diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/CodeGen/WinEHPrepare.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/seh-filter.ll | 21 |
2 files changed, 27 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/WinEHPrepare.cpp b/llvm/lib/CodeGen/WinEHPrepare.cpp index a1da1aefd8f..b1eea7dbb07 100644 --- a/llvm/lib/CodeGen/WinEHPrepare.cpp +++ b/llvm/lib/CodeGen/WinEHPrepare.cpp @@ -1666,6 +1666,12 @@ void WinEHPrepare::mapLandingPadBlocks(LandingPadInst *LPad, while (HandlersFound != NumClauses) { BasicBlock *NextBB = nullptr; + // Skip over filter clauses. + if (LPad->isFilter(HandlersFound)) { + ++HandlersFound; + continue; + } + // See if the clause we're looking for is a catch-all. // If so, the catch begins immediately. Constant *ExpectedSelector = LPad->getClause(HandlersFound)->stripPointerCasts(); diff --git a/llvm/test/CodeGen/X86/seh-filter.ll b/llvm/test/CodeGen/X86/seh-filter.ll new file mode 100644 index 00000000000..6a3a23edb1a --- /dev/null +++ b/llvm/test/CodeGen/X86/seh-filter.ll @@ -0,0 +1,21 @@ +; RUN: llc -O0 -mtriple=x86_64-windows-msvc < %s | FileCheck %s + +declare void @g() +define void @f() { + invoke void @g() to label %return unwind label %lpad + +return: + ret void + +lpad: + %ehptrs = landingpad {i8*, i32} personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) + filter [0 x i8*] zeroinitializer + call void @__cxa_call_unexpected(i8* null) + unreachable +} +declare i32 @__C_specific_handler(...) +declare void @__cxa_call_unexpected(i8*) + +; We don't emit entries for filters. +; CHECK: .seh_handlerdata +; CHECK: .long 0 |
