a0be4724a9
Currently reductions can handles only same/alternate instructions, skipping potential support for copyables. Patch adds support for copyables in the reduced values. Recommit after revert in 1febc3f088ef444af378c0a90aaba2195c30472b
56 lines
3.3 KiB
LLVM
56 lines
3.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=slp-vectorizer -mattr=+avx2 -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; In this test case we start trying to vectorize reduction but end up
|
|
; in tryToVectorize() method which then can make several attempts to
|
|
; find a pair (roots) for a tree that can be vectorized.
|
|
; The order (path) it makes probes for various pairs is predefined by
|
|
; the method implementation and it is not guaranteed that the best option
|
|
; encountered first (like here).
|
|
|
|
define double @root_selection(double %a, double %b, double %c, double %d) local_unnamed_addr {
|
|
; CHECK-LABEL: @root_selection(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[B:%.*]], i32 0
|
|
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[A:%.*]], i32 1
|
|
; CHECK-NEXT: [[TMP3:%.*]] = fdiv fast <2 x double> [[TMP2]], <double 7.000000e+00, double 5.000000e+00>
|
|
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x double> [[TMP3]], i32 1
|
|
; CHECK-NEXT: [[I09:%.*]] = fmul fast double [[TMP4]], undef
|
|
; CHECK-NEXT: [[I10:%.*]] = fsub fast double undef, [[I09]]
|
|
; CHECK-NEXT: [[TMP5:%.*]] = fmul fast <2 x double> [[TMP3]], <double 3.000000e+00, double undef>
|
|
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x double> <double undef, double poison>, double [[I10]], i32 1
|
|
; CHECK-NEXT: [[TMP7:%.*]] = fmul fast <2 x double> [[TMP6]], [[TMP5]]
|
|
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x double> poison, double [[C:%.*]], i32 0
|
|
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <4 x double> [[TMP8]], double [[D:%.*]], i32 1
|
|
; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <2 x double> [[TMP7]], <2 x double> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison>
|
|
; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <4 x double> [[TMP9]], <4 x double> [[TMP10]], <4 x i32> <i32 0, i32 1, i32 4, i32 5>
|
|
; CHECK-NEXT: [[TMP12:%.*]] = fsub <4 x double> [[TMP11]], <double 0.000000e+00, double 0.000000e+00, double undef, double 1.100000e+01>
|
|
; CHECK-NEXT: [[TMP13:%.*]] = fmul <4 x double> [[TMP12]], <double 1.000000e+00, double 1.000000e+00, double 4.000000e+00, double 1.200000e+01>
|
|
; CHECK-NEXT: [[TMP14:%.*]] = fdiv <4 x double> [[TMP13]], <double 1.000000e+00, double 1.000000e+00, double 1.400000e+00, double 1.400000e+00>
|
|
; CHECK-NEXT: [[TMP15:%.*]] = call fast double @llvm.vector.reduce.fadd.v4f64(double 0.000000e+00, <4 x double> [[TMP14]])
|
|
; CHECK-NEXT: [[I18:%.*]] = fadd fast double [[TMP15]], undef
|
|
; CHECK-NEXT: ret double [[I18]]
|
|
;
|
|
%i01 = fdiv fast double %a, 7.0
|
|
%i02 = fmul fast double %i01, 3.0
|
|
%i03 = fmul fast double undef, %i02
|
|
%i04 = fsub fast double %i03, undef
|
|
%i05 = fmul fast double %i04, 4.0
|
|
%i06 = fdiv fast double %i05, 1.4
|
|
%i07 = fadd fast double undef, %i06
|
|
%i08 = fdiv fast double %b, 5.0
|
|
%i09 = fmul fast double %i08, undef
|
|
%i10 = fsub fast double undef, %i09
|
|
%i11 = fmul fast double %i08, undef
|
|
%i12 = fmul fast double %i10, %i11
|
|
%i13 = fsub fast double %i12, 11.0
|
|
%i14 = fmul fast double %i13, 12.0
|
|
%i15 = fdiv fast double %i14, 1.4
|
|
%i16 = fadd fast double %i07, %i15
|
|
%i17 = fadd fast double %i16, %c
|
|
%i18 = fadd fast double %i17, %d
|
|
ret double %i18
|
|
}
|