llvm-6502/test/CodeGen/X86/avx2-vbroadcast.ll
Nadav Rotem 9d68b06bc5 AVX2: Build splat vectors by broadcasting a scalar from the constant pool.
Previously we used three instructions to broadcast an immediate value into a
vector register.
On Sandybridge we continue to load the broadcasted value from the constant pool.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154284 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-08 12:54:54 +00:00

174 lines
6.9 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 -mattr=+avx2 | FileCheck %s
; CHECK: vpbroadcastb (%
define <16 x i8> @BB16(i8* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i8* %ptr, align 4
%q0 = insertelement <16 x i8> undef, i8 %q, i32 0
%q1 = insertelement <16 x i8> %q0, i8 %q, i32 1
%q2 = insertelement <16 x i8> %q1, i8 %q, i32 2
%q3 = insertelement <16 x i8> %q2, i8 %q, i32 3
%q4 = insertelement <16 x i8> %q3, i8 %q, i32 4
%q5 = insertelement <16 x i8> %q4, i8 %q, i32 5
%q6 = insertelement <16 x i8> %q5, i8 %q, i32 6
%q7 = insertelement <16 x i8> %q6, i8 %q, i32 7
%q8 = insertelement <16 x i8> %q7, i8 %q, i32 8
%q9 = insertelement <16 x i8> %q8, i8 %q, i32 9
%qa = insertelement <16 x i8> %q9, i8 %q, i32 10
%qb = insertelement <16 x i8> %qa, i8 %q, i32 11
%qc = insertelement <16 x i8> %qb, i8 %q, i32 12
%qd = insertelement <16 x i8> %qc, i8 %q, i32 13
%qe = insertelement <16 x i8> %qd, i8 %q, i32 14
%qf = insertelement <16 x i8> %qe, i8 %q, i32 15
ret <16 x i8> %qf
}
; CHECK: vpbroadcastb (%
define <32 x i8> @BB32(i8* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i8* %ptr, align 4
%q0 = insertelement <32 x i8> undef, i8 %q, i32 0
%q1 = insertelement <32 x i8> %q0, i8 %q, i32 1
%q2 = insertelement <32 x i8> %q1, i8 %q, i32 2
%q3 = insertelement <32 x i8> %q2, i8 %q, i32 3
%q4 = insertelement <32 x i8> %q3, i8 %q, i32 4
%q5 = insertelement <32 x i8> %q4, i8 %q, i32 5
%q6 = insertelement <32 x i8> %q5, i8 %q, i32 6
%q7 = insertelement <32 x i8> %q6, i8 %q, i32 7
%q8 = insertelement <32 x i8> %q7, i8 %q, i32 8
%q9 = insertelement <32 x i8> %q8, i8 %q, i32 9
%qa = insertelement <32 x i8> %q9, i8 %q, i32 10
%qb = insertelement <32 x i8> %qa, i8 %q, i32 11
%qc = insertelement <32 x i8> %qb, i8 %q, i32 12
%qd = insertelement <32 x i8> %qc, i8 %q, i32 13
%qe = insertelement <32 x i8> %qd, i8 %q, i32 14
%qf = insertelement <32 x i8> %qe, i8 %q, i32 15
%q20 = insertelement <32 x i8> %qf, i8 %q, i32 16
%q21 = insertelement <32 x i8> %q20, i8 %q, i32 17
%q22 = insertelement <32 x i8> %q21, i8 %q, i32 18
%q23 = insertelement <32 x i8> %q22, i8 %q, i32 19
%q24 = insertelement <32 x i8> %q23, i8 %q, i32 20
%q25 = insertelement <32 x i8> %q24, i8 %q, i32 21
%q26 = insertelement <32 x i8> %q25, i8 %q, i32 22
%q27 = insertelement <32 x i8> %q26, i8 %q, i32 23
%q28 = insertelement <32 x i8> %q27, i8 %q, i32 24
%q29 = insertelement <32 x i8> %q28, i8 %q, i32 25
%q2a = insertelement <32 x i8> %q29, i8 %q, i32 26
%q2b = insertelement <32 x i8> %q2a, i8 %q, i32 27
%q2c = insertelement <32 x i8> %q2b, i8 %q, i32 28
%q2d = insertelement <32 x i8> %q2c, i8 %q, i32 29
%q2e = insertelement <32 x i8> %q2d, i8 %q, i32 30
%q2f = insertelement <32 x i8> %q2e, i8 %q, i32 31
ret <32 x i8> %q2f
}
; CHECK: vpbroadcastw (%
define <8 x i16> @W16(i16* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i16* %ptr, align 4
%q0 = insertelement <8 x i16> undef, i16 %q, i32 0
%q1 = insertelement <8 x i16> %q0, i16 %q, i32 1
%q2 = insertelement <8 x i16> %q1, i16 %q, i32 2
%q3 = insertelement <8 x i16> %q2, i16 %q, i32 3
%q4 = insertelement <8 x i16> %q3, i16 %q, i32 4
%q5 = insertelement <8 x i16> %q4, i16 %q, i32 5
%q6 = insertelement <8 x i16> %q5, i16 %q, i32 6
%q7 = insertelement <8 x i16> %q6, i16 %q, i32 7
ret <8 x i16> %q7
}
; CHECK: vpbroadcastw (%
define <16 x i16> @WW16(i16* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i16* %ptr, align 4
%q0 = insertelement <16 x i16> undef, i16 %q, i32 0
%q1 = insertelement <16 x i16> %q0, i16 %q, i32 1
%q2 = insertelement <16 x i16> %q1, i16 %q, i32 2
%q3 = insertelement <16 x i16> %q2, i16 %q, i32 3
%q4 = insertelement <16 x i16> %q3, i16 %q, i32 4
%q5 = insertelement <16 x i16> %q4, i16 %q, i32 5
%q6 = insertelement <16 x i16> %q5, i16 %q, i32 6
%q7 = insertelement <16 x i16> %q6, i16 %q, i32 7
%q8 = insertelement <16 x i16> %q7, i16 %q, i32 8
%q9 = insertelement <16 x i16> %q8, i16 %q, i32 9
%qa = insertelement <16 x i16> %q9, i16 %q, i32 10
%qb = insertelement <16 x i16> %qa, i16 %q, i32 11
%qc = insertelement <16 x i16> %qb, i16 %q, i32 12
%qd = insertelement <16 x i16> %qc, i16 %q, i32 13
%qe = insertelement <16 x i16> %qd, i16 %q, i32 14
%qf = insertelement <16 x i16> %qe, i16 %q, i32 15
ret <16 x i16> %qf
}
; CHECK: vpbroadcastd (%
define <4 x i32> @D32(i32* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i32* %ptr, align 4
%q0 = insertelement <4 x i32> undef, i32 %q, i32 0
%q1 = insertelement <4 x i32> %q0, i32 %q, i32 1
%q2 = insertelement <4 x i32> %q1, i32 %q, i32 2
%q3 = insertelement <4 x i32> %q2, i32 %q, i32 3
ret <4 x i32> %q3
}
; CHECK: vpbroadcastd (%
define <8 x i32> @DD32(i32* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i32* %ptr, align 4
%q0 = insertelement <8 x i32> undef, i32 %q, i32 0
%q1 = insertelement <8 x i32> %q0, i32 %q, i32 1
%q2 = insertelement <8 x i32> %q1, i32 %q, i32 2
%q3 = insertelement <8 x i32> %q2, i32 %q, i32 3
%q4 = insertelement <8 x i32> %q3, i32 %q, i32 4
%q5 = insertelement <8 x i32> %q4, i32 %q, i32 5
%q6 = insertelement <8 x i32> %q5, i32 %q, i32 6
%q7 = insertelement <8 x i32> %q6, i32 %q, i32 7
ret <8 x i32> %q7
}
; CHECK: vpbroadcastq (%
define <2 x i64> @Q64(i64* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i64* %ptr, align 4
%q0 = insertelement <2 x i64> undef, i64 %q, i32 0
%q1 = insertelement <2 x i64> %q0, i64 %q, i32 1
ret <2 x i64> %q1
}
; CHECK: vpbroadcastq (%
define <4 x i64> @QQ64(i64* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load i64* %ptr, align 4
%q0 = insertelement <4 x i64> undef, i64 %q, i32 0
%q1 = insertelement <4 x i64> %q0, i64 %q, i32 1
%q2 = insertelement <4 x i64> %q1, i64 %q, i32 2
%q3 = insertelement <4 x i64> %q2, i64 %q, i32 3
ret <4 x i64> %q3
}
; make sure that we still don't support broadcast double into 128-bit vector
; this used to crash
define <2 x double> @I(double* %ptr) nounwind uwtable readnone ssp {
entry:
%q = load double* %ptr, align 4
%vecinit.i = insertelement <2 x double> undef, double %q, i32 0
%vecinit2.i = insertelement <2 x double> %vecinit.i, double %q, i32 1
ret <2 x double> %vecinit2.i
}
; CHECK: V111
; CHECK: vpbroadcastd
; CHECK: ret
define <8 x i32> @V111(<8 x i32> %in) nounwind uwtable readnone ssp {
entry:
%g = add <8 x i32> %in, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
ret <8 x i32> %g
}
; CHECK: _e2
; CHECK: vbroadcastss
; CHECK: ret
define <4 x float> @_e2(float* %ptr) nounwind uwtable readnone ssp {
%vecinit.i = insertelement <4 x float> undef, float 0xbf80000000000000, i32 0
%vecinit2.i = insertelement <4 x float> %vecinit.i, float 0xbf80000000000000, i32 1
%vecinit4.i = insertelement <4 x float> %vecinit2.i, float 0xbf80000000000000, i32 2
%vecinit6.i = insertelement <4 x float> %vecinit4.i, float 0xbf80000000000000, i32 3
ret <4 x float> %vecinit6.i
}