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[Polly] Fix a testcase after LLVM commit r334318 

ScalarEvolution has become slightly more intelligent, so obfuscate the
exit condition in the testcase some more to keep it working.

llvm-svn: 334327
This commit is contained in:
Krzysztof Parzyszek 2018-06-08 21:39:55 +00:00
parent c065bb2953
commit fb3ed4f409
1 changed files with 3 additions and 3 deletions
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6
polly/test/Simplify/notredundant_synthesizable_unknownit.ll
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@ -20,11 +20,11 @@ for:
; This loop has some unusual properties:
; * It has a known iteration count (8), therefore SCoP-compatible.
; * It has a known iteration count (1), therefore SCoP-compatible.
; * %i.trunc is synthesizable within the loop ({1,+,1}<%while.body>).
; * %i.trunc is not synthesizable outside of the loop, because its value is
; unknown when exiting.
; (should be 8, but ScalarEvolution currently seems unable to derive that)
; (should be 1, but ScalarEvolution currently seems unable to derive that)
;
; ScalarEvolution currently seems to not able to handle the %zero.
; If it becomes more intelligent, there might be other such loop constructs.
@ -32,7 +32,7 @@ for:
%i = phi i64 [%zero, %for], [%i.inc, %inner.for]
%i.inc = add nuw nsw i64 %i, 1
%i.trunc = trunc i64 %i.inc to i32
%i.and = and i32 %i.trunc, 7
%i.and = and i32 %i.trunc, 6
%inner.cond = icmp eq i32 %i.and, 0
br i1 %inner.cond, label %body, label %inner.for