| # RUN: llc -mtriple=wasm32-unknown-unknown -run-pass wasm-explicit-locals %s -o - | FileCheck %s | |
| # When a drop instruction is inserted to drop a dead register operand, the | |
| # original operand should be marked not dead anymore because it is now used by | |
| # the new drop instruction. And the operand to the new drop instruction should | |
| # be marked killed instead. | |
| --- | |
| name: drop_test | |
| liveins: | |
| - { reg: '$arguments' } | |
| tracksRegLiveness: true | |
| body: | | |
| bb.0: | |
| successors: %bb.1 | |
| liveins: $arguments | |
| bb.1: | |
| ; predecessors: %bb.0 | |
| ; CHECK-NOT: dead %{{[0-9]+}} | |
| ; CHECK: DROP_I32 killed %{{[0-9]+}} | |
| dead %0:i32 = CONST_I32 0, implicit-def dead $arguments, implicit $sp32, implicit $sp64 | |
| RETURN_VOID implicit-def dead $arguments | |
| ... |