1 ; RUN: opt %loadPolly -polly-codegen < %s
3 ; Regression test for a bug in the runtime check generation.
5 ; This was extracted from the blas testcase. It crashed in one
6 ; part of the runtime check generation at some point. To be
7 ; precise, we couldn't find a suitable block to put the RTC code in.
9 ; int sscal(int n, float sa, float *sx) {
10 ; for(int i=0; i<n; i++, sx++)
15 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
17 define i32 @sscal(i32 %n, float %sa, ptr %sx) {
21 entry.split: ; preds = %entry
22 %cmp1 = icmp sgt i32 %n, 0
23 br i1 %cmp1, label %for.body.lr.ph, label %for.end
25 for.body.lr.ph: ; preds = %entry.split
26 %0 = zext i32 %n to i64
29 for.body: ; preds = %for.body.lr.ph, %for.body
30 %indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ]
31 %sx.addr.02 = getelementptr float, ptr %sx, i64 %indvar
32 %tmp = load float, ptr %sx.addr.02, align 4
33 %mul = fmul float %tmp, %sa
34 store float %mul, ptr %sx.addr.02, align 4
35 %indvar.next = add i64 %indvar, 1
36 %exitcond = icmp ne i64 %indvar.next, %0
37 br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
39 for.cond.for.end_crit_edge: ; preds = %for.body
42 for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split