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e4721495b6
llvm-6502/test/Analysis/DependenceAnalysis/ExactRDIV.ll
Preston Briggs a4eff77e37 Modified dump() to provide a little 
more information for dependences between
instructions that don't share a common loop.

Updated the test results appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168965 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30 00:44:47 +00:00

619 lines
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LLVM
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; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
; ModuleID = 'ExactRDIV.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 < 10; i++)
;; A[4*i + 10] = i;
;; for (long int j = 0; j < 10; j++)
;; *B++ = A[2*j + 1];
define void @rdiv0(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 2
%add = add nsw i64 %mul, 10
%arrayidx = getelementptr inbounds i32* %A, i64 %add
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc, 10
br i1 %exitcond5, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%mul5 = shl nsw i64 %j.02, 1
%add64 = or i64 %mul5, 1
%arrayidx7 = getelementptr inbounds i32* %A, i64 %add64
%0 = load i32* %arrayidx7, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc9 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc9, 10
br i1 %exitcond, label %for.body4, label %for.end10
for.end10: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i < 5; i++)
;; A[11*i - 45] = i;
;; for (long int j = 0; j < 10; j++)
;; *B++ = A[j];
define void @rdiv1(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, 11
%sub = add nsw i64 %mul, -45
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 5
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 10
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i <= 5; i++)
;; A[11*i - 45] = i;
;; for (long int j = 0; j < 10; j++)
;; *B++ = A[j];
define void @rdiv2(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, 11
%sub = add nsw i64 %mul, -45
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 6
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 10
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i < 5; i++)
;; A[11*i - 45] = i;
;; for (long int j = 0; j <= 10; j++)
;; *B++ = A[j];
define void @rdiv3(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, 11
%sub = add nsw i64 %mul, -45
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 5
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 11
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i <= 5; i++)
;; A[11*i - 45] = i;
;; for (long int j = 0; j <= 10; j++)
;; *B++ = A[j];
define void @rdiv4(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, 11
%sub = add nsw i64 %mul, -45
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 6
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 11
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i < 5; i++)
;; A[-11*i + 45] = i;
;; for (long int j = 0; j < 10; j++)
;; *B++ = A[-j];
define void @rdiv5(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -11
%add = add nsw i64 %mul, 45
%arrayidx = getelementptr inbounds i32* %A, i64 %add
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 5
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%sub = sub nsw i64 0, %j.02
%arrayidx5 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 10
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i <= 5; i++)
;; A[-11*i + 45] = i;
;; for (long int j = 0; j < 10; j++)
;; *B++ = A[-j];
define void @rdiv6(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -11
%add = add nsw i64 %mul, 45
%arrayidx = getelementptr inbounds i32* %A, i64 %add
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 6
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%sub = sub nsw i64 0, %j.02
%arrayidx5 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 10
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i < 5; i++)
;; A[-11*i + 45] = i;
;; for (long int j = 0; j <= 10; j++)
;; *B++ = A[-j];
define void @rdiv7(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -11
%add = add nsw i64 %mul, 45
%arrayidx = getelementptr inbounds i32* %A, i64 %add
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 5
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%sub = sub nsw i64 0, %j.02
%arrayidx5 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 11
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i <= 5; i++)
;; A[-11*i + 45] = i;
;; for (long int j = 0; j <= 10; j++)
;; *B++ = A[-j];
define void @rdiv8(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.body
; 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.body: ; preds = %entry, %for.body
%i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -11
%add = add nsw i64 %mul, 45
%arrayidx = getelementptr inbounds i32* %A, i64 %add
store i32 %conv, i32* %arrayidx, align 4
%inc = add nsw i64 %i.03, 1
%exitcond4 = icmp ne i64 %inc, 6
br i1 %exitcond4, label %for.body, label %for.body4.preheader
for.body4.preheader: ; preds = %for.body
br label %for.body4
for.body4: ; preds = %for.body4.preheader, %for.body4
%j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ]
%B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
%sub = sub nsw i64 0, %j.02
%arrayidx5 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx5, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
store i32 %0, i32* %B.addr.01, align 4
%inc7 = add nsw i64 %j.02, 1
%exitcond = icmp ne i64 %inc7, 11
br i1 %exitcond, label %for.body4, label %for.end8
for.end8: ; preds = %for.body4
ret void
}
;; for (long int i = 0; i < 5; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[11*i - j] = i;
;; *B++ = A[45];
define void @rdiv9(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - consistent input [S S]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc5
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ]
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, 11
%sub = sub nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%arrayidx4 = getelementptr inbounds i32* %A, i64 45
%0 = load i32* %arrayidx4, 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, 10
br i1 %exitcond, label %for.body3, label %for.inc5
for.inc5: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 10
%inc6 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc6, 5
br i1 %exitcond5, label %for.cond1.preheader, label %for.end7
for.end7: ; preds = %for.inc5
ret void
}
;; for (long int i = 0; i <= 5; i++)
;; for (long int j = 0; j < 10; j++) {
;; A[11*i - j] = i;
;; *B++ = A[45];
define void @rdiv10(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - consistent input [S S]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc5
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ]
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, 11
%sub = sub nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%arrayidx4 = getelementptr inbounds i32* %A, i64 45
%0 = load i32* %arrayidx4, 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, 10
br i1 %exitcond, label %for.body3, label %for.inc5
for.inc5: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 10
%inc6 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc6, 6
br i1 %exitcond5, label %for.cond1.preheader, label %for.end7
for.end7: ; preds = %for.inc5
ret void
}
;; for (long int i = 0; i < 5; i++)
;; for (long int j = 0; j <= 10; j++) {
;; A[11*i - j] = i;
;; *B++ = A[45];
define void @rdiv11(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - consistent input [S S]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc5
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ]
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, 11
%sub = sub nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%arrayidx4 = getelementptr inbounds i32* %A, i64 45
%0 = load i32* %arrayidx4, 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, 11
br i1 %exitcond, label %for.body3, label %for.inc5
for.inc5: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 11
%inc6 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc6, 5
br i1 %exitcond5, label %for.cond1.preheader, label %for.end7
for.end7: ; preds = %for.inc5
ret void
}
;; for (long int i = 0; i <= 5; i++)
;; for (long int j = 0; j <= 10; j++) {
;; A[11*i - j] = i;
;; *B++ = A[45];
define void @rdiv12(i32* %A, i32* %B) nounwind uwtable ssp {
entry:
br label %for.cond1.preheader
; CHECK: da analyze - none!
; CHECK: da analyze - flow [* *|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - consistent input [S S]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
for.cond1.preheader: ; preds = %entry, %for.inc5
%B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ]
%i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ]
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, 11
%sub = sub nsw i64 %mul, %j.02
%arrayidx = getelementptr inbounds i32* %A, i64 %sub
store i32 %conv, i32* %arrayidx, align 4
%arrayidx4 = getelementptr inbounds i32* %A, i64 45
%0 = load i32* %arrayidx4, 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, 11
br i1 %exitcond, label %for.body3, label %for.inc5
for.inc5: ; preds = %for.body3
%scevgep = getelementptr i32* %B.addr.04, i64 11
%inc6 = add nsw i64 %i.03, 1
%exitcond5 = icmp ne i64 %inc6, 6
br i1 %exitcond5, label %for.cond1.preheader, label %for.end7
for.end7: ; preds = %for.inc5
ret void
}
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