155 lines
4.7 KiB
LLVM
155 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+sse2 < %s | FileCheck %s --check-prefix=SSE
|
|
; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx < %s | FileCheck %s --check-prefix=AVX
|
|
|
|
; Verify we fold loads into unary sse intrinsics only when optimizing for size
|
|
|
|
define float @rcpss(float* %a) {
|
|
; SSE-LABEL: rcpss:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: movss (%rdi), %xmm0
|
|
; SSE-NEXT: rcpss %xmm0, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: rcpss:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vmovss (%rdi), %xmm0
|
|
; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load float, float* %a
|
|
%ins = insertelement <4 x float> undef, float %ld, i32 0
|
|
%res = tail call <4 x float> @llvm.x86.sse.rcp.ss(<4 x float> %ins)
|
|
%ext = extractelement <4 x float> %res, i32 0
|
|
ret float %ext
|
|
}
|
|
|
|
define float @rsqrtss(float* %a) {
|
|
; SSE-LABEL: rsqrtss:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: movss (%rdi), %xmm0
|
|
; SSE-NEXT: rsqrtss %xmm0, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: rsqrtss:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vmovss (%rdi), %xmm0
|
|
; AVX-NEXT: vrsqrtss %xmm0, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load float, float* %a
|
|
%ins = insertelement <4 x float> undef, float %ld, i32 0
|
|
%res = tail call <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float> %ins)
|
|
%ext = extractelement <4 x float> %res, i32 0
|
|
ret float %ext
|
|
}
|
|
|
|
define float @sqrtss(float* %a) {
|
|
; SSE-LABEL: sqrtss:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: movss (%rdi), %xmm0
|
|
; SSE-NEXT: sqrtss %xmm0, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: sqrtss:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vmovss (%rdi), %xmm0
|
|
; AVX-NEXT: vsqrtss %xmm0, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load float, float* %a
|
|
%ins = insertelement <4 x float> undef, float %ld, i32 0
|
|
%res = tail call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %ins)
|
|
%ext = extractelement <4 x float> %res, i32 0
|
|
ret float %ext
|
|
}
|
|
|
|
define double @sqrtsd(double* %a) {
|
|
; SSE-LABEL: sqrtsd:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: movsd (%rdi), %xmm0
|
|
; SSE-NEXT: sqrtsd %xmm0, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: sqrtsd:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vmovsd (%rdi), %xmm0
|
|
; AVX-NEXT: vsqrtsd %xmm0, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load double, double* %a
|
|
%ins = insertelement <2 x double> undef, double %ld, i32 0
|
|
%res = tail call <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double> %ins)
|
|
%ext = extractelement <2 x double> %res, i32 0
|
|
ret double %ext
|
|
}
|
|
|
|
define float @rcpss_size(float* %a) optsize {
|
|
; SSE-LABEL: rcpss_size:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: rcpss (%rdi), %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: rcpss_size:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vrcpss (%rdi), %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load float, float* %a
|
|
%ins = insertelement <4 x float> undef, float %ld, i32 0
|
|
%res = tail call <4 x float> @llvm.x86.sse.rcp.ss(<4 x float> %ins)
|
|
%ext = extractelement <4 x float> %res, i32 0
|
|
ret float %ext
|
|
}
|
|
|
|
define float @rsqrtss_size(float* %a) optsize {
|
|
; SSE-LABEL: rsqrtss_size:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: rsqrtss (%rdi), %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: rsqrtss_size:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vrsqrtss (%rdi), %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load float, float* %a
|
|
%ins = insertelement <4 x float> undef, float %ld, i32 0
|
|
%res = tail call <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float> %ins)
|
|
%ext = extractelement <4 x float> %res, i32 0
|
|
ret float %ext
|
|
}
|
|
|
|
define float @sqrtss_size(float* %a) optsize{
|
|
; SSE-LABEL: sqrtss_size:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: sqrtss (%rdi), %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: sqrtss_size:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vsqrtss (%rdi), %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load float, float* %a
|
|
%ins = insertelement <4 x float> undef, float %ld, i32 0
|
|
%res = tail call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %ins)
|
|
%ext = extractelement <4 x float> %res, i32 0
|
|
ret float %ext
|
|
}
|
|
|
|
define double @sqrtsd_size(double* %a) optsize {
|
|
; SSE-LABEL: sqrtsd_size:
|
|
; SSE: # BB#0:
|
|
; SSE-NEXT: sqrtsd (%rdi), %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: sqrtsd_size:
|
|
; AVX: # BB#0:
|
|
; AVX-NEXT: vsqrtsd (%rdi), %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%ld = load double, double* %a
|
|
%ins = insertelement <2 x double> undef, double %ld, i32 0
|
|
%res = tail call <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double> %ins)
|
|
%ext = extractelement <2 x double> %res, i32 0
|
|
ret double %ext
|
|
}
|
|
|
|
declare <4 x float> @llvm.x86.sse.rcp.ss(<4 x float>) nounwind readnone
|
|
declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone
|
|
declare <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float>) nounwind readnone
|
|
declare <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double>) nounwind readnone
|