mirror of
https://github.com/c64scene-ar/llvm-6502.git
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2f5f1c2ccb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208615 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.3 KiB
LLVM
44 lines
1.3 KiB
LLVM
; RUN: opt -basicaa -da -analyze -da-delinearize < %s
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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-unknown-linux-gnu"
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; Derived from the following code:
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;
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; void foo(long n, long m, double *A) {
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; for (long i = 0; i < n; i++)
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; for (long j = 0; j < m; j++)
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; *(A + i * n + j) = 1.0;
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; *(A + j * m + i) = 2.0;
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; }
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define void @foo(i64 %n, i64 %m, double* %A) {
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entry:
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br label %for.i
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for.i:
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%i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
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br label %for.j
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for.j:
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%j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
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%tmp = mul nsw i64 %i, %m
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%vlaarrayidx.sum = add i64 %j, %tmp
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%arrayidx = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum
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store double 1.0, double* %arrayidx
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%tmp1 = mul nsw i64 %j, %n
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%vlaarrayidx.sum1 = add i64 %i, %tmp1
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%arrayidx1 = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum1
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store double 1.0, double* %arrayidx1
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%j.inc = add nsw i64 %j, 1
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%j.exitcond = icmp eq i64 %j.inc, %m
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br i1 %j.exitcond, label %for.i.inc, label %for.j
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for.i.inc:
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%i.inc = add nsw i64 %i, 1
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%i.exitcond = icmp eq i64 %i.inc, %n
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br i1 %i.exitcond, label %end, label %for.i
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end:
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ret void
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}
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