1 ; RUN: llc -mtriple=x86_64-pc-linux-gnu -mattr=+sse4.2 < %s | FileCheck %s 2 3 ; CHECK-LABEL: testss: 4 ; CHECK: movss {{.*}}, %[[XMM0:xmm[0-9]+]] 5 ; CHECK: xorps %[[XMM1:xmm[0-9]+]], %[[XMM1]] 6 ; CHECK: roundss $9, %[[XMM0]], %[[XMM1]] 7 8 define void @testss(float* nocapture %a, <4 x float>* nocapture %b, i32 %k) { 9 entry: 10 br label %for.body 11 12 for.body: 13 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 14 %arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv 15 %v = load float, float* %arrayidx, align 4 16 %floor = call float @floorf(float %v) 17 %sub = fsub float %floor, %v 18 %v1 = insertelement <4 x float> undef, float %sub, i32 0 19 %br = shufflevector <4 x float> %v1, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 0, i32 0> 20 store volatile <4 x float> %br, <4 x float>* %b, align 4 21 %indvars.iv.next = add i64 %indvars.iv, 1 22 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 23 %exitcond = icmp eq i32 %lftr.wideiv, %k 24 br i1 %exitcond, label %for.end, label %for.body 25 26 for.end: 27 ret void 28 } 29 30 ; CHECK-LABEL: testsd: 31 ; CHECK: movsd {{.*}}, %[[XMM0:xmm[0-9]+]] 32 ; CHECK: xorps %[[XMM1:xmm[0-9]+]], %[[XMM1]] 33 ; CHECK: roundsd $9, %[[XMM0]], %[[XMM1]] 34 35 define void @testsd(double* nocapture %a, <2 x double>* nocapture %b, i32 %k) { 36 entry: 37 br label %for.body 38 39 for.body: 40 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 41 %arrayidx = getelementptr inbounds double, double* %a, i64 %indvars.iv 42 %v = load double, double* %arrayidx, align 4 43 %floor = call double @floor(double %v) 44 %sub = fsub double %floor, %v 45 %v1 = insertelement <2 x double> undef, double %sub, i32 0 46 %br = shufflevector <2 x double> %v1, <2 x double> undef, <2 x i32> <i32 0, i32 0> 47 store volatile <2 x double> %br, <2 x double>* %b, align 4 48 %indvars.iv.next = add i64 %indvars.iv, 1 49 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 50 %exitcond = icmp eq i32 %lftr.wideiv, %k 51 br i1 %exitcond, label %for.end, label %for.body 52 53 for.end: 54 ret void 55 } 56 57 declare float @floorf(float) nounwind readnone 58 59 declare double @floor(double) nounwind readnone 60 61
