f6ff2cc7e0
lowerBuildVectorAsBroadcast will not broadcast splat constants in all cases, resulting in a lot of situations where a full width vector load that has failed to fold but is loading splat constant values could use a broadcast load instruction just as cheaply, and save constant pool space. This is an updated commit of ab4b924832ce26c21b88d7f82fcf4992ea8906bb after being reverted at 78de45fd4a902066617fcc9bb88efee11f743bc6
146 lines
5.4 KiB
LLVM
146 lines
5.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=+avx | FileCheck %s
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define <2 x float> @cvt_v2i8_v2f32(<2 x i8> %src) {
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; CHECK-LABEL: cvt_v2i8_v2f32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpmovsxbd %xmm0, %xmm0
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; CHECK-NEXT: vcvtdq2ps %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = sitofp <2 x i8> %src to <2 x float>
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ret <2 x float> %res
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}
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define <2 x float> @cvt_v2i16_v2f32(<2 x i16> %src) {
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; CHECK-LABEL: cvt_v2i16_v2f32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpmovsxwd %xmm0, %xmm0
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; CHECK-NEXT: vcvtdq2ps %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = sitofp <2 x i16> %src to <2 x float>
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ret <2 x float> %res
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}
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define <2 x float> @cvt_v2i32_v2f32(<2 x i32> %src) {
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; CHECK-LABEL: cvt_v2i32_v2f32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvtdq2ps %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = sitofp <2 x i32> %src to <2 x float>
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ret <2 x float> %res
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}
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define <2 x float> @cvt_v2u8_v2f32(<2 x i8> %src) {
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; CHECK-LABEL: cvt_v2u8_v2f32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
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; CHECK-NEXT: vcvtdq2ps %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = uitofp <2 x i8> %src to <2 x float>
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ret <2 x float> %res
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}
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define <2 x float> @cvt_v2u16_v2f32(<2 x i16> %src) {
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; CHECK-LABEL: cvt_v2u16_v2f32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
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; CHECK-NEXT: vcvtdq2ps %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = uitofp <2 x i16> %src to <2 x float>
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ret <2 x float> %res
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}
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define <2 x float> @cvt_v2u32_v2f32(<2 x i32> %src) {
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; CHECK-LABEL: cvt_v2u32_v2f32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
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; CHECK-NEXT: vmovddup {{.*#+}} xmm1 = [4.503599627370496E+15,4.503599627370496E+15]
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; CHECK-NEXT: ## xmm1 = mem[0,0]
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; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: vsubpd %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: vcvtpd2ps %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = uitofp <2 x i32> %src to <2 x float>
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ret <2 x float> %res
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}
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define <2 x i8> @cvt_v2f32_v2i8(<2 x float> %src) {
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; CHECK-LABEL: cvt_v2f32_v2i8:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm0
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; CHECK-NEXT: vpackssdw %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: vpacksswb %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = fptosi <2 x float> %src to <2 x i8>
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ret <2 x i8> %res
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}
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define <2 x i16> @cvt_v2f32_v2i16(<2 x float> %src) {
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; CHECK-LABEL: cvt_v2f32_v2i16:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm0
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; CHECK-NEXT: vpackssdw %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = fptosi <2 x float> %src to <2 x i16>
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ret <2 x i16> %res
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}
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define <2 x i32> @cvt_v2f32_v2i32(<2 x float> %src) {
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; CHECK-LABEL: cvt_v2f32_v2i32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = fptosi <2 x float> %src to <2 x i32>
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ret <2 x i32> %res
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}
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define <2 x i8> @cvt_v2f32_v2u8(<2 x float> %src) {
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; CHECK-LABEL: cvt_v2f32_v2u8:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm0
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; CHECK-NEXT: vpackusdw %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: vpackuswb %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = fptoui <2 x float> %src to <2 x i8>
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ret <2 x i8> %res
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}
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define <2 x i16> @cvt_v2f32_v2u16(<2 x float> %src) {
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; CHECK-LABEL: cvt_v2f32_v2u16:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm0
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; CHECK-NEXT: vpackusdw %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: retl
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%res = fptoui <2 x float> %src to <2 x i16>
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ret <2 x i16> %res
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}
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define <2 x i32> @cvt_v2f32_v2u32(<2 x float> %src) {
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; CHECK-LABEL: cvt_v2f32_v2u32:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm1
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; CHECK-NEXT: vpsrad $31, %xmm1, %xmm2
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; CHECK-NEXT: vsubps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0, %xmm0
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; CHECK-NEXT: vcvttps2dq %xmm0, %xmm0
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; CHECK-NEXT: vpand %xmm2, %xmm0, %xmm0
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; CHECK-NEXT: vpor %xmm0, %xmm1, %xmm0
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; CHECK-NEXT: retl
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%res = fptoui <2 x float> %src to <2 x i32>
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ret <2 x i32> %res
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}
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define <32 x i8> @PR40146(<4 x i64> %x) {
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; CHECK-LABEL: PR40146:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpxor %xmm1, %xmm1, %xmm1
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; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm1 = xmm0[8],xmm1[8],xmm0[9],xmm1[9],xmm0[10],xmm1[10],xmm0[11],xmm1[11],xmm0[12],xmm1[12],xmm0[13],xmm1[13],xmm0[14],xmm1[14],xmm0[15],xmm1[15]
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; CHECK-NEXT: vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
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; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
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; CHECK-NEXT: retl
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%perm = shufflevector <4 x i64> %x, <4 x i64> undef, <4 x i32> <i32 0, i32 undef, i32 1, i32 undef>
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%t1 = bitcast <4 x i64> %perm to <32 x i8>
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%t2 = shufflevector <32 x i8> %t1, <32 x i8> <i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, <32 x i32> <i32 0, i32 32, i32 1, i32 32, i32 2, i32 32, i32 3, i32 32, i32 4, i32 32, i32 5, i32 32, i32 6, i32 32, i32 7, i32 32, i32 16, i32 48, i32 17, i32 48, i32 18, i32 48, i32 19, i32 48, i32 20, i32 48, i32 21, i32 48, i32 22, i32 48, i32 23, i32 48>
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ret <32 x i8> %t2
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}
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