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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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46
external/llvm/test/Transforms/Reassociate/inverses.ll vendored Normal file
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; RUN: opt < %s -reassociate -die -S | FileCheck %s
define i32 @test1(i32 %a, i32 %b) {
%tmp.2 = and i32 %b, %a
%tmp.4 = xor i32 %a, -1
; (A&B)&~A == 0
%tmp.5 = and i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK-LABEL: @test1(
; CHECK: ret i32 0
}
define i32 @test2(i32 %a, i32 %b) {
%tmp.1 = and i32 %a, 1234
%tmp.2 = and i32 %b, %tmp.1
%tmp.4 = xor i32 %a, -1
; A&~A == 0
%tmp.5 = and i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK-LABEL: @test2(
; CHECK: ret i32 0
}
define i32 @test3(i32 %b, i32 %a) {
%tmp.1 = add i32 %a, 1234
%tmp.2 = add i32 %b, %tmp.1
%tmp.4 = sub i32 0, %a
; (b+(a+1234))+-a -> b+1234
%tmp.5 = add i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK-LABEL: @test3(
; CHECK: %tmp.5 = add i32 %b, 1234
; CHECK: ret i32 %tmp.5
}
define i32 @test4(i32 %b, i32 %a) {
%tmp.1 = add i32 %a, 1234
%tmp.2 = add i32 %b, %tmp.1
%tmp.4 = xor i32 %a, -1
; (b+(a+1234))+~a -> b+1233
%tmp.5 = add i32 %tmp.2, %tmp.4
ret i32 %tmp.5
; CHECK-LABEL: @test4(
; CHECK: %tmp.5 = add i32 %b, 1233
; CHECK: ret i32 %tmp.5
}