derek.holloway
7502bf64a4
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330 lines
14 KiB
LLVM
330 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \
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; RUN: | FileCheck %s
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; ModuleID = 'WeakCrossingSIV.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 < n; i++) {
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;; A[1 + n*i] = i;
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;; *B++ = A[1 - n*i];
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define void @weakcrossing0(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing0'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - output [*]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %0 = load i32, ptr %arrayidx2, align 4
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; CHECK-NEXT: da analyze - flow [*|<]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx2, align 4 --> Dst: %0 = load i32, ptr %arrayidx2, align 4
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; CHECK-NEXT: da analyze - input [*]!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx2, align 4 --> Dst: store i32 %0, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %0, ptr %B.addr.02, align 4 --> Dst: store i32 %0, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - output [*]!
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;
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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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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 ptr [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = mul i64 %i.03, %n
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%add = add i64 %mul, 1
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %add
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store i32 %conv, ptr %arrayidx, align 4
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%mul1 = mul i64 %i.03, %n
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%sub = sub i64 1, %mul1
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%arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %sub
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%0 = load i32, ptr %arrayidx2, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.02, i64 1
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store i32 %0, ptr %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 < n; i++) {
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;; A[n + i] = i;
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;; *B++ = A[1 + n - i];
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define void @weakcrossing1(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing1'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - output [*]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %0 = load i32, ptr %arrayidx2, align 4
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; CHECK-NEXT: da analyze - flow [*|<]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx2, align 4 --> Dst: %0 = load i32, ptr %arrayidx2, align 4
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; CHECK-NEXT: da analyze - input [*]!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx2, align 4 --> Dst: store i32 %0, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %0, ptr %B.addr.02, align 4 --> Dst: store i32 %0, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - output [*]!
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;
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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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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 ptr [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%add = add i64 %i.03, %n
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %add
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store i32 %conv, ptr %arrayidx, align 4
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%add1 = add i64 %n, 1
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%sub = sub i64 %add1, %i.03
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%arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %sub
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%0 = load i32, ptr %arrayidx2, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.02, i64 1
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store i32 %0, ptr %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 < 3; i++) {
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;; A[i] = i;
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;; *B++ = A[6 - i];
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define void @weakcrossing2(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing2'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %0, ptr %B.addr.01, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - none!
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;
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entry:
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br label %for.body
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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 ptr [ %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, ptr %A, i64 %i.02
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store i32 %conv, ptr %arrayidx, align 4
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%sub = sub i64 6, %i.02
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%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %sub
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%0 = load i32, ptr %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
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store i32 %0, ptr %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 3
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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 < 4; i++) {
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;; A[i] = i;
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;; *B++ = A[6 - i];
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define void @weakcrossing3(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing3'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - flow [0|<]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %0, ptr %B.addr.01, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - none!
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;
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entry:
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br label %for.body
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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 ptr [ %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, ptr %A, i64 %i.02
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store i32 %conv, ptr %arrayidx, align 4
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%sub = sub i64 6, %i.02
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%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %sub
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%0 = load i32, ptr %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
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store i32 %0, ptr %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 4
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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 < 10; i++) {
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;; A[i] = i;
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;; *B++ = A[-6 - i];
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define void @weakcrossing4(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing4'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %0, ptr %B.addr.01, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - none!
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;
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entry:
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br label %for.body
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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 ptr [ %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, ptr %A, i64 %i.02
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store i32 %conv, ptr %arrayidx, align 4
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%sub = sub i64 -6, %i.02
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%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %sub
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%0 = load i32, ptr %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
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store i32 %0, ptr %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 10
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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[3*i] = i;
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;; *B++ = A[5 - 3*i];
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define void @weakcrossing5(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing5'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - output [*]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %1 = load i32, ptr %arrayidx2, align 4
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; CHECK-NEXT: da analyze - flow [*|<]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %1, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %1 = load i32, ptr %arrayidx2, align 4 --> Dst: %1 = load i32, ptr %arrayidx2, align 4
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; CHECK-NEXT: da analyze - input [*]!
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; CHECK-NEXT: Src: %1 = load i32, ptr %arrayidx2, align 4 --> Dst: store i32 %1, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %1, ptr %B.addr.02, align 4 --> Dst: store i32 %1, ptr %B.addr.02, align 4
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; CHECK-NEXT: da analyze - output [*]!
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;
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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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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 ptr [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = mul i64 %i.03, 3
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %mul
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store i32 %conv, ptr %arrayidx, align 4
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%0 = mul i64 %i.03, -3
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%sub = add i64 %0, 5
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%arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %sub
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%1 = load i32, ptr %arrayidx2, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.02, i64 1
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store i32 %1, ptr %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 < 4; i++) {
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;; A[i] = i;
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;; *B++ = A[5 - i];
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define void @weakcrossing6(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
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; CHECK-LABEL: 'weakcrossing6'
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %conv, ptr %arrayidx, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - flow [<>]!
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; CHECK-NEXT: Src: store i32 %conv, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: %0 = load i32, ptr %arrayidx1, align 4
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; CHECK-NEXT: da analyze - none!
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; CHECK-NEXT: Src: %0 = load i32, ptr %arrayidx1, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - confused!
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; CHECK-NEXT: Src: store i32 %0, ptr %B.addr.01, align 4 --> Dst: store i32 %0, ptr %B.addr.01, align 4
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; CHECK-NEXT: da analyze - none!
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;
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entry:
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br label %for.body
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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 ptr [ %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, ptr %A, i64 %i.02
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store i32 %conv, ptr %arrayidx, align 4
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%sub = sub i64 5, %i.02
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%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %sub
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%0 = load i32, ptr %arrayidx1, align 4
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%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
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store i32 %0, ptr %B.addr.01, align 4
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%inc = add i64 %i.02, 1
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%exitcond = icmp ne i64 %inc, 4
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br i1 %exitcond, label %for.body, label %for.end
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|
|
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for.end: ; preds = %for.body
|
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ret void
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}
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