Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopLoadElim/cond-load.ll

@@ -1,42 +0,0 @@
-; RUN: opt -S -loop-load-elim < %s | FileCheck %s
-
-; We can't hoist conditional loads to the preheader for the initial value.
-; E.g. in the loop below we'd access array[-1] if we did:
-;
-;   for(int i = 0 ; i < n ; i++ )
-;     array[i] = ( i > 0 ? array[i - 1] : 0 ) + 4;
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.11.0"
-
-define void @f(i32* %array, i32 %n) {
-entry:
-  %cmp10 = icmp sgt i32 %n, 0
-  br i1 %cmp10, label %for.body, label %for.cond.cleanup
-
-for.cond.cleanup:                                 ; preds = %cond.end, %entry
-  ret void
-
-for.body:                                         ; preds = %entry, %cond.end
-  %indvars.iv = phi i64 [ %indvars.iv.next, %cond.end ], [ 0, %entry ]
-; CHECK-NOT: %store_forwarded = phi
-  %cmp1 = icmp sgt i64 %indvars.iv, 0
-  br i1 %cmp1, label %cond.true, label %cond.end
-
-cond.true:                                        ; preds = %for.body
-  %0 = add nsw i64 %indvars.iv, -1
-  %arrayidx = getelementptr inbounds i32, i32* %array, i64 %0
-  %1 = load i32, i32* %arrayidx, align 4
-  br label %cond.end
-
-cond.end:                                         ; preds = %for.body, %cond.true
-  %cond = phi i32 [ %1, %cond.true ], [ 0, %for.body ]
-; CHECK: %cond = phi i32 [ %1, %cond.true ], [ 0, %for.body ]
-  %add = add nsw i32 %cond, 4
-  %arrayidx3 = getelementptr inbounds i32, i32* %array, i64 %indvars.iv
-  store i32 %add, i32* %arrayidx3, align 4
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, %n
-  br i1 %exitcond, label %for.cond.cleanup, label %for.body
-}