forked from OSchip/llvm-project
40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze -polly-delinearize < %s | FileCheck %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, double A[n][n]) {
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; for (long i = 0; i < n; i++)
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; A[i][i] = 1.0;
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; }
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; CHECK: p0: %n
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; CHECK-NOT: p1
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; CHECK: Domain :=
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; CHECK: [n] -> { Stmt_for_i[i0] : i0 >= 0 and i0 <= -1 + n };
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; CHECK: Scattering :=
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; CHECK: [n] -> { Stmt_for_i[i0] -> scattering[0, i0, 0] };
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; CHECK: MustWriteAccess :=
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; CHECK: [n] -> { Stmt_for_i[i0] -> MemRef_A[i0, i0] };
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define void @foo(i64 %n, 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 ]
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%tmp = mul nsw i64 %i, %n
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%vlaarrayidx.sum = add i64 %i, %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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%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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