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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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24
external/llvm/test/CodeGen/AArch64/tailcall-ccmismatch.ll vendored Normal file
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@@ -0,0 +1,24 @@
; RUN: llc -o - %s | FileCheck %s
target triple="aarch64--"
declare void @somefunc()
define preserve_mostcc void @test_ccmismatch_notail() {
; Ensure that no tail call is used here, as the called function somefunc does
; not preserve enough registers for preserve_mostcc.
; CHECK-LABEL: test_ccmismatch_notail:
; CHECK-NOT: b somefunc
; CHECK: bl somefunc
tail call void @somefunc()
ret void
}
declare preserve_mostcc void @some_preserve_most_func()
define void @test_ccmismatch_tail() {
; We can perform a tail call here, because some_preserve_most_func preserves
; all registers necessary for test_ccmismatch_tail.
; CHECK-LABEL: test_ccmismatch_tail:
; CHECK-NOT: bl some_preserve_most_func
; CHECK: b some_preserve_most_func
tail call preserve_mostcc void @some_preserve_most_func()
ret void
}