diff options
Diffstat (limited to 'test/Transforms/BBVectorize/loop1.ll')
| -rw-r--r-- | test/Transforms/BBVectorize/loop1.ll | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/Transforms/BBVectorize/loop1.ll b/test/Transforms/BBVectorize/loop1.ll new file mode 100644 index 0000000000..bebc91ad91 --- /dev/null +++ b/test/Transforms/BBVectorize/loop1.ll @@ -0,0 +1,93 @@ +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" +; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s +; RUN: opt < %s -basicaa -loop-unroll -unroll-threshold=45 -unroll-allow-partial -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s -check-prefix=CHECK-UNRL +; The second check covers the use of alias analysis (with loop unrolling). + +define void @test1(double* noalias %out, double* noalias %in1, double* noalias %in2) nounwind uwtable { +entry: + br label %for.body +; CHECK: @test1 +; CHECK-UNRL: @test1 + +for.body: ; preds = %for.body, %entry + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds double* %in1, i64 %indvars.iv + %0 = load double* %arrayidx, align 8 + %arrayidx2 = getelementptr inbounds double* %in2, i64 %indvars.iv + %1 = load double* %arrayidx2, align 8 + %mul = fmul double %0, %0 + %mul3 = fmul double %0, %1 + %add = fadd double %mul, %mul3 + %add4 = fadd double %1, %1 + %add5 = fadd double %add4, %0 + %mul6 = fmul double %0, %add5 + %add7 = fadd double %add, %mul6 + %mul8 = fmul double %1, %1 + %add9 = fadd double %0, %0 + %add10 = fadd double %add9, %0 + %mul11 = fmul double %mul8, %add10 + %add12 = fadd double %add7, %mul11 + %arrayidx14 = getelementptr inbounds double* %out, i64 %indvars.iv + store double %add12, double* %arrayidx14, align 8 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 10 + br i1 %exitcond, label %for.end, label %for.body +; CHECK: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] +; CHECK: %arrayidx = getelementptr inbounds double* %in1, i64 %indvars.iv +; CHECK: %0 = load double* %arrayidx, align 8 +; CHECK: %arrayidx2 = getelementptr inbounds double* %in2, i64 %indvars.iv +; CHECK: %1 = load double* %arrayidx2, align 8 +; CHECK: %mul = fmul double %0, %0 +; CHECK: %mul3 = fmul double %0, %1 +; CHECK: %add = fadd double %mul, %mul3 +; CHECK: %add4.v.i1.1 = insertelement <2 x double> undef, double %1, i32 0 +; CHECK: %mul8 = fmul double %1, %1 +; CHECK: %add4.v.i1.2 = insertelement <2 x double> %add4.v.i1.1, double %0, i32 1 +; CHECK: %add4 = fadd <2 x double> %add4.v.i1.2, %add4.v.i1.2 +; CHECK: %add5.v.i1.1 = insertelement <2 x double> undef, double %0, i32 0 +; CHECK: %add5.v.i1.2 = insertelement <2 x double> %add5.v.i1.1, double %0, i32 1 +; CHECK: %add5 = fadd <2 x double> %add4, %add5.v.i1.2 +; CHECK: %mul6.v.i0.2 = insertelement <2 x double> %add5.v.i1.1, double %mul8, i32 1 +; CHECK: %mul6 = fmul <2 x double> %mul6.v.i0.2, %add5 +; CHECK: %mul6.v.r1 = extractelement <2 x double> %mul6, i32 0 +; CHECK: %mul6.v.r2 = extractelement <2 x double> %mul6, i32 1 +; CHECK: %add7 = fadd double %add, %mul6.v.r1 +; CHECK: %add12 = fadd double %add7, %mul6.v.r2 +; CHECK: %arrayidx14 = getelementptr inbounds double* %out, i64 %indvars.iv +; CHECK: store double %add12, double* %arrayidx14, align 8 +; CHECK: %indvars.iv.next = add i64 %indvars.iv, 1 +; CHECK: %lftr.wideiv = trunc i64 %indvars.iv.next to i32 +; CHECK: %exitcond = icmp eq i32 %lftr.wideiv, 10 +; CHECK: br i1 %exitcond, label %for.end, label %for.body +; CHECK-UNRL: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next.1, %for.body ] +; CHECK-UNRL: %arrayidx = getelementptr inbounds double* %in1, i64 %indvars.iv +; CHECK-UNRL: %0 = bitcast double* %arrayidx to <2 x double>* +; CHECK-UNRL: %arrayidx2 = getelementptr inbounds double* %in2, i64 %indvars.iv +; CHECK-UNRL: %1 = bitcast double* %arrayidx2 to <2 x double>* +; CHECK-UNRL: %arrayidx14 = getelementptr inbounds double* %out, i64 %indvars.iv +; CHECK-UNRL: %2 = load <2 x double>* %0, align 8 +; CHECK-UNRL: %3 = load <2 x double>* %1, align 8 +; CHECK-UNRL: %mul = fmul <2 x double> %2, %2 +; CHECK-UNRL: %mul3 = fmul <2 x double> %2, %3 +; CHECK-UNRL: %add = fadd <2 x double> %mul, %mul3 +; CHECK-UNRL: %add4 = fadd <2 x double> %3, %3 +; CHECK-UNRL: %add5 = fadd <2 x double> %add4, %2 +; CHECK-UNRL: %mul6 = fmul <2 x double> %2, %add5 +; CHECK-UNRL: %add7 = fadd <2 x double> %add, %mul6 +; CHECK-UNRL: %mul8 = fmul <2 x double> %3, %3 +; CHECK-UNRL: %add9 = fadd <2 x double> %2, %2 +; CHECK-UNRL: %add10 = fadd <2 x double> %add9, %2 +; CHECK-UNRL: %mul11 = fmul <2 x double> %mul8, %add10 +; CHECK-UNRL: %add12 = fadd <2 x double> %add7, %mul11 +; CHECK-UNRL: %4 = bitcast double* %arrayidx14 to <2 x double>* +; CHECK-UNRL: store <2 x double> %add12, <2 x double>* %4, align 8 +; CHECK-UNRL: %indvars.iv.next.1 = add i64 %indvars.iv, 2 +; CHECK-UNRL: %lftr.wideiv.1 = trunc i64 %indvars.iv.next.1 to i32 +; CHECK-UNRL: %exitcond.1 = icmp eq i32 %lftr.wideiv.1, 10 +; CHECK-UNRL: br i1 %exitcond.1, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret void +} |