| Sanjay Patel | b653de1 | 2014-09-10 17:58:16 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -O3 -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck --check-prefix=LOOPVEC %s |
| 2 | ; RUN: opt -S -O3 -disable-loop-vectorization -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck --check-prefix=NOLOOPVEC %s |
| Arnold Schwaighofer | 46db725 | 2013-12-03 16:33:06 +0000 | [diff] [blame] | 3 | |
| 4 | 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" |
| Arnold Schwaighofer | 46db725 | 2013-12-03 16:33:06 +0000 | [diff] [blame] | 5 | |
| 6 | ; Make sure we can disable vectorization in opt. |
| 7 | |
| 8 | ; LOOPVEC: add <2 x i32> |
| 9 | ; NOLOOPVEC-NOT: add <2 x i32> |
| 10 | |
| 11 | define i32 @vect(i32* %a) { |
| 12 | entry: |
| 13 | br label %for.body |
| 14 | |
| 15 | for.body: |
| 16 | %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| 17 | %red.05 = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 18 | %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 19 | %0 = load i32, i32* %arrayidx, align 4 |
| Arnold Schwaighofer | 46db725 | 2013-12-03 16:33:06 +0000 | [diff] [blame] | 20 | %add = add nsw i32 %0, %red.05 |
| 21 | %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| 22 | %exitcond = icmp eq i64 %indvars.iv.next, 255 |
| 23 | br i1 %exitcond, label %for.end, label %for.body |
| 24 | |
| 25 | for.end: |
| 26 | ret i32 %add |
| 27 | } |