1; RUN: llc < %s 2; 3; This test would crash because isel creates a GPR register for the return 4; value from f1. The register is only used by tBLXr_r9 which accepts a full GPR 5; register, but we cannot have live GPRs in thumb mode because we don't know how 6; to spill them. 7; 8; <rdar://problem/9624323> 9target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32" 10target triple = "thumbv6-apple-darwin10" 11 12%0 = type opaque 13 14declare ptr @f1(ptr, ptr) optsize 15declare ptr @f2(ptr, ptr, ...) 16 17define internal void @f(ptr %self, ptr %_cmd, ptr %inObjects, ptr %inIndexes) optsize ssp { 18entry: 19 %call14 = tail call ptr (ptr, ptr) @f1(ptr undef, ptr %_cmd) optsize 20 tail call void %call14(ptr %self, ptr %_cmd, ptr %inObjects, ptr %inIndexes) optsize 21 tail call void @f2(ptr %self, ptr undef, i32 2, ptr %inIndexes, ptr undef) optsize 22 ret void 23} 24