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[X86][SSE] Test case for PR2585 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266669 91177308-0d34-0410-b5e6-96231b3b80d8 Simon Pilgrim 4 years ago
1 changed file(s) with 32 addition(s) and 0 deletion(s). Raw diff Collapse all Expand all
0 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
1 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X32
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
3
4 external constant <4 x i32> ; <<4 x i32>*>:0 [#uses=1]
5 external constant <4 x i16> ; <<4 x i16>*>:1 [#uses=1]
6
7 define internal void @PR2585() {
8 ; X32-LABEL: PR2585:
9 ; X32: # BB#0:
10 ; X32-NEXT: pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
11 ; X32-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
12 ; X32-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
13 ; X32-NEXT: movq %xmm0, __unnamed_2
14 ; X32-NEXT: retl
15 ;
16 ; X64-LABEL: PR2585:
17 ; X64: # BB#0:
18 ; X64-NEXT: pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
19 ; X64-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
20 ; X64-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
21 ; X64-NEXT: movq %xmm0, {{.*}}(%rip)
22 ; X64-NEXT: retq
23 load <4 x i32>, <4 x i32>* @0, align 16 ; <<4 x i32>>:1 [#uses=1]
24 bitcast <4 x i32> %1 to <8 x i16> ; <<8 x i16>>:2 [#uses=1]
25 shufflevector <8 x i16> %2, <8 x i16> undef, <8 x i32> < i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef > ; <<8 x i16>>:3 [#uses=1]
26 bitcast <8 x i16> %3 to <2 x i64> ; <<2 x i64>>:4 [#uses=1]
27 extractelement <2 x i64> %4, i32 0 ; :5 [#uses=1]
28 bitcast i64 %5 to <4 x i16> ; <<4 x i16>>:6 [#uses=1]
29 store <4 x i16> %6, <4 x i16>* @1, align 8
30 ret void
31 }