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Diffstat (limited to 'test/Analysis/Delinearization/multidim_two_accesses_different_delinearization.ll')
-rw-r--r-- | test/Analysis/Delinearization/multidim_two_accesses_different_delinearization.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/Analysis/Delinearization/multidim_two_accesses_different_delinearization.ll b/test/Analysis/Delinearization/multidim_two_accesses_different_delinearization.ll new file mode 100644 index 0000000..6a98507 --- /dev/null +++ b/test/Analysis/Delinearization/multidim_two_accesses_different_delinearization.ll @@ -0,0 +1,43 @@ +; RUN: opt -basicaa -da -analyze -da-delinearize < %s +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-unknown-linux-gnu" + +; Derived from the following code: +; +; void foo(long n, long m, double *A) { +; for (long i = 0; i < n; i++) +; for (long j = 0; j < m; j++) +; *(A + i * n + j) = 1.0; +; *(A + j * m + i) = 2.0; +; } + +define void @foo(i64 %n, i64 %m, double* %A) { +entry: + br label %for.i + +for.i: + %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ] + br label %for.j + +for.j: + %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ] + %tmp = mul nsw i64 %i, %m + %vlaarrayidx.sum = add i64 %j, %tmp + %arrayidx = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum + store double 1.0, double* %arrayidx + %tmp1 = mul nsw i64 %j, %n + %vlaarrayidx.sum1 = add i64 %i, %tmp1 + %arrayidx1 = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum1 + store double 1.0, double* %arrayidx1 + %j.inc = add nsw i64 %j, 1 + %j.exitcond = icmp eq i64 %j.inc, %m + br i1 %j.exitcond, label %for.i.inc, label %for.j + +for.i.inc: + %i.inc = add nsw i64 %i, 1 + %i.exitcond = icmp eq i64 %i.inc, %n + br i1 %i.exitcond, label %end, label %for.i + +end: + ret void +} |