llvm-6502/test/Analysis/CostModel/X86/reduction.ll
2013-09-19 17:48:48 +00:00

366 lines
18 KiB
LLVM

; RUN: opt < %s -cost-model -costmodel-reduxcost=true -analyze -mcpu=core2 -mtriple=x86_64-apple-darwin | FileCheck %s
; RUN: opt < %s -cost-model -costmodel-reduxcost=true -analyze -mcpu=corei7 -mtriple=x86_64-apple-darwin | FileCheck %s --check-prefix=SSE3
; RUN: opt < %s -cost-model -costmodel-reduxcost=true -analyze -mcpu=corei7-avx -mtriple=x86_64-apple-darwin | FileCheck %s --check-prefix=AVX
; RUN: opt < %s -cost-model -costmodel-reduxcost=true -analyze -mcpu=core-avx2 -mtriple=x86_64-apple-darwin | FileCheck %s --check-prefix=AVX2
define fastcc float @reduction_cost_float(<4 x float> %rdx) {
%rdx.shuf = shufflevector <4 x float> %rdx, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd <4 x float> %rdx, %rdx.shuf
%rdx.shuf7 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <4 x float> %bin.rdx, %rdx.shuf7
; Check that we recognize the tree starting at the extractelement as a
; reduction.
; CHECK-LABEL: reduction_cost
; CHECK: cost of 9 {{.*}} extractelement
%r = extractelement <4 x float> %bin.rdx8, i32 0
ret float %r
}
define fastcc i32 @reduction_cost_int(<8 x i32> %rdx) {
%rdx.shuf = shufflevector <8 x i32> %rdx, <8 x i32> undef,
<8 x i32> <i32 4 , i32 5, i32 6, i32 7,
i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = add <8 x i32> %rdx, %rdx.shuf
%rdx.shuf.2 = shufflevector <8 x i32> %bin.rdx, <8 x i32> undef,
<8 x i32> <i32 2 , i32 3, i32 undef, i32 undef,
i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx.2 = add <8 x i32> %bin.rdx, %rdx.shuf.2
%rdx.shuf.3 = shufflevector <8 x i32> %bin.rdx.2, <8 x i32> undef,
<8 x i32> <i32 1 , i32 undef, i32 undef, i32 undef,
i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx.3 = add <8 x i32> %bin.rdx.2, %rdx.shuf.3
; CHECK-LABEL: reduction_cost_int
; CHECK: cost of 23 {{.*}} extractelement
%r = extractelement <8 x i32> %bin.rdx.3, i32 0
ret i32 %r
}
define fastcc float @pairwise_hadd(<4 x float> %rdx, float %f1) {
%rdx.shuf.0.0 = shufflevector <4 x float> %rdx, <4 x float> undef,
<4 x i32> <i32 0, i32 2 , i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x float> %rdx, <4 x float> undef,
<4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx.0 = fadd <4 x float> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <4 x float> %bin.rdx.0, <4 x float> undef,
<4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <4 x float> %bin.rdx.0, <4 x float> undef,
<4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx.1 = fadd <4 x float> %rdx.shuf.1.0, %rdx.shuf.1.1
; CHECK-LABEL: pairwise_hadd
; CHECK: cost of 11 {{.*}} extractelement
%r = extractelement <4 x float> %bin.rdx.1, i32 0
%r2 = fadd float %r, %f1
ret float %r2
}
define fastcc float @pairwise_hadd_assoc(<4 x float> %rdx, float %f1) {
%rdx.shuf.0.0 = shufflevector <4 x float> %rdx, <4 x float> undef,
<4 x i32> <i32 0, i32 2 , i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x float> %rdx, <4 x float> undef,
<4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx.0 = fadd <4 x float> %rdx.shuf.0.1, %rdx.shuf.0.0
%rdx.shuf.1.0 = shufflevector <4 x float> %bin.rdx.0, <4 x float> undef,
<4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <4 x float> %bin.rdx.0, <4 x float> undef,
<4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx.1 = fadd <4 x float> %rdx.shuf.1.0, %rdx.shuf.1.1
; CHECK-LABEL: pairwise_hadd_assoc
; CHECK: cost of 11 {{.*}} extractelement
%r = extractelement <4 x float> %bin.rdx.1, i32 0
%r2 = fadd float %r, %f1
ret float %r2
}
define fastcc float @pairwise_hadd_skip_first(<4 x float> %rdx, float %f1) {
%rdx.shuf.0.0 = shufflevector <4 x float> %rdx, <4 x float> undef,
<4 x i32> <i32 0, i32 2 , i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x float> %rdx, <4 x float> undef,
<4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx.0 = fadd <4 x float> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.1 = shufflevector <4 x float> %bin.rdx.0, <4 x float> undef,
<4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx.1 = fadd <4 x float> %bin.rdx.0, %rdx.shuf.1.1
; CHECK-LABEL: pairwise_hadd_skip_first
; CHECK: cost of 11 {{.*}} extractelement
%r = extractelement <4 x float> %bin.rdx.1, i32 0
%r2 = fadd float %r, %f1
ret float %r2
}
define fastcc double @no_pairwise_reduction2double(<2 x double> %rdx, double %f1) {
%rdx.shuf = shufflevector <2 x double> %rdx, <2 x double> undef, <2 x i32> <i32 1, i32 undef>
%bin.rdx = fadd <2 x double> %rdx, %rdx.shuf
; SSE3: cost of 2 {{.*}} extractelement
; AVX: cost of 2 {{.*}} extractelement
; AVX2: cost of 2 {{.*}} extractelement
%r = extractelement <2 x double> %bin.rdx, i32 0
ret double %r
}
define fastcc float @no_pairwise_reduction4float(<4 x float> %rdx, float %f1) {
%rdx.shuf = shufflevector <4 x float> %rdx, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd <4 x float> %rdx, %rdx.shuf
%rdx.shuf7 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <4 x float> %bin.rdx, %rdx.shuf7
; SSE3: cost of 4 {{.*}} extractelement
; AVX: cost of 3 {{.*}} extractelement
; AVX2: cost of 3 {{.*}} extractelement
%r = extractelement <4 x float> %bin.rdx8, i32 0
ret float %r
}
define fastcc double @no_pairwise_reduction4double(<4 x double> %rdx, double %f1) {
%rdx.shuf = shufflevector <4 x double> %rdx, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd <4 x double> %rdx, %rdx.shuf
%rdx.shuf7 = shufflevector <4 x double> %bin.rdx, <4 x double> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <4 x double> %bin.rdx, %rdx.shuf7
; AVX: cost of 3 {{.*}} extractelement
; AVX2: cost of 3 {{.*}} extractelement
%r = extractelement <4 x double> %bin.rdx8, i32 0
ret double %r
}
define fastcc float @no_pairwise_reduction8float(<8 x float> %rdx, float %f1) {
%rdx.shuf3 = shufflevector <8 x float> %rdx, <8 x float> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 7,i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx4 = fadd <8 x float> %rdx, %rdx.shuf3
%rdx.shuf = shufflevector <8 x float> %bin.rdx4, <8 x float> undef, <8 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = fadd <8 x float> %bin.rdx4, %rdx.shuf
%rdx.shuf7 = shufflevector <8 x float> %bin.rdx, <8 x float> undef, <8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <8 x float> %bin.rdx, %rdx.shuf7
; AVX: cost of 4 {{.*}} extractelement
; AVX2: cost of 4 {{.*}} extractelement
%r = extractelement <8 x float> %bin.rdx8, i32 0
ret float %r
}
define fastcc i64 @no_pairwise_reduction2i64(<2 x i64> %rdx, i64 %f1) {
%rdx.shuf = shufflevector <2 x i64> %rdx, <2 x i64> undef, <2 x i32> <i32 1, i32 undef>
%bin.rdx = add <2 x i64> %rdx, %rdx.shuf
; SSE3: cost of 2 {{.*}} extractelement
; AVX: cost of 1 {{.*}} extractelement
; AVX2: cost of 1 {{.*}} extractelement
%r = extractelement <2 x i64> %bin.rdx, i32 0
ret i64 %r
}
define fastcc i32 @no_pairwise_reduction4i32(<4 x i32> %rdx, i32 %f1) {
%rdx.shuf = shufflevector <4 x i32> %rdx, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = add <4 x i32> %rdx, %rdx.shuf
%rdx.shuf7 = shufflevector <4 x i32> %bin.rdx, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <4 x i32> %bin.rdx, %rdx.shuf7
; SSE3: cost of 3 {{.*}} extractelement
; AVX: cost of 3 {{.*}} extractelement
; AVX2: cost of 3 {{.*}} extractelement
%r = extractelement <4 x i32> %bin.rdx8, i32 0
ret i32 %r
}
define fastcc i64 @no_pairwise_reduction4i64(<4 x i64> %rdx, i64 %f1) {
%rdx.shuf = shufflevector <4 x i64> %rdx, <4 x i64> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = add <4 x i64> %rdx, %rdx.shuf
%rdx.shuf7 = shufflevector <4 x i64> %bin.rdx, <4 x i64> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <4 x i64> %bin.rdx, %rdx.shuf7
; AVX: cost of 3 {{.*}} extractelement
; AVX2: cost of 3 {{.*}} extractelement
%r = extractelement <4 x i64> %bin.rdx8, i32 0
ret i64 %r
}
define fastcc i16 @no_pairwise_reduction8i16(<8 x i16> %rdx, i16 %f1) {
%rdx.shuf3 = shufflevector <8 x i16> %rdx, <8 x i16> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 7,i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx4 = add <8 x i16> %rdx, %rdx.shuf3
%rdx.shuf = shufflevector <8 x i16> %bin.rdx4, <8 x i16> undef, <8 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = add <8 x i16> %bin.rdx4, %rdx.shuf
%rdx.shuf7 = shufflevector <8 x i16> %bin.rdx, <8 x i16> undef, <8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <8 x i16> %bin.rdx, %rdx.shuf7
; SSE3: cost of 4 {{.*}} extractelement
; AVX: cost of 4 {{.*}} extractelement
; AVX2: cost of 4 {{.*}} extractelement
%r = extractelement <8 x i16> %bin.rdx8, i32 0
ret i16 %r
}
define fastcc i32 @no_pairwise_reduction8i32(<8 x i32> %rdx, i32 %f1) {
%rdx.shuf3 = shufflevector <8 x i32> %rdx, <8 x i32> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 7,i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx4 = add <8 x i32> %rdx, %rdx.shuf3
%rdx.shuf = shufflevector <8 x i32> %bin.rdx4, <8 x i32> undef, <8 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = add <8 x i32> %bin.rdx4, %rdx.shuf
%rdx.shuf7 = shufflevector <8 x i32> %bin.rdx, <8 x i32> undef, <8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <8 x i32> %bin.rdx, %rdx.shuf7
; AVX: cost of 5 {{.*}} extractelement
; AVX2: cost of 5 {{.*}} extractelement
%r = extractelement <8 x i32> %bin.rdx8, i32 0
ret i32 %r
}
define fastcc double @pairwise_reduction2double(<2 x double> %rdx, double %f1) {
%rdx.shuf.1.0 = shufflevector <2 x double> %rdx, <2 x double> undef, <2 x i32> <i32 0, i32 undef>
%rdx.shuf.1.1 = shufflevector <2 x double> %rdx, <2 x double> undef, <2 x i32> <i32 1, i32 undef>
%bin.rdx8 = fadd <2 x double> %rdx.shuf.1.0, %rdx.shuf.1.1
; SSE3: cost of 2 {{.*}} extractelement
; AVX: cost of 2 {{.*}} extractelement
; AVX2: cost of 2 {{.*}} extractelement
%r = extractelement <2 x double> %bin.rdx8, i32 0
ret double %r
}
define fastcc float @pairwise_reduction4float(<4 x float> %rdx, float %f1) {
%rdx.shuf.0.0 = shufflevector <4 x float> %rdx, <4 x float> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x float> %rdx, <4 x float> undef, <4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd <4 x float> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <4 x float> %rdx.shuf.1.0, %rdx.shuf.1.1
; SSE3: cost of 4 {{.*}} extractelement
; AVX: cost of 4 {{.*}} extractelement
; AVX2: cost of 4 {{.*}} extractelement
%r = extractelement <4 x float> %bin.rdx8, i32 0
ret float %r
}
define fastcc double @pairwise_reduction4double(<4 x double> %rdx, double %f1) {
%rdx.shuf.0.0 = shufflevector <4 x double> %rdx, <4 x double> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x double> %rdx, <4 x double> undef, <4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd <4 x double> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <4 x double> %bin.rdx, <4 x double> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <4 x double> %bin.rdx, <4 x double> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <4 x double> %rdx.shuf.1.0, %rdx.shuf.1.1
; AVX: cost of 5 {{.*}} extractelement
; AVX2: cost of 5 {{.*}} extractelement
%r = extractelement <4 x double> %bin.rdx8, i32 0
ret double %r
}
define fastcc float @pairwise_reduction8float(<8 x float> %rdx, float %f1) {
%rdx.shuf.0.0 = shufflevector <8 x float> %rdx, <8 x float> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6,i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <8 x float> %rdx, <8 x float> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7,i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = fadd <8 x float> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <8 x float> %bin.rdx, <8 x float> undef,<8 x i32> <i32 0, i32 2, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <8 x float> %bin.rdx, <8 x float> undef,<8 x i32> <i32 1, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = fadd <8 x float> %rdx.shuf.1.0, %rdx.shuf.1.1
%rdx.shuf.2.0 = shufflevector <8 x float> %bin.rdx8, <8 x float> undef,<8 x i32> <i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.2.1 = shufflevector <8 x float> %bin.rdx8, <8 x float> undef,<8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx9 = fadd <8 x float> %rdx.shuf.2.0, %rdx.shuf.2.1
; AVX: cost of 7 {{.*}} extractelement
; AVX2: cost of 7 {{.*}} extractelement
%r = extractelement <8 x float> %bin.rdx9, i32 0
ret float %r
}
define fastcc i64 @pairwise_reduction2i64(<2 x i64> %rdx, i64 %f1) {
%rdx.shuf.1.0 = shufflevector <2 x i64> %rdx, <2 x i64> undef, <2 x i32> <i32 0, i32 undef>
%rdx.shuf.1.1 = shufflevector <2 x i64> %rdx, <2 x i64> undef, <2 x i32> <i32 1, i32 undef>
%bin.rdx8 = add <2 x i64> %rdx.shuf.1.0, %rdx.shuf.1.1
; SSE3: cost of 2 {{.*}} extractelement
; AVX: cost of 1 {{.*}} extractelement
; AVX2: cost of 1 {{.*}} extractelement
%r = extractelement <2 x i64> %bin.rdx8, i32 0
ret i64 %r
}
define fastcc i32 @pairwise_reduction4i32(<4 x i32> %rdx, i32 %f1) {
%rdx.shuf.0.0 = shufflevector <4 x i32> %rdx, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x i32> %rdx, <4 x i32> undef, <4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx = add <4 x i32> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <4 x i32> %bin.rdx, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <4 x i32> %bin.rdx, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <4 x i32> %rdx.shuf.1.0, %rdx.shuf.1.1
; SSE3: cost of 3 {{.*}} extractelement
; AVX: cost of 3 {{.*}} extractelement
; AVX2: cost of 3 {{.*}} extractelement
%r = extractelement <4 x i32> %bin.rdx8, i32 0
ret i32 %r
}
define fastcc i64 @pairwise_reduction4i64(<4 x i64> %rdx, i64 %f1) {
%rdx.shuf.0.0 = shufflevector <4 x i64> %rdx, <4 x i64> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <4 x i64> %rdx, <4 x i64> undef, <4 x i32> <i32 1, i32 3, i32 undef, i32 undef>
%bin.rdx = add <4 x i64> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <4 x i64> %bin.rdx, <4 x i64> undef, <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <4 x i64> %bin.rdx, <4 x i64> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <4 x i64> %rdx.shuf.1.0, %rdx.shuf.1.1
; AVX: cost of 5 {{.*}} extractelement
; AVX2: cost of 5 {{.*}} extractelement
%r = extractelement <4 x i64> %bin.rdx8, i32 0
ret i64 %r
}
define fastcc i16 @pairwise_reduction8i16(<8 x i16> %rdx, i16 %f1) {
%rdx.shuf.0.0 = shufflevector <8 x i16> %rdx, <8 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6,i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <8 x i16> %rdx, <8 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7,i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = add <8 x i16> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <8 x i16> %bin.rdx, <8 x i16> undef,<8 x i32> <i32 0, i32 2, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <8 x i16> %bin.rdx, <8 x i16> undef,<8 x i32> <i32 1, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <8 x i16> %rdx.shuf.1.0, %rdx.shuf.1.1
%rdx.shuf.2.0 = shufflevector <8 x i16> %bin.rdx8, <8 x i16> undef,<8 x i32> <i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.2.1 = shufflevector <8 x i16> %bin.rdx8, <8 x i16> undef,<8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx9 = add <8 x i16> %rdx.shuf.2.0, %rdx.shuf.2.1
; SSE3: cost of 5 {{.*}} extractelement
; AVX: cost of 5 {{.*}} extractelement
; AVX2: cost of 5 {{.*}} extractelement
%r = extractelement <8 x i16> %bin.rdx9, i32 0
ret i16 %r
}
define fastcc i32 @pairwise_reduction8i32(<8 x i32> %rdx, i32 %f1) {
%rdx.shuf.0.0 = shufflevector <8 x i32> %rdx, <8 x i32> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6,i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.0.1 = shufflevector <8 x i32> %rdx, <8 x i32> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7,i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx = add <8 x i32> %rdx.shuf.0.0, %rdx.shuf.0.1
%rdx.shuf.1.0 = shufflevector <8 x i32> %bin.rdx, <8 x i32> undef,<8 x i32> <i32 0, i32 2, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.1.1 = shufflevector <8 x i32> %bin.rdx, <8 x i32> undef,<8 x i32> <i32 1, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx8 = add <8 x i32> %rdx.shuf.1.0, %rdx.shuf.1.1
%rdx.shuf.2.0 = shufflevector <8 x i32> %bin.rdx8, <8 x i32> undef,<8 x i32> <i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%rdx.shuf.2.1 = shufflevector <8 x i32> %bin.rdx8, <8 x i32> undef,<8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
%bin.rdx9 = add <8 x i32> %rdx.shuf.2.0, %rdx.shuf.2.1
; AVX: cost of 5 {{.*}} extractelement
; AVX2: cost of 5 {{.*}} extractelement
%r = extractelement <8 x i32> %bin.rdx9, i32 0
ret i32 %r
}