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llvm-6502/test/Analysis/DependenceAnalysis/Banerjee.ll
Sebastian Pop 430b6eb419 improve dependence analysis testcases 
print the name of the function on which the dependence analysis is performed
such that changes to the testcase are easier to review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194528 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-12 22:47:30 +00:00

686 lines
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; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
; ModuleID = 'Banerjee.bc'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.6.0"
;; for (long int i = 1; i <= 10; i++)
;; for (long int j = 1; j <= 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j - 1];
define void @banerjee0(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee0':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [<= <>]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ]
%i.03 = phi i64 [ 1, %entry ], [ %inc8, %for.inc7 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 1, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%sub = add nsw i64 %add5, -1
%arrayidx6 = getelementptr inbounds i64* %A, i64 %sub
%0 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 11
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 11
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
;; for (long int i = 1; i <= n; i++)
;; for (long int j = 1; j <= m; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j - 1];
define void @banerjee1(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
%cmp4 = icmp sgt i64 %n, 0
br i1 %cmp4, label %for.cond1.preheader.preheader, label %for.end9
; CHECK: 'Dependence Analysis' for function 'banerjee1':
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [* <>]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - output [* *]!
for.cond1.preheader.preheader: ; preds = %entry
%0 = add i64 %n, 1
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc7
%B.addr.06 = phi i64* [ %B.addr.1.lcssa, %for.inc7 ], [ %B, %for.cond1.preheader.preheader ]
%i.05 = phi i64 [ %inc8, %for.inc7 ], [ 1, %for.cond1.preheader.preheader ]
%1 = add i64 %m, 1
%cmp21 = icmp sgt i64 %m, 0
br i1 %cmp21, label %for.body3.preheader, label %for.inc7
for.body3.preheader: ; preds = %for.cond1.preheader
br label %for.body3
for.body3: ; preds = %for.body3.preheader, %for.body3
%j.03 = phi i64 [ %inc, %for.body3 ], [ 1, %for.body3.preheader ]
%B.addr.12 = phi i64* [ %incdec.ptr, %for.body3 ], [ %B.addr.06, %for.body3.preheader ]
%mul = mul nsw i64 %i.05, 10
%add = add nsw i64 %mul, %j.03
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.05, 10
%add5 = add nsw i64 %mul4, %j.03
%sub = add nsw i64 %add5, -1
%arrayidx6 = getelementptr inbounds i64* %A, i64 %sub
%2 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.12, i64 1
store i64 %2, i64* %B.addr.12, align 8
%inc = add nsw i64 %j.03, 1
%exitcond = icmp eq i64 %inc, %1
br i1 %exitcond, label %for.inc7.loopexit, label %for.body3
for.inc7.loopexit: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.06, i64 %m
br label %for.inc7
for.inc7: ; preds = %for.inc7.loopexit, %for.cond1.preheader
%B.addr.1.lcssa = phi i64* [ %B.addr.06, %for.cond1.preheader ], [ %scevgep, %for.inc7.loopexit ]
%inc8 = add nsw i64 %i.05, 1
%exitcond7 = icmp eq i64 %inc8, %0
br i1 %exitcond7, label %for.end9.loopexit, label %for.cond1.preheader
for.end9.loopexit: ; preds = %for.inc7
br label %for.end9
for.end9: ; preds = %for.end9.loopexit, %entry
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j + 100];
define void @banerjee2(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee2':
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%add6 = add nsw i64 %add5, 100
%arrayidx7 = getelementptr inbounds i64* %A, i64 %add6
%0 = load i64* %arrayidx7, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j + 99];
define void @banerjee3(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee3':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [> >]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%add6 = add nsw i64 %add5, 99
%arrayidx7 = getelementptr inbounds i64* %A, i64 %add6
%0 = load i64* %arrayidx7, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j - 100];
define void @banerjee4(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee4':
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%sub = add nsw i64 %add5, -100
%arrayidx6 = getelementptr inbounds i64* %A, i64 %sub
%0 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j - 99];
define void @banerjee5(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee5':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [< <]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%sub = add nsw i64 %add5, -99
%arrayidx6 = getelementptr inbounds i64* %A, i64 %sub
%0 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j + 9];
define void @banerjee6(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee6':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [=> <>]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%add6 = add nsw i64 %add5, 9
%arrayidx7 = getelementptr inbounds i64* %A, i64 %add6
%0 = load i64* %arrayidx7, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j + 10];
define void @banerjee7(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee7':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [> <=]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%add6 = add nsw i64 %add5, 10
%arrayidx7 = getelementptr inbounds i64* %A, i64 %add6
%0 = load i64* %arrayidx7, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 10; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[10*i + j] = 0;
;; *B++ = A[10*i + j + 11];
define void @banerjee8(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee8':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [> <>]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 10
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 10
%add5 = add nsw i64 %mul4, %j.02
%add6 = add nsw i64 %add5, 11
%arrayidx7 = getelementptr inbounds i64* %A, i64 %add6
%0 = load i64* %arrayidx7, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 10
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 10
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 10
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 20; i++)
;; for (long int j = 0; j < 20; j++) {
;; A[30*i + 500*j] = 0;
;; *B++ = A[i - 500*j + 11];
define void @banerjee9(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee9':
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [<= =|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 30
%mul4 = mul nsw i64 %j.02, 500
%add = add nsw i64 %mul, %mul4
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%0 = mul i64 %j.02, -500
%sub = add i64 %i.03, %0
%add6 = add nsw i64 %sub, 11
%arrayidx7 = getelementptr inbounds i64* %A, i64 %add6
%1 = load i64* %arrayidx7, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %1, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 20
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 20
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 20
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 20; i++)
;; for (long int j = 0; j < 20; j++) {
;; A[i + 500*j] = 0;
;; *B++ = A[i - 500*j + 11];
define void @banerjee10(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee10':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [<> =]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %j.02, 500
%add = add nsw i64 %i.03, %mul
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%0 = mul i64 %j.02, -500
%sub = add i64 %i.03, %0
%add5 = add nsw i64 %sub, 11
%arrayidx6 = getelementptr inbounds i64* %A, i64 %add5
%1 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %1, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 20
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 20
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 20
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
;; for (long int i = 0; i < 20; i++)
;; for (long int j = 0; j < 20; j++) {
;; A[300*i + j] = 0;
;; *B++ = A[250*i - j + 11];
define void @banerjee11(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee11':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [<= <>]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 300
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 250
%sub = sub nsw i64 %mul4, %j.02
%add5 = add nsw i64 %sub, 11
%arrayidx6 = getelementptr inbounds i64* %A, i64 %add5
%0 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 20
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 20
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 20
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
;; for (long int i = 0; i < 20; i++)
;; for (long int j = 0; j < 20; j++) {
;; A[100*i + j] = 0;
;; *B++ = A[100*i - j + 11];
define void @banerjee12(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'banerjee12':
; CHECK: da analyze - none!
; CHECK: da analyze - flow [= <>]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.body3
%j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
%B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%mul = mul nsw i64 %i.03, 100
%add = add nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i64* %A, i64 %add
store i64 0, i64* %arrayidx, align 8
%mul4 = mul nsw i64 %i.03, 100
%sub = sub nsw i64 %mul4, %j.02
%add5 = add nsw i64 %sub, 11
%arrayidx6 = getelementptr inbounds i64* %A, i64 %add5
%0 = load i64* %arrayidx6, align 8
%incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1
store i64 %0, i64* %B.addr.11, align 8
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 20
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i64* %B.addr.04, i64 20
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 20
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
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