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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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34
external/llvm/test/Analysis/ValueTracking/known-bits-from-range-md.ll vendored Normal file
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; RUN: opt -S -instsimplify -instcombine < %s | FileCheck %s
define i1 @test0(i8* %ptr) {
; CHECK-LABEL: @test0(
entry:
%val = load i8, i8* %ptr, !range !{i8 -50, i8 0}
%and = and i8 %val, 128
%is.eq = icmp eq i8 %and, 128
ret i1 %is.eq
; CHECK: ret i1 true
}
define i1 @test1(i8* %ptr) {
; CHECK-LABEL: @test1(
entry:
%val = load i8, i8* %ptr, !range !{i8 64, i8 128}
%and = and i8 %val, 64
%is.eq = icmp eq i8 %and, 64
ret i1 %is.eq
; CHECK: ret i1 true
}
define i1 @test2(i8* %ptr) {
; CHECK-LABEL: @test2(
entry:
; CHECK: %val = load i8
; CHECK: %and = and i8 %val
; CHECK: %is.eq = icmp ne i8 %and, 0
; CHECK: ret i1 %is.eq
%val = load i8, i8* %ptr, !range !{i8 64, i8 129}
%and = and i8 %val, 64
%is.eq = icmp eq i8 %and, 64
ret i1 %is.eq
}