Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
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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; RUN: opt < %s -instcombine -simplifycfg -S | grep " = phi " | count 1
; instcombine should sort the PHI operands so that simplifycfg can see the
; duplicate and remove it.
define i32 @foo(i1 %t) {
entry:
call void @bar()
br i1 %t, label %true, label %false
true:
call void @bar()
br label %false
false:
%a = phi i32 [ 2, %true ], [ 5, %entry ]
%b = phi i32 [ 5, %entry ], [ 2, %true ]
call void @bar()
%c = add i32 %a, %b
ret i32 %c
}
declare void @bar()