| # RUN: llc -run-pass=xray-instrumentation -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s | |
| # | |
| # Make sure we can handle empty first basic blocks. | |
| --- | | |
| define i32 @foo() noinline uwtable "xray-instruction-threshold"="0" { | |
| entry: | |
| unreachable | |
| } | |
| ... | |
| --- | |
| name: foo | |
| tracksRegLiveness: true | |
| liveins: | |
| - { reg: '$edi'} | |
| body: | | |
| bb.0.entry: | |
| liveins: $edi | |
| ; CHECK-NOT: PATCHABLE_FUNCTION_ENTER | |
| ... |