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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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28
external/llvm-project/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
}