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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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31
external/llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll vendored
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@@ -1,31 +0,0 @@
; RUN: opt < %s -reassociate -constprop -instcombine -dce -S | FileCheck %s
; With sub reassociation, constant folding can eliminate all of the constants.
define i32 @test1(i32 %A, i32 %B) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[Z:%.*]] = sub i32 %A, %B
; CHECK-NEXT: ret i32 [[Z]]
;
%W = add i32 5, %B
%X = add i32 -7, %A
%Y = sub i32 %X, %W
%Z = add i32 %Y, 12
ret i32 %Z
}
; With sub reassociation, constant folding can eliminate the two 12 constants.
define i32 @test2(i32 %A, i32 %B, i32 %C, i32 %D) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[SUM:%.*]] = add i32 %B, %A
; CHECK-NEXT: [[SUM1:%.*]] = add i32 [[SUM]], %C
; CHECK-NEXT: [[Q:%.*]] = sub i32 %D, [[SUM1]]
; CHECK-NEXT: ret i32 [[Q]]
;
%M = add i32 %A, 12
%N = add i32 %M, %B
%O = add i32 %N, %C
%P = sub i32 %D, %O
%Q = add i32 %P, 12
ret i32 %Q
}