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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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28
external/llvm/test/Transforms/Reassociate/subtest.ll vendored
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@ -1,28 +0,0 @@
; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
; With sub reassociation, constant folding can eliminate the 12 and -12 constants.
define i32 @test1(i32 %A, i32 %B) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[Z:%.*]] = sub i32 %A, %B
; CHECK-NEXT: ret i32 [[Z]]
;
%X = add i32 -12, %A
%Y = sub i32 %X, %B
%Z = add i32 %Y, 12
ret i32 %Z
}
; PR2047
; With sub reassociation, constant folding can eliminate the uses of %a.
define i32 @test2(i32 %a, i32 %b, i32 %c) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[SUM:%.*]] = add i32 %c, %b
; CHECK-NEXT: [[TMP7:%.*]] = sub i32 0, [[SUM]]
; CHECK-NEXT: ret i32 [[TMP7]]
;
%tmp3 = sub i32 %a, %b
%tmp5 = sub i32 %tmp3, %c
%tmp7 = sub i32 %tmp5, %a
ret i32 %tmp7
}