1 # RUN: llc -mtriple=wasm32-unknown-unknown -run-pass wasm-explicit-locals %s -o - | FileCheck %s 2 3 # When a drop instruction is inserted to drop a dead register operand, the 4 # original operand should be marked not dead anymore because it is now used by 5 # the new drop instruction. And the operand to the new drop instruction should 6 # be marked killed instead. 7 --- 8 name: drop_test 9 liveins: 10 - { reg: '$arguments' } 11 tracksRegLiveness: true 12 body: | 13 bb.0: 14 successors: %bb.1 15 liveins: $arguments 16 17 bb.1: 18 ; predecessors: %bb.0 19 ; CHECK-NOT: dead %{{[0-9]+}} 20 ; CHECK: DROP_I32 killed %{{[0-9]+}} 21 dead %0:i32 = CONST_I32 0, implicit-def dead $arguments, implicit $sp32, implicit $sp64 22 RETURN_VOID implicit-def dead $arguments 23 ... 24
