partial_write_emptyset.ll
759 Bytes
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; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-codegen -S < %s | FileCheck %s
;
; Partial write, where "partial" is the empty set.
; The store is never executed in this case and we do generate it in the
; first place.
;
; for (int j = 0; j < n; j += 1)
; A[0] = 42.0
;
define void @partial_write_emptyset(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:
store double 42.0, double* %A
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK-LABEL: polly.stmt.body:
; CHECK-NOT: store