsw i32 %n.0, 1 196 br label %for.cond 197 198for.end: 199 ret void 200} 201 202attributes #0 = { nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "unsafe-fp-math"="true" "use-soft-float"="false" } 203 204!llvm.module.flags = !{!0, !1} 205!llvm.ident = !{!2} 206 207!0 = !{i32 1, !"wchar_size", i32 4} 208!1 = !{i32 7, !"PIC Level", i32 2} 209!2 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 45ebe38ffc40bb7221fc587bfb4481cf7f53ebbc)"} 210!3 = !{!4, !4, i64 0} 211!4 = !{!"double", !5, i64 0} 212!5 = !{!"omnipotent char", !6, i64 0} 213!6 = !{!"Simple C/C++ TBAA"} 214 215