| Nadav Rotem | 30a65bc | 2013-01-09 01:20:59 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s |
| Nadav Rotem | 4cb8cda | 2012-10-31 21:40:39 +0000 | [diff] [blame] | 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: @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: @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 | } |