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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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28
external/llvm/test/Transforms/SimplifyCFG/DeadSetCC.ll vendored Normal file
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@@ -0,0 +1,28 @@
; RUN: opt < %s -simplifycfg -S | \
; RUN: not grep "icmp eq"
; Check that simplifycfg deletes a dead 'seteq' instruction when it
; folds a conditional branch into a switch instruction.
declare void @foo()
declare void @bar()
define void @testcfg(i32 %V) {
%C = icmp eq i32 %V, 18 ; <i1> [#uses=1]
%D = icmp eq i32 %V, 180 ; <i1> [#uses=1]
%E = or i1 %C, %D ; <i1> [#uses=1]
br i1 %E, label %L1, label %Sw
Sw: ; preds = %0
switch i32 %V, label %L1 [
i32 15, label %L2
i32 16, label %L2
]
L1: ; preds = %Sw, %0
call void @foo( )
ret void
L2: ; preds = %Sw, %Sw
call void @bar( )
ret void
}