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https://github.com/RPCS3/llvm-mirror.git
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f15c406c47
there's no possible loo-independent dependence, then there's no dependence. Updated all test result appropriately. llvm-svn: 168719
267 lines
8.7 KiB
LLVM
267 lines
8.7 KiB
LLVM
; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
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; ModuleID = 'WeakZeroSrcSIV.bc'
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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"
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target triple = "x86_64-apple-macosx10.6.0"
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;; for (long unsigned i = 0; i < 30; i++) {
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;; A[10] = i;
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;; *B++ = A[2*i + 10];
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define void @weakzerosrc0(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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br label %for.body
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - flow [p<=|<]!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body: ; preds = %entry, %for.body
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%i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ]
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%conv = trunc i64 %i.02 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = shl i64 %i.02, 1
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%add = add i64 %mul, 10
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
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store i32 %0, i32* %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 30
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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ret void
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}
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;; for (long unsigned i = 0; i < n; i++) {
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;; A[10] = i;
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;; *B++ = A[n*i + 10];
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define void @weakzerosrc1(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - flow [p<=|<]!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = mul i64 %i.03, %n
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%add = add i64 %mul, 10
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long unsigned i = 0; i < 5; i++) {
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;; A[10] = i;
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;; *B++ = A[2*i];
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define void @weakzerosrc2(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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br label %for.body
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body: ; preds = %entry, %for.body
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%i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ]
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%conv = trunc i64 %i.02 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = shl i64 %i.02, 1
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %mul
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
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store i32 %0, i32* %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 5
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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ret void
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}
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;; for (long unsigned i = 0; i < 6; i++) {
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;; A[10] = i;
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;; *B++ = A[2*i];
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define void @weakzerosrc3(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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br label %for.body
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - flow [=>p|<]!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body: ; preds = %entry, %for.body
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%i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ]
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%conv = trunc i64 %i.02 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = shl i64 %i.02, 1
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %mul
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
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store i32 %0, i32* %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 6
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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ret void
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}
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;; for (long unsigned i = 0; i < 7; i++) {
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;; A[10] = i;
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;; *B++ = A[2*i];
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define void @weakzerosrc4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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br label %for.body
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - flow [*|<]!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body: ; preds = %entry, %for.body
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%i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ]
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%conv = trunc i64 %i.02 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = shl i64 %i.02, 1
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %mul
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
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store i32 %0, i32* %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 7
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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ret void
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}
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;; for (long unsigned i = 0; i < 7; i++) {
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;; A[-10] = i;
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;; *B++ = A[2*i];
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define void @weakzerosrc5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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br label %for.body
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body: ; preds = %entry, %for.body
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%i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
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%B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ]
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%conv = trunc i64 %i.02 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 -10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = shl i64 %i.02, 1
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %mul
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1
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store i32 %0, i32* %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 7
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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ret void
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}
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;; for (long unsigned i = 0; i < n; i++) {
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;; A[10] = i;
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;; *B++ = A[3*i];
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define void @weakzerosrc6(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - consistent output [S]!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%arrayidx = getelementptr inbounds i32* %A, i64 10
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store i32 %conv, i32* %arrayidx, align 4
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%mul = mul i64 %i.03, 3
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%arrayidx1 = getelementptr inbounds i32* %A, i64 %mul
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%0 = load i32* %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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