1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
define void @foo(ptr %p) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: movdqa (%rdi), %xmm0
; CHECK-NEXT: movdqa 16(%rdi), %xmm1
; CHECK-NEXT: pslld $16, %xmm1
; CHECK-NEXT: psrad $16, %xmm1
; CHECK-NEXT: pslld $16, %xmm0
; CHECK-NEXT: psrad $16, %xmm0
; CHECK-NEXT: packssdw %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, (%rax)
; CHECK-NEXT: retq
%t = load <8 x i32>, ptr %p
%cti69 = trunc <8 x i32> %t to <8 x i16> ; <<8 x i16>> [#uses=1]
store <8 x i16> %cti69, ptr undef
ret void
}
define void @bar(ptr %p) nounwind {
; CHECK-LABEL: bar:
; CHECK: # %bb.0:
; CHECK-NEXT: pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
; CHECK-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; CHECK-NEXT: movq %xmm0, (%rax)
; CHECK-NEXT: retq
%t = load <4 x i32>, ptr %p
%cti44 = trunc <4 x i32> %t to <4 x i16> ; <<4 x i16>> [#uses=1]
store <4 x i16> %cti44, ptr undef
ret void
}
|
