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llvm-mirror/test/Transforms/Inline/devirtualize.ll
David Blaikie 3ea2df7c7b [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 
Similar to gep (r230786) and load (r230794) changes.

Similar migration script can be used to update test cases, which
successfully migrated all of LLVM and Polly, but about 4 test cases
needed manually changes in Clang.

(this script will read the contents of stdin and massage it into stdout
- wrap it in the 'apply.sh' script shown in previous commits + xargs to
apply it over a large set of test cases)

import fileinput
import sys
import re

rep = re.compile(r"(getelementptr(?:\s+inbounds)?\s*\()((<\d*\s+x\s+)?([^@]*?)(|\s*addrspace\(\d+\))\s*\*(?(3)>)\s*)(?=$|%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|zeroinitializer|<|\[\[[a-zA-Z]|\{\{)", re.MULTILINE | re.DOTALL)

def conv(match):
  line = match.group(1)
  line += match.group(4)
  line += ", "
  line += match.group(2)
  return line

line = sys.stdin.read()
off = 0
for match in re.finditer(rep, line):
  sys.stdout.write(line[off:match.start()])
  sys.stdout.write(conv(match))
  off = match.end()
sys.stdout.write(line[off:])

llvm-svn: 232184
2015-03-13 18:20:45 +00:00

183 lines
8.7 KiB
LLVM
Raw Blame History

; 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 ()*, 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*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [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*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1B, i32 0, i32 0) } ; <%0*> [#uses=1]
@_ZTI1C = linkonce_odr constant %1 { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv121__vmi_class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [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*, i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [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, 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*)**, i32 (%struct.A*)*** %4 ; <i32 (%struct.A*)**> [#uses=1]
%vfn = getelementptr inbounds i32 (%struct.A*)*, i32 (%struct.A*)** %5, i64 0 ; <i32 (%struct.A*)**> [#uses=1]
%6 = load i32 (%struct.A*)*, 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, 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, i8* %0, i64 0 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*], [6 x i8*]* @_ZTV1D, i64 0, i64 2), i8*** %2
%3 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%4 = getelementptr inbounds i8, i8* %3, i64 8 ; <i8*> [#uses=1]
%5 = bitcast i8* %4 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*], [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, 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, i8* %4, i64 0 ; <i8*> [#uses=1]
%6 = bitcast i8* %5 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*], [6 x i8*]* @_ZTV1C, i64 0, i64 2), i8*** %6
%7 = bitcast %struct.C* %this to i8* ; <i8*> [#uses=1]
%8 = getelementptr inbounds i8, i8* %7, i64 8 ; <i8*> [#uses=1]
%9 = bitcast i8* %8 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([6 x i8*], [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, 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, i8* %0, i64 0 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([3 x i8*], [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, i8* %0, i64 0 ; <i8*> [#uses=1]
%2 = bitcast i8* %1 to i8*** ; <i8***> [#uses=1]
store i8** getelementptr inbounds ([3 x i8*], [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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