1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=slp-vectorizer,dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5 target triple = "x86_64-apple-macosx10.7.0"
7 @.str = private unnamed_addr constant [6 x i8] c"bingo\00", align 1
9 define void @reduce_compare(ptr nocapture %A, i32 %n) {
10 ; CHECK-LABEL: @reduce_compare(
12 ; CHECK-NEXT: [[CONV:%.*]] = sitofp i32 [[N:%.*]] to double
13 ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[CONV]], i32 0
14 ; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> [[TMP0]], <2 x double> poison, <2 x i32> zeroinitializer
15 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
17 ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ]
18 ; CHECK-NEXT: [[TMP2:%.*]] = shl nsw i64 [[INDVARS_IV]], 1
19 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[A:%.*]], i64 [[TMP2]]
20 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, ptr [[ARRAYIDX]], align 8
21 ; CHECK-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP1]], [[TMP3]]
22 ; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP4]], <double 7.000000e+00, double 4.000000e+00>
23 ; CHECK-NEXT: [[TMP6:%.*]] = fadd <2 x double> [[TMP5]], <double 5.000000e+00, double 9.000000e+00>
24 ; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x double> [[TMP6]], i32 0
25 ; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[TMP6]], i32 1
26 ; CHECK-NEXT: [[CMP11:%.*]] = fcmp ogt double [[TMP7]], [[TMP8]]
27 ; CHECK-NEXT: br i1 [[CMP11]], label [[IF_THEN:%.*]], label [[FOR_INC]]
29 ; CHECK-NEXT: [[CALL:%.*]] = tail call i32 (ptr, ...) @printf(ptr @.str)
30 ; CHECK-NEXT: br label [[FOR_INC]]
32 ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
33 ; CHECK-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
34 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], 100
35 ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
37 ; CHECK-NEXT: ret void
40 %conv = sitofp i32 %n to double
43 for.body: ; preds = %for.inc, %entry
44 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
45 %0 = shl nsw i64 %indvars.iv, 1
46 %arrayidx = getelementptr inbounds double, ptr %A, i64 %0
47 %1 = load double, ptr %arrayidx, align 8
48 %mul1 = fmul double %conv, %1
49 %mul2 = fmul double %mul1, 7.000000e+00
50 %add = fadd double %mul2, 5.000000e+00
51 %2 = or disjoint i64 %0, 1
52 %arrayidx6 = getelementptr inbounds double, ptr %A, i64 %2
53 %3 = load double, ptr %arrayidx6, align 8
54 %mul8 = fmul double %conv, %3
55 %mul9 = fmul double %mul8, 4.000000e+00
56 %add10 = fadd double %mul9, 9.000000e+00
57 %cmp11 = fcmp ogt double %add, %add10
58 br i1 %cmp11, label %if.then, label %for.inc
60 if.then: ; preds = %for.body
61 %call = tail call i32 (ptr, ...) @printf(ptr @.str)
64 for.inc: ; preds = %for.body, %if.then
65 %indvars.iv.next = add i64 %indvars.iv, 1
66 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
67 %exitcond = icmp eq i32 %lftr.wideiv, 100
68 br i1 %exitcond, label %for.end, label %for.body
70 for.end: ; preds = %for.inc
74 declare i32 @printf(ptr nocapture, ...)
76 ; PR41312 - the order of the reduction ops should not prevent forming a reduction.
77 ; The 'wrong' member of the reduction requires a greater cost if grouped with the
78 ; other candidates in the reduction because it does not have matching predicate
79 ; and/or constant operand.
81 define float @merge_anyof_v4f32_wrong_first(<4 x float> %x) {
82 ; CHECK-LABEL: @merge_anyof_v4f32_wrong_first(
83 ; CHECK-NEXT: [[X3:%.*]] = extractelement <4 x float> [[X:%.*]], i32 3
84 ; CHECK-NEXT: [[CMP3WRONG:%.*]] = fcmp olt float [[X3]], 4.200000e+01
85 ; CHECK-NEXT: [[TMP1:%.*]] = fcmp ogt <4 x float> [[X]], splat (float 1.000000e+00)
86 ; CHECK-NEXT: [[TMP2:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP1]])
87 ; CHECK-NEXT: [[OP_RDX:%.*]] = or i1 [[TMP2]], [[CMP3WRONG]]
88 ; CHECK-NEXT: [[R:%.*]] = select i1 [[OP_RDX]], float -1.000000e+00, float 1.000000e+00
89 ; CHECK-NEXT: ret float [[R]]
91 %x0 = extractelement <4 x float> %x, i32 0
92 %x1 = extractelement <4 x float> %x, i32 1
93 %x2 = extractelement <4 x float> %x, i32 2
94 %x3 = extractelement <4 x float> %x, i32 3
95 %cmp3wrong = fcmp olt float %x3, 42.0
96 %cmp0 = fcmp ogt float %x0, 1.0
97 %cmp1 = fcmp ogt float %x1, 1.0
98 %cmp2 = fcmp ogt float %x2, 1.0
99 %cmp3 = fcmp ogt float %x3, 1.0
100 %or03 = or i1 %cmp0, %cmp3wrong
101 %or031 = or i1 %or03, %cmp1
102 %or0312 = or i1 %or031, %cmp2
103 %or03123 = or i1 %or0312, %cmp3
104 %r = select i1 %or03123, float -1.0, float 1.0
108 define float @merge_anyof_v4f32_wrong_last(<4 x float> %x) {
109 ; CHECK-LABEL: @merge_anyof_v4f32_wrong_last(
110 ; CHECK-NEXT: [[X3:%.*]] = extractelement <4 x float> [[X:%.*]], i32 3
111 ; CHECK-NEXT: [[CMP3WRONG:%.*]] = fcmp olt float [[X3]], 4.200000e+01
112 ; CHECK-NEXT: [[TMP1:%.*]] = fcmp ogt <4 x float> [[X]], splat (float 1.000000e+00)
113 ; CHECK-NEXT: [[TMP2:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP1]])
114 ; CHECK-NEXT: [[OP_RDX:%.*]] = or i1 [[TMP2]], [[CMP3WRONG]]
115 ; CHECK-NEXT: [[R:%.*]] = select i1 [[OP_RDX]], float -1.000000e+00, float 1.000000e+00
116 ; CHECK-NEXT: ret float [[R]]
118 %x0 = extractelement <4 x float> %x, i32 0
119 %x1 = extractelement <4 x float> %x, i32 1
120 %x2 = extractelement <4 x float> %x, i32 2
121 %x3 = extractelement <4 x float> %x, i32 3
122 %cmp3wrong = fcmp olt float %x3, 42.0
123 %cmp0 = fcmp ogt float %x0, 1.0
124 %cmp1 = fcmp ogt float %x1, 1.0
125 %cmp2 = fcmp ogt float %x2, 1.0
126 %cmp3 = fcmp ogt float %x3, 1.0
127 %or03 = or i1 %cmp0, %cmp3
128 %or031 = or i1 %or03, %cmp1
129 %or0312 = or i1 %or031, %cmp2
130 %or03123 = or i1 %or0312, %cmp3wrong
131 %r = select i1 %or03123, float -1.0, float 1.0
135 define i32 @merge_anyof_v4i32_wrong_middle(<4 x i32> %x) {
136 ; CHECK-LABEL: @merge_anyof_v4i32_wrong_middle(
137 ; CHECK-NEXT: [[X3:%.*]] = extractelement <4 x i32> [[X:%.*]], i32 3
138 ; CHECK-NEXT: [[CMP3WRONG:%.*]] = icmp slt i32 [[X3]], 42
139 ; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <4 x i32> [[X]], splat (i32 1)
140 ; CHECK-NEXT: [[TMP2:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP1]])
141 ; CHECK-NEXT: [[OP_RDX:%.*]] = or i1 [[TMP2]], [[CMP3WRONG]]
142 ; CHECK-NEXT: [[R:%.*]] = select i1 [[OP_RDX]], i32 -1, i32 1
143 ; CHECK-NEXT: ret i32 [[R]]
145 %x0 = extractelement <4 x i32> %x, i32 0
146 %x1 = extractelement <4 x i32> %x, i32 1
147 %x2 = extractelement <4 x i32> %x, i32 2
148 %x3 = extractelement <4 x i32> %x, i32 3
149 %cmp3wrong = icmp slt i32 %x3, 42
150 %cmp0 = icmp sgt i32 %x0, 1
151 %cmp1 = icmp sgt i32 %x1, 1
152 %cmp2 = icmp sgt i32 %x2, 1
153 %cmp3 = icmp sgt i32 %x3, 1
154 %or03 = or i1 %cmp0, %cmp3
155 %or033 = or i1 %or03, %cmp3wrong
156 %or0332 = or i1 %or033, %cmp2
157 %or03321 = or i1 %or0332, %cmp1
158 %r = select i1 %or03321, i32 -1, i32 1
162 ; Operand/predicate swapping allows forming a reduction, but the
163 ; ideal reduction groups all of the original 'sgt' ops together.
165 define i32 @merge_anyof_v4i32_wrong_middle_better_rdx(<4 x i32> %x, <4 x i32> %y) {
166 ; CHECK-LABEL: @merge_anyof_v4i32_wrong_middle_better_rdx(
167 ; CHECK-NEXT: [[X3:%.*]] = extractelement <4 x i32> [[X:%.*]], i32 3
168 ; CHECK-NEXT: [[Y3:%.*]] = extractelement <4 x i32> [[Y:%.*]], i32 3
169 ; CHECK-NEXT: [[CMP3WRONG:%.*]] = icmp slt i32 [[X3]], [[Y3]]
170 ; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <4 x i32> [[X]], [[Y]]
171 ; CHECK-NEXT: [[TMP2:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP1]])
172 ; CHECK-NEXT: [[OP_RDX:%.*]] = or i1 [[TMP2]], [[CMP3WRONG]]
173 ; CHECK-NEXT: [[R:%.*]] = select i1 [[OP_RDX]], i32 -1, i32 1
174 ; CHECK-NEXT: ret i32 [[R]]
176 %x0 = extractelement <4 x i32> %x, i32 0
177 %x1 = extractelement <4 x i32> %x, i32 1
178 %x2 = extractelement <4 x i32> %x, i32 2
179 %x3 = extractelement <4 x i32> %x, i32 3
180 %y0 = extractelement <4 x i32> %y, i32 0
181 %y1 = extractelement <4 x i32> %y, i32 1
182 %y2 = extractelement <4 x i32> %y, i32 2
183 %y3 = extractelement <4 x i32> %y, i32 3
184 %cmp3wrong = icmp slt i32 %x3, %y3
185 %cmp0 = icmp sgt i32 %x0, %y0
186 %cmp1 = icmp sgt i32 %x1, %y1
187 %cmp2 = icmp sgt i32 %x2, %y2
188 %cmp3 = icmp sgt i32 %x3, %y3
189 %or03 = or i1 %cmp0, %cmp3
190 %or033 = or i1 %or03, %cmp3wrong
191 %or0332 = or i1 %or033, %cmp2
192 %or03321 = or i1 %or0332, %cmp1
193 %r = select i1 %or03321, i32 -1, i32 1