Index: lib/Transforms/Scalar/RewriteStatepointsForGC.cpp =================================================================== --- lib/Transforms/Scalar/RewriteStatepointsForGC.cpp +++ lib/Transforms/Scalar/RewriteStatepointsForGC.cpp @@ -1617,9 +1617,11 @@ LiveVec.reserve(LiveSet.size()); BaseVec.reserve(LiveSet.size()); for (Value *L : LiveSet) { + Value *Base = PointerToBase.find(L)->second; + if (isa(Base)) + continue; LiveVec.push_back(L); assert(PointerToBase.count(L)); - Value *Base = PointerToBase.find(L)->second; BaseVec.push_back(Base); } assert(LiveVec.size() == BaseVec.size()); Index: test/Transforms/RewriteStatepointsForGC/base-pointers-12.ll =================================================================== --- /dev/null +++ test/Transforms/RewriteStatepointsForGC/base-pointers-12.ll @@ -0,0 +1,19 @@ +; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s + +; CHECK: derived %select base %global + +@global = external addrspace(1) global i8 + +define i8 @test() gc "statepoint-example" { + %derived1 = getelementptr i8, i8 addrspace(1)* @global, i64 1 + %derived2 = getelementptr i8, i8 addrspace(1)* @global, i64 2 + %select = select i1 undef, i8 addrspace(1)* %derived1, i8 addrspace(1)* %derived2 + %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @extern, i32 0, i32 0, i32 0, i32 0) +; CHECK-NOT: relocate + %load = load i8, i8 addrspace(1)* %select + ret i8 %load +} + +declare void @extern() gc "statepoint-example" + +declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)