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Diffstat (limited to 'llvm/test/Transforms/LoopUnroll/ephemeral.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopUnroll/ephemeral.ll | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/llvm/test/Transforms/LoopUnroll/ephemeral.ll b/llvm/test/Transforms/LoopUnroll/ephemeral.ll deleted file mode 100644 index d16eba7a964..00000000000 --- a/llvm/test/Transforms/LoopUnroll/ephemeral.ll +++ /dev/null @@ -1,44 +0,0 @@ -; RUN: opt < %s -S -loop-unroll -unroll-threshold=50 | FileCheck %s - -; Make sure this loop is completely unrolled... -; CHECK-LABEL: @test1 -; CHECK: for.body: -; CHECK-NOT: for.end: - -define i32 @test1(i32* nocapture %a) nounwind uwtable readonly { -entry: - br label %for.body - -for.body: ; preds = %for.body, %entry - %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] - %sum.01 = phi i32 [ 0, %entry ], [ %add, %for.body ] - %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv - %0 = load i32, i32* %arrayidx, align 4 - - ; This loop will be completely unrolled, even with these extra instructions, - ; but only because they're ephemeral (and, thus, free). - %1 = add nsw i32 %0, 2 - %2 = add nsw i32 %1, 4 - %3 = add nsw i32 %2, 4 - %4 = add nsw i32 %3, 4 - %5 = add nsw i32 %4, 4 - %6 = add nsw i32 %5, 4 - %7 = add nsw i32 %6, 4 - %8 = add nsw i32 %7, 4 - %9 = add nsw i32 %8, 4 - %10 = add nsw i32 %9, 4 - %ca = icmp sgt i32 %10, -7 - call void @llvm.assume(i1 %ca) - - %add = add nsw i32 %0, %sum.01 - %indvars.iv.next = add i64 %indvars.iv, 1 - %lftr.wideiv = trunc i64 %indvars.iv.next to i32 - %exitcond = icmp eq i32 %lftr.wideiv, 5 - br i1 %exitcond, label %for.end, label %for.body - -for.end: ; preds = %for.body - ret i32 %add -} - -declare void @llvm.assume(i1) nounwind - |
