two-entry-phi-return.dbg.ll   [plain text]

; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep br

        %llvm.dbg.anchor.type = type { i32, i32 }
        %llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8*, i1, i1, i8* }

@llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata"		; 

@.str = internal constant [4 x i8] c"a.c\00", section "llvm.metadata"		; <[4 x i8]*> [#uses=1]
@.str1 = internal constant [6 x i8] c"/tmp/\00", section "llvm.metadata"	; <[6 x i8]*> [#uses=1]
@.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]
@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]

declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind

define i1 @qux(i8* %m, i8* %n, i8* %o, i8* %p) nounwind  {
entry:
        %tmp7 = icmp eq i8* %m, %n
        br i1 %tmp7, label %bb, label %UnifiedReturnBlock

bb:
call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*))
        %tmp15 = icmp eq i8* %o, %p
        br label %UnifiedReturnBlock

UnifiedReturnBlock:
        %result = phi i1 [ 0, %entry ], [ %tmp15, %bb ]
        ret i1 %result
}