1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s 2 3 %llvm.dbg.anchor.type = type { i32, i32 } 4 %llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8*, i1, i1, i8* } 5 6 @llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata" 7 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] 12 13 declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind 14 15 define i1 @t({ i32, i32 }* %I) { 16 ; CHECK: @t 17 ; CHECK: %tmp.2.i.off = add i32 %tmp.2.i, -14 18 ; CHECK: %switch = icmp ult i32 %tmp.2.i.off, 6 19 entry: 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] 48 ret i1 %UnifiedRetVal 49 } 50 51
