| # RUN: llc -mtriple=i686-- -run-pass machine-cp -verify-machineinstrs -o - %s | FileCheck %s |
| |
| |
| --- |
| # Test that machine copy propagation ignores DBG_VALUE and DBL_VALUE_LIST and updates it. |
| # CHECK-LABEL: name: foo |
| # CHECK: bb.0: |
| # CHECK-NEXT: $rax = MOV64ri 31 |
| # CHECK-NEXT: DBG_VALUE $rax |
| # CHECK-NEXT: DBG_VALUE_LIST 0, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 4, DW_OP_mul, DW_OP_plus, DW_OP_stack_value), $rax, 0, 0 |
| # CHECK-NEXT: RET64 implicit killed $rax |
| name: foo |
| body: | |
| bb.0: |
| renamable $rcx = MOV64ri 31 |
| DBG_VALUE $rcx, 0, 0, 0, 0 |
| DBG_VALUE_LIST 0, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 4, DW_OP_mul, DW_OP_plus, DW_OP_stack_value), $rcx, 0, 0 |
| $rax = COPY killed renamable $rcx |
| RET64 implicit killed $rax |
| ... |