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