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llvm-project/llvm/test/Transforms/GlobalOpt/2009-03-05-dbg.ll

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Do not let debug info prevert globalopt from shriking a global vars to boolean. llvm-svn: 66224
2009-03-06 08:21:00 +08:00
; RUN: llvm-as < %s | opt -globalopt -stats -disable-output |& grep "1 globalopt - Number of global vars shrunk to booleans"
Revert 66224. llvm-svn: 66233
2009-03-06 09:39:36 +08:00
; XFAIL: *
Do not let debug info prevert globalopt from shriking a global vars to boolean. llvm-svn: 66224
2009-03-06 08:21:00 +08:00
type { } ; type %0
%llvm.dbg.anchor.type = type { i32, i32 }
%llvm.dbg.basictype.type = type { i32, %0*, i8*, %0*, i32, i64, i64, i64, i32, i32 }
%llvm.dbg.compile_unit.type = type { i32, %0*, i32, i8*, i8*, i8*, i1, i1, i8*, i32 }
%llvm.dbg.composite.type = type { i32, %0*, i8*, %0*, i32, i64, i64, i64, i32, %0*, %0*, i32 }
%llvm.dbg.global_variable.type = type { i32, %0*, %0*, i8*, i8*, i8*, %0*, i32, %0*, i1, i1, %0* }
%llvm.dbg.subprogram.type = type { i32, %0*, %0*, i8*, i8*, i8*, %0*, i32, %0*, i1, i1 }
%llvm.dbg.variable.type = type { i32, %0*, i8*, %0*, i32, %0* }
@llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata" ; <%llvm.dbg.anchor.type*> [#uses=1]
@.str = internal constant [5 x i8] c"gs.c\00", section "llvm.metadata" ; <[5 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 5641) (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, %0* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to %0*), i32 1, i8* getelementptr ([5 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, i32 0 }, section "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1]
@.str3 = internal constant [4 x i8] c"int\00", section "llvm.metadata" ; <[4 x i8]*> [#uses=1]
@llvm.dbg.basictype = internal constant %llvm.dbg.basictype.type { i32 458788, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i8* getelementptr ([4 x i8]* @.str3, i32 0, i32 0), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i32 0, i64 32, i64 32, i64 0, i32 0, i32 5 }, section "llvm.metadata" ; <%llvm.dbg.basictype.type*> [#uses=1]
@llvm.dbg.array = internal constant [2 x %0*] [%0* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to %0*), %0* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to %0*)], section "llvm.metadata" ; <[2 x %0*]*> [#uses=1]
@llvm.dbg.composite = internal constant %llvm.dbg.composite.type { i32 458773, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i8* null, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i32 0, i64 0, i64 0, i64 0, i32 0, %0* null, %0* bitcast ([2 x %0*]* @llvm.dbg.array to %0*), i32 0 }, section "llvm.metadata" ; <%llvm.dbg.composite.type*> [#uses=1]
@llvm.dbg.subprograms = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 46 }, section "llvm.metadata" ; <%llvm.dbg.anchor.type*> [#uses=1]
@.str4 = internal constant [4 x i8] c"foo\00", section "llvm.metadata" ; <[4 x i8]*> [#uses=1]
@llvm.dbg.subprogram = internal constant %llvm.dbg.subprogram.type { i32 458798, %0* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.subprograms to %0*), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i8* getelementptr ([4 x i8]* @.str4, i32 0, i32 0), i8* getelementptr ([4 x i8]* @.str4, i32 0, i32 0), i8* null, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i32 4, %0* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite to %0*), i1 false, i1 true }, section "llvm.metadata" ; <%llvm.dbg.subprogram.type*> [#uses=1]
@.str5 = internal constant [2 x i8] c"i\00", section "llvm.metadata" ; <[2 x i8]*> [#uses=1]
@llvm.dbg.variable = internal constant %llvm.dbg.variable.type { i32 459009, %0* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to %0*), i8* getelementptr ([2 x i8]* @.str5, i32 0, i32 0), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i32 4, %0* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to %0*) }, section "llvm.metadata" ; <%llvm.dbg.variable.type*> [#uses=1]
@Stop = internal global i32 0 ; <i32*> [#uses=4]
@llvm.dbg.global_variables = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 52 }, section "llvm.metadata" ; <%llvm.dbg.anchor.type*> [#uses=1]
@.str6 = internal constant [5 x i8] c"Stop\00", section "llvm.metadata" ; <[5 x i8]*> [#uses=1]
@llvm.dbg.global_variable = internal constant %llvm.dbg.global_variable.type { i32 458804, %0* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.global_variables to %0*), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i8* getelementptr ([5 x i8]* @.str6, i32 0, i32 0), i8* getelementptr ([5 x i8]* @.str6, i32 0, i32 0), i8* null, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i32 2, %0* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype to %0*), i1 true, i1 true, %0* bitcast (i32* @Stop to %0*) }, section "llvm.metadata" ; <%llvm.dbg.global_variable.type*> [#uses=0]
define i32 @foo(i32 %i) nounwind {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.func.start(%0* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to %0*))
call void @llvm.dbg.stoppoint(i32 5, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
%0 = load i32* @Stop, align 4 ; <i32> [#uses=1]
%1 = icmp eq i32 %0, 1 ; <i1> [#uses=1]
br i1 %1, label %bb, label %bb1
bb: ; preds = %entry
call void @llvm.dbg.stoppoint(i32 6, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
store i32 0, i32* @Stop, align 4
call void @llvm.dbg.stoppoint(i32 7, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
%2 = mul i32 %i, 42 ; <i32> [#uses=1]
br label %bb2
bb1: ; preds = %entry
call void @llvm.dbg.stoppoint(i32 9, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
store i32 1, i32* @Stop, align 4
call void @llvm.dbg.stoppoint(i32 10, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
br label %bb2
bb2: ; preds = %bb1, %bb
%.0 = phi i32 [ %i, %bb1 ], [ %2, %bb ] ; <i32> [#uses=1]
call void @llvm.dbg.stoppoint(i32 10, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
call void @llvm.dbg.stoppoint(i32 10, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*))
call void @llvm.dbg.region.end(%0* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram to %0*))
ret i32 %.0
}
declare void @llvm.dbg.func.start(%0*) nounwind readnone
declare void @llvm.dbg.declare(%0*, %0*) nounwind readnone
declare void @llvm.dbg.stoppoint(i32, i32, %0*) nounwind readnone
declare void @llvm.dbg.region.end(%0*) nounwind readnone