brintos

brintos / llvm-project-archived public Read only

0
0
Text · 1.1 KiB · f7d77ba Raw
27 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt %s -passes=loop-vectorize -debug-only=loop-vectorize -S 2>&1 | FileCheck %s3; REQUIRES: asserts4 5target 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"6target triple = "x86_64-apple-macosx10.8.0"7 8; CHECK: Found an estimated cost of 1 for VF 1 For instruction:   %neg = fneg float %{{.*}}9; CHECK: Cost of 1 for VF 2: WIDEN ir<%neg> = fneg ir<%0>10; CHECK: Cost of 1 for VF 4: WIDEN ir<%neg> = fneg ir<%0>11define void @fneg_cost(ptr %a, i64 %n) {12entry:13  br label %for.body14for.body:                                         ; preds = %for.body.preheader, %for.body15  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]16  %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv17  %0 = load float, ptr %arrayidx, align 418  %neg = fneg float %019  store float %neg, ptr %arrayidx, align 420  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 121  %cmp = icmp eq i64 %indvars.iv.next, %n22  br i1 %cmp, label %for.end, label %for.body23 24for.end:25  ret void26}27