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IR: Initialize DerefOrNullBytes in the AttrBuilder constructors

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MSAN pointed out that this value is used uninitialized:

    http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/3678

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236686 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2015-05-07 00:56:34 +00:00
parent f64a0c1b3e
commit 0518652fc4
1 changed files with 7 additions and 3 deletions
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10
include/llvm/IR/Attributes.h
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@ -436,13 +436,17 @@ class AttrBuilder {
uint64_t DerefBytes;
uint64_t DerefOrNullBytes;
public:
AttrBuilder() : Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0) {}
AttrBuilder()
: Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0),
DerefOrNullBytes(0) {}
explicit AttrBuilder(uint64_t Val)
: Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0) {
: Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0),
DerefOrNullBytes(0) {
addRawValue(Val);
}
AttrBuilder(const Attribute &A)
: Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0) {
: Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0),
DerefOrNullBytes(0) {
addAttribute(A);
}
AttrBuilder(AttributeSet AS, unsigned Idx);