Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions

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; RUN: llc -fast-isel -pass-remarks-missed=isel -pass-remarks-missed=isel \
; RUN: -mtriple arm64-- < %s 2> %t | FileCheck %s
; RUN: cat %t | FileCheck %s --check-prefix MISSED
%struct = type { [4 x i32] }
declare %struct @external()
; Check that, when fastisel falls back to SDAG, we don't emit instructions
; that follow a tail-call and would have been dropped by pure SDAGISel.
; Here, the %struct extractvalue should fail FastISel.
; MISSED: FastISel missed: %tmp1 = extractvalue %struct %tmp0, 0
; CHECK-LABEL: test:
; CHECK: b external
; CHECK-NEXT: .Lfunc_end0:
define i32 @test() nounwind {
%tmp0 = tail call %struct @external()
%tmp1 = extractvalue %struct %tmp0, 0
%tmp2 = extractvalue [4 x i32] %tmp1, 0
ret i32 %tmp2
}