llvm-project/llvm/test/CodeGen/X86/widen_compare-1.ll

47 lines
1.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X64
; compare v2i16
define <2 x i16> @compare_v2i64_to_v2i16_unary(<2 x i16>* %src) nounwind {
; X86-LABEL: compare_v2i64_to_v2i16_unary:
; X86: # %bb.0:
; X86-NEXT: pcmpeqd %xmm0, %xmm0
; X86-NEXT: retl
;
; X64-LABEL: compare_v2i64_to_v2i16_unary:
; X64: # %bb.0:
; X64-NEXT: pcmpeqd %xmm0, %xmm0
; X64-NEXT: retq
%val = load <2 x i16>, <2 x i16>* %src, align 4
%cmp = icmp uge <2 x i16> %val, %val
%sel = select <2 x i1> %cmp, <2 x i16> <i16 -1, i16 -1>, <2 x i16> zeroinitializer
ret <2 x i16> %sel
}
define <2 x i16> @compare_v2i64_to_v2i16_binary(<2 x i16>* %src0, <2 x i16>* %src1) nounwind {
; X86-LABEL: compare_v2i64_to_v2i16_binary:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-NEXT: pmaxuw %xmm1, %xmm0
; X86-NEXT: pcmpeqw %xmm1, %xmm0
; X86-NEXT: retl
;
; X64-LABEL: compare_v2i64_to_v2i16_binary:
; X64: # %bb.0:
; X64-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X64-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT: pmaxuw %xmm1, %xmm0
; X64-NEXT: pcmpeqw %xmm1, %xmm0
; X64-NEXT: retq
%val0 = load <2 x i16>, <2 x i16>* %src0, align 4
%val1 = load <2 x i16>, <2 x i16>* %src1, align 4
%cmp = icmp uge <2 x i16> %val0, %val1
%sel = select <2 x i1> %cmp, <2 x i16> <i16 -1, i16 -1>, <2 x i16> zeroinitializer
ret <2 x i16> %sel
}