; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -instcombine -S | FileCheck %s 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-apple-macosx10.9.0" %struct.coordinate = type { i32, i32 } ; Make sure that we don't generate a wide load when accessing the struct. ; struct coordinate { ; int x; ; int y; ; }; ; ; ; int foo(struct coordinate *A, int n) { ; ; int sum = 0; ; for (int i = 0; i < n; ++i) ; sum += A[i].x; ; ; return sum; ; } ;CHECK-LABEL: @foo( ;CHECK-NOT: load <4 x i32> ;CHECK: ret define i32 @foo(%struct.coordinate* nocapture %A, i32 %n) nounwind uwtable readonly ssp { entry: %cmp4 = icmp sgt i32 %n, 0 br i1 %cmp4, label %for.body, label %for.end for.body: ; preds = %entry, %for.body %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %sum.05 = phi i32 [ %add, %for.body ], [ 0, %entry ] %x = getelementptr inbounds %struct.coordinate* %A, i64 %indvars.iv, i32 0 %0 = load i32* %x, align 4 %add = add nsw i32 %0, %sum.05 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, %n br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] ret i32 %sum.0.lcssa }