xref: /llvm-project/llvm/test/CodeGen/X86/pr14161.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s
3
4declare <4 x i32> @llvm.umin.v4i32(<4 x i32>, <4 x i32>)
5
6define <2 x i16> @good(ptr, ptr) {
7; CHECK-LABEL: good:
8; CHECK:       # %bb.0: # %entry
9; CHECK-NEXT:    movdqa (%rdi), %xmm0
10; CHECK-NEXT:    pminud {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
11; CHECK-NEXT:    retq
12entry:
13  %2 = load <4 x i32>, ptr %0, align 16
14  %3 = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>)
15  %4 = extractelement <4 x i32> %3, i32 0
16  %5 = extractelement <4 x i32> %3, i32 1
17  %6 = extractelement <4 x i32> %3, i32 2
18  %7 = extractelement <4 x i32> %3, i32 3
19  %8 = bitcast i32 %4 to <2 x i16>
20  %9 = bitcast i32 %5 to <2 x i16>
21  ret <2 x i16> %8
22}
23
24define <2 x i16> @bad(ptr, ptr) {
25; CHECK-LABEL: bad:
26; CHECK:       # %bb.0: # %entry
27; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = mem[1,1,1,1]
28; CHECK-NEXT:    pminud {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
29; CHECK-NEXT:    retq
30entry:
31  %2 = load <4 x i32>, ptr %0, align 16
32  %3 = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>)
33  %4 = extractelement <4 x i32> %3, i32 0
34  %5 = extractelement <4 x i32> %3, i32 1
35  %6 = extractelement <4 x i32> %3, i32 2
36  %7 = extractelement <4 x i32> %3, i32 3
37  %8 = bitcast i32 %4 to <2 x i16>
38  %9 = bitcast i32 %5 to <2 x i16>
39  ret <2 x i16> %9
40}
41