154 lines
5.2 KiB
LLVM
154 lines
5.2 KiB
LLVM
; RUN: opt < %s -basicaa -da -analyze -delinearize
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;
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; a, b, c, d, g, h;
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; char *f;
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; static fn1(p1) {
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; char *e = p1;
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; for (; d;) {
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; a = 0;
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; for (;; ++a)
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; for (; b; ++b)
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; c = e[b + a];
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; }
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; }
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;
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; fn2() {
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; for (;;)
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; fn1(&f[g * h]);
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; }
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@g = common global i32 0, align 4
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@h = common global i32 0, align 4
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@f = common global i8* null, align 4
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@a = common global i32 0, align 4
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@b = common global i32 0, align 4
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@c = common global i32 0, align 4
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@d = common global i32 0, align 4
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define i32 @fn2() {
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entry:
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%.pr = load i32, i32* @d, align 4
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%phitmp = icmp eq i32 %.pr, 0
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br label %for.cond
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for.cond:
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%0 = phi i1 [ true, %for.cond ], [ %phitmp, %entry ]
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br i1 %0, label %for.cond, label %for.cond2thread-pre-split.preheader.i
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for.cond2thread-pre-split.preheader.i:
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%1 = load i32, i32* @g, align 4
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%2 = load i32, i32* @h, align 4
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%mul = mul nsw i32 %2, %1
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%3 = load i8*, i8** @f, align 4
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%.pr.pre.i = load i32, i32* @b, align 4
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br label %for.cond2thread-pre-split.i
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for.cond2thread-pre-split.i:
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%.pr.i = phi i32 [ 0, %for.inc5.i ], [ %.pr.pre.i, %for.cond2thread-pre-split.preheader.i ]
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%storemerge.i = phi i32 [ %inc6.i, %for.inc5.i ], [ 0, %for.cond2thread-pre-split.preheader.i ]
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store i32 %storemerge.i, i32* @a, align 4
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%tobool31.i = icmp eq i32 %.pr.i, 0
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br i1 %tobool31.i, label %for.inc5.i, label %for.body4.preheader.i
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for.body4.preheader.i:
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%4 = icmp slt i32 %.pr.i, -7
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%add.i = add i32 %storemerge.i, %mul
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br i1 %4, label %for.body4.i.preheader, label %for.body4.ur.i.preheader
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for.body4.i.preheader:
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%5 = sub i32 -8, %.pr.i
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%6 = lshr i32 %5, 3
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%7 = mul i32 %6, 8
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br label %for.body4.i
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for.body4.i:
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%8 = phi i32 [ %inc.7.i, %for.body4.i ], [ %.pr.i, %for.body4.i.preheader ]
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%arrayidx.sum1 = add i32 %add.i, %8
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%arrayidx.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum1
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%9 = load i8, i8* %arrayidx.i, align 1
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%conv.i = sext i8 %9 to i32
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store i32 %conv.i, i32* @c, align 4
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%inc.i = add nsw i32 %8, 1
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store i32 %inc.i, i32* @b, align 4
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%arrayidx.sum2 = add i32 %add.i, %inc.i
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%arrayidx.1.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum2
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%10 = load i8, i8* %arrayidx.1.i, align 1
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%conv.1.i = sext i8 %10 to i32
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store i32 %conv.1.i, i32* @c, align 4
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%inc.1.i = add nsw i32 %8, 2
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store i32 %inc.1.i, i32* @b, align 4
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%arrayidx.sum3 = add i32 %add.i, %inc.1.i
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%arrayidx.2.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum3
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%11 = load i8, i8* %arrayidx.2.i, align 1
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%conv.2.i = sext i8 %11 to i32
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store i32 %conv.2.i, i32* @c, align 4
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%inc.2.i = add nsw i32 %8, 3
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store i32 %inc.2.i, i32* @b, align 4
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%arrayidx.sum4 = add i32 %add.i, %inc.2.i
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%arrayidx.3.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum4
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%12 = load i8, i8* %arrayidx.3.i, align 1
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%conv.3.i = sext i8 %12 to i32
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store i32 %conv.3.i, i32* @c, align 4
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%inc.3.i = add nsw i32 %8, 4
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store i32 %inc.3.i, i32* @b, align 4
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%arrayidx.sum5 = add i32 %add.i, %inc.3.i
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%arrayidx.4.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum5
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%13 = load i8, i8* %arrayidx.4.i, align 1
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%conv.4.i = sext i8 %13 to i32
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store i32 %conv.4.i, i32* @c, align 4
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%inc.4.i = add nsw i32 %8, 5
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store i32 %inc.4.i, i32* @b, align 4
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%arrayidx.sum6 = add i32 %add.i, %inc.4.i
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%arrayidx.5.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum6
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%14 = load i8, i8* %arrayidx.5.i, align 1
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%conv.5.i = sext i8 %14 to i32
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store i32 %conv.5.i, i32* @c, align 4
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%inc.5.i = add nsw i32 %8, 6
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store i32 %inc.5.i, i32* @b, align 4
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%arrayidx.sum7 = add i32 %add.i, %inc.5.i
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%arrayidx.6.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum7
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%15 = load i8, i8* %arrayidx.6.i, align 1
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%conv.6.i = sext i8 %15 to i32
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store i32 %conv.6.i, i32* @c, align 4
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%inc.6.i = add nsw i32 %8, 7
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store i32 %inc.6.i, i32* @b, align 4
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%arrayidx.sum8 = add i32 %add.i, %inc.6.i
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%arrayidx.7.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum8
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%16 = load i8, i8* %arrayidx.7.i, align 1
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%conv.7.i = sext i8 %16 to i32
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store i32 %conv.7.i, i32* @c, align 4
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%inc.7.i = add nsw i32 %8, 8
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store i32 %inc.7.i, i32* @b, align 4
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%tobool3.7.i = icmp sgt i32 %inc.7.i, -8
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br i1 %tobool3.7.i, label %for.inc5.loopexit.ur-lcssa.i, label %for.body4.i
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for.inc5.loopexit.ur-lcssa.i:
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%17 = add i32 %.pr.i, 8
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%18 = add i32 %17, %7
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%19 = icmp eq i32 %18, 0
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br i1 %19, label %for.inc5.i, label %for.body4.ur.i.preheader
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for.body4.ur.i.preheader:
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%.ph = phi i32 [ %18, %for.inc5.loopexit.ur-lcssa.i ], [ %.pr.i, %for.body4.preheader.i ]
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br label %for.body4.ur.i
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for.body4.ur.i:
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%20 = phi i32 [ %inc.ur.i, %for.body4.ur.i ], [ %.ph, %for.body4.ur.i.preheader ]
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%arrayidx.sum = add i32 %add.i, %20
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%arrayidx.ur.i = getelementptr inbounds i8, i8* %3, i32 %arrayidx.sum
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%21 = load i8, i8* %arrayidx.ur.i, align 1
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%conv.ur.i = sext i8 %21 to i32
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store i32 %conv.ur.i, i32* @c, align 4
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%inc.ur.i = add nsw i32 %20, 1
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store i32 %inc.ur.i, i32* @b, align 4
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%tobool3.ur.i = icmp eq i32 %inc.ur.i, 0
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br i1 %tobool3.ur.i, label %for.inc5.i.loopexit, label %for.body4.ur.i
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for.inc5.i.loopexit:
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br label %for.inc5.i
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for.inc5.i:
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%inc6.i = add nsw i32 %storemerge.i, 1
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br label %for.cond2thread-pre-split.i
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}
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