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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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27
external/llvm/test/CodeGen/AArch64/bitcast.ll vendored
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@ -1,27 +0,0 @@
; RUN: llc < %s -mtriple=aarch64--linux-gnu | FileCheck %s
; PR23065: SCALAR_TO_VECTOR implies the top elements 1 to N-1 of the N-element vector are undefined.
define <4 x i16> @foo1(<2 x i32> %a) {
; CHECK-LABEL: foo1:
; CHECK: movi d0, #0000000000000000
; CHECK-NEXT: ret
%1 = shufflevector <2 x i32> <i32 58712, i32 undef>, <2 x i32> %a, <2 x i32> <i32 0, i32 2>
; Can't optimize the following bitcast to scalar_to_vector.
%2 = bitcast <2 x i32> %1 to <4 x i16>
%3 = shufflevector <4 x i16> %2, <4 x i16> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
ret <4 x i16> %3
}
define <4 x i16> @foo2(<2 x i32> %a) {
; CHECK-LABEL: foo2:
; CHECK: movi d0, #0000000000000000
; CHECK-NEXT: ret
%1 = shufflevector <2 x i32> <i32 712, i32 undef>, <2 x i32> %a, <2 x i32> <i32 0, i32 2>
; Can't optimize the following bitcast to scalar_to_vector.
%2 = bitcast <2 x i32> %1 to <4 x i16>
%3 = shufflevector <4 x i16> %2, <4 x i16> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
ret <4 x i16> %3
}