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llvm-project/polly/test/ScopInfo/non_affine_access.ll

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[polly] Introduce -polly-print-* passes to replace -analyze. The `opt -analyze` option only works with the legacy pass manager and might be removed in the future, as explained in llvm.org/PR53733. This patch introduced -polly-print-* passes that print what the pass would print with the `-analyze` option and replaces all uses of `-analyze` in the regression tests. There are two exceptions: `CodeGen\single_loop_param_less_equal.ll` and `CodeGen\loop_with_condition_nested.ll` use `-analyze on the `-loops` pass which is not part of Polly. Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D120782
2022-03-14 21:39:25 +08:00
; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
; RUN: opt %loadPolly -polly-print-scops -polly-allow-nonaffine -disable-output < %s | FileCheck %s -check-prefix=NONAFFINE
Improve test coverage for non-affine access functions We now verify that such functions are correctly detected even in combination with delinearization. This change is added to ensure we have good test coverage for the subsequent delinearization fix. We also remove unnecessary instructions from the test case. llvm-svn: 217664
2014-09-12 17:07:56 +08:00
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"
; void foo(long *A) {
; for (i = 0; i < 1024; i++)
; A[i * i] = i;
;
define void @foo(i64 *%A) nounwind uwtable ssp {
entry:
br label %entry.split
entry.split: ; preds = %entry
br label %for.body
for.body: ; preds = %entry.split, %for.body
%indvar = phi i64 [ 0, %entry.split ], [ %indvar.next, %for.body ]
%mul = mul nsw i64 %indvar, %indvar
Update Polly tests to handle explicitly typed gep changes in LLVM llvm-svn: 230784
2015-02-28 03:20:19 +08:00
%arrayidx = getelementptr inbounds i64, i64* %A, i64 %mul
Improve test coverage for non-affine access functions We now verify that such functions are correctly detected even in combination with delinearization. This change is added to ensure we have good test coverage for the subsequent delinearization fix. We also remove unnecessary instructions from the test case. llvm-svn: 217664
2014-09-12 17:07:56 +08:00
store i64 %indvar, i64* %arrayidx, align 4
%indvar.next = add nsw i64 %indvar, 1
%exitcond = icmp ne i64 %indvar.next, 1024
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.body
ret void
}
; CHECK-NOT: Stmt_for_body
Do not use wrapping ranges to bound non-affine accesses When deriving the range of valid values of a scalar evolution expression might be a range [12, 8), where the upper bound is smaller than the lower bound and where the range is expected to possibly wrap around. We theoretically could model such a range as a union of two non-wrapping ranges, but do not do this as of yet. Instead, we just do not derive any bounds. Before this change, we could have obtained bounds where the maximal possible value is strictly smaller than the minimal possible value, which is incorrect and also caused assertions during scop modeling. llvm-svn: 294891
2017-02-12 16:11:12 +08:00
; NONAFFINE: { Stmt_for_body[i0] -> MemRef_A[o0] };