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

View File

@ -0,0 +1,29 @@
; RUN: opt < %s -tailcallelim -S | FileCheck %s
; Test that we don't tail call in a functions that calls returns_twice
; functions.
declare void @bar()
; CHECK: foo1
; CHECK-NOT: tail call void @bar()
define void @foo1(i32* %x) {
bb:
%tmp75 = tail call i32 @setjmp(i32* %x)
call void @bar()
ret void
}
declare i32 @setjmp(i32*) returns_twice
; CHECK: foo2
; CHECK-NOT: tail call void @bar()
define void @foo2(i32* %x) {
bb:
%tmp75 = tail call i32 @zed2(i32* %x)
call void @bar()
ret void
}
declare i32 @zed2(i32*) returns_twice