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llvm-6502/test/Transforms/Inline/devirtualize.ll
Stephen Lin 39f4e8d9cc Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 
This update was done with the following bash script:

  find test/Transforms -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
      done
      mv $TEMP $NAME
    fi
  done


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00

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; RUN: opt -S -Os < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
; Simple devirt testcase, requires iteration between inliner and GVN.
; rdar://6295824
define i32 @foo(i32 ()** noalias %p, i64* noalias %q) nounwind ssp {
entry:
store i32 ()* @bar, i32 ()** %p
store i64 0, i64* %q
%tmp3 = load i32 ()** %p ; <i32 ()*> [#uses=1]
%call = call i32 %tmp3() ; <i32> [#uses=1]
%X = add i32 %call, 4
ret i32 %X
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: store
; CHECK-NEXT: store
; CHECK-NEXT: ret i32 11
}
define internal i32 @bar() nounwind ssp {
entry:
ret i32 7
}
;; More complex devirt case, from PR6724
; CHECK: @_Z1gv()
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 7
%0 = type { i8*, i8* }
%1 = type { i8*, i8*, i32, i32, i8*, i64, i8*, i64 }
%2 = type { i8*, i8*, i8* }
%struct.A = type { i8** }
%struct.B = type { i8** }
%struct.C = type { [16 x i8] }
%struct.D = type { [16 x i8] }
@_ZTV1D = linkonce_odr constant [6 x i8*] [i8* null, i8* bitcast (%2* @_ZTI1D to i8*), i8* bitcast (i32 (%struct.C*)* @_ZN1D1fEv to i8*), i8* inttoptr (i64 -8 to i8*), i8* bitcast (%2* @_ZTI1D to i8*), i8* bitcast (i32 (%struct.C*)* @_ZThn8_N1D1fEv to i8*)] ; <[6 x i8*]*> [#uses=2]
@_ZTVN10__cxxabiv120__si_class_type_infoE = external global i8* ; <i8**> [#uses=1]
@_ZTS1D = linkonce_odr constant [3 x i8] c"1D\00" ; <[3 x i8]*> [#uses=1]
@_ZTVN10__cxxabiv121__vmi_class_type_infoE = external global i8* ; <i8**> [#uses=1]
@_ZTS1C = linkonce_odr constant [3 x i8] c"1C\00" ; <[3 x i8]*> [#uses=1]
@_ZTVN10__cxxabiv117__class_type_infoE = external global i8* ; <i8**> [#uses=1]
@_ZTS1A = linkonce_odr constant [3 x i8] c"1A\00" ; <[3 x i8]*> [#uses=1]
@_ZTI1A = linkonce_odr constant %0 { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1A, i32 0, i32 0) } ; <%0*> [#uses=1]
@_ZTS1B = linkonce_odr constant [3 x i8] c"1B\00" ; <[3 x i8]*> [#uses=1]
@_ZTI1B = linkonce_odr constant %0 { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1B, i32 0, i32 0) } ; <%0*> [#uses=1]
@_ZTI1C = linkonce_odr constant %1 { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv121__vmi_class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1C, i32 0, i32 0), i32 0, i32 2, i8* bitcast (%0* @_ZTI1A to i8*), i64 2, i8* bitcast (%0* @_ZTI1B to i8*), i64 2050 } ; <%1*> [#uses=1]
@_ZTI1D = linkonce_odr constant %2 { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1D, i32 0, i32 0), i8* bitcast (%1* @_ZTI1C to i8*) } ; <%2*> [#uses=1]
@_ZTV1C = linkonce_odr constant [6 x i8*] [i8* null, i8* bitcast (%1* @_ZTI1C to i8*), i8* bitcast (i32 (%struct.C*)* @_ZN1C1fEv to i8*), i8* inttoptr (i64 -8 to i8*), i8* bitcast (%1* @_ZTI1C to i8*), i8* bitcast (i32 (%struct.C*)* @_ZThn8_N1C1fEv to i8*)] ; <[6 x i8*]*> [#uses=2]
@_ZTV1B = linkonce_odr constant [3 x i8*] [i8* null, i8* bitcast (%0* @_ZTI1B to i8*), i8* bitcast (i32 (%struct.A*)* @_ZN1B1fEv to i8*)] ; <[3 x i8*]*> [#uses=1]
@_ZTV1A = linkonce_odr constant [3 x i8*] [i8* null, i8* bitcast (%0* @_ZTI1A to i8*), i8* bitcast (i32 (%struct.A*)* @_ZN1A1fEv to i8*)] ; <[3 x i8*]*> [#uses=1]
define i32 @_Z1gv() ssp {
entry:
%d = alloca %struct.C, align 8 ; <%struct.C*> [#uses=2]
call void @_ZN1DC1Ev(%struct.C* %d)
%call = call i32 @_Z1fP1D(%struct.C* %d) ; <i32> [#uses=1]
%X = add i32 %call, 3
ret i32 %X
}
define linkonce_odr void @_ZN1DC1Ev(%struct.C* %this) inlinehint ssp align 2 {
entry:
call void @_ZN1DC2Ev(%struct.C* %this)
ret void
}
define internal i32 @_Z1fP1D(%struct.C* %d) ssp {
entry:
%0 = icmp eq %struct.C* %d, null ; <i1> [#uses=1]
br i1 %0, label %cast.end, label %cast.notnull
cast.notnull: ; preds = %entry
%1 = bitcast %struct.C* %d to i8* ; <i8*> [#uses=1]
%add.ptr = getelementptr i8* %1, i64 8 ; <i8*> [#uses=1]
%2 = bitcast i8* %add.ptr to %struct.A* ; <%struct.A*> [#uses=1]
br label %cast.end
cast.end: ; preds = %entry, %cast.notnull
%3 = phi %struct.A* [ %2, %cast.notnull ], [ null, %entry ] ; <%struct.A*> [#uses=2]
%4 = bitcast %struct.A* %3 to i32 (%struct.A*)*** ; <i32 (%struct.A*)***> [#uses=1]
%5 = load i32 (%struct.A*)*** %4 ; <i32 (%struct.A*)**> [#uses=1]
%vfn = getelementptr inbounds i32 (%struct.A*)** %5, i64 0 ; <i32 (%struct.A*)**> [#uses=1]
%6 = load i32 (%struct.A*)** %vfn ; <i32 (%struct.A*)*> [#uses=1]
%call = call i32 %6(%struct.A* %3) ; <i32> [#uses=1]
ret i32 %call
}
define linkonce_odr i32 @_ZN1D1fEv(%struct.C* %this) ssp align 2 {
entry:
ret i32 4
}
define linkonce_odr i32 @_ZThn8_N1D1fEv(%struct.C* %this) {
entry:
%0 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%1 = getelementptr inbounds i8* %0, i64 -8 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to %struct.C* ; <%struct.C*> [#uses=1]
%call = call i32 @_ZN1D1fEv(%struct.C* %2) ; <i32> [#uses=1]
ret i32 %call
}
define linkonce_odr void @_ZN1DC2Ev(%struct.C* %this) inlinehint ssp align 2 {
entry:
call void @_ZN1CC2Ev(%struct.C* %this)
%0 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%1 = getelementptr inbounds i8* %0, i64 0 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*]* @_ZTV1D, i64 0, i64 2), i8*** %2
%3 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%4 = getelementptr inbounds i8* %3, i64 8 ; <i8*> [#uses=1]
%5 = bitcast i8* %4 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*]* @_ZTV1D, i64 0, i64 5), i8*** %5
ret void
}
define linkonce_odr void @_ZN1CC2Ev(%struct.C* %this) inlinehint ssp align 2 {
entry:
%0 = bitcast %struct.C* %this to %struct.A* ; <%struct.A*> [#uses=1]
call void @_ZN1AC2Ev(%struct.A* %0)
%1 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%2 = getelementptr inbounds i8* %1, i64 8 ; <i8*> [#uses=1]
%3 = bitcast i8* %2 to %struct.A* ; <%struct.A*> [#uses=1]
call void @_ZN1BC2Ev(%struct.A* %3)
%4 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%5 = getelementptr inbounds i8* %4, i64 0 ; <i8*> [#uses=1]
%6 = bitcast i8* %5 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*]* @_ZTV1C, i64 0, i64 2), i8*** %6
%7 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%8 = getelementptr inbounds i8* %7, i64 8 ; <i8*> [#uses=1]
%9 = bitcast i8* %8 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*]* @_ZTV1C, i64 0, i64 5), i8*** %9
ret void
}
define linkonce_odr i32 @_ZN1C1fEv(%struct.C* %this) ssp align 2 {
entry:
ret i32 3
}
define linkonce_odr i32 @_ZThn8_N1C1fEv(%struct.C* %this) {
entry:
%0 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%1 = getelementptr inbounds i8* %0, i64 -8 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to %struct.C* ; <%struct.C*> [#uses=1]
%call = call i32 @_ZN1C1fEv(%struct.C* %2) ; <i32> [#uses=1]
ret i32 %call
}
define linkonce_odr void @_ZN1AC2Ev(%struct.A* %this) inlinehint ssp align 2 {
entry:
%0 = bitcast %struct.A* %this to i8* ; <i8*> [#uses=1]
%1 = getelementptr inbounds i8* %0, i64 0 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %2
ret void
}
define linkonce_odr void @_ZN1BC2Ev(%struct.A* %this) inlinehint ssp align 2 {
entry:
%0 = bitcast %struct.A* %this to i8* ; <i8*> [#uses=1]
%1 = getelementptr inbounds i8* %0, i64 0 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1B, i64 0, i64 2), i8*** %2
ret void
}
define linkonce_odr i32 @_ZN1B1fEv(%struct.A* %this) ssp align 2 {
entry:
ret i32 2
}
define linkonce_odr i32 @_ZN1A1fEv(%struct.A* %this) ssp align 2 {
entry:
ret i32 1
}
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