; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -debug-only=loop-vectorize -S 2>&1 | FileCheck %s ; REQUIRES: asserts target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; CHECK-LABEL: test ; CHECK-DAG: LV: Found uniform instruction: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] ; CHECK-DAG: LV: Found uniform instruction: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 ; CHECK-DAG: LV: Found uniform instruction: %exitcond = icmp eq i64 %indvars.iv, 1599 define void @test(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 { entry: br label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv %tmp0 = load float, float* %arrayidx, align 4 %add = fadd float %tmp0, 1.000000e+00 %arrayidx5 = getelementptr inbounds float, float* %a, i64 %indvars.iv store float %add, float* %arrayidx5, align 4 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv, 1599 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body ret void } ; CHECK-LABEL: foo ; CHECK-DAG: LV: Found uniform instruction: %cond = icmp eq i64 %i.next, %n ; CHECK-DAG: LV: Found uniform instruction: %tmp1 = getelementptr inbounds i32, i32* %a, i32 %tmp0 ; CHECK-NOT: LV: Found uniform instruction: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ] define void @foo(i32* %a, i64 %n) { entry: br label %for.body for.body: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ] %tmp0 = trunc i64 %i to i32 %tmp1 = getelementptr inbounds i32, i32* %a, i32 %tmp0 store i32 %tmp0, i32* %tmp1, align 4 %i.next = add nuw nsw i64 %i, 1 %cond = icmp eq i64 %i.next, %n br i1 %cond, label %for.end, label %for.body for.end: ret void }