| ; RUN: opt < %s -loop-vectorize -S | FileCheck %s |
| |
| ; CHECK: vector.body: |
| ; CHECK: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NEXT: fadd |
| ; CHECK-NOT: fadd |
| ; CHECK: middle.block |
| |
| target datalayout = "e-m:e-i64:64-n32:64" |
| target triple = "powerpc64le-ibm-linux-gnu" |
| |
| define void @test(double* nocapture readonly %arr, i32 signext %len) #0 { |
| entry: |
| %cmp4 = icmp sgt i32 %len, 0 |
| br i1 %cmp4, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| %0 = add i32 %len, -1 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.lr.ph |
| %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] |
| %redx.05 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds double, double* %arr, i64 %indvars.iv |
| %1 = load double, double* %arrayidx, align 8 |
| %add = fadd fast double %1, %redx.05 |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %0 |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| %add.lcssa = phi double [ %add, %for.body ] |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| %redx.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add.lcssa, %for.end.loopexit ] |
| ret void |
| } |