Revert "[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll a loop"

This reverts commit r284044.

llvm-svn: 284051

1 files changed, 0 insertions, 43 deletions

diff --git a/llvm/test/Transforms/LoopUnroll/AArch64/full-unroll-trip-count-upper-bound.ll b/llvm/test/Transforms/LoopUnroll/AArch64/full-unroll-trip-count-upper-bound.ll
deleted file mode 100644
index 5c70a2668db..00000000000
--- a/llvm/test/Transforms/LoopUnroll/AArch64/full-unroll-trip-count-upper-bound.ll
+++ /dev/null
@@ -1,43 +0,0 @@
-; RUN: opt -loop-unroll -S -mtriple aarch64 -mcpu=cortex-a57 %s | FileCheck %s -check-prefix=UNROLL
-; RUN: opt -loop-unroll -unroll-max-upperbound=0 -S -mtriple aarch64 -mcpu=cortex-a57 %s | FileCheck %s -check-prefix=NOUNROLL
-
-; This IR comes from this C code:
-;
-;   for (int i = 0; i < 4; i++) {
-;     if (src[i] == 1) {
-;       *dst = i;
-;       break;
-;     }
-;   }
-;
-; This test is meant to check that this loop is unrolled into four iterations.
-
-; UNROLL-LABEL: @test
-; UNROLL: load i32, i32*
-; UNROLL: load i32, i32*
-; UNROLL: load i32, i32*
-; UNROLL: load i32, i32*
-; UNROLL-NOT: load i32, i32*
-; NOUNROLL-LABEL: @test
-; NOUNROLL: load i32, i32*
-; NOUNROLL-NOT: load i32, i32*
-
-define void @test(i32* %dst, i32* %src) {
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %entry, %for.body
-  %i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
-  %0 = sext i32 %i to i64
-  %1 = getelementptr inbounds i32, i32* %src, i64 %0
-  %2 = load i32, i32* %1
-  %inc = add nsw i32 %i, 1
-  %cmp1 = icmp slt i32 %inc, 4
-  %cmp3 = icmp eq i32 %2, 1 
-  %or.cond = and i1 %cmp3, %cmp1
-  br i1 %or.cond, label %for.body, label %exit
-
-exit:                                          ; preds = %for.body
-  store i32 %i, i32* %dst
-  ret void
-}