Index: lib/Target/X86/X86ISelLowering.cpp =================================================================== --- lib/Target/X86/X86ISelLowering.cpp +++ lib/Target/X86/X86ISelLowering.cpp @@ -469,7 +469,7 @@ setOperationAction(ISD::EH_LABEL, MVT::Other, Expand); } - if (Subtarget->is64Bit()) { + if (Subtarget->isTarget64BitLP64()) { setExceptionPointerRegister(X86::RAX); setExceptionSelectorRegister(X86::RDX); } else { Index: test/CodeGen/X86/x32-landingpad.ll =================================================================== --- /dev/null +++ test/CodeGen/X86/x32-landingpad.ll @@ -0,0 +1,25 @@ +; RUN: llc < %s -mtriple=x86_64-none-none-gnux32 -mcpu=generic | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-none-none-gnux32 -mcpu=generic -fast-isel | FileCheck %s +; +; Ensures that landingpad instructions in x32 use the right Exception Pointer +; and Exception Selector registers. + +declare void @foo() +declare void @bar(i8*, i32) noreturn +declare i32 @__gxx_personality_v0(...) + +define void @test1() uwtable personality i32 (...)* @__gxx_personality_v0 { +entry: + invoke void @foo() to label %done unwind label %lpad +done: + ret void +lpad: + %0 = landingpad { i8*, i32 } cleanup +; The Excception Pointer is %eax; the Exception Selector, %edx. +; CHECK: movl %eax, {{.*}} +; CHECK: movl %edx, {{.*}} + %1 = extractvalue { i8*, i32 } %0, 0 + %2 = extractvalue { i8*, i32 } %0, 1 + call void @bar(i8* %1, i32 %2) + unreachable +}