| Michael Kuperstein | e3036ab | 2016-12-05 20:57:37 +0000 | [diff] [blame] | 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 | |