third_party/llvm-7.0/llvm/test/CodeGen/X86/peephole-cvt-sse.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-pc-linux -mattr=+sse4.2 < %s | FileCheck %s --check-prefix=X86-64
; RUN: llc -mtriple=i386-pc-linux -mattr=+sse4.2 < %s | FileCheck %s --check-prefix=I386

; Check that unaligned loads merge with cvtdq2pd and cvtps2pd.

define <2 x double> @peephole_cvtps2pd(<4 x float>* %a0) {
; X86-64-LABEL: peephole_cvtps2pd:
; X86-64:       # %bb.0:
; X86-64-NEXT:    cvtps2pd (%rdi), %xmm0
; X86-64-NEXT:    retq
;
; I386-LABEL: peephole_cvtps2pd:
; I386:       # %bb.0:
; I386-NEXT:    movl {{[0-9]+}}(%esp), %eax
; I386-NEXT:    cvtps2pd (%eax), %xmm0
; I386-NEXT:    retl
  %1 = load <4 x float>, <4 x float>* %a0, align 1
  %2 = shufflevector <4 x float> %1, <4 x float> undef, <2 x i32> <i32 0, i32 1>
  %3 = fpext <2 x float> %2 to <2 x double>
  ret <2 x double> %3
}

define <2 x double> @peephole_cvtdq2pd(<4 x i32>* %a0) {
; X86-64-LABEL: peephole_cvtdq2pd:
; X86-64:       # %bb.0:
; X86-64-NEXT:    cvtdq2pd (%rdi), %xmm0
; X86-64-NEXT:    retq
;
; I386-LABEL: peephole_cvtdq2pd:
; I386:       # %bb.0:
; I386-NEXT:    movl {{[0-9]+}}(%esp), %eax
; I386-NEXT:    cvtdq2pd (%eax), %xmm0
; I386-NEXT:    retl
  %1 = load <4 x i32>, <4 x i32>* %a0, align 1
  %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <2 x i32> <i32 0, i32 1>
  %3 = sitofp <2 x i32> %2 to <2 x double>
  ret <2 x double> %3
}