llvm-6502/test/CodeGen/X86/bitcast-i256.ll at 11947113de24f14f0bb7c7895b5087f001839e5d - llvm-6502 - Applefritter: Git

6502/llvm-6502

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Michael Liao 092122f124 Enhance type legalization on bitcast from vector to integer

- Find a legal vector type before casting and extracting element from it.
- As the new vector type may have more than 2 elements, build the final
  hi/lo pair by BFS pairing them from bottom to top.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163830 91177308-0d34-0410-b5e6-96231b3b80d8

2012-09-13 19:58:21 +00:00

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 ; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i < %s | FileCheck %s --check-prefix CHECK
 define i256 @foo(<8 x i32> %a) {
   %r = bitcast <8 x i32> %a to i256
   ret i256 %r
 ; CHECK: foo
 ; CHECK: vextractf128
 ; CHECK: vpextrq
 ; CHECK: vpextrq
 ; CHECK: ret
 }