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Diffstat (limited to 'llvm/test/Transforms/LoopLoadElim/forward.ll')
-rw-r--r-- | llvm/test/Transforms/LoopLoadElim/forward.ll | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/llvm/test/Transforms/LoopLoadElim/forward.ll b/llvm/test/Transforms/LoopLoadElim/forward.ll deleted file mode 100644 index 0b270cab3ed..00000000000 --- a/llvm/test/Transforms/LoopLoadElim/forward.ll +++ /dev/null @@ -1,48 +0,0 @@ -; RUN: opt -loop-load-elim -S < %s | FileCheck %s -; RUN: opt -passes=loop-load-elim -S < %s | FileCheck %s - -; Simple st->ld forwarding derived from a lexical forward dep. -; -; for (unsigned i = 0; i < 100; i++) { -; A[i+1] = B[i] + 2; -; C[i] = A[i] * 2; -; } - -target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" - -define void @f(i32* %A, i32* %B, i32* %C, i64 %N) { - -; CHECK: for.body.lver.check: -; CHECK: %found.conflict{{.*}} = -; CHECK-NOT: %found.conflict{{.*}} = - -entry: -; Make sure the hoisted load keeps the alignment -; CHECK: %load_initial = load i32, i32* %A, align 1 - br label %for.body - -for.body: ; preds = %for.body, %entry -; CHECK: %store_forwarded = phi i32 [ %load_initial, %for.body.ph ], [ %a_p1, %for.body ] - %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] - %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 - - %Aidx_next = getelementptr inbounds i32, i32* %A, i64 %indvars.iv.next - %Bidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv - %Cidx = getelementptr inbounds i32, i32* %C, i64 %indvars.iv - %Aidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv - - %b = load i32, i32* %Bidx, align 4 - %a_p1 = add i32 %b, 2 - store i32 %a_p1, i32* %Aidx_next, align 4 - - %a = load i32, i32* %Aidx, align 1 -; CHECK: %c = mul i32 %store_forwarded, 2 - %c = mul i32 %a, 2 - store i32 %c, i32* %Cidx, align 4 - - %exitcond = icmp eq i64 %indvars.iv.next, %N - br i1 %exitcond, label %for.end, label %for.body - -for.end: ; preds = %for.body - ret void -} |