llvm/test/CodeGen/X86/vec_i64.ll
Simon Pilgrim e4a978783a [X86][SSE] Vector i64 load tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265185 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-01 21:06:17 +00:00

44 lines
1.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
; Used movq to load i64 into a v2i64 when the top i64 is 0.
define <2 x i64> @foo1(i64* %y) nounwind {
; X32-LABEL: foo1:
; X32: # BB#0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: retl
;
; X64-LABEL: foo1:
; X64: # BB#0: # %entry
; X64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; X64-NEXT: retq
entry:
%tmp1 = load i64, i64* %y, align 8
%s2v = insertelement <2 x i64> undef, i64 %tmp1, i32 0
%loadl = shufflevector <2 x i64> zeroinitializer, <2 x i64> %s2v, <2 x i32> <i32 2, i32 1>
ret <2 x i64> %loadl
}
define <4 x float> @foo2(i64* %p) nounwind {
; X32-LABEL: foo2:
; X32: # BB#0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: retl
;
; X64-LABEL: foo2:
; X64: # BB#0: # %entry
; X64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; X64-NEXT: retq
entry:
%load = load i64, i64* %p
%s2v = insertelement <2 x i64> undef, i64 %load, i32 0
%loadl = shufflevector <2 x i64> zeroinitializer, <2 x i64> %s2v, <2 x i32> <i32 2, i32 1>
%0 = bitcast <2 x i64> %loadl to <4 x float>
ret <4 x float> %0
}