Index: llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp =================================================================== --- llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp +++ llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -3021,7 +3021,7 @@ Instruction *Inst = &*--EndInst->getIterator(); if (!Inst->use_empty() && !Inst->getType()->isTokenTy()) Inst->replaceAllUsesWith(UndefValue::get(Inst->getType())); - if (Inst->isEHPad()) { + if (Inst->isEHPad() || Inst->getType()->isTokenTy()) { EndInst = Inst; continue; } @@ -3029,8 +3029,7 @@ ++NumDeadInst; MadeIRChange = true; } - if (!Inst->getType()->isTokenTy()) - Inst->eraseFromParent(); + Inst->eraseFromParent(); } } Index: llvm/trunk/test/Transforms/InstCombine/token.ll =================================================================== --- llvm/trunk/test/Transforms/InstCombine/token.ll +++ llvm/trunk/test/Transforms/InstCombine/token.ll @@ -85,5 +85,22 @@ ; CHECK: %Y = zext i8 %B to i32 ; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ] +declare void @foo() +declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) + +define void @test4(i8 addrspace(1)* %obj) gc "statepoint-example" { +bb: + unreachable + +unreachable: + call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) + ret void +} + +; CHECK-LABEL: define void @test4( +; CHECK: unreachable: +; CHECK: call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) +; CHECK: ret void + declare void @g(i32)