Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/Transforms/LoopUnroll/peel-loop-negative.ll

@@ -1,28 +0,0 @@
-; RUN: opt < %s -S -loop-unroll -unroll-threshold=800 -unroll-peel-max-count=0 | FileCheck %s
-
-; We should not peel this loop even though we can, because the max count is set
-; to zero.
-define i32 @invariant_backedge_neg_1(i32 %a, i32 %b) {
-; CHECK-LABEL: @invariant_backedge_neg_1
-; CHECK-NOT    loop.peel{{.*}}:
-; CHECK:       loop:
-; CHECK:         %i = phi
-; CHECK:         %sum = phi
-; CHECK:         %plus = phi
-entry:
-  br label %loop
-
-loop:
-  %i = phi i32 [ 0, %entry ], [ %inc, %loop ]
-  %sum = phi i32 [ 0, %entry ], [ %incsum, %loop ]
-  %plus = phi i32 [ %a, %entry ], [ %b, %loop ]
-
-  %incsum = add i32 %sum, %plus
-  %inc = add i32 %i, 1
-  %cmp = icmp slt i32 %i, 1000
-
-  br i1 %cmp, label %loop, label %exit
-
-exit:
-  ret i32 %sum
-}