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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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32
external/llvm-project/llvm/test/Transforms/SCCP/overdefined-div.ll vendored Normal file
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; RUN: opt < %s -sccp -S | FileCheck %s
; Test that SCCP has basic knowledge of when div can nuke overdefined values.
; 0 / X = 0 even if X is overdefined.
; CHECK-LABEL: test1
; CHECK-NEXT: ret i32 0
define i32 @test1(i32 %foo) {
%tinkywinky = udiv i32 0, %foo
ret i32 %tinkywinky
}
; CHECK-LABEL: test2
; CHECK-NEXT: ret i32 0
define i32 @test2(i32 %foo) {
%tinkywinky = sdiv i32 0, %foo
ret i32 %tinkywinky
}
; CHECK-LABEL: test3
; CHECK: ret i32 %tinkywinky
define i32 @test3(i32 %foo) {
%tinkywinky = udiv i32 %foo, 0
ret i32 %tinkywinky
}
; CHECK-LABEL: test4
; CHECK: ret i32 %tinkywinky
define i32 @test4(i32 %foo) {
%tinkywinky = sdiv i32 %foo, 0
ret i32 %tinkywinky
}