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Imported Upstream version 5.18.0.234

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Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f
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Xamarin Public Jenkins (auto-signing)
2019-01-08 08:22:36 +00:00
parent f32dbaf0b2
commit 212f6bafcb
28494 changed files with 359 additions and 3867025 deletions
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43
external/llvm/test/Transforms/IndVarSimplify/variable-stride-ivs-0.ll vendored
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@@ -1,43 +0,0 @@
; RUN: opt < %s -indvars -instcombine -S | FileCheck %s
;
; Test that -indvars can reduce variable stride IVs. If it can reduce variable
; stride iv's, it will make %iv. and %m.0.0 isomorphic to each other without
; cycles, allowing the tmp.21 subtraction to be eliminated.
define void @vnum_test8(i32* %data) {
entry:
%tmp.1 = getelementptr i32, i32* %data, i32 3 ; <i32*> [#uses=1]
%tmp.2 = load i32, i32* %tmp.1 ; <i32> [#uses=2]
%tmp.4 = getelementptr i32, i32* %data, i32 4 ; <i32*> [#uses=1]
%tmp.5 = load i32, i32* %tmp.4 ; <i32> [#uses=2]
%tmp.8 = getelementptr i32, i32* %data, i32 2 ; <i32*> [#uses=1]
%tmp.9 = load i32, i32* %tmp.8 ; <i32> [#uses=3]
%tmp.125 = icmp sgt i32 %tmp.2, 0 ; <i1> [#uses=1]
br i1 %tmp.125, label %no_exit.preheader, label %return
no_exit.preheader: ; preds = %entry
%tmp.16 = getelementptr i32, i32* %data, i32 %tmp.9 ; <i32*> [#uses=1]
br label %no_exit
; CHECK: store i32 0
no_exit: ; preds = %no_exit, %no_exit.preheader
%iv.ui = phi i32 [ 0, %no_exit.preheader ], [ %iv..inc.ui, %no_exit ] ; <i32> [#uses=1]
%iv. = phi i32 [ %tmp.5, %no_exit.preheader ], [ %iv..inc, %no_exit ] ; <i32> [#uses=2]
%m.0.0 = phi i32 [ %tmp.5, %no_exit.preheader ], [ %tmp.24, %no_exit ] ; <i32> [#uses=2]
store i32 2, i32* %tmp.16
%tmp.21 = sub i32 %m.0.0, %iv. ; <i32> [#uses=1]
store i32 %tmp.21, i32* %data
%tmp.24 = add i32 %m.0.0, %tmp.9 ; <i32> [#uses=1]
%iv..inc = add i32 %tmp.9, %iv. ; <i32> [#uses=1]
%iv..inc.ui = add i32 %iv.ui, 1 ; <i32> [#uses=2]
%iv..inc1 = bitcast i32 %iv..inc.ui to i32 ; <i32> [#uses=1]
%tmp.12 = icmp slt i32 %iv..inc1, %tmp.2 ; <i1> [#uses=1]
br i1 %tmp.12, label %no_exit, label %return.loopexit
return.loopexit: ; preds = %no_exit
br label %return
return: ; preds = %return.loopexit, %entry
ret void
}