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[DWARF] Simplify DWARFAddressRange::contains

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This transform is valid because the ranges have been validated (LowPC <= HighPC).

Differential Revision: https://reviews.llvm.org/D44772

llvm-svn: 328655
This commit is contained in:
Fangrui Song 2018-03-27 19:05:02 +00:00
parent 034a0ba182
commit a8a090c21a
1 changed files with 4 additions and 4 deletions
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8
include/llvm/DebugInfo/DWARF/DWARFAddressRange.h
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@ -36,17 +36,17 @@ struct DWARFAddressRange {
/// Returns true if [LowPC, HighPC) intersects with [RHS.LowPC, RHS.HighPC).
bool intersects(const DWARFAddressRange &RHS) const {
assert(valid() && RHS.valid());
// Empty ranges can't intersect.
if (LowPC == HighPC || RHS.LowPC == RHS.HighPC)
return false;
return (LowPC < RHS.HighPC) && (HighPC > RHS.LowPC);
return LowPC < RHS.HighPC && RHS.LowPC < HighPC;
}
/// Returns true if [LowPC, HighPC) fully contains [RHS.LowPC, RHS.HighPC).
bool contains(const DWARFAddressRange &RHS) const {
if (LowPC <= RHS.LowPC && RHS.LowPC <= HighPC)
return LowPC <= RHS.HighPC && RHS.HighPC <= HighPC;
return false;
assert(valid() && RHS.valid());
return LowPC <= RHS.LowPC && RHS.HighPC <= HighPC;
}
void dump(raw_ostream &OS, uint32_t AddressSize,