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[X86] Add v2i2 test case (PR20011)

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llvm-svn: 312873
This commit is contained in:
Simon Pilgrim 2017-09-09 20:22:35 +00:00
parent ef30f9b210
commit a3d5f0e106
1 changed files with 33 additions and 0 deletions
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test/CodeGen/X86/pr20011.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64
%destTy = type { i2, i2 }
define void @crash(i64 %x0, i64 %y0, %destTy* nocapture %dest) nounwind {
; X86-LABEL: crash:
; X86: # BB#0:
; X86-NEXT: movb {{[0-9]+}}(%esp), %al
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movb {{[0-9]+}}(%esp), %dl
; X86-NEXT: andb $3, %dl
; X86-NEXT: movb %dl, (%ecx)
; X86-NEXT: andb $3, %al
; X86-NEXT: movb %al, (%ecx)
; X86-NEXT: retl
;
; X64-LABEL: crash:
; X64: # BB#0:
; X64-NEXT: andl $3, %esi
; X64-NEXT: movb %sil, (%rdx)
; X64-NEXT: andl $3, %edi
; X64-NEXT: movb %dil, (%rdx)
; X64-NEXT: retq
%x1 = trunc i64 %x0 to i2
%y1 = trunc i64 %y0 to i2
%1 = bitcast %destTy* %dest to <2 x i2>*
%2 = insertelement <2 x i2> undef, i2 %x1, i32 0
%3 = insertelement <2 x i2> %2, i2 %y1, i32 1
store <2 x i2> %3, <2 x i2>* %1, align 1
ret void
}