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| ; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-allow-nonaffine-loops -polly-simplify -analyze < %s | FileCheck %s -match-full-lines
;
; Do not remove the store in region_entry. It can be executed multiple times
; due to being part of a non-affine loop.
;
define void @notredundant_region_loop(i32 %n, double* noalias nonnull %A) {
entry:
br label %for
for:
%j = phi i32 [0, %entry], [%j.inc, %inc]
%j.cmp = icmp slt i32 %j, %n
br i1 %j.cmp, label %body, label %exit
body:
%val = fadd double 21.0, 21.0
br label %region_entry
region_entry:
store double %val, double* %A
%sqr = mul i32 %j, %j
%cmp = icmp eq i32 %sqr, 42
br i1 %cmp, label %region_true, label %region_exit
region_true:
store double 0.0, double* %A
br label %region_entry
region_exit:
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK: SCoP could not be simplified
|