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add testcase for r208237: do not collect undef terms 

llvm-svn: 208347
This commit is contained in:
Sebastian Pop 2014-05-08 18:38:58 +00:00
parent 49bb65a48d
commit 45dd14bac2
1 changed files with 38 additions and 0 deletions
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38
llvm/test/Analysis/Delinearization/undef.ll Normal file
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; RUN: opt < %s -analyze -delinearize
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @foo(double* %Ey) {
entry:
br i1 undef, label %for.cond55.preheader, label %for.end324
for.cond55.preheader:
%iz.069 = phi i64 [ %inc323, %for.inc322 ], [ 0, %entry ]
br i1 undef, label %for.cond58.preheader, label %for.inc322
for.cond58.preheader:
%iy.067 = phi i64 [ %inc320, %for.end ], [ 0, %for.cond55.preheader ]
br i1 undef, label %for.body60, label %for.end
for.body60:
%ix.062 = phi i64 [ %inc, %for.body60 ], [ 0, %for.cond58.preheader ]
%0 = mul i64 %iz.069, undef
%tmp5 = add i64 %iy.067, %0
%tmp6 = mul i64 %tmp5, undef
%arrayidx69.sum = add i64 undef, %tmp6
%arrayidx70 = getelementptr inbounds double* %Ey, i64 %arrayidx69.sum
%1 = load double* %arrayidx70, align 8
%inc = add nsw i64 %ix.062, 1
br i1 false, label %for.body60, label %for.end
for.end:
%inc320 = add nsw i64 %iy.067, 1
br i1 undef, label %for.cond58.preheader, label %for.inc322
for.inc322:
%inc323 = add nsw i64 %iz.069, 1
br i1 undef, label %for.cond55.preheader, label %for.end324
for.end324:
ret void
}