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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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27
external/llvm/test/Transforms/SimplifyCFG/PhiNoEliminate.ll vendored Normal file
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@@ -0,0 +1,27 @@
; RUN: opt < %s -simplifycfg -S | \
; RUN: not grep select
;; The PHI node in this example should not be turned into a select, as we are
;; not able to ifcvt the entire block. As such, converting to a select just
;; introduces inefficiency without saving copies.
define i32 @bar(i1 %C) {
entry:
br i1 %C, label %then, label %endif
then: ; preds = %entry
%tmp.3 = call i32 @qux( ) ; <i32> [#uses=0]
br label %endif
endif: ; preds = %then, %entry
%R = phi i32 [ 123, %entry ], [ 12312, %then ] ; <i32> [#uses=1]
;; stuff to disable tail duplication
call i32 @qux( ) ; <i32>:0 [#uses=0]
call i32 @qux( ) ; <i32>:1 [#uses=0]
call i32 @qux( ) ; <i32>:2 [#uses=0]
call i32 @qux( ) ; <i32>:3 [#uses=0]
call i32 @qux( ) ; <i32>:4 [#uses=0]
call i32 @qux( ) ; <i32>:5 [#uses=0]
call i32 @qux( ) ; <i32>:6 [#uses=0]
ret i32 %R
}
declare i32 @qux()