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llvm-mirror/test/Analysis/ScalarEvolution/scev-canonical-mode.ll

33 lines
1.5 KiB
LLVM

; PR26529: Check the assumption of IndVarSimplify to do SCEV expansion in literal mode
; instead of CanonicalMode is properly maintained in SCEVExpander::expand.
; RUN: opt -indvars < %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: norecurse nounwind uwtable
define void @ehF() #0 {
entry:
br i1 undef, label %if.then.i, label %hup.exit
if.then.i: ; preds = %entry
br i1 undef, label %for.body.lr.ph.i, label %hup.exit
for.body.lr.ph.i: ; preds = %if.then.i
br label %for.body.i
for.body.i: ; preds = %for.body.i, %for.body.lr.ph.i
%i.03.i = phi i32 [ 0, %for.body.lr.ph.i ], [ %inc.i, %for.body.i ]
%k.02.i = phi i32 [ 1, %for.body.lr.ph.i ], [ %inc5.i, %for.body.i ]
%inc.i = add nsw i32 %i.03.i, 1
%idxprom.i = sext i32 %i.03.i to i64
%idxprom2.i = sext i32 %k.02.i to i64
%inc5.i = add nsw i32 %k.02.i, 1
br i1 false, label %for.body.i, label %hup.exit
hup.exit: ; preds = %for.body.i, %if.then.i, %entry
ret void
}
attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }