1; RUN: opt -slp-vectorizer -S %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-n32:64-S128"
4target triple = "x86_64-apple-macosx"
5
6; This test used to fail under libgmalloc. Because we would try to access a
7; pointer that was already deleted.
8;
9; llvm-lit -v --param use_gmalloc=1 --param
10;   gmalloc_path=/usr/lib/libgmalloc.dylib
11;   test/Transforms/LoopVectorize/X86/rauw-bug.ll
12;
13; radar://15498655
14
15; CHECK: reduced
16define void @reduced()  {
17entry:
18  br i1 undef, label %while.body, label %while.cond63.preheader.while.end76_crit_edge
19
20while.cond63.preheader.while.end76_crit_edge:
21  ret void
22
23while.body:
24  %d2_fx.015 = phi double [ %sub52, %while.body ], [ undef, %entry ]
25  %d2_fy.014 = phi double [ %sub58, %while.body ], [ undef, %entry ]
26  %d3_fy.013 = phi double [ %div56, %while.body ], [ undef, %entry ]
27  %d3_fx.012 = phi double [ %div50, %while.body ], [ undef, %entry ]
28  %div50 = fmul double %d3_fx.012, 1.250000e-01
29  %sub52 = fsub double 0.000000e+00, %div50
30  %div56 = fmul double %d3_fy.013, 1.250000e-01
31  %sub58 = fsub double 0.000000e+00, %div56
32  br label %while.body
33}
34