1 ; RUN: opt %loadPolly %defaultOpts -polly-codegen -enable-polly-vector -dce -S %s | FileCheck %s
2 ; Obtained from C source as:
3 ; clang -S -emit-llvm -O0 pr37027.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer pr37027.s > pr37027.ll
6 ; ModuleID = 'pr37027.s'
7 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"
8 target triple = "x86_64-unknown-linux-gnu"
10 %struct.mystr = type { i32, i32 }
12 @a = common global [16 x %struct.mystr] zeroinitializer, align 16
13 @b = common global [16 x %struct.mystr] zeroinitializer, align 16
14 @res1 = common global i32 0, align 4
15 @res2 = common global i32 0, align 4
17 define void @foo() nounwind uwtable {
21 for.cond: ; preds = %for.inc, %entry
22 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
23 %sum2.0 = phi i32 [ undef, %entry ], [ %add21, %for.inc ]
24 %sum1.0 = phi i32 [ undef, %entry ], [ %add9, %for.inc ]
25 %f217 = getelementptr [16 x %struct.mystr]* @b, i64 0, i64 %indvar, i32 1
26 %f2 = getelementptr [16 x %struct.mystr]* @a, i64 0, i64 %indvar, i32 1
27 %scevgep = getelementptr [16 x %struct.mystr]* @b, i64 0, i64 %indvar
28 %f16 = bitcast %struct.mystr* %scevgep to i32*
29 %scevgep2 = getelementptr [16 x %struct.mystr]* @a, i64 0, i64 %indvar
30 %f1 = bitcast %struct.mystr* %scevgep2 to i32*
31 %exitcond = icmp ne i64 %indvar, 16
32 br i1 %exitcond, label %for.body, label %for.end
34 for.body: ; preds = %for.cond
37 for.inc: ; preds = %for.body
38 %tmp18 = load i32* %f217, align 4
39 %tmp13 = load i32* %f2, align 4
40 %tmp7 = load i32* %f16, align 8
41 %tmp2 = load i32* %f1, align 8
42 %add19 = add nsw i32 %tmp13, %tmp18
43 %add = add nsw i32 %tmp2, %tmp7
44 %add21 = add nsw i32 %sum2.0, %add19
45 %add9 = add nsw i32 %sum1.0, %add
46 %indvar.next = add i64 %indvar, 1
49 for.end: ; preds = %for.cond
50 %sum1.0.lcssa = phi i32 [ %sum1.0, %for.cond ]
51 %sum2.0.lcssa = phi i32 [ %sum2.0, %for.cond ]
52 store i32 %sum1.0.lcssa, i32* @res1, align 4
53 store i32 %sum2.0.lcssa, i32* @res2, align 4