1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE
3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX
5 ; Ensure we match legal min/max intrinsics and the expanded compare+select equivalents.
7 declare <4 x i32> @llvm.smax.v4i32(<4 x i32>, <4 x i32>)
9 define <4 x i32> @PR27924_cmpeq(<4 x i32> %a, <4 x i32> %b) {
10 ; SSE-LABEL: PR27924_cmpeq:
12 ; SSE-NEXT: pcmpeqd %xmm0, %xmm0
15 ; AVX-LABEL: PR27924_cmpeq:
17 ; AVX-NEXT: vpcmpeqd %xmm0, %xmm0, %xmm0
19 %cmp = icmp sgt <4 x i32> %a, %b
20 %max = select <4 x i1> %cmp, <4 x i32> %a, <4 x i32> %b
21 %sse_max = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b)
22 %truth = icmp eq <4 x i32> %max, %sse_max
23 %ret = sext <4 x i1> %truth to <4 x i32>
27 define <4 x i32> @PR27924_cmpgt(<4 x i32> %a, <4 x i32> %b) {
28 ; SSE-LABEL: PR27924_cmpgt:
30 ; SSE-NEXT: xorps %xmm0, %xmm0
33 ; AVX-LABEL: PR27924_cmpgt:
35 ; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
37 %cmp = icmp sgt <4 x i32> %a, %b
38 %max = select <4 x i1> %cmp, <4 x i32> %a, <4 x i32> %b
39 %sse_max = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b)
40 %untruth = icmp sgt <4 x i32> %max, %sse_max
41 %ret = sext <4 x i1> %untruth to <4 x i32>