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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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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
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20
external/llvm/test/CodeGen/X86/TruncAssertSext.ll vendored Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -O2 -mtriple=x86_64-unknown-unknown | FileCheck %s
; Checks that a zeroing mov is inserted for the trunc/zext pair even when
; the source of the zext is an AssertSext node
; PR20494
define i64 @main(i64 %a) {
; CHECK-LABEL: main:
; CHECK: # %bb.0:
; CHECK-NEXT: orq $-2, %rdi
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: retq
%or = or i64 %a, -2
%trunc = trunc i64 %or to i32
br label %l
l:
%ext = zext i32 %trunc to i64
trunc i64 %or to i32 ; to keep the or from being narrowed
ret i64 %ext
}