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llvm-6502/test/Analysis/DependenceAnalysis/GCD.ll
Sebastian Pop 4449ed2a70 add -da-delinearize runs and checks to MIV testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201869 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-21 18:15:18 +00:00

743 lines
27 KiB
LLVM
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; RUN: opt < %s -analyze -basicaa -da -da-delinearize=false | FileCheck %s
; RUN: opt < %s -analyze -basicaa -da -da-delinearize | FileCheck %s -check-prefix=DELIN
; ModuleID = 'GCD.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 = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[2*i - 4*j] = i;
;; *B++ = A[6*i + 8*j];
define void @gcd0(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'gcd0'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [=> *|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; DELIN: 'Dependence Analysis' for function 'gcd0'
; DELIN: da analyze - none!
; DELIN: da analyze - flow [=> *|<]!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc8
%B.addr.04 = phi i32* [ %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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 1
%mul4 = shl nsw i64 %j.02, 2
%sub = sub nsw i64 %mul, %mul4
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%mul5 = mul nsw i64 %i.03, 6
%mul6 = shl nsw i64 %j.02, 3
%add = add nsw i64 %mul5, %mul6
%arrayidx7 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx7, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1
store i32 %0, i32* %B.addr.11, align 4
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 100
br i1 %exitcond, label %for.body3, label %for.inc8
for.inc8: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 100
%inc9 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc9, 100
br i1 %exitcond5, label %for.cond1.preheader, label %for.end10
for.end10: ; preds = %for.inc8
ret void
}
;; for (long int i = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[2*i - 4*j] = i;
;; *B++ = A[6*i + 8*j + 1];
define void @gcd1(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'gcd1'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; DELIN: 'Dependence Analysis' for function 'gcd1'
; DELIN: da analyze - none!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc9
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc9 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc10, %for.inc9 ]
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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 1
%mul4 = shl nsw i64 %j.02, 2
%sub = sub nsw i64 %mul, %mul4
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%mul5 = mul nsw i64 %i.03, 6
%mul6 = shl nsw i64 %j.02, 3
%add = add nsw i64 %mul5, %mul6
%add7 = or i64 %add, 1
%arrayidx8 = getelementptr inbounds i32* %A, i64 %add7
%0 = load i32* %arrayidx8, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1
store i32 %0, i32* %B.addr.11, align 4
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 100
br i1 %exitcond, label %for.body3, label %for.inc9
for.inc9: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 100
%inc10 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc10, 100
br i1 %exitcond5, label %for.cond1.preheader, label %for.end11
for.end11: ; preds = %for.inc9
ret void
}
;; for (long int i = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[2*i - 4*j + 1] = i;
;; *B++ = A[6*i + 8*j];
define void @gcd2(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'gcd2'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; DELIN: 'Dependence Analysis' for function 'gcd2'
; DELIN: da analyze - none!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc9
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc9 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc10, %for.inc9 ]
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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 1
%mul4 = shl nsw i64 %j.02, 2
%sub = sub nsw i64 %mul, %mul4
%add5 = or i64 %sub, 1
%arrayidx = getelementptr inbounds i32* %A, i64 %add5
store i32 %conv, i32* %arrayidx, align 4
%mul5 = mul nsw i64 %i.03, 6
%mul6 = shl nsw i64 %j.02, 3
%add7 = add nsw i64 %mul5, %mul6
%arrayidx8 = getelementptr inbounds i32* %A, i64 %add7
%0 = load i32* %arrayidx8, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1
store i32 %0, i32* %B.addr.11, align 4
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 100
br i1 %exitcond, label %for.body3, label %for.inc9
for.inc9: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 100
%inc10 = add nsw i64 %i.03, 1
%exitcond6 = icmp ne i64 %inc10, 100
br i1 %exitcond6, label %for.cond1.preheader, label %for.end11
for.end11: ; preds = %for.inc9
ret void
}
;; for (long int i = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[i + 2*j] = i;
;; *B++ = A[i + 2*j - 1];
define void @gcd3(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'gcd3'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [<> *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; DELIN: 'Dependence Analysis' for function 'gcd3'
; DELIN: da analyze - output [* *]!
; DELIN: da analyze - flow [<> *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - input [* *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc7
%B.addr.04 = phi i32* [ %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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %j.02, 1
%add = add nsw i64 %i.03, %mul
%arrayidx = getelementptr inbounds i32* %A, i64 %add
store i32 %conv, i32* %arrayidx, align 4
%mul4 = shl nsw i64 %j.02, 1
%add5 = add nsw i64 %i.03, %mul4
%sub = add nsw i64 %add5, -1
%arrayidx6 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx6, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1
store i32 %0, i32* %B.addr.11, align 4
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 100
br i1 %exitcond, label %for.body3, label %for.inc7
for.inc7: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 100
%inc8 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc8, 100
br i1 %exitcond5, label %for.cond1.preheader, label %for.end9
for.end9: ; preds = %for.inc7
ret void
}
;; for (long int i = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[5*i + 10*j*M + 9*M*N] = i;
;; *B++ = A[15*i + 20*j*M - 21*N*M + 4];
define void @gcd4(i32* %A, i32* %B, i64 %M, i64 %N) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'gcd4'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; DELIN: 'Dependence Analysis' for function 'gcd4'
; DELIN: da analyze - output [* *]!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - input [* *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc17
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc17 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc18, %for.inc17 ]
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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, 5
%mul4 = mul nsw i64 %j.02, 10
%mul5 = mul nsw i64 %mul4, %M
%add = add nsw i64 %mul, %mul5
%mul6 = mul nsw i64 %M, 9
%mul7 = mul nsw i64 %mul6, %N
%add8 = add nsw i64 %add, %mul7
%arrayidx = getelementptr inbounds i32* %A, i64 %add8
store i32 %conv, i32* %arrayidx, align 4
%mul9 = mul nsw i64 %i.03, 15
%mul10 = mul nsw i64 %j.02, 20
%mul11 = mul nsw i64 %mul10, %M
%add12 = add nsw i64 %mul9, %mul11
%mul13 = mul nsw i64 %N, 21
%mul14 = mul nsw i64 %mul13, %M
%sub = sub nsw i64 %add12, %mul14
%add15 = add nsw i64 %sub, 4
%arrayidx16 = getelementptr inbounds i32* %A, i64 %add15
%0 = load i32* %arrayidx16, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1
store i32 %0, i32* %B.addr.11, align 4
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 100
br i1 %exitcond, label %for.body3, label %for.inc17
for.inc17: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 100
%inc18 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc18, 100
br i1 %exitcond5, label %for.cond1.preheader, label %for.end19
for.end19: ; preds = %for.inc17
ret void
}
;; for (long int i = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[5*i + 10*j*M + 9*M*N] = i;
;; *B++ = A[15*i + 20*j*M - 21*N*M + 5];
define void @gcd5(i32* %A, i32* %B, i64 %M, i64 %N) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: 'Dependence Analysis' for function 'gcd5'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [<> *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; DELIN: 'Dependence Analysis' for function 'gcd5'
; DELIN: da analyze - output [* *]!
; DELIN: da analyze - flow [<> *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - input [* *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc17
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc17 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc18, %for.inc17 ]
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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, 5
%mul4 = mul nsw i64 %j.02, 10
%mul5 = mul nsw i64 %mul4, %M
%add = add nsw i64 %mul, %mul5
%mul6 = mul nsw i64 %M, 9
%mul7 = mul nsw i64 %mul6, %N
%add8 = add nsw i64 %add, %mul7
%arrayidx = getelementptr inbounds i32* %A, i64 %add8
store i32 %conv, i32* %arrayidx, align 4
%mul9 = mul nsw i64 %i.03, 15
%mul10 = mul nsw i64 %j.02, 20
%mul11 = mul nsw i64 %mul10, %M
%add12 = add nsw i64 %mul9, %mul11
%mul13 = mul nsw i64 %N, 21
%mul14 = mul nsw i64 %mul13, %M
%sub = sub nsw i64 %add12, %mul14
%add15 = add nsw i64 %sub, 5
%arrayidx16 = getelementptr inbounds i32* %A, i64 %add15
%0 = load i32* %arrayidx16, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1
store i32 %0, i32* %B.addr.11, align 4
%inc = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc, 100
br i1 %exitcond, label %for.body3, label %for.inc17
for.inc17: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 100
%inc18 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc18, 100
br i1 %exitcond5, label %for.cond1.preheader, label %for.end19
for.end19: ; preds = %for.inc17
ret void
}
;; for (long int i = 0; i < n; i++)
;; for (long int j = 0; j < n; j++) {
;; A[2*i][4*j] = i;
;; *B++ = A[8*i][6*j + 1];
define void @gcd6(i64 %n, i32* %A, i32* %B) nounwind uwtable ssp {
entry:
%cmp4 = icmp sgt i64 %n, 0
br i1 %cmp4, label %for.cond1.preheader.preheader, label %for.end12
; CHECK: 'Dependence Analysis' for function 'gcd6'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - output [* *]!
; DELIN: 'Dependence Analysis' for function 'gcd6'
; DELIN: da analyze - none!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - output [* *]!
for.cond1.preheader.preheader: ; preds = %entry
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc10
%i.06 = phi i64 [ %inc11, %for.inc10 ], [ 0, %for.cond1.preheader.preheader ]
%B.addr.05 = phi i32* [ %B.addr.1.lcssa, %for.inc10 ], [ %B, %for.cond1.preheader.preheader ]
%cmp21 = icmp sgt i64 %n, 0
br i1 %cmp21, label %for.body3.preheader, label %for.inc10
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 ], [ 0, %for.body3.preheader ]
%B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.05, %for.body3.preheader ]
%conv = trunc i64 %i.06 to i32
%mul = shl nsw i64 %j.03, 2
%mul4 = shl nsw i64 %i.06, 1
%0 = mul nsw i64 %mul4, %n
%arrayidx.sum = add i64 %0, %mul
%arrayidx5 = getelementptr inbounds i32* %A, i64 %arrayidx.sum
store i32 %conv, i32* %arrayidx5, align 4
%mul6 = mul nsw i64 %j.03, 6
%add7 = or i64 %mul6, 1
%mul7 = shl nsw i64 %i.06, 3
%1 = mul nsw i64 %mul7, %n
%arrayidx8.sum = add i64 %1, %add7
%arrayidx9 = getelementptr inbounds i32* %A, i64 %arrayidx8.sum
%2 = load i32* %arrayidx9, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.12, i64 1
store i32 %2, i32* %B.addr.12, align 4
%inc = add nsw i64 %j.03, 1
%exitcond = icmp ne i64 %inc, %n
br i1 %exitcond, label %for.body3, label %for.inc10.loopexit
for.inc10.loopexit: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.05, i64 %n
br label %for.inc10
for.inc10: ; preds = %for.inc10.loopexit, %for.cond1.preheader
%B.addr.1.lcssa = phi i32* [ %B.addr.05, %for.cond1.preheader ], [ %scevgep, %for.inc10.loopexit ]
%inc11 = add nsw i64 %i.06, 1
%exitcond8 = icmp ne i64 %inc11, %n
br i1 %exitcond8, label %for.cond1.preheader, label %for.end12.loopexit
for.end12.loopexit: ; preds = %for.inc10
br label %for.end12
for.end12: ; preds = %for.end12.loopexit, %entry
ret void
}
;; for (int i = 0; i < n; i++)
;; for (int j = 0; j < n; j++) {
;; A[2*i][4*j] = i;
;; *B++ = A[8*i][6*j + 1];
define void @gcd7(i32 %n, i32* %A, i32* %B) nounwind uwtable ssp {
entry:
%0 = zext i32 %n to i64
%cmp4 = icmp sgt i32 %n, 0
br i1 %cmp4, label %for.cond1.preheader.preheader, label %for.end15
; CHECK: 'Dependence Analysis' for function 'gcd7'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [* *|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - output [* *]!
; DELIN: 'Dependence Analysis' for function 'gcd7'
; DELIN: da analyze - output [* *]!
; DELIN: da analyze - flow [* *|<]!
; DELIN: da analyze - confused!
; DELIN: da analyze - input [* *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - output [* *]!
for.cond1.preheader.preheader: ; preds = %entry
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc13
%indvars.iv8 = phi i64 [ 0, %for.cond1.preheader.preheader ], [ %indvars.iv.next9, %for.inc13 ]
%B.addr.05 = phi i32* [ %B.addr.1.lcssa, %for.inc13 ], [ %B, %for.cond1.preheader.preheader ]
%1 = add i32 %n, -1
%2 = zext i32 %1 to i64
%3 = add i64 %2, 1
%cmp21 = icmp sgt i32 %n, 0
br i1 %cmp21, label %for.body3.preheader, label %for.inc13
for.body3.preheader: ; preds = %for.cond1.preheader
br label %for.body3
for.body3: ; preds = %for.body3.preheader, %for.body3
%indvars.iv = phi i64 [ 0, %for.body3.preheader ], [ %indvars.iv.next, %for.body3 ]
%B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.05, %for.body3.preheader ]
%4 = trunc i64 %indvars.iv to i32
%mul = shl nsw i32 %4, 2
%idxprom = sext i32 %mul to i64
%5 = trunc i64 %indvars.iv8 to i32
%mul4 = shl nsw i32 %5, 1
%idxprom5 = sext i32 %mul4 to i64
%6 = mul nsw i64 %idxprom5, %0
%arrayidx.sum = add i64 %6, %idxprom
%arrayidx6 = getelementptr inbounds i32* %A, i64 %arrayidx.sum
%7 = trunc i64 %indvars.iv8 to i32
store i32 %7, i32* %arrayidx6, align 4
%8 = trunc i64 %indvars.iv to i32
%mul7 = mul nsw i32 %8, 6
%add7 = or i32 %mul7, 1
%idxprom8 = sext i32 %add7 to i64
%9 = trunc i64 %indvars.iv8 to i32
%mul9 = shl nsw i32 %9, 3
%idxprom10 = sext i32 %mul9 to i64
%10 = mul nsw i64 %idxprom10, %0
%arrayidx11.sum = add i64 %10, %idxprom8
%arrayidx12 = getelementptr inbounds i32* %A, i64 %arrayidx11.sum
%11 = load i32* %arrayidx12, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.12, i64 1
store i32 %11, i32* %B.addr.12, align 4
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp ne i32 %lftr.wideiv, %n
br i1 %exitcond, label %for.body3, label %for.inc13.loopexit
for.inc13.loopexit: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.05, i64 %3
br label %for.inc13
for.inc13: ; preds = %for.inc13.loopexit, %for.cond1.preheader
%B.addr.1.lcssa = phi i32* [ %B.addr.05, %for.cond1.preheader ], [ %scevgep, %for.inc13.loopexit ]
%indvars.iv.next9 = add i64 %indvars.iv8, 1
%lftr.wideiv10 = trunc i64 %indvars.iv.next9 to i32
%exitcond11 = icmp ne i32 %lftr.wideiv10, %n
br i1 %exitcond11, label %for.cond1.preheader, label %for.end15.loopexit
for.end15.loopexit: ; preds = %for.inc13
br label %for.end15
for.end15: ; preds = %for.end15.loopexit, %entry
ret void
}
;; for (int i = 0; i < n; i++)
;; for (int j = 0; j < n; j++) {
;; A[n*2*i + 4*j] = i;
;; *B++ = A[n*8*i + 6*j + 1];
define void @gcd8(i32 %n, i32* %A, i32* %B) nounwind uwtable ssp {
entry:
%cmp4 = icmp sgt i32 %n, 0
br i1 %cmp4, label %for.cond1.preheader.preheader, label %for.end15
; CHECK: 'Dependence Analysis' for function 'gcd8'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - output [* *]!
; DELIN: 'Dependence Analysis' for function 'gcd8'
; DELIN: da analyze - output [* *]!
; DELIN: da analyze - none!
; DELIN: da analyze - confused!
; DELIN: da analyze - input [* *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - output [* *]!
for.cond1.preheader.preheader: ; preds = %entry
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc13
%i.06 = phi i32 [ %inc14, %for.inc13 ], [ 0, %for.cond1.preheader.preheader ]
%B.addr.05 = phi i32* [ %B.addr.1.lcssa, %for.inc13 ], [ %B, %for.cond1.preheader.preheader ]
%0 = add i32 %n, -1
%1 = zext i32 %0 to i64
%2 = add i64 %1, 1
%cmp21 = icmp sgt i32 %n, 0
br i1 %cmp21, label %for.body3.preheader, label %for.inc13
for.body3.preheader: ; preds = %for.cond1.preheader
br label %for.body3
for.body3: ; preds = %for.body3.preheader, %for.body3
%indvars.iv = phi i64 [ 0, %for.body3.preheader ], [ %indvars.iv.next, %for.body3 ]
%B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.05, %for.body3.preheader ]
%mul = shl nsw i32 %n, 1
%mul4 = mul nsw i32 %mul, %i.06
%3 = trunc i64 %indvars.iv to i32
%mul5 = shl nsw i32 %3, 2
%add = add nsw i32 %mul4, %mul5
%idxprom = sext i32 %add to i64
%arrayidx = getelementptr inbounds i32* %A, i64 %idxprom
store i32 %i.06, i32* %arrayidx, align 4
%mul6 = shl nsw i32 %n, 3
%mul7 = mul nsw i32 %mul6, %i.06
%4 = trunc i64 %indvars.iv to i32
%mul8 = mul nsw i32 %4, 6
%add9 = add nsw i32 %mul7, %mul8
%add10 = or i32 %add9, 1
%idxprom11 = sext i32 %add10 to i64
%arrayidx12 = getelementptr inbounds i32* %A, i64 %idxprom11
%5 = load i32* %arrayidx12, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.12, i64 1
store i32 %5, i32* %B.addr.12, align 4
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp ne i32 %lftr.wideiv, %n
br i1 %exitcond, label %for.body3, label %for.inc13.loopexit
for.inc13.loopexit: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.05, i64 %2
br label %for.inc13
for.inc13: ; preds = %for.inc13.loopexit, %for.cond1.preheader
%B.addr.1.lcssa = phi i32* [ %B.addr.05, %for.cond1.preheader ], [ %scevgep, %for.inc13.loopexit ]
%inc14 = add nsw i32 %i.06, 1
%exitcond7 = icmp ne i32 %inc14, %n
br i1 %exitcond7, label %for.cond1.preheader, label %for.end15.loopexit
for.end15.loopexit: ; preds = %for.inc13
br label %for.end15
for.end15: ; preds = %for.end15.loopexit, %entry
ret void
}
;; for (unsigned i = 0; i < n; i++)
;; for (unsigned j = 0; j < n; j++) {
;; A[2*i][4*j] = i;
;; *B++ = A[8*i][6*j + 1];
define void @gcd9(i32 %n, i32* %A, i32* %B) nounwind uwtable ssp {
entry:
%0 = zext i32 %n to i64
%cmp4 = icmp eq i32 %n, 0
br i1 %cmp4, label %for.end15, label %for.cond1.preheader.preheader
; CHECK: 'Dependence Analysis' for function 'gcd9'
; CHECK: da analyze - output [* *]!
; CHECK: da analyze - flow [* *|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - output [* *]!
; DELIN: 'Dependence Analysis' for function 'gcd9'
; DELIN: da analyze - output [* *]!
; DELIN: da analyze - flow [* *|<]!
; DELIN: da analyze - confused!
; DELIN: da analyze - input [* *]!
; DELIN: da analyze - confused!
; DELIN: da analyze - output [* *]!
for.cond1.preheader.preheader: ; preds = %entry
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc13
%indvars.iv8 = phi i64 [ 0, %for.cond1.preheader.preheader ], [ %indvars.iv.next9, %for.inc13 ]
%B.addr.05 = phi i32* [ %B.addr.1.lcssa, %for.inc13 ], [ %B, %for.cond1.preheader.preheader ]
%1 = add i32 %n, -1
%2 = zext i32 %1 to i64
%3 = add i64 %2, 1
%cmp21 = icmp eq i32 %n, 0
br i1 %cmp21, label %for.inc13, label %for.body3.preheader
for.body3.preheader: ; preds = %for.cond1.preheader
br label %for.body3
for.body3: ; preds = %for.body3.preheader, %for.body3
%indvars.iv = phi i64 [ 0, %for.body3.preheader ], [ %indvars.iv.next, %for.body3 ]
%B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.05, %for.body3.preheader ]
%4 = trunc i64 %indvars.iv to i32
%mul = shl i32 %4, 2
%idxprom = zext i32 %mul to i64
%5 = trunc i64 %indvars.iv8 to i32
%mul4 = shl i32 %5, 1
%idxprom5 = zext i32 %mul4 to i64
%6 = mul nsw i64 %idxprom5, %0
%arrayidx.sum = add i64 %6, %idxprom
%arrayidx6 = getelementptr inbounds i32* %A, i64 %arrayidx.sum
%7 = trunc i64 %indvars.iv8 to i32
store i32 %7, i32* %arrayidx6, align 4
%8 = trunc i64 %indvars.iv to i32
%mul7 = mul i32 %8, 6
%add7 = or i32 %mul7, 1
%idxprom8 = zext i32 %add7 to i64
%9 = trunc i64 %indvars.iv8 to i32
%mul9 = shl i32 %9, 3
%idxprom10 = zext i32 %mul9 to i64
%10 = mul nsw i64 %idxprom10, %0
%arrayidx11.sum = add i64 %10, %idxprom8
%arrayidx12 = getelementptr inbounds i32* %A, i64 %arrayidx11.sum
%11 = load i32* %arrayidx12, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.12, i64 1
store i32 %11, i32* %B.addr.12, align 4
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp ne i32 %lftr.wideiv, %n
br i1 %exitcond, label %for.body3, label %for.inc13.loopexit
for.inc13.loopexit: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.05, i64 %3
br label %for.inc13
for.inc13: ; preds = %for.inc13.loopexit, %for.cond1.preheader
%B.addr.1.lcssa = phi i32* [ %B.addr.05, %for.cond1.preheader ], [ %scevgep, %for.inc13.loopexit ]
%indvars.iv.next9 = add i64 %indvars.iv8, 1
%lftr.wideiv10 = trunc i64 %indvars.iv.next9 to i32
%exitcond11 = icmp ne i32 %lftr.wideiv10, %n
br i1 %exitcond11, label %for.cond1.preheader, label %for.end15.loopexit
for.end15.loopexit: ; preds = %for.inc13
br label %for.end15
for.end15: ; preds = %for.end15.loopexit, %entry
ret void
}
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