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 O3-pr45971.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer O3-pr45971.s > O3-pr45971.ll
6 ; ModuleID = 'O3-pr45971.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 define void @foo(i32* %x, i32* %y) nounwind uwtable {
14 for.cond: ; preds = %for.inc, %entry
15 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
16 %tmp5 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
17 %tmp = mul i64 %indvar, -1
18 %tmp1 = add i64 %tmp, -1
19 %sub = trunc i64 %tmp1 to i32
20 %arrayidx11 = getelementptr i32* %y, i64 %indvar
21 %arrayidx = getelementptr i32* %x, i64 %indvar
22 %exitcond = icmp ne i64 %indvar, 11
23 br i1 %exitcond, label %for.body, label %for.end
25 for.body: ; preds = %for.cond
26 %tmp3 = load i32* %arrayidx, align 4
27 %cmp4 = icmp eq i32 %tmp3, 1
28 br i1 %cmp4, label %cond.true, label %cond.false
30 cond.true: ; preds = %for.body
31 %add = add nsw i32 %tmp5, 1
34 cond.false: ; preds = %for.body
37 cond.end: ; preds = %cond.false, %cond.true
38 %cond = phi i32 [ %add, %cond.true ], [ %sub, %cond.false ]
39 store i32 %cond, i32* %arrayidx11, align 4
42 for.inc: ; preds = %cond.end
43 %inc = add nsw i32 %tmp5, 1
44 %indvar.next = add i64 %indvar, 1
47 for.end: ; preds = %for.cond