Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopDistribute/outside-use.ll

@@ -1,69 +0,0 @@
-; RUN: opt -loop-distribute -enable-loop-distribute -verify-loop-info -verify-dom-info -S < %s \
-; RUN:   | FileCheck %s
-
-; Check that definitions used outside the loop are handled correctly: (1) they
-; are not dropped (2) when version the loop, a phi is added to merge the value
-; from the non-distributed loop and the distributed loop.
-;
-;   for (i = 0; i < n; i++) {
-;     A[i + 1] = A[i] * B[i];
-;   ==========================
-;     sum += C[i];
-;   }
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.10.0"
-
-@B = common global i32* null, align 8
-@A = common global i32* null, align 8
-@C = common global i32* null, align 8
-@D = common global i32* null, align 8
-@E = common global i32* null, align 8
-@SUM = common global i32 0, align 8
-
-define void @f() {
-entry:
-  %a = load i32*, i32** @A, align 8
-  %b = load i32*, i32** @B, align 8
-  %c = load i32*, i32** @C, align 8
-  %d = load i32*, i32** @D, align 8
-  %e = load i32*, i32** @E, align 8
-
-  br label %for.body
-
-; CHECK: for.body.ldist1:
-; CHECK:   %mulA.ldist1 = mul i32 %loadB.ldist1, %loadA.ldist1
-; CHECK: for.body.ph:
-; CHECK: for.body:
-; CHECK:   %sum_add = add nuw nsw i32 %sum, %loadC
-; CHECK: for.end:
-; CHECK:   %sum_add.lver = phi i32 [ %sum_add, %for.body ], [ %sum_add.lver.orig, %for.body.lver.orig ]
-
-for.body:                                         ; preds = %for.body, %entry
-  %ind = phi i64 [ 0, %entry ], [ %add, %for.body ]
-  %sum = phi i32 [ 0, %entry ], [ %sum_add, %for.body ]
-
-  %arrayidxA = getelementptr inbounds i32, i32* %a, i64 %ind
-  %loadA = load i32, i32* %arrayidxA, align 4
-
-  %arrayidxB = getelementptr inbounds i32, i32* %b, i64 %ind
-  %loadB = load i32, i32* %arrayidxB, align 4
-
-  %mulA = mul i32 %loadB, %loadA
-
-  %add = add nuw nsw i64 %ind, 1
-  %arrayidxA_plus_4 = getelementptr inbounds i32, i32* %a, i64 %add
-  store i32 %mulA, i32* %arrayidxA_plus_4, align 4
-
-  %arrayidxC = getelementptr inbounds i32, i32* %c, i64 %ind
-  %loadC = load i32, i32* %arrayidxC, align 4
-
-  %sum_add = add nuw nsw i32 %sum, %loadC
-
-  %exitcond = icmp eq i64 %add, 20
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  store i32 %sum_add, i32* @SUM, align 4
-  ret void
-}