Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions

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@@ -1,28 +0,0 @@
; RUN: llc -march=hexagon -O2 -disable-cgp < %s
; REQUIRES: asserts
;
; Tail duplication can ignore subregister information on PHI nodes, and as
; a result, generate COPY instructions between registers of different classes.
; This could lead to HexagonInstrInfo::copyPhysReg aborting on an unhandled
; src/dst combination.
;
define i32 @foo(i32 %x, i64 %y) nounwind {
entry:
%a = icmp slt i32 %x, 0
%lo = trunc i64 %y to i32
br i1 %a, label %next, label %tail
tail:
br label %join
next:
%c = icmp eq i32 %x, 0
br i1 %c, label %b1, label %tail
b1:
%t1 = lshr i64 %y, 32
%hi = trunc i64 %t1 to i32
br label %join
join:
%val = phi i32 [ %hi, %b1 ], [ %lo, %tail ]
ret i32 %val
}