; RUN: opt -S -passes=loop-vectorize,instcombine -force-vector-width=4 < %s | FileCheck %s target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" ; Vectorization of loop with bitcast between GEP and load ; Simplified source code: ;void foo (ptr __restrict__ in, bool * __restrict__ res) { ; ; for (int i = 0; i < 4096; ++i) ; res[i] = ((unsigned long long)in[i] == 0); ;} ; CHECK-LABEL: @foo ; CHECK: vector.body ; CHECK: %[[IV:.+]] = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] ; CHECK: %[[v0:.+]] = getelementptr inbounds ptr, ptr %in, i64 %[[IV]] ; CHECK: %wide.load = load <4 x i64>, ptr %[[v0]], align 8 ; CHECK: icmp eq <4 x i64> %wide.load, zeroinitializer ; CHECK: br i1 define void @foo(ptr noalias nocapture readonly %in, ptr noalias nocapture readnone %out, ptr noalias nocapture %res) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %arrayidx = getelementptr inbounds ptr, ptr %in, i64 %indvars.iv %tmp54 = load i64, ptr %arrayidx, align 8 %cmp1 = icmp eq i64 %tmp54, 0 %arrayidx3 = getelementptr inbounds i8, ptr %res, i64 %indvars.iv %frombool = zext i1 %cmp1 to i8 store i8 %frombool, ptr %arrayidx3, align 1 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 4096 br i1 %exitcond, label %for.end, label %for.body for.end: ret void }