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