1# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s 2# This test ensures that an error is reported when an unknown register is 3# encountered. 4 5--- | 6 7 define i32 @foo() { 8 entry: 9 ret i32 0 10 } 11 12... 13--- 14name: foo 15body: | 16 bb.0.entry: 17 ; CHECK: [[@LINE+1]]:5: unknown register name 'xax' 18 %xax = MOV32r0 19 RETQ %xax 20... 21