1; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s 2 3target 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" 4target triple = "x86_64-apple-macosx10.8.0" 5 6; This test checks that we deal with an in-loop extractelement (for now, this 7; means not crashing by not vectorizing). 8; CHECK-LABEL: @_Z4foo1Pii( 9; CHECK-NOT: <4 x i32> 10; CHECK: ret 11define i32 @_Z4foo1Pii(i32* %A, i32 %n, <2 x i32> %q) #0 { 12entry: 13 %idx.ext = sext i32 %n to i64 14 %add.ptr = getelementptr inbounds i32, i32* %A, i64 %idx.ext 15 %cmp3.i = icmp eq i32 %n, 0 16 br i1 %cmp3.i, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %for.body.i 17 18for.body.i: ; preds = %entry, %for.body.i 19 %__init.addr.05.i = phi i32 [ %add.i, %for.body.i ], [ 0, %entry ] 20 %__first.addr.04.i = phi i32* [ %incdec.ptr.i, %for.body.i ], [ %A, %entry ] 21 %0 = load i32, i32* %__first.addr.04.i, align 4 22 %q1 = extractelement <2 x i32> %q, i32 %n 23 %q2 = add nsw i32 %0, %q1 24 %add.i = add nsw i32 %q2, %__init.addr.05.i 25 %incdec.ptr.i = getelementptr inbounds i32, i32* %__first.addr.04.i, i64 1 26 %cmp.i = icmp eq i32* %incdec.ptr.i, %add.ptr 27 br i1 %cmp.i, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %for.body.i 28 29_ZSt10accumulateIPiiET0_T_S2_S1_.exit: ; preds = %for.body.i, %entry 30 %__init.addr.0.lcssa.i = phi i32 [ 0, %entry ], [ %add.i, %for.body.i ] 31 ret i32 %__init.addr.0.lcssa.i 32} 33 34attributes #0 = { nounwind readonly ssp uwtable } 35 36