mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-23 13:02:52 +02:00
969718c5af
Fix for test case found by James Molloy - TRUNCATE of constant build vectors can be more simply achieved by simply replacing with a new build vector node with the truncated value type - no need to touch the scalar operands at all. llvm-svn: 235079
22 lines
718 B
LLVM
22 lines
718 B
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
|
|
|
|
define i64 @dotests_616() {
|
|
; CHECK-LABEL: dotests_616
|
|
; CHECK: movi d0, #0000000000000000
|
|
; CHECK-NEXT: umov w8, v0.b[2]
|
|
; CHECK-NEXT: sbfx w8, w8, #0, #1
|
|
; CHECK-NEXT: fmov s0, w8
|
|
; CHECK-NEXT: fmov x0, d0
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%0 = bitcast <2 x i64> zeroinitializer to <8 x i16>
|
|
%1 = and <8 x i16> zeroinitializer, %0
|
|
%2 = icmp ne <8 x i16> %1, zeroinitializer
|
|
%3 = extractelement <8 x i1> %2, i32 2
|
|
%vgetq_lane285 = sext i1 %3 to i16
|
|
%vset_lane = insertelement <4 x i16> undef, i16 %vgetq_lane285, i32 0
|
|
%4 = bitcast <4 x i16> %vset_lane to <1 x i64>
|
|
%vget_lane = extractelement <1 x i64> %4, i32 0
|
|
ret i64 %vget_lane
|
|
}
|