1 ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s 2 3 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" 4 target triple = "x86_64-apple-macosx10.8.0" 5 6 ;CHECK-LABEL: @flags1( 7 ;CHECK: load <4 x i32> 8 ;CHECK: mul nsw <4 x i32> 9 ;CHECK: store <4 x i32> 10 ;CHECK: ret i32 11 define i32 @flags1(i32 %n, i32* nocapture %A) nounwind uwtable ssp { 12 %1 = icmp sgt i32 %n, 9 13 br i1 %1, label %.lr.ph, label %._crit_edge 14 15 .lr.ph: ; preds = %0, %.lr.ph 16 %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 9, %0 ] 17 %2 = getelementptr inbounds i32* %A, i64 %indvars.iv 18 %3 = load i32* %2, align 4 19 %4 = mul nsw i32 %3, 3 20 store i32 %4, i32* %2, align 4 21 %indvars.iv.next = add i64 %indvars.iv, 1 22 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 23 %exitcond = icmp eq i32 %lftr.wideiv, %n 24 br i1 %exitcond, label %._crit_edge, label %.lr.ph 25 26 ._crit_edge: ; preds = %.lr.ph, %0 27 ret i32 undef 28 } 29 30 31 ;CHECK-LABEL: @flags2( 32 ;CHECK: load <4 x i32> 33 ;CHECK: mul <4 x i32> 34 ;CHECK: store <4 x i32> 35 ;CHECK: ret i32 36 define i32 @flags2(i32 %n, i32* nocapture %A) nounwind uwtable ssp { 37 %1 = icmp sgt i32 %n, 9 38 br i1 %1, label %.lr.ph, label %._crit_edge 39 40 .lr.ph: ; preds = %0, %.lr.ph 41 %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 9, %0 ] 42 %2 = getelementptr inbounds i32* %A, i64 %indvars.iv 43 %3 = load i32* %2, align 4 44 %4 = mul i32 %3, 3 45 store i32 %4, i32* %2, align 4 46 %indvars.iv.next = add i64 %indvars.iv, 1 47 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 48 %exitcond = icmp eq i32 %lftr.wideiv, %n 49 br i1 %exitcond, label %._crit_edge, label %.lr.ph 50 51 ._crit_edge: ; preds = %.lr.ph, %0 52 ret i32 undef 53 } 54
