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LowerTypeTests: Change a few vtable globals in tests to constants.

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It turns out that some of our negative tests were not in fact providing the
test coverage we expected: they were passing because the vtables were failing
an early check that they were constant. Fix this by changing the globals in
these tests to constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294550 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2017-02-09 01:48:24 +00:00
parent 3a124c0e3d
commit 5a50fd8010
7 changed files with 14 additions and 14 deletions
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4
test/Transforms/WholeProgramDevirt/bad-read-from-vtable.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [2 x i8*] [i8* zeroinitializer, i8* bitcast (void (i8*)* @vf to i8*)], !type !0
@vt2 = global i8* bitcast (void (i8*)* @vf to i8*), !type !1
@vt1 = constant [2 x i8*] [i8* zeroinitializer, i8* bitcast (void (i8*)* @vf to i8*)], !type !0
@vt2 = constant i8* bitcast (void (i8*)* @vf to i8*), !type !1
define void @vf(i8* %this) {
ret void

4
test/Transforms/WholeProgramDevirt/vcp-accesses-memory.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0
@vt2 = global [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0
@vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0
define i32 @vf1(i8* %this, i32 %arg) {
ret i32 %arg

4
test/Transforms/WholeProgramDevirt/vcp-no-this.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [1 x i8*] [i8* bitcast (i32 ()* @vf1 to i8*)], !type !0
@vt2 = global [1 x i8*] [i8* bitcast (i32 ()* @vf2 to i8*)], !type !0
@vt1 = constant [1 x i8*] [i8* bitcast (i32 ()* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 ()* @vf2 to i8*)], !type !0
define i32 @vf1() readnone {
ret i32 1

4
test/Transforms/WholeProgramDevirt/vcp-non-constant-arg.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0
@vt2 = global [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0
@vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0
define i32 @vf1(i8* %this, i32 %arg) readnone {
ret i32 %arg

4
test/Transforms/WholeProgramDevirt/vcp-too-wide-ints.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [1 x i8*] [i8* bitcast (i128 (i8*, i128)* @vf1 to i8*)], !type !0
@vt2 = global [1 x i8*] [i8* bitcast (i128 (i8*, i128)* @vf2 to i8*)], !type !0
@vt1 = constant [1 x i8*] [i8* bitcast (i128 (i8*, i128)* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i128 (i8*, i128)* @vf2 to i8*)], !type !0
define i128 @vf1(i8* %this, i128 %arg) readnone {
ret i128 %arg

4
test/Transforms/WholeProgramDevirt/vcp-type-mismatch.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0
@vt2 = global [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0
@vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0
define i32 @vf1(i8* %this, i32 %arg) readnone {
ret i32 %arg

4
test/Transforms/WholeProgramDevirt/vcp-uses-this.ll
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@ -3,8 +3,8 @@
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = global [1 x i8*] [i8* bitcast (i32 (i8*)* @vf1 to i8*)], !type !0
@vt2 = global [1 x i8*] [i8* bitcast (i32 (i8*)* @vf2 to i8*)], !type !0
@vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf2 to i8*)], !type !0
define i32 @vf1(i8* %this) readnone {
%this_int = ptrtoint i8* %this to i32