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Imported Upstream version 5.18.0.182

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Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1
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Xamarin Public Jenkins (auto-signing)
2018-10-26 08:32:15 +00:00
parent 8625704ad8
commit b716dc8d12
28490 changed files with 76 additions and 3866845 deletions
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19
external/llvm/test/CodeGen/X86/overlap-shift.ll vendored
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;; X's live range extends beyond the shift, so the register allocator
;; cannot coalesce it with Y. Because of this, a copy needs to be
;; emitted before the shift to save the register value before it is
;; clobbered. However, this copy is not needed if the register
;; allocator turns the shift into an LEA. This also occurs for ADD.
; Check that the shift gets turned into an LEA.
; RUN: llc < %s -mtriple=i686-- -x86-asm-syntax=intel | \
; RUN: not grep "mov E.X, E.X"
@G = external global i32 ; <i32*> [#uses=1]
define i32 @test1(i32 %X) {
%Z = shl i32 %X, 2 ; <i32> [#uses=1]
store volatile i32 %Z, i32* @G
ret i32 %X
}