; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE42 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1 ; If we have SSE/AVX intrinsics in the code, we miss obvious combines ; unless we do them late on X86-specific nodes. declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) define <4 x i32> @PR27924_cmpeq(<4 x i32> %a, <4 x i32> %b) { ; SSE-LABEL: PR27924_cmpeq: ; SSE: # BB#0: ; SSE-NEXT: pcmpeqd %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: PR27924_cmpeq: ; AVX: # BB#0: ; AVX-NEXT: vpcmpeqd %xmm0, %xmm0, %xmm0 ; AVX-NEXT: retq ; %cmp = icmp sgt <4 x i32> %a, %b %max = select <4 x i1> %cmp, <4 x i32> %a, <4 x i32> %b %sse_max = tail call <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32> %a, <4 x i32> %b) %truth = icmp eq <4 x i32> %max, %sse_max %ret = sext <4 x i1> %truth to <4 x i32> ret <4 x i32> %ret } define <4 x i32> @PR27924_cmpgt(<4 x i32> %a, <4 x i32> %b) { ; SSE-LABEL: PR27924_cmpgt: ; SSE: # BB#0: ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: PR27924_cmpgt: ; AVX: # BB#0: ; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0 ; AVX-NEXT: retq ; %cmp = icmp sgt <4 x i32> %a, %b %max = select <4 x i1> %cmp, <4 x i32> %a, <4 x i32> %b %sse_max = tail call <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32> %a, <4 x i32> %b) %untruth = icmp sgt <4 x i32> %max, %sse_max %ret = sext <4 x i1> %untruth to <4 x i32> ret <4 x i32> %ret }