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Provide basic type safety for array_pod_sort comparators.

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This makes using array_pod_sort significantly safer. The implementation relies
on function pointer casting but that should be safe as we're dealing with void*
here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191175 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-09-22 14:09:50 +00:00
parent 7f80b75b96
commit 0d293e45b6
11 changed files with 38 additions and 42 deletions
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7
utils/TableGen/CodeGenRegisters.cpp
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@@ -813,9 +813,10 @@ static bool testSubClass(const CodeGenRegisterClass *A,
/// Register classes with the same registers, spill size, and alignment form a
/// clique. They will be ordered alphabetically.
///
static int TopoOrderRC(const void *PA, const void *PB) {
const CodeGenRegisterClass *A = *(const CodeGenRegisterClass* const*)PA;
const CodeGenRegisterClass *B = *(const CodeGenRegisterClass* const*)PB;
static int TopoOrderRC(CodeGenRegisterClass *const *PA,
CodeGenRegisterClass *const *PB) {
const CodeGenRegisterClass *A = *PA;
const CodeGenRegisterClass *B = *PB;
if (A == B)
return 0;