Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopStrengthReduce/pr18165.ll

@@ -1,88 +0,0 @@
-; RUN: opt < %s -loop-reduce -S | FileCheck %s
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.9.0"
-
-; LSR shouldn't reuse IV if the resultant offset is not valid for the operand type.
-; CHECK-NOT: trunc i32 %.ph to i8
-
-%struct.anon = type { i32, i32, i32 }
-
-@c = global i32 1, align 4
-@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
-@b = common global i32 0, align 4
-@a = common global %struct.anon zeroinitializer, align 4
-@e = common global %struct.anon zeroinitializer, align 4
-@d = common global i32 0, align 4
-@f = common global i32 0, align 4
-@g = common global i32 0, align 4
-@h = common global i32 0, align 4
-
-; Function Attrs: nounwind optsize ssp uwtable
-define i32 @main() #0 {
-entry:
-  %0 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i64 0, i32 0), align 4, !tbaa !1
-  %tobool7.i = icmp eq i32 %0, 0
-  %.promoted.i = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i64 0, i32 2), align 4, !tbaa !6
-  %f.promoted.i = load i32, i32* @f, align 4, !tbaa !7
-  br label %for.body6.i.outer
-
-for.body6.i.outer:                                ; preds = %entry, %lor.end.i
-  %.ph = phi i32 [ %add.i, %lor.end.i ], [ 0, %entry ]
-  %or1512.i.ph = phi i32 [ %or15.i, %lor.end.i ], [ %f.promoted.i, %entry ]
-  %or1410.i.ph = phi i32 [ %or14.i, %lor.end.i ], [ %.promoted.i, %entry ]
-  %p.addr.16.i.ph = phi i8 [ %inc10.i, %lor.end.i ], [ -128, %entry ]
-  br i1 %tobool7.i, label %if.end9.i, label %lbl.loopexit.i
-
-lbl.loopexit.i:                                   ; preds = %for.body6.i.outer, %lbl.loopexit.i
-  br label %lbl.loopexit.i
-
-if.end9.i:                                        ; preds = %for.body6.i.outer
-  %inc10.i = add i8 %p.addr.16.i.ph, 1
-  %tobool12.i = icmp eq i8 %p.addr.16.i.ph, 0
-  br i1 %tobool12.i, label %lor.rhs.i, label %lor.end.i
-
-lor.rhs.i:                                        ; preds = %if.end9.i
-  %1 = load i32, i32* @b, align 4, !tbaa !7
-  %dec.i = add nsw i32 %1, -1
-  store i32 %dec.i, i32* @b, align 4, !tbaa !7
-  %tobool13.i = icmp ne i32 %1, 0
-  br label %lor.end.i
-
-lor.end.i:                                        ; preds = %lor.rhs.i, %if.end9.i
-  %2 = phi i1 [ true, %if.end9.i ], [ %tobool13.i, %lor.rhs.i ]
-  %lor.ext.i = zext i1 %2 to i32
-  %or14.i = or i32 %lor.ext.i, %or1410.i.ph
-  %or15.i = or i32 %or14.i, %or1512.i.ph
-  %add.i = add nsw i32 %.ph, 2
-  %cmp.i = icmp slt i32 %add.i, 21
-  br i1 %cmp.i, label %for.body6.i.outer, label %fn1.exit
-
-fn1.exit:                                         ; preds = %lor.end.i
-  store i32 0, i32* @g, align 4, !tbaa !7
-  store i32 %or14.i, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i64 0, i32 2), align 4, !tbaa !6
-  store i32 %or15.i, i32* @f, align 4, !tbaa !7
-  store i32 %add.i, i32* getelementptr inbounds (%struct.anon, %struct.anon* @e, i64 0, i32 1), align 4, !tbaa !8
-  store i32 0, i32* @h, align 4, !tbaa !7
-  %3 = load i32, i32* @b, align 4, !tbaa !7
-  %call1 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %3) #2
-  ret i32 0
-}
-
-; Function Attrs: nounwind optsize
-declare i32 @printf(i8* nocapture readonly, ...) #1
-
-attributes #0 = { nounwind optsize ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #2 = { nounwind optsize }
-
-!llvm.ident = !{!0}
-
-!0 = !{!"clang version 3.5 "}
-!1 = !{!2, !3, i64 0}
-!2 = !{!"", !3, i64 0, !3, i64 4, !3, i64 8}
-!3 = !{!"int", !4, i64 0}
-!4 = !{!"omnipotent char", !5, i64 0}
-!5 = !{!"Simple C/C++ TBAA"}
-!6 = !{!2, !3, i64 8}
-!7 = !{!3, !3, i64 0}
-!8 = !{!2, !3, i64 4}