diff options
| author | Emilio Cobos Álvarez <emilio@crisal.io> | 2018-02-19 01:57:55 +0100 |
|---|---|---|
| committer | Emilio Cobos Álvarez <emilio@crisal.io> | 2018-03-25 03:30:05 +0200 |
| commit | 99127abca8c9678e14ee11bee4d46bc34ec8b164 (patch) | |
| tree | 66c1eda706f6a499d09b66616333387046ac18c4 | |
| parent | 324ca7acd59be59abe0562287d5493f78a60823a (diff) | |
| download | rust-99127abca8c9678e14ee11bee4d46bc34ec8b164.tar.gz rust-99127abca8c9678e14ee11bee4d46bc34ec8b164.zip | |
rustc_trans: disable probestack when using pgo-gen.
Executables crash in the probestack function otherwise... I haven't debugged much further than that. Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
| -rw-r--r-- | src/librustc_trans/attributes.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/librustc_trans/attributes.rs b/src/librustc_trans/attributes.rs index df78ccdd229..f53c1e84f6e 100644 --- a/src/librustc_trans/attributes.rs +++ b/src/librustc_trans/attributes.rs @@ -92,6 +92,11 @@ pub fn set_probestack(cx: &CodegenCx, llfn: ValueRef) { _ => {} } + // probestack doesn't play nice either with pgo-gen. + if cx.sess().opts.cg.pgo_gen.is_some() { + return; + } + // Flag our internal `__rust_probestack` function as the stack probe symbol. // This is defined in the `compiler-builtins` crate for each architecture. llvm::AddFunctionAttrStringValue( |