mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 19:12:56 +02:00
c6c05561d5
This allows allows us to replace ISD::EXTRACT_ELEMENT, which is lowered using shifts, with ISD::EXTRACT_VECTOR_ELT, which is a no-op. llvm-svn: 205187
16 lines
480 B
LLVM
16 lines
480 B
LLVM
; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s
|
|
|
|
; CHECK-LABEL: @select0
|
|
; i64 select should be split into two i32 selects, and we shouldn't need
|
|
; to use a shfit to extract the hi dword of the input.
|
|
; CHECK-NOT: S_LSHR_B64
|
|
; CHECK: V_CNDMASK
|
|
; CHECK: V_CNDMASK
|
|
define void @select0(i64 addrspace(1)* %out, i32 %cond, i64 %in) {
|
|
entry:
|
|
%0 = icmp ugt i32 %cond, 5
|
|
%1 = select i1 %0, i64 0, i64 %in
|
|
store i64 %1, i64 addrspace(1)* %out
|
|
ret void
|
|
}
|