diff options
author | Tobias Grosser <tobias@grosser.es> | 2015-10-12 08:02:00 +0000 |
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committer | Tobias Grosser <tobias@grosser.es> | 2015-10-12 08:02:00 +0000 |
commit | 87cb71d23ec5fcdf9d94727f4f917c8853eed2c6 (patch) | |
tree | 2db640f076ea18661268de1b50a2662eda3c7752 /test/Analysis/Delinearization/parameter_addrec_product.ll | |
parent | 0dcd516b64fa28ad83e5df4c71c5852cfe9d5683 (diff) |
SCEV: Allow simple AddRec * Parameter products in delinearization
This patch also allows the -delinearize pass to delinearize expressions that do
not have an outermost SCEVAddRec expression. The SCEV::delinearize
infrastructure allowed this since r240952, but the -delinearize pass was not
updated yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250018 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/Delinearization/parameter_addrec_product.ll')
-rw-r--r-- | test/Analysis/Delinearization/parameter_addrec_product.ll | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/Analysis/Delinearization/parameter_addrec_product.ll b/test/Analysis/Delinearization/parameter_addrec_product.ll new file mode 100644 index 00000000000..561158eae73 --- /dev/null +++ b/test/Analysis/Delinearization/parameter_addrec_product.ll @@ -0,0 +1,56 @@ +; RUN: opt -delinearize -analyze < %s | FileCheck %s +; +; void foo(float *A, long *p) { +; for (long i = 0; i < 100; i++) +; for (long j = 0; j < 100; j++) +; A[i * (*p) + j] += i + j; +; } +; +; CHECK: ArrayDecl[UnknownSize][%pval] with elements of 4 bytes. +; CHECK: ArrayRef[{0,+,1}<nuw><nsw><%bb2>][{0,+,1}<nuw><nsw><%bb4>] +; +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" + +define void @foo(float* %A, i64* %p) { +bb: + br label %bb2 + +bb2: ; preds = %bb16, %bb + %i.0 = phi i64 [ 0, %bb ], [ %tmp17, %bb16 ] + %exitcond1 = icmp ne i64 %i.0, 100 + br i1 %exitcond1, label %bb3, label %bb18 + +bb3: ; preds = %bb2 + br label %bb4 + +bb4: ; preds = %bb13, %bb3 + %j.0 = phi i64 [ 0, %bb3 ], [ %tmp14, %bb13 ] + %exitcond = icmp ne i64 %j.0, 100 + br i1 %exitcond, label %bb5, label %bb15 + +bb5: ; preds = %bb4 + %tmp = add nuw nsw i64 %i.0, %j.0 + %tmp6 = sitofp i64 %tmp to float + %pval = load i64, i64* %p, align 8 + %tmp8 = mul nsw i64 %i.0, %pval + %tmp9 = add nsw i64 %tmp8, %j.0 + %tmp10 = getelementptr inbounds float, float* %A, i64 %tmp9 + %tmp11 = load float, float* %tmp10, align 4 + %tmp12 = fadd float %tmp11, %tmp6 + store float %tmp12, float* %tmp10, align 4 + br label %bb13 + +bb13: ; preds = %bb5 + %tmp14 = add nuw nsw i64 %j.0, 1 + br label %bb4 + +bb15: ; preds = %bb4 + br label %bb16 + +bb16: ; preds = %bb15 + %tmp17 = add nuw nsw i64 %i.0, 1 + br label %bb2 + +bb18: ; preds = %bb2 + ret void +} |