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llvm-project/llvm/test/DebugInfo/2009-03-03-deadstore.ll

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Change tests from "opt %s" to "opt < %s" so that opt doesn't see the input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. llvm-svn: 81537
2009-09-12 02:01:28 +08:00
; RUN: opt < %s -instcombine -S | not grep alloca
When removing a store to an alloca that has only one use, check also for the case where it has two uses, the other being a llvm.dbg.declare. This is needed so debug info doesn't affect codegen. llvm-svn: 65970
2009-03-04 05:26:39 +08:00
; ModuleID = '<stdin>'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.6"
type { } ; type %0
type <{ i8 }> ; type %1
type { i32 (...)**, %3 } ; type %2
type { %4, %2*, i8, i8, %10*, %11*, %12*, %12* } ; type %3
type { i32 (...)**, i32, i32, i32, i32, i32, %5*, %6, [8 x %6], i32, %6*, %7 } ; type %4
type { %5*, void (i32, %4*, i32)*, i32, i32 } ; type %5
type { i8*, i32 } ; type %6
type { %8* } ; type %7
type { i32, %9**, i32, %9**, i8** } ; type %8
type { i32 (...)**, i32 } ; type %9
type { i32 (...)**, i8*, i8*, i8*, i8*, i8*, i8*, %7 } ; type %10
type { %9, i32*, i8, i32*, i32*, i32*, i8, [256 x i8], [256 x i8], i8 } ; type %11
type { %9 } ; type %12
type { i32, void ()* } ; type %13
type { %15 } ; type %14
type { %16 } ; type %15
type { %17 } ; type %16
type { i32*, i32*, i32* } ; type %17
type { %19 } ; type %18
type { %20 } ; type %19
type { %21 } ; type %20
type { %14*, %14*, %14* } ; type %21
type { i32 } ; type %22
type { i8 } ; type %23
type { i32* } ; type %24
type { %14* } ; type %25
type { %27 } ; type %26
type { i8* } ; type %27
type { %29, %30, %3 } ; type %28
type { i32 (...)** } ; type %29
type { %10, i32, %26 } ; type %30
%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.derivedtype.type = type { i32, %0*, i8*, %0*, i32, i64, i64, i64, i32, %0* }
%llvm.dbg.enumerator.type = type { i32, i8*, i64 }
%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.subrange.type = type { i32, i64, i64 }
%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]
@llvm.dbg.subprograms = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 46 }, section "llvm.metadata" ; <%llvm.dbg.anchor.type*> [#uses=1]
internal constant [11 x i8] c"bigfib.cpp\00", section "llvm.metadata" ; <[11 x i8]*>:0 [#uses=1]
internal constant [84 x i8] c"/Volumes/Nanpura/mainline/llvm/projects/llvm-test/SingleSource/Benchmarks/Misc-C++/\00", section "llvm.metadata" ; <[84 x i8]*>:1 [#uses=1]
internal constant [57 x i8] c"4.2.1 (Based on Apple Inc. build 5636) (LLVM build 2099)\00", section "llvm.metadata" ; <[57 x i8]*>:2 [#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 4, i8* getelementptr ([11 x i8]* @0, i32 0, i32 0), i8* getelementptr ([84 x i8]* @1, i32 0, i32 0), i8* getelementptr ([57 x i8]* @2, i32 0, i32 0), i1 true, i1 false, i8* null, i32 0 }, section "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1]
internal constant [23 x i8] c"/usr/include/c++/4.0.0\00", section "llvm.metadata" ; <[23 x i8]*>:3 [#uses=1]
internal constant [4 x i8] c"int\00", section "llvm.metadata" ; <[4 x i8]*>:4 [#uses=1]
@llvm.dbg.basictype103 = 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]* @4, 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]
internal constant [8 x i8] c"iomanip\00", section "llvm.metadata" ; <[8 x i8]*>:5 [#uses=1]
@llvm.dbg.compile_unit1548 = internal constant %llvm.dbg.compile_unit.type { i32 458769, %0* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to %0*), i32 4, i8* getelementptr ([8 x i8]* @5, i32 0, i32 0), i8* getelementptr ([23 x i8]* @3, i32 0, i32 0), i8* getelementptr ([57 x i8]* @2, i32 0, i32 0), i1 false, i1 false, i8* null, i32 0 }, section "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1]
internal constant [6 x i8] c"_Setw\00", section "llvm.metadata" ; <[6 x i8]*>:6 [#uses=1]
internal constant [5 x i8] c"_M_n\00", section "llvm.metadata" ; <[5 x i8]*>:7 [#uses=1]
@llvm.dbg.derivedtype1552 = internal constant %llvm.dbg.derivedtype.type { i32 458765, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i8* getelementptr ([5 x i8]* @7, i32 0, i32 0), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*), i32 232, i64 32, i64 32, i64 0, i32 0, %0* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype103 to %0*) }, section "llvm.metadata" ; <%llvm.dbg.derivedtype.type*> [#uses=1]
@llvm.dbg.array1553 = internal constant [1 x %0*] [%0* bitcast (%llvm.dbg.derivedtype.type* @llvm.dbg.derivedtype1552 to %0*)], section "llvm.metadata" ; <[1 x %0*]*> [#uses=1]
@llvm.dbg.composite1554 = internal constant %llvm.dbg.composite.type { i32 458771, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to %0*), i8* getelementptr ([6 x i8]* @6, i32 0, i32 0), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*), i32 232, i64 32, i64 32, i64 0, i32 0, %0* null, %0* bitcast ([1 x %0*]* @llvm.dbg.array1553 to %0*), i32 0 }, section "llvm.metadata" ; <%llvm.dbg.composite.type*> [#uses=1]
@llvm.dbg.array1555 = internal constant [2 x %0*] [%0* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite1554 to %0*), %0* bitcast (%llvm.dbg.basictype.type* @llvm.dbg.basictype103 to %0*)], section "llvm.metadata" ; <[2 x %0*]*> [#uses=1]
@llvm.dbg.composite1556 = 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.array1555 to %0*), i32 0 }, section "llvm.metadata" ; <%llvm.dbg.composite.type*> [#uses=1]
internal constant [5 x i8] c"setw\00", section "llvm.metadata" ; <[5 x i8]*>:8 [#uses=2]
internal constant [11 x i8] c"_ZSt4setwi\00", section "llvm.metadata" ; <[11 x i8]*>:9 [#uses=1]
@llvm.dbg.subprogram1559 = 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 ([5 x i8]* @8, i32 0, i32 0), i8* getelementptr ([5 x i8]* @8, i32 0, i32 0), i8* getelementptr ([11 x i8]* @9, i32 0, i32 0), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*), i32 242, %0* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite1556 to %0*), i1 false, i1 true }, section "llvm.metadata" ; <%llvm.dbg.subprogram.type*> [#uses=1]
internal constant [4 x i8] c"__x\00", section "llvm.metadata" ; <[4 x i8]*>:10 [#uses=1]
@llvm.dbg.variable1563 = internal constant %llvm.dbg.variable.type { i32 459008, %0* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram1559 to %0*), i8* getelementptr ([4 x i8]* @10, i32 0, i32 0), %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*), i32 244, %0* bitcast (%llvm.dbg.composite.type* @llvm.dbg.composite1554 to %0*) }, section "llvm.metadata" ; <%llvm.dbg.variable.type*> [#uses=1]
define linkonce i32 @_ZSt4setwi(i32) nounwind {
%2 = alloca %22 ; <%22*> [#uses=2]
%3 = alloca %22 ; <%22*> [#uses=3]
%4 = alloca %22 ; <%22*> [#uses=2]
%5 = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.func.start(%0* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram1559 to %0*))
%6 = bitcast %22* %3 to %0* ; <%0*> [#uses=1]
call void @llvm.dbg.declare(%0* %6, %0* bitcast (%llvm.dbg.variable.type* @llvm.dbg.variable1563 to %0*))
call void @llvm.dbg.stoppoint(i32 245, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*))
%7 = getelementptr %22* %3, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 %0, i32* %7, align 4
call void @llvm.dbg.stoppoint(i32 246, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*))
%8 = getelementptr %22* %4, i32 0, i32 0 ; <i32*> [#uses=1]
%9 = getelementptr %22* %3, i32 0, i32 0 ; <i32*> [#uses=1]
%10 = load i32* %9, align 4 ; <i32> [#uses=1]
store i32 %10, i32* %8, align 4
%11 = getelementptr %22* %2, i32 0, i32 0 ; <i32*> [#uses=1]
%12 = getelementptr %22* %4, i32 0, i32 0 ; <i32*> [#uses=1]
%13 = load i32* %12, align 4 ; <i32> [#uses=1]
store i32 %13, i32* %11, align 4
%14 = bitcast %22* %2 to i32* ; <i32*> [#uses=1]
%15 = load i32* %14 ; <i32> [#uses=1]
call void @llvm.dbg.stoppoint(i32 246, i32 0, %0* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit1548 to %0*))
call void @llvm.dbg.region.end(%0* bitcast (%llvm.dbg.subprogram.type* @llvm.dbg.subprogram1559 to %0*))
ret i32 %15
}
declare void @llvm.dbg.func.start(%0*) nounwind
declare void @llvm.dbg.declare(%0*, %0*) nounwind
declare void @llvm.dbg.stoppoint(i32, i32, %0*) nounwind
declare void @llvm.dbg.region.end(%0*) nounwind