11; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2- ; RUN: opt < %s -O2 - codegenprepare -S | FileCheck %s
2+ ; RUN: opt < %s -codegenprepare -S | FileCheck %s
33
44target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
55target triple = "x86_64-unknown-linux-gnu"
@@ -11,7 +11,7 @@ target triple = "x86_64-unknown-linux-gnu"
1111@f = dso_local local_unnamed_addr global i64 0 , align 8
1212@g = dso_local local_unnamed_addr global i64 0 , align 8
1313
14- define dso_local i32 @m () local_unnamed_addr {
14+ define dso_local i32 @m () {
1515; CHECK-LABEL: @m(
1616; CHECK-NEXT: entry:
1717; CHECK-NEXT: [[TMP0:%.*]] = load i64, i64* @f, align 8
@@ -99,80 +99,54 @@ for.cond: ; preds = %for.cond39.preheade
9999 %p.0 = phi i64 [ undef , %entry ], [ %p.1.lcssa , %for.cond39.preheader ]
100100 %i.0 = phi i32 [ undef , %entry ], [ %i.1.lcssa , %for.cond39.preheader ]
101101 %cmp73 = icmp slt i32 %i.0 , 3
102- br i1 %cmp73 , label %for.body.preheader , label %for.cond39.preheader
103-
104- for.body.preheader: ; preds = %for.cond
105- br label %for.body
102+ br i1 %cmp73 , label %for.body , label %for.cond39.preheader
106103
107104for.cond1.loopexit: ; preds = %for.inc34.preheader, %for.end12
108- br i1 %cmp , label %for.body , label %for.cond39.preheader.loopexit
109-
110- for.cond39.preheader.loopexit: ; preds = %for.cond1.loopexit
111- br label %for.cond39.preheader
112-
113- for.cond39.preheader: ; preds = %for.cond39.preheader.loopexit, %for.cond
114- %j.1.lcssa = phi i32 [ %j.0 , %for.cond ], [ %conv18 , %for.cond39.preheader.loopexit ]
115- %p.1.lcssa = phi i64 [ %p.0 , %for.cond ], [ 0 , %for.cond39.preheader.loopexit ]
116- %i.1.lcssa = phi i32 [ %i.0 , %for.cond ], [ %conv18 , %for.cond39.preheader.loopexit ]
117- br i1 %tobool40.not , label %for.cond , label %for.inc42.preheader
118-
119- for.inc42.preheader: ; preds = %for.cond39.preheader
120- br label %for.inc42
121-
122- for.body: ; preds = %for.body.preheader, %for.cond1.loopexit
123- %l.176 = phi i8 [ %sub , %for.cond1.loopexit ], [ 0 , %for.body.preheader ]
124- %p.175 = phi i64 [ 0 , %for.cond1.loopexit ], [ %p.0 , %for.body.preheader ]
125- %j.174 = phi i32 [ %conv18 , %for.cond1.loopexit ], [ %j.0 , %for.body.preheader ]
105+ br i1 %cmp , label %for.body , label %for.cond39.preheader
106+
107+ for.cond39.preheader: ; preds = %for.cond1.loopexit, %for.cond
108+ %j.1.lcssa = phi i32 [ %j.0 , %for.cond ], [ %conv18 , %for.cond1.loopexit ]
109+ %p.1.lcssa = phi i64 [ %p.0 , %for.cond ], [ 0 , %for.cond1.loopexit ]
110+ %i.1.lcssa = phi i32 [ %i.0 , %for.cond ], [ %conv18 , %for.cond1.loopexit ]
111+ br i1 %tobool40.not , label %for.cond , label %for.inc42
112+
113+ for.body: ; preds = %for.cond, %for.cond1.loopexit
114+ %l.176 = phi i8 [ %sub , %for.cond1.loopexit ], [ 0 , %for.cond ]
115+ %p.175 = phi i64 [ 0 , %for.cond1.loopexit ], [ %p.0 , %for.cond ]
116+ %j.174 = phi i32 [ %conv18 , %for.cond1.loopexit ], [ %j.0 , %for.cond ]
126117 %tobool.not = icmp eq i32 %j.174 , 0
127118 br i1 %tobool.not , label %cleanup45 , label %for.cond2.preheader
128119
129120for.cond2.preheader: ; preds = %for.body
130- %tobool3.not69 = icmp eq i64 %p.175 , 0
131121 %.pr.pre = load i64 , i64* @e , align 8
132- br i1 %tobool3.not69 , label %for.end12 , label %for.body4.preheader
133-
134- for.body4.preheader: ; preds = %for.cond2.preheader
122+ switch i64 %p.175 , label %for.body4.preheader6 [
123+ i64 -1 , label %for.end12
124+ i64 -2 , label %for.end12
125+ i64 -3 , label %for.end12
126+ i64 -4 , label %for.end12
127+ i64 -5 , label %for.end12
128+ i64 -6 , label %for.end12
129+ i64 -7 , label %for.end12
130+ i64 0 , label %for.end12
131+ ]
132+
133+ for.body4.preheader6: ; preds = %for.cond2.preheader
135134 %4 = sub i64 0 , %p.175
136135 %xtraiter = and i64 %4 , 7
137- %lcmp.mod.not = icmp eq i64 %xtraiter , 0
138- br i1 %lcmp.mod.not , label %for.body4.prol.loopexit , label %for.body4.prol.preheader
139-
140- for.body4.prol.preheader: ; preds = %for.body4.preheader
141- %5 = mul nsw i64 %xtraiter , -1
142- br label %for.body4.prol
143-
144- for.body4.prol: ; preds = %for.body4.prol.preheader, %for.body4.prol
145- %lsr.iv = phi i64 [ 0 , %for.body4.prol.preheader ], [ %lsr.iv.next , %for.body4.prol ]
146- %lsr.iv.next = add nsw i64 %lsr.iv , -1
147- %prol.iter.cmp.not = icmp eq i64 %5 , %lsr.iv.next
148- br i1 %prol.iter.cmp.not , label %for.body4.prol.loopexit.loopexit , label %for.body4.prol
149-
150- for.body4.prol.loopexit.loopexit: ; preds = %for.body4.prol
151- %6 = sub i64 %p.175 , %lsr.iv.next
152- br label %for.body4.prol.loopexit
153-
154- for.body4.prol.loopexit: ; preds = %for.body4.prol.loopexit.loopexit, %for.body4.preheader
155- %p.270.unr = phi i64 [ %p.175 , %for.body4.preheader ], [ %6 , %for.body4.prol.loopexit.loopexit ]
156- %7 = icmp ugt i64 %p.175 , -8
157- br i1 %7 , label %for.end12 , label %for.body4.preheader89
158-
159- for.body4.preheader89: ; preds = %for.body4.prol.loopexit
136+ %5 = add i64 %p.175 , %xtraiter
160137 br label %for.body4
161138
162- for.body4: ; preds = %for.body4.preheader89 , %for.body4
163- %p.270 = phi i64 [ %inc11.7 , %for.body4 ], [ %p.270.unr , %for.body4.preheader89 ]
139+ for.body4: ; preds = %for.body4.preheader6 , %for.body4
140+ %p.270 = phi i64 [ %inc11.7 , %for.body4 ], [ %5 , %for.body4.preheader6 ]
164141 %inc11.7 = add i64 %p.270 , 8
165142 %tobool3.not.7 = icmp eq i64 %inc11.7 , 0
166- br i1 %tobool3.not.7 , label %for.end12.loopexit , label %for.body4
167-
168- for.end12.loopexit: ; preds = %for.body4
169- br label %for.end12
143+ br i1 %tobool3.not.7 , label %for.end12 , label %for.body4
170144
171- for.end12: ; preds = %for.end12.loopexit , %for.body4.prol.loopexit , %for.cond2.preheader
172- %8 = load i32 , i32* %1 , align 4
173- %conv23 = zext i32 %8 to i64
174- %9 = load i64 , i64* @b , align 8
175- %div24 = udiv i64 %9 , %conv23
145+ for.end12: ; preds = %for.body4, %for.cond2.preheader , %for.cond2.preheader, %for.cond2.preheader, %for.cond2.preheader, %for.cond2.preheader, %for.cond2.preheader, %for.cond2.preheader , %for.cond2.preheader
146+ %6 = load i32 , i32* %1 , align 4
147+ %conv23 = zext i32 %6 to i64
148+ %7 = load i64 , i64* @b , align 8
149+ %div24 = udiv i64 %7 , %conv23
176150 store i64 %div24 , i64* @b , align 8
177151 %sub = add i8 %l.176 , -1
178152 %tobool32.not72 = icmp eq i64 %.pr.pre , 0
@@ -182,7 +156,7 @@ for.inc34.preheader: ; preds = %for.end12
182156 store i64 0 , i64* @e , align 8
183157 br label %for.cond1.loopexit
184158
185- for.inc42: ; preds = %for.inc42 .preheader, %for.inc42
159+ for.inc42: ; preds = %for.cond39 .preheader, %for.inc42
186160 br label %for.inc42
187161
188162cleanup45: ; preds = %for.body
0 commit comments