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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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30
external/llvm/test/Transforms/LICM/extra-copies.ll vendored Normal file
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; RUN: opt < %s -licm -S | FileCheck %s
; RUN: opt -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' < %s -S | FileCheck %s
; PR19835
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i32 @f(i32 %x) {
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%storemerge4 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%mul = mul nsw i32 %x, %x
%add2 = add nsw i32 %mul, %x
%mul3 = add nsw i32 %add2, %mul
%inc = add nsw i32 %storemerge4, 1
%cmp = icmp slt i32 %inc, 100
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body
%a9.0.lcssa = phi i32 [ %mul3, %for.body ]
ret i32 %a9.0.lcssa
}
; Test that there is exactly one copy of mul nsw i32 %x, %x in the exit block.
; CHECK: define i32 @f(i32 [[X:%.*]])
; CHECK: for.end:
; CHECK-NOT: mul nsw i32 [[X]], [[X]]
; CHECK: mul nsw i32 [[X]], [[X]]
; CHECK-NOT: mul nsw i32 [[X]], [[X]]