Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopStrengthReduce/shl.ll

@@ -1,38 +0,0 @@
-; RUN: opt < %s -loop-reduce -gvn -S | FileCheck %s
-
-target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
-
-define void @_Z3fooPfll(float* nocapture readonly %input, i64 %n, i64 %s) {
-; CHECK-LABEL: @_Z3fooPfll(
-entry:
-  %mul = shl nsw i64 %s, 2
-; CHECK: %mul = shl i64 %s, 2
-  tail call void @_Z3bazl(i64 %mul) #2
-; CHECK-NEXT: call void @_Z3bazl(i64 %mul)
-  %cmp.5 = icmp sgt i64 %n, 0
-  br i1 %cmp.5, label %for.body.preheader, label %for.cond.cleanup
-
-for.body.preheader:                               ; preds = %entry
-  br label %for.body
-
-for.cond.cleanup.loopexit:                        ; preds = %for.body
-  br label %for.cond.cleanup
-
-for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
-  ret void
-
-for.body:                                         ; preds = %for.body.preheader, %for.body
-  %i.06 = phi i64 [ %add, %for.body ], [ 0, %for.body.preheader ]
-  %arrayidx = getelementptr inbounds float, float* %input, i64 %i.06
-; LoopStrengthReduce should reuse %mul as the stride.
-; CHECK: getelementptr i1, i1* {{[^,]+}}, i64 %mul
-  %0 = load float, float* %arrayidx, align 4
-  tail call void @_Z3barf(float %0) #2
-  %add = add nsw i64 %i.06, %s
-  %cmp = icmp slt i64 %add, %n
-  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
-}
-
-declare void @_Z3bazl(i64)
-
-declare void @_Z3barf(float)