1; RUN: opt -S -aa-pipeline= -passes=loop-vectorize -mcpu=prescott < %s | FileCheck %s 2 3target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128" 4target triple = "i386-apple-darwin" 5 6; PR15344 7define void @test1(ptr nocapture %arg, i32 %arg1, i1 %arg2) nounwind { 8; CHECK-LABEL: @test1( 9; CHECK: preheader 10; CHECK: insertelement <2 x double> zeroinitializer, double %tmp, i32 0 11; CHECK: vector.memcheck 12 13bb: 14 br label %bb2 15 16bb2: ; preds = %bb 17 %tmp = load double, ptr null, align 8 18 br i1 %arg2, label %bb3, label %bb12 19 20bb3: ; preds = %bb3, %bb2 21 %tmp4 = phi double [ %tmp9, %bb3 ], [ %tmp, %bb2 ] 22 %tmp5 = phi i32 [ %tmp8, %bb3 ], [ 0, %bb2 ] 23 %tmp6 = getelementptr inbounds [16 x double], ptr undef, i32 0, i32 %tmp5 24 %tmp7 = load double, ptr %tmp6, align 4 25 %tmp8 = add nsw i32 %tmp5, 1 26 %tmp9 = fadd fast double %tmp4, undef 27 %tmp10 = getelementptr inbounds float, ptr %arg, i32 %tmp5 28 store float undef, ptr %tmp10, align 4 29 %tmp11 = icmp eq i32 %tmp8, %arg1 30 br i1 %tmp11, label %bb12, label %bb3 31 32bb12: ; preds = %bb3, %bb2 33 %tmp13 = phi double [ %tmp, %bb2 ], [ %tmp9, %bb3 ] 34 ret void 35} 36