1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
3 %llvm.dbg.anchor.type = type { i32, i32 }
4 %llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8*, i1, i1, i8* }
6 @llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata"
8 @.str = internal constant [4 x i8] c"a.c\00", section "llvm.metadata" ; <[4 x i8]*> [#uses=1]
9 @.str1 = internal constant [6 x i8] c"/tmp/\00", section "llvm.metadata" ; <[6 x i8]*> [#uses=1]
10 @.str2 = internal constant [55 x i8] c"4.2.1 (Based on Apple Inc. build 5636) (LLVM build 00)\00", section "llvm.metadata" ; <[55 x i8]*> [#uses=1]
11 @llvm.dbg.compile_unit = internal constant %llvm.dbg.compile_unit.type { i32 458769, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to { }*), i32 1, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr ([6 x i8]* @.str1, i32 0, i32 0), i8* getelementptr ([55 x i8]* @.str2, i32 0, i32 0), i1 true, i1 false, i8* null }, section "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1]
13 declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind
15 define i1 @t({ i32, i32 }* %I) {
17 ; CHECK: %tmp.2.i.off = add i32 %tmp.2.i, -14
18 ; CHECK: %switch = icmp ult i32 %tmp.2.i.off, 6
20 %tmp.1.i = getelementptr { i32, i32 }* %I, i64 0, i32 1 ; <i32*> [#uses=1]
21 %tmp.2.i = load i32* %tmp.1.i ; <i32> [#uses=6]
22 %tmp.2 = icmp eq i32 %tmp.2.i, 14 ; <i1> [#uses=1]
23 br i1 %tmp.2, label %shortcirc_done.4, label %shortcirc_next.0
24 shortcirc_next.0: ; preds = %entry
25 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
26 %tmp.6 = icmp eq i32 %tmp.2.i, 15 ; <i1> [#uses=1]
27 br i1 %tmp.6, label %shortcirc_done.4, label %shortcirc_next.1
28 shortcirc_next.1: ; preds = %shortcirc_next.0
29 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
30 %tmp.11 = icmp eq i32 %tmp.2.i, 16 ; <i1> [#uses=1]
31 br i1 %tmp.11, label %shortcirc_done.4, label %shortcirc_next.2
32 shortcirc_next.2: ; preds = %shortcirc_next.1
33 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
34 %tmp.16 = icmp eq i32 %tmp.2.i, 17 ; <i1> [#uses=1]
35 br i1 %tmp.16, label %shortcirc_done.4, label %shortcirc_next.3
36 shortcirc_next.3: ; preds = %shortcirc_next.2
37 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
38 %tmp.21 = icmp eq i32 %tmp.2.i, 18 ; <i1> [#uses=1]
39 br i1 %tmp.21, label %shortcirc_done.4, label %shortcirc_next.4
40 shortcirc_next.4: ; preds = %shortcirc_next.3
41 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
42 %tmp.26 = icmp eq i32 %tmp.2.i, 19 ; <i1> [#uses=1]
43 br label %UnifiedReturnBlock
44 shortcirc_done.4: ; preds = %shortcirc_next.3, %shortcirc_next.2, %shortcirc_next.1, %shortcirc_next.0, %entry
45 br label %UnifiedReturnBlock
46 UnifiedReturnBlock: ; preds = %shortcirc_done.4, %shortcirc_next.4
47 %UnifiedRetVal = phi i1 [ %tmp.26, %shortcirc_next.4 ], [ true, %shortcirc_done.4 ] ; <i1> [#uses=1]